1f453ba04SDave Airlie /* 2f453ba04SDave Airlie * Copyright (c) 2006-2008 Intel Corporation 3f453ba04SDave Airlie * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> 4f453ba04SDave Airlie * Copyright (c) 2008 Red Hat Inc. 5f453ba04SDave Airlie * 6f453ba04SDave Airlie * DRM core CRTC related functions 7f453ba04SDave Airlie * 8f453ba04SDave Airlie * Permission to use, copy, modify, distribute, and sell this software and its 9f453ba04SDave Airlie * documentation for any purpose is hereby granted without fee, provided that 10f453ba04SDave Airlie * the above copyright notice appear in all copies and that both that copyright 11f453ba04SDave Airlie * notice and this permission notice appear in supporting documentation, and 12f453ba04SDave Airlie * that the name of the copyright holders not be used in advertising or 13f453ba04SDave Airlie * publicity pertaining to distribution of the software without specific, 14f453ba04SDave Airlie * written prior permission. The copyright holders make no representations 15f453ba04SDave Airlie * about the suitability of this software for any purpose. It is provided "as 16f453ba04SDave Airlie * is" without express or implied warranty. 17f453ba04SDave Airlie * 18f453ba04SDave Airlie * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 19f453ba04SDave Airlie * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 20f453ba04SDave Airlie * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 21f453ba04SDave Airlie * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 22f453ba04SDave Airlie * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 23f453ba04SDave Airlie * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 24f453ba04SDave Airlie * OF THIS SOFTWARE. 25f453ba04SDave Airlie * 26f453ba04SDave Airlie * Authors: 27f453ba04SDave Airlie * Keith Packard 28f453ba04SDave Airlie * Eric Anholt <eric@anholt.net> 29f453ba04SDave Airlie * Dave Airlie <airlied@linux.ie> 30f453ba04SDave Airlie * Jesse Barnes <jesse.barnes@intel.com> 31f453ba04SDave Airlie */ 326ba6d03eSVille Syrjälä #include <linux/ctype.h> 33f453ba04SDave Airlie #include <linux/list.h> 345a0e3ad6STejun Heo #include <linux/slab.h> 352d1a8a48SPaul Gortmaker #include <linux/export.h> 36760285e7SDavid Howells #include <drm/drmP.h> 37760285e7SDavid Howells #include <drm/drm_crtc.h> 38760285e7SDavid Howells #include <drm/drm_edid.h> 39760285e7SDavid Howells #include <drm/drm_fourcc.h> 4051fd371bSRob Clark #include <drm/drm_modeset_lock.h> 4188a48e29SRob Clark #include <drm/drm_atomic.h> 42f453ba04SDave Airlie 438bd441b2SDaniel Vetter #include "drm_crtc_internal.h" 4467d0ec4eSDaniel Vetter #include "drm_internal.h" 458bd441b2SDaniel Vetter 469a6f5130SChris Wilson static struct drm_framebuffer * 479a6f5130SChris Wilson internal_framebuffer_create(struct drm_device *dev, 481eb83451SVille Syrjälä const struct drm_mode_fb_cmd2 *r, 49c394c2b0SMatt Roper struct drm_file *file_priv); 50c394c2b0SMatt Roper 51f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 52f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 53d20d3174SVille Syrjälä const char *fnname(int val) \ 54f453ba04SDave Airlie { \ 55f453ba04SDave Airlie int i; \ 56f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 57f453ba04SDave Airlie if (list[i].type == val) \ 58f453ba04SDave Airlie return list[i].name; \ 59f453ba04SDave Airlie } \ 60f453ba04SDave Airlie return "(unknown)"; \ 61f453ba04SDave Airlie } 62f453ba04SDave Airlie 63f453ba04SDave Airlie /* 64f453ba04SDave Airlie * Global properties 65f453ba04SDave Airlie */ 664dfd909fSThierry Reding static const struct drm_prop_enum_list drm_dpms_enum_list[] = { 674dfd909fSThierry Reding { DRM_MODE_DPMS_ON, "On" }, 68f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 69f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 70f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 71f453ba04SDave Airlie }; 72f453ba04SDave Airlie 73f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 74f453ba04SDave Airlie 754dfd909fSThierry Reding static const struct drm_prop_enum_list drm_plane_type_enum_list[] = { 769922ab5aSRob Clark { DRM_PLANE_TYPE_OVERLAY, "Overlay" }, 779922ab5aSRob Clark { DRM_PLANE_TYPE_PRIMARY, "Primary" }, 789922ab5aSRob Clark { DRM_PLANE_TYPE_CURSOR, "Cursor" }, 799922ab5aSRob Clark }; 809922ab5aSRob Clark 81f453ba04SDave Airlie /* 82f453ba04SDave Airlie * Optional properties 83f453ba04SDave Airlie */ 844dfd909fSThierry Reding static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = { 8553bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 8653bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 8753bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 8853bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 89f453ba04SDave Airlie }; 90f453ba04SDave Airlie 91ff587e45SVandana Kannan static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = { 92ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" }, 93ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_4_3, "4:3" }, 94ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" }, 95ff587e45SVandana Kannan }; 96ff587e45SVandana Kannan 97f453ba04SDave Airlie /* 98f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 99f453ba04SDave Airlie */ 1004dfd909fSThierry Reding static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = { 101f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 102f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 103f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 104f453ba04SDave Airlie }; 105f453ba04SDave Airlie 106f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 107f453ba04SDave Airlie 1084dfd909fSThierry Reding static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = { 109f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 110f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 111f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 112f453ba04SDave Airlie }; 113f453ba04SDave Airlie 114f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 115f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 116f453ba04SDave Airlie 1174dfd909fSThierry Reding static const struct drm_prop_enum_list drm_tv_select_enum_list[] = { 118f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 119f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 120f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 121f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 122aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 123f453ba04SDave Airlie }; 124f453ba04SDave Airlie 125f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 126f453ba04SDave Airlie 1274dfd909fSThierry Reding static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = { 128f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 129f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 130f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 131f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 132aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 133f453ba04SDave Airlie }; 134f453ba04SDave Airlie 135f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 136f453ba04SDave Airlie drm_tv_subconnector_enum_list) 137f453ba04SDave Airlie 138d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 139884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 140884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 141884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 142884840aaSJakob Bornecrantz }; 143884840aaSJakob Bornecrantz 144f453ba04SDave Airlie struct drm_conn_prop_enum_list { 145f453ba04SDave Airlie int type; 146d20d3174SVille Syrjälä const char *name; 147b21e3afeSIlia Mirkin struct ida ida; 148f453ba04SDave Airlie }; 149f453ba04SDave Airlie 150f453ba04SDave Airlie /* 151f453ba04SDave Airlie * Connector and encoder types. 152f453ba04SDave Airlie */ 1534dfd909fSThierry Reding static struct drm_conn_prop_enum_list drm_connector_enum_list[] = { 1544dfd909fSThierry Reding { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, 155b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VGA, "VGA" }, 156b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, 157b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, 158b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, 159b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Composite, "Composite" }, 160b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" }, 161b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, 162b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Component, "Component" }, 163b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_9PinDIN, "DIN" }, 164b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, 165b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, 166b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, 167b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_TV, "TV" }, 168b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_eDP, "eDP" }, 169b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, 170b8923273SShobhit Kumar { DRM_MODE_CONNECTOR_DSI, "DSI" }, 171f453ba04SDave Airlie }; 172f453ba04SDave Airlie 1734dfd909fSThierry Reding static const struct drm_prop_enum_list drm_encoder_enum_list[] = { 1744dfd909fSThierry Reding { DRM_MODE_ENCODER_NONE, "None" }, 175f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 176f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 177f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 178f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 179a7331e5cSThomas Hellstrom { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, 180b8923273SShobhit Kumar { DRM_MODE_ENCODER_DSI, "DSI" }, 181182407a6SDave Airlie { DRM_MODE_ENCODER_DPMST, "DP MST" }, 182f453ba04SDave Airlie }; 183f453ba04SDave Airlie 1844dfd909fSThierry Reding static const struct drm_prop_enum_list drm_subpixel_enum_list[] = { 185ac1bb36cSJesse Barnes { SubPixelUnknown, "Unknown" }, 186ac1bb36cSJesse Barnes { SubPixelHorizontalRGB, "Horizontal RGB" }, 187ac1bb36cSJesse Barnes { SubPixelHorizontalBGR, "Horizontal BGR" }, 188ac1bb36cSJesse Barnes { SubPixelVerticalRGB, "Vertical RGB" }, 189ac1bb36cSJesse Barnes { SubPixelVerticalBGR, "Vertical BGR" }, 190ac1bb36cSJesse Barnes { SubPixelNone, "None" }, 191ac1bb36cSJesse Barnes }; 192ac1bb36cSJesse Barnes 193b21e3afeSIlia Mirkin void drm_connector_ida_init(void) 194b21e3afeSIlia Mirkin { 195b21e3afeSIlia Mirkin int i; 196b21e3afeSIlia Mirkin 197b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 198b21e3afeSIlia Mirkin ida_init(&drm_connector_enum_list[i].ida); 199b21e3afeSIlia Mirkin } 200b21e3afeSIlia Mirkin 201b21e3afeSIlia Mirkin void drm_connector_ida_destroy(void) 202b21e3afeSIlia Mirkin { 203b21e3afeSIlia Mirkin int i; 204b21e3afeSIlia Mirkin 205b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 206b21e3afeSIlia Mirkin ida_destroy(&drm_connector_enum_list[i].ida); 207b21e3afeSIlia Mirkin } 208b21e3afeSIlia Mirkin 209c8e32cc1SDaniel Vetter /** 210c8e32cc1SDaniel Vetter * drm_get_connector_status_name - return a string for connector status 211c8e32cc1SDaniel Vetter * @status: connector status to compute name of 212c8e32cc1SDaniel Vetter * 213c8e32cc1SDaniel Vetter * In contrast to the other drm_get_*_name functions this one here returns a 214c8e32cc1SDaniel Vetter * const pointer and hence is threadsafe. 215c8e32cc1SDaniel Vetter */ 216d20d3174SVille Syrjälä const char *drm_get_connector_status_name(enum drm_connector_status status) 217f453ba04SDave Airlie { 218f453ba04SDave Airlie if (status == connector_status_connected) 219f453ba04SDave Airlie return "connected"; 220f453ba04SDave Airlie else if (status == connector_status_disconnected) 221f453ba04SDave Airlie return "disconnected"; 222f453ba04SDave Airlie else 223f453ba04SDave Airlie return "unknown"; 224f453ba04SDave Airlie } 225ed7951dcSLespiau, Damien EXPORT_SYMBOL(drm_get_connector_status_name); 226f453ba04SDave Airlie 227ac1bb36cSJesse Barnes /** 228ac1bb36cSJesse Barnes * drm_get_subpixel_order_name - return a string for a given subpixel enum 229ac1bb36cSJesse Barnes * @order: enum of subpixel_order 230ac1bb36cSJesse Barnes * 231ac1bb36cSJesse Barnes * Note you could abuse this and return something out of bounds, but that 232ac1bb36cSJesse Barnes * would be a caller error. No unscrubbed user data should make it here. 233ac1bb36cSJesse Barnes */ 234ac1bb36cSJesse Barnes const char *drm_get_subpixel_order_name(enum subpixel_order order) 235ac1bb36cSJesse Barnes { 236ac1bb36cSJesse Barnes return drm_subpixel_enum_list[order].name; 237ac1bb36cSJesse Barnes } 238ac1bb36cSJesse Barnes EXPORT_SYMBOL(drm_get_subpixel_order_name); 239ac1bb36cSJesse Barnes 2406ba6d03eSVille Syrjälä static char printable_char(int c) 2416ba6d03eSVille Syrjälä { 2426ba6d03eSVille Syrjälä return isascii(c) && isprint(c) ? c : '?'; 2436ba6d03eSVille Syrjälä } 2446ba6d03eSVille Syrjälä 245c8e32cc1SDaniel Vetter /** 246c8e32cc1SDaniel Vetter * drm_get_format_name - return a string for drm fourcc format 247c8e32cc1SDaniel Vetter * @format: format to compute name of 248c8e32cc1SDaniel Vetter * 249c8e32cc1SDaniel Vetter * Note that the buffer used by this function is globally shared and owned by 250c8e32cc1SDaniel Vetter * the function itself. 251c8e32cc1SDaniel Vetter * 252c8e32cc1SDaniel Vetter * FIXME: This isn't really multithreading safe. 253c8e32cc1SDaniel Vetter */ 254d20d3174SVille Syrjälä const char *drm_get_format_name(uint32_t format) 2556ba6d03eSVille Syrjälä { 2566ba6d03eSVille Syrjälä static char buf[32]; 2576ba6d03eSVille Syrjälä 2586ba6d03eSVille Syrjälä snprintf(buf, sizeof(buf), 2596ba6d03eSVille Syrjälä "%c%c%c%c %s-endian (0x%08x)", 2606ba6d03eSVille Syrjälä printable_char(format & 0xff), 2616ba6d03eSVille Syrjälä printable_char((format >> 8) & 0xff), 2626ba6d03eSVille Syrjälä printable_char((format >> 16) & 0xff), 2636ba6d03eSVille Syrjälä printable_char((format >> 24) & 0x7f), 2646ba6d03eSVille Syrjälä format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", 2656ba6d03eSVille Syrjälä format); 2666ba6d03eSVille Syrjälä 2676ba6d03eSVille Syrjälä return buf; 2686ba6d03eSVille Syrjälä } 2696ba6d03eSVille Syrjälä EXPORT_SYMBOL(drm_get_format_name); 2706ba6d03eSVille Syrjälä 2712ee39452SDave Airlie /* 2722ee39452SDave Airlie * Internal function to assign a slot in the object idr and optionally 2732ee39452SDave Airlie * register the object into the idr. 2742ee39452SDave Airlie */ 2752ee39452SDave Airlie static int drm_mode_object_get_reg(struct drm_device *dev, 2762ee39452SDave Airlie struct drm_mode_object *obj, 2772ee39452SDave Airlie uint32_t obj_type, 278d0f37cf6SDave Airlie bool register_obj, 279d0f37cf6SDave Airlie void (*obj_free_cb)(struct kref *kref)) 2802ee39452SDave Airlie { 2812ee39452SDave Airlie int ret; 2822ee39452SDave Airlie 2832ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 2842ee39452SDave Airlie ret = idr_alloc(&dev->mode_config.crtc_idr, register_obj ? obj : NULL, 1, 0, GFP_KERNEL); 2852ee39452SDave Airlie if (ret >= 0) { 2862ee39452SDave Airlie /* 2872ee39452SDave Airlie * Set up the object linking under the protection of the idr 2882ee39452SDave Airlie * lock so that other users can't see inconsistent state. 2892ee39452SDave Airlie */ 2902ee39452SDave Airlie obj->id = ret; 2912ee39452SDave Airlie obj->type = obj_type; 292d0f37cf6SDave Airlie if (obj_free_cb) { 293d0f37cf6SDave Airlie obj->free_cb = obj_free_cb; 294d0f37cf6SDave Airlie kref_init(&obj->refcount); 295d0f37cf6SDave Airlie } 2962ee39452SDave Airlie } 2972ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 2982ee39452SDave Airlie 2992ee39452SDave Airlie return ret < 0 ? ret : 0; 3002ee39452SDave Airlie } 3012ee39452SDave Airlie 302f453ba04SDave Airlie /** 303065a50edSDaniel Vetter * drm_mode_object_get - allocate a new modeset identifier 304f453ba04SDave Airlie * @dev: DRM device 305065a50edSDaniel Vetter * @obj: object pointer, used to generate unique ID 306065a50edSDaniel Vetter * @obj_type: object type 307f453ba04SDave Airlie * 308f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 309c8e32cc1SDaniel Vetter * for tracking modes, CRTCs and connectors. Note that despite the _get postfix 310c8e32cc1SDaniel Vetter * modeset identifiers are _not_ reference counted. Hence don't use this for 311c8e32cc1SDaniel Vetter * reference counted modeset objects like framebuffers. 312f453ba04SDave Airlie * 313c8e32cc1SDaniel Vetter * Returns: 3143c67d839SLukas Wunner * Zero on success, error code on failure. 315f453ba04SDave Airlie */ 3168bd441b2SDaniel Vetter int drm_mode_object_get(struct drm_device *dev, 317f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 318f453ba04SDave Airlie { 319d0f37cf6SDave Airlie return drm_mode_object_get_reg(dev, obj, obj_type, true, NULL); 3204b096ac1SDaniel Vetter } 3214b096ac1SDaniel Vetter 3222ee39452SDave Airlie static void drm_mode_object_register(struct drm_device *dev, 3232ee39452SDave Airlie struct drm_mode_object *obj) 3242ee39452SDave Airlie { 3252ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 3262ee39452SDave Airlie idr_replace(&dev->mode_config.crtc_idr, obj, obj->id); 3272ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 328f453ba04SDave Airlie } 329f453ba04SDave Airlie 330f453ba04SDave Airlie /** 3317c8f6d25SDave Airlie * drm_mode_object_unregister - free a modeset identifer 332f453ba04SDave Airlie * @dev: DRM device 333065a50edSDaniel Vetter * @object: object to free 334f453ba04SDave Airlie * 3357c8f6d25SDave Airlie * Free @id from @dev's unique identifier pool. 3367c8f6d25SDave Airlie * This function can be called multiple times, and guards against 3377c8f6d25SDave Airlie * multiple removals. 3387c8f6d25SDave Airlie * These modeset identifiers are _not_ reference counted. Hence don't use this 339c8e32cc1SDaniel Vetter * for reference counted modeset objects like framebuffers. 340f453ba04SDave Airlie */ 3417c8f6d25SDave Airlie void drm_mode_object_unregister(struct drm_device *dev, 342f453ba04SDave Airlie struct drm_mode_object *object) 343f453ba04SDave Airlie { 344ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 3457c8f6d25SDave Airlie if (object->id) { 346f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 3477c8f6d25SDave Airlie object->id = 0; 3487c8f6d25SDave Airlie } 349ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 350f453ba04SDave Airlie } 351f453ba04SDave Airlie 35298f75de4SRob Clark static struct drm_mode_object *_object_find(struct drm_device *dev, 35398f75de4SRob Clark uint32_t id, uint32_t type) 35498f75de4SRob Clark { 35598f75de4SRob Clark struct drm_mode_object *obj = NULL; 35698f75de4SRob Clark 35798f75de4SRob Clark mutex_lock(&dev->mode_config.idr_mutex); 35898f75de4SRob Clark obj = idr_find(&dev->mode_config.crtc_idr, id); 359168c02ecSDaniel Vetter if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type) 360168c02ecSDaniel Vetter obj = NULL; 361168c02ecSDaniel Vetter if (obj && obj->id != id) 362168c02ecSDaniel Vetter obj = NULL; 363168c02ecSDaniel Vetter /* don't leak out unref'd fb's */ 3646bcacf51SDaniel Stone if (obj && 365cee26ac4SDave Airlie obj->type == DRM_MODE_OBJECT_BLOB) 36698f75de4SRob Clark obj = NULL; 36772fe90b8SDave Airlie 36872fe90b8SDave Airlie if (obj && obj->free_cb) { 36972fe90b8SDave Airlie if (!kref_get_unless_zero(&obj->refcount)) 37072fe90b8SDave Airlie obj = NULL; 37172fe90b8SDave Airlie } 37298f75de4SRob Clark mutex_unlock(&dev->mode_config.idr_mutex); 37398f75de4SRob Clark 37498f75de4SRob Clark return obj; 37598f75de4SRob Clark } 37698f75de4SRob Clark 377786b99edSDaniel Vetter /** 378786b99edSDaniel Vetter * drm_mode_object_find - look up a drm object with static lifetime 379786b99edSDaniel Vetter * @dev: drm device 380786b99edSDaniel Vetter * @id: id of the mode object 381786b99edSDaniel Vetter * @type: type of the mode object 382786b99edSDaniel Vetter * 383786b99edSDaniel Vetter * Note that framebuffers cannot be looked up with this functions - since those 38498f75de4SRob Clark * are reference counted, they need special treatment. Even with 38598f75de4SRob Clark * DRM_MODE_OBJECT_ANY (although that will simply return NULL 38698f75de4SRob Clark * rather than WARN_ON()). 387786b99edSDaniel Vetter */ 3887a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 3897a9c9060SDaniel Vetter uint32_t id, uint32_t type) 390f453ba04SDave Airlie { 391ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 392f453ba04SDave Airlie 393786b99edSDaniel Vetter /* Framebuffers are reference counted and need their own lookup 394786b99edSDaniel Vetter * function.*/ 3956bcacf51SDaniel Stone WARN_ON(type == DRM_MODE_OBJECT_FB || type == DRM_MODE_OBJECT_BLOB); 39698f75de4SRob Clark obj = _object_find(dev, id, type); 397f453ba04SDave Airlie return obj; 398f453ba04SDave Airlie } 399f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 400f453ba04SDave Airlie 401d0f37cf6SDave Airlie void drm_mode_object_unreference(struct drm_mode_object *obj) 402d0f37cf6SDave Airlie { 403d0f37cf6SDave Airlie if (obj->free_cb) { 404d0f37cf6SDave Airlie DRM_DEBUG("OBJ ID: %d (%d)\n", obj->id, atomic_read(&obj->refcount.refcount)); 405d0f37cf6SDave Airlie kref_put(&obj->refcount, obj->free_cb); 406d0f37cf6SDave Airlie } 407d0f37cf6SDave Airlie } 408d0f37cf6SDave Airlie EXPORT_SYMBOL(drm_mode_object_unreference); 409d0f37cf6SDave Airlie 410d0f37cf6SDave Airlie /** 411d0f37cf6SDave Airlie * drm_mode_object_reference - incr the fb refcnt 412d0f37cf6SDave Airlie * @obj: mode_object 413d0f37cf6SDave Airlie * 414d0f37cf6SDave Airlie * This function operates only on refcounted objects. 415d0f37cf6SDave Airlie * This functions increments the object's refcount. 416d0f37cf6SDave Airlie */ 417d0f37cf6SDave Airlie void drm_mode_object_reference(struct drm_mode_object *obj) 418d0f37cf6SDave Airlie { 419d0f37cf6SDave Airlie if (obj->free_cb) { 420d0f37cf6SDave Airlie DRM_DEBUG("OBJ ID: %d (%d)\n", obj->id, atomic_read(&obj->refcount.refcount)); 421d0f37cf6SDave Airlie kref_get(&obj->refcount); 422d0f37cf6SDave Airlie } 423d0f37cf6SDave Airlie } 424d0f37cf6SDave Airlie EXPORT_SYMBOL(drm_mode_object_reference); 425d0f37cf6SDave Airlie 426f55f1f91SDave Airlie static void drm_framebuffer_free(struct kref *kref) 427f55f1f91SDave Airlie { 428f55f1f91SDave Airlie struct drm_framebuffer *fb = 429d0f37cf6SDave Airlie container_of(kref, struct drm_framebuffer, base.refcount); 430f55f1f91SDave Airlie struct drm_device *dev = fb->dev; 431f55f1f91SDave Airlie 432f55f1f91SDave Airlie /* 433f55f1f91SDave Airlie * The lookup idr holds a weak reference, which has not necessarily been 434f55f1f91SDave Airlie * removed at this point. Check for that. 435f55f1f91SDave Airlie */ 436f55f1f91SDave Airlie mutex_lock(&dev->mode_config.fb_lock); 43719ab3f8bSDave Airlie drm_mode_object_unregister(dev, &fb->base); 438f55f1f91SDave Airlie mutex_unlock(&dev->mode_config.fb_lock); 439f55f1f91SDave Airlie 440f55f1f91SDave Airlie fb->funcs->destroy(fb); 441f55f1f91SDave Airlie } 442f55f1f91SDave Airlie 443f453ba04SDave Airlie /** 444f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 445f453ba04SDave Airlie * @dev: DRM device 446065a50edSDaniel Vetter * @fb: framebuffer to be initialized 447065a50edSDaniel Vetter * @funcs: ... with these functions 448f453ba04SDave Airlie * 449f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 450f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 451f453ba04SDave Airlie * 4524b096ac1SDaniel Vetter * IMPORTANT: 4534b096ac1SDaniel Vetter * This functions publishes the fb and makes it available for concurrent access 4544b096ac1SDaniel Vetter * by other users. Which means by this point the fb _must_ be fully set up - 4554b096ac1SDaniel Vetter * since all the fb attributes are invariant over its lifetime, no further 4564b096ac1SDaniel Vetter * locking but only correct reference counting is required. 4574b096ac1SDaniel Vetter * 458c8e32cc1SDaniel Vetter * Returns: 459af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 460f453ba04SDave Airlie */ 461f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 462f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 463f453ba04SDave Airlie { 464f453ba04SDave Airlie int ret; 465f453ba04SDave Airlie 4664b096ac1SDaniel Vetter INIT_LIST_HEAD(&fb->filp_head); 4674b096ac1SDaniel Vetter fb->dev = dev; 4684b096ac1SDaniel Vetter fb->funcs = funcs; 469f7eff60eSRob Clark 470d0f37cf6SDave Airlie ret = drm_mode_object_get_reg(dev, &fb->base, DRM_MODE_OBJECT_FB, 4719cd47424SDave Airlie false, drm_framebuffer_free); 4726bfc56aaSVille Syrjälä if (ret) 4734b096ac1SDaniel Vetter goto out; 474f453ba04SDave Airlie 4759cd47424SDave Airlie mutex_lock(&dev->mode_config.fb_lock); 476f453ba04SDave Airlie dev->mode_config.num_fb++; 477f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 478f453ba04SDave Airlie 4799cd47424SDave Airlie drm_mode_object_register(dev, &fb->base); 4809cd47424SDave Airlie mutex_unlock(&dev->mode_config.fb_lock); 4819cd47424SDave Airlie out: 4823c67d839SLukas Wunner return ret; 483f453ba04SDave Airlie } 484f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 485f453ba04SDave Airlie 486f7eff60eSRob Clark /** 487786b99edSDaniel Vetter * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference 488786b99edSDaniel Vetter * @dev: drm device 489786b99edSDaniel Vetter * @id: id of the fb object 490786b99edSDaniel Vetter * 491786b99edSDaniel Vetter * If successful, this grabs an additional reference to the framebuffer - 492786b99edSDaniel Vetter * callers need to make sure to eventually unreference the returned framebuffer 493c8e32cc1SDaniel Vetter * again, using @drm_framebuffer_unreference. 494786b99edSDaniel Vetter */ 495786b99edSDaniel Vetter struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, 496786b99edSDaniel Vetter uint32_t id) 497786b99edSDaniel Vetter { 498cee26ac4SDave Airlie struct drm_mode_object *obj; 499cee26ac4SDave Airlie struct drm_framebuffer *fb = NULL; 500786b99edSDaniel Vetter 501786b99edSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 502cee26ac4SDave Airlie obj = _object_find(dev, id, DRM_MODE_OBJECT_FB); 50372fe90b8SDave Airlie if (obj) 504cee26ac4SDave Airlie fb = obj_to_fb(obj); 505786b99edSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 506786b99edSDaniel Vetter 507786b99edSDaniel Vetter return fb; 508786b99edSDaniel Vetter } 509786b99edSDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_lookup); 510786b99edSDaniel Vetter 511786b99edSDaniel Vetter /** 51236206361SDaniel Vetter * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr 51336206361SDaniel Vetter * @fb: fb to unregister 51436206361SDaniel Vetter * 51536206361SDaniel Vetter * Drivers need to call this when cleaning up driver-private framebuffers, e.g. 51636206361SDaniel Vetter * those used for fbdev. Note that the caller must hold a reference of it's own, 51736206361SDaniel Vetter * i.e. the object may not be destroyed through this call (since it'll lead to a 51836206361SDaniel Vetter * locking inversion). 51936206361SDaniel Vetter */ 52036206361SDaniel Vetter void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) 52136206361SDaniel Vetter { 522a39a357cSDaniel Vetter struct drm_device *dev; 523a39a357cSDaniel Vetter 524a39a357cSDaniel Vetter if (!fb) 525a39a357cSDaniel Vetter return; 526a39a357cSDaniel Vetter 527a39a357cSDaniel Vetter dev = fb->dev; 5282b677e8cSDaniel Vetter 5292b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 5302b677e8cSDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 53119ab3f8bSDave Airlie drm_mode_object_unregister(dev, &fb->base); 5322b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 53336206361SDaniel Vetter } 53436206361SDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_unregister_private); 53536206361SDaniel Vetter 53636206361SDaniel Vetter /** 537f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 538f453ba04SDave Airlie * @fb: framebuffer to remove 539f453ba04SDave Airlie * 540c8e32cc1SDaniel Vetter * Cleanup framebuffer. This function is intended to be used from the drivers 541c8e32cc1SDaniel Vetter * ->destroy callback. It can also be used to clean up driver private 542c8e32cc1SDaniel Vetter * framebuffers embedded into a larger structure. 54336206361SDaniel Vetter * 54436206361SDaniel Vetter * Note that this function does not remove the fb from active usuage - if it is 54536206361SDaniel Vetter * still used anywhere, hilarity can ensue since userspace could call getfb on 54636206361SDaniel Vetter * the id and get back -EINVAL. Obviously no concern at driver unload time. 54736206361SDaniel Vetter * 54836206361SDaniel Vetter * Also, the framebuffer will not be removed from the lookup idr - for 54936206361SDaniel Vetter * user-created framebuffers this will happen in in the rmfb ioctl. For 55036206361SDaniel Vetter * driver-private objects (e.g. for fbdev) drivers need to explicitly call 55136206361SDaniel Vetter * drm_framebuffer_unregister_private. 552f453ba04SDave Airlie */ 553f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 554f453ba04SDave Airlie { 555f453ba04SDave Airlie struct drm_device *dev = fb->dev; 5568faf6b18SDaniel Vetter 5574b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 558f7eff60eSRob Clark list_del(&fb->head); 559f7eff60eSRob Clark dev->mode_config.num_fb--; 5604b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 561f7eff60eSRob Clark } 562f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 563f7eff60eSRob Clark 564f7eff60eSRob Clark /** 565f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 566f7eff60eSRob Clark * @fb: framebuffer to remove 567f7eff60eSRob Clark * 568f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 56936206361SDaniel Vetter * using @fb, removes it, setting it to NULL. Then drops the reference to the 570b62584e3SDaniel Vetter * passed-in framebuffer. Might take the modeset locks. 571b62584e3SDaniel Vetter * 572b62584e3SDaniel Vetter * Note that this function optimizes the cleanup away if the caller holds the 573b62584e3SDaniel Vetter * last reference to the framebuffer. It is also guaranteed to not take the 574b62584e3SDaniel Vetter * modeset locks in this case. 575f7eff60eSRob Clark */ 576f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 577f7eff60eSRob Clark { 578a39a357cSDaniel Vetter struct drm_device *dev; 579f453ba04SDave Airlie struct drm_crtc *crtc; 5808cf5c917SJesse Barnes struct drm_plane *plane; 5815ef5f72fSDave Airlie struct drm_mode_set set; 5825ef5f72fSDave Airlie int ret; 583f453ba04SDave Airlie 584a39a357cSDaniel Vetter if (!fb) 585a39a357cSDaniel Vetter return; 586a39a357cSDaniel Vetter 587a39a357cSDaniel Vetter dev = fb->dev; 588a39a357cSDaniel Vetter 5894b096ac1SDaniel Vetter WARN_ON(!list_empty(&fb->filp_head)); 5908faf6b18SDaniel Vetter 591b62584e3SDaniel Vetter /* 592b62584e3SDaniel Vetter * drm ABI mandates that we remove any deleted framebuffers from active 593b62584e3SDaniel Vetter * useage. But since most sane clients only remove framebuffers they no 594b62584e3SDaniel Vetter * longer need, try to optimize this away. 595b62584e3SDaniel Vetter * 596b62584e3SDaniel Vetter * Since we're holding a reference ourselves, observing a refcount of 1 597b62584e3SDaniel Vetter * means that we're the last holder and can skip it. Also, the refcount 598b62584e3SDaniel Vetter * can never increase from 1 again, so we don't need any barriers or 599b62584e3SDaniel Vetter * locks. 600b62584e3SDaniel Vetter * 601b62584e3SDaniel Vetter * Note that userspace could try to race with use and instate a new 602b62584e3SDaniel Vetter * usage _after_ we've cleared all current ones. End result will be an 603b62584e3SDaniel Vetter * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot 604b62584e3SDaniel Vetter * in this manner. 605b62584e3SDaniel Vetter */ 606747a598fSDave Airlie if (drm_framebuffer_read_refcount(fb) > 1) { 607b62584e3SDaniel Vetter drm_modeset_lock_all(dev); 608f453ba04SDave Airlie /* remove from any CRTC */ 6096295d607SDaniel Vetter drm_for_each_crtc(crtc, dev) { 610f4510a27SMatt Roper if (crtc->primary->fb == fb) { 6115ef5f72fSDave Airlie /* should turn off the crtc */ 6125ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 6135ef5f72fSDave Airlie set.crtc = crtc; 6145ef5f72fSDave Airlie set.fb = NULL; 6152d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 6165ef5f72fSDave Airlie if (ret) 6175ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 6185ef5f72fSDave Airlie } 619f453ba04SDave Airlie } 620f453ba04SDave Airlie 6216295d607SDaniel Vetter drm_for_each_plane(plane, dev) { 6229125e618SVille Syrjälä if (plane->fb == fb) 6239125e618SVille Syrjälä drm_plane_force_disable(plane); 6248cf5c917SJesse Barnes } 625b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 626b62584e3SDaniel Vetter } 6278cf5c917SJesse Barnes 628f7eff60eSRob Clark drm_framebuffer_unreference(fb); 629f453ba04SDave Airlie } 630f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 631f453ba04SDave Airlie 63251fd371bSRob Clark DEFINE_WW_CLASS(crtc_ww_class); 63351fd371bSRob Clark 634fa3ab4c2SVille Syrjälä static unsigned int drm_num_crtcs(struct drm_device *dev) 635fa3ab4c2SVille Syrjälä { 636fa3ab4c2SVille Syrjälä unsigned int num = 0; 637fa3ab4c2SVille Syrjälä struct drm_crtc *tmp; 638fa3ab4c2SVille Syrjälä 639fa3ab4c2SVille Syrjälä drm_for_each_crtc(tmp, dev) { 640fa3ab4c2SVille Syrjälä num++; 641fa3ab4c2SVille Syrjälä } 642fa3ab4c2SVille Syrjälä 643fa3ab4c2SVille Syrjälä return num; 644fa3ab4c2SVille Syrjälä } 645fa3ab4c2SVille Syrjälä 646f453ba04SDave Airlie /** 647e13161afSMatt Roper * drm_crtc_init_with_planes - Initialise a new CRTC object with 648e13161afSMatt Roper * specified primary and cursor planes. 649f453ba04SDave Airlie * @dev: DRM device 650f453ba04SDave Airlie * @crtc: CRTC object to init 651e13161afSMatt Roper * @primary: Primary plane for CRTC 652e13161afSMatt Roper * @cursor: Cursor plane for CRTC 653f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 654f9882876SVille Syrjälä * @name: printf style format string for the CRTC name, or NULL for default name 655f453ba04SDave Airlie * 656ad6f5c34SVille Syrjälä * Inits a new object created as base part of a driver crtc object. 6576bfc56aaSVille Syrjälä * 658c8e32cc1SDaniel Vetter * Returns: 6596bfc56aaSVille Syrjälä * Zero on success, error code on failure. 660f453ba04SDave Airlie */ 661e13161afSMatt Roper int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, 662e13161afSMatt Roper struct drm_plane *primary, 663fc1d3e44SMatt Roper struct drm_plane *cursor, 664f9882876SVille Syrjälä const struct drm_crtc_funcs *funcs, 665f9882876SVille Syrjälä const char *name, ...) 666f453ba04SDave Airlie { 66751fd371bSRob Clark struct drm_mode_config *config = &dev->mode_config; 6686bfc56aaSVille Syrjälä int ret; 6696bfc56aaSVille Syrjälä 670522cf91fSBenjamin Gaignard WARN_ON(primary && primary->type != DRM_PLANE_TYPE_PRIMARY); 671522cf91fSBenjamin Gaignard WARN_ON(cursor && cursor->type != DRM_PLANE_TYPE_CURSOR); 672522cf91fSBenjamin Gaignard 673f453ba04SDave Airlie crtc->dev = dev; 674f453ba04SDave Airlie crtc->funcs = funcs; 675f453ba04SDave Airlie 67651fd371bSRob Clark drm_modeset_lock_init(&crtc->mutex); 6776bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6786bfc56aaSVille Syrjälä if (ret) 679baf698b0SDaniel Vetter return ret; 680f453ba04SDave Airlie 681fa3ab4c2SVille Syrjälä if (name) { 682fa3ab4c2SVille Syrjälä va_list ap; 683fa3ab4c2SVille Syrjälä 684fa3ab4c2SVille Syrjälä va_start(ap, name); 685fa3ab4c2SVille Syrjälä crtc->name = kvasprintf(GFP_KERNEL, name, ap); 686fa3ab4c2SVille Syrjälä va_end(ap); 687fa3ab4c2SVille Syrjälä } else { 688fa3ab4c2SVille Syrjälä crtc->name = kasprintf(GFP_KERNEL, "crtc-%d", 689fa3ab4c2SVille Syrjälä drm_num_crtcs(dev)); 690fa3ab4c2SVille Syrjälä } 691fa3ab4c2SVille Syrjälä if (!crtc->name) { 6927c8f6d25SDave Airlie drm_mode_object_unregister(dev, &crtc->base); 693fa3ab4c2SVille Syrjälä return -ENOMEM; 694fa3ab4c2SVille Syrjälä } 695fa3ab4c2SVille Syrjälä 696bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 697bffd9de0SPaulo Zanoni 69851fd371bSRob Clark list_add_tail(&crtc->head, &config->crtc_list); 69951fd371bSRob Clark config->num_crtc++; 7006bfc56aaSVille Syrjälä 701e13161afSMatt Roper crtc->primary = primary; 702fc1d3e44SMatt Roper crtc->cursor = cursor; 703e13161afSMatt Roper if (primary) 704e13161afSMatt Roper primary->possible_crtcs = 1 << drm_crtc_index(crtc); 705fc1d3e44SMatt Roper if (cursor) 706fc1d3e44SMatt Roper cursor->possible_crtcs = 1 << drm_crtc_index(crtc); 707e13161afSMatt Roper 708eab3bbefSDaniel Vetter if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 709eab3bbefSDaniel Vetter drm_object_attach_property(&crtc->base, config->prop_active, 0); 710955f3c33SDaniel Stone drm_object_attach_property(&crtc->base, config->prop_mode_id, 0); 711eab3bbefSDaniel Vetter } 712eab3bbefSDaniel Vetter 713baf698b0SDaniel Vetter return 0; 714f453ba04SDave Airlie } 715e13161afSMatt Roper EXPORT_SYMBOL(drm_crtc_init_with_planes); 716f453ba04SDave Airlie 717f453ba04SDave Airlie /** 718ad6f5c34SVille Syrjälä * drm_crtc_cleanup - Clean up the core crtc usage 719f453ba04SDave Airlie * @crtc: CRTC to cleanup 720f453ba04SDave Airlie * 721ad6f5c34SVille Syrjälä * This function cleans up @crtc and removes it from the DRM mode setting 722ad6f5c34SVille Syrjälä * core. Note that the function does *not* free the crtc structure itself, 723ad6f5c34SVille Syrjälä * this is the responsibility of the caller. 724f453ba04SDave Airlie */ 725f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 726f453ba04SDave Airlie { 727f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 728f453ba04SDave Airlie 729f453ba04SDave Airlie kfree(crtc->gamma_store); 730f453ba04SDave Airlie crtc->gamma_store = NULL; 731f453ba04SDave Airlie 73251fd371bSRob Clark drm_modeset_lock_fini(&crtc->mutex); 73351fd371bSRob Clark 7347c8f6d25SDave Airlie drm_mode_object_unregister(dev, &crtc->base); 735f453ba04SDave Airlie list_del(&crtc->head); 736f453ba04SDave Airlie dev->mode_config.num_crtc--; 7373009c037SThierry Reding 7383009c037SThierry Reding WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); 7393009c037SThierry Reding if (crtc->state && crtc->funcs->atomic_destroy_state) 7403009c037SThierry Reding crtc->funcs->atomic_destroy_state(crtc, crtc->state); 741a18c0af1SThierry Reding 742fa3ab4c2SVille Syrjälä kfree(crtc->name); 743fa3ab4c2SVille Syrjälä 744a18c0af1SThierry Reding memset(crtc, 0, sizeof(*crtc)); 745f453ba04SDave Airlie } 746f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 747f453ba04SDave Airlie 748f453ba04SDave Airlie /** 749db5f7a6eSRussell King * drm_crtc_index - find the index of a registered CRTC 750db5f7a6eSRussell King * @crtc: CRTC to find index for 751db5f7a6eSRussell King * 752db5f7a6eSRussell King * Given a registered CRTC, return the index of that CRTC within a DRM 753db5f7a6eSRussell King * device's list of CRTCs. 754db5f7a6eSRussell King */ 755db5f7a6eSRussell King unsigned int drm_crtc_index(struct drm_crtc *crtc) 756db5f7a6eSRussell King { 757db5f7a6eSRussell King unsigned int index = 0; 758db5f7a6eSRussell King struct drm_crtc *tmp; 759db5f7a6eSRussell King 760e4f62546SDaniel Vetter drm_for_each_crtc(tmp, crtc->dev) { 761db5f7a6eSRussell King if (tmp == crtc) 762db5f7a6eSRussell King return index; 763db5f7a6eSRussell King 764db5f7a6eSRussell King index++; 765db5f7a6eSRussell King } 766db5f7a6eSRussell King 767db5f7a6eSRussell King BUG(); 768db5f7a6eSRussell King } 769db5f7a6eSRussell King EXPORT_SYMBOL(drm_crtc_index); 770db5f7a6eSRussell King 77186f422d5SLespiau, Damien /* 772f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 773f453ba04SDave Airlie * @connector: connector list to modify 774f453ba04SDave Airlie * @mode: mode to remove 775f453ba04SDave Airlie * 776f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 777f453ba04SDave Airlie */ 77886f422d5SLespiau, Damien static void drm_mode_remove(struct drm_connector *connector, 779f453ba04SDave Airlie struct drm_display_mode *mode) 780f453ba04SDave Airlie { 781f453ba04SDave Airlie list_del(&mode->head); 782554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 783f453ba04SDave Airlie } 784f453ba04SDave Airlie 785f453ba04SDave Airlie /** 786b5571e9dSBoris Brezillon * drm_display_info_set_bus_formats - set the supported bus formats 787b5571e9dSBoris Brezillon * @info: display info to store bus formats in 788e37bfa1aSBoris Brezillon * @formats: array containing the supported bus formats 789e37bfa1aSBoris Brezillon * @num_formats: the number of entries in the fmts array 790b5571e9dSBoris Brezillon * 791b5571e9dSBoris Brezillon * Store the supported bus formats in display info structure. 792b5571e9dSBoris Brezillon * See MEDIA_BUS_FMT_* definitions in include/uapi/linux/media-bus-format.h for 793b5571e9dSBoris Brezillon * a full list of available formats. 794b5571e9dSBoris Brezillon */ 795b5571e9dSBoris Brezillon int drm_display_info_set_bus_formats(struct drm_display_info *info, 796b5571e9dSBoris Brezillon const u32 *formats, 797b5571e9dSBoris Brezillon unsigned int num_formats) 798b5571e9dSBoris Brezillon { 799b5571e9dSBoris Brezillon u32 *fmts = NULL; 800b5571e9dSBoris Brezillon 801b5571e9dSBoris Brezillon if (!formats && num_formats) 802b5571e9dSBoris Brezillon return -EINVAL; 803b5571e9dSBoris Brezillon 804b5571e9dSBoris Brezillon if (formats && num_formats) { 805b5571e9dSBoris Brezillon fmts = kmemdup(formats, sizeof(*formats) * num_formats, 806b5571e9dSBoris Brezillon GFP_KERNEL); 807944579c5SDan Carpenter if (!fmts) 808b5571e9dSBoris Brezillon return -ENOMEM; 809b5571e9dSBoris Brezillon } 810b5571e9dSBoris Brezillon 811b5571e9dSBoris Brezillon kfree(info->bus_formats); 812b5571e9dSBoris Brezillon info->bus_formats = fmts; 813b5571e9dSBoris Brezillon info->num_bus_formats = num_formats; 814b5571e9dSBoris Brezillon 815b5571e9dSBoris Brezillon return 0; 816b5571e9dSBoris Brezillon } 817b5571e9dSBoris Brezillon EXPORT_SYMBOL(drm_display_info_set_bus_formats); 818b5571e9dSBoris Brezillon 819b5571e9dSBoris Brezillon /** 820eaf99c74SChris Wilson * drm_connector_get_cmdline_mode - reads the user's cmdline mode 821eaf99c74SChris Wilson * @connector: connector to quwery 822eaf99c74SChris Wilson * 823eaf99c74SChris Wilson * The kernel supports per-connector configration of its consoles through 824eaf99c74SChris Wilson * use of the video= parameter. This function parses that option and 825eaf99c74SChris Wilson * extracts the user's specified mode (or enable/disable status) for a 826eaf99c74SChris Wilson * particular connector. This is typically only used during the early fbdev 827eaf99c74SChris Wilson * setup. 828eaf99c74SChris Wilson */ 829eaf99c74SChris Wilson static void drm_connector_get_cmdline_mode(struct drm_connector *connector) 830eaf99c74SChris Wilson { 831eaf99c74SChris Wilson struct drm_cmdline_mode *mode = &connector->cmdline_mode; 832eaf99c74SChris Wilson char *option = NULL; 833eaf99c74SChris Wilson 834eaf99c74SChris Wilson if (fb_get_options(connector->name, &option)) 835eaf99c74SChris Wilson return; 836eaf99c74SChris Wilson 837eaf99c74SChris Wilson if (!drm_mode_parse_command_line_for_connector(option, 838eaf99c74SChris Wilson connector, 839eaf99c74SChris Wilson mode)) 840eaf99c74SChris Wilson return; 841eaf99c74SChris Wilson 842eaf99c74SChris Wilson if (mode->force) { 843eaf99c74SChris Wilson const char *s; 844eaf99c74SChris Wilson 845eaf99c74SChris Wilson switch (mode->force) { 846eaf99c74SChris Wilson case DRM_FORCE_OFF: 847eaf99c74SChris Wilson s = "OFF"; 848eaf99c74SChris Wilson break; 849eaf99c74SChris Wilson case DRM_FORCE_ON_DIGITAL: 850eaf99c74SChris Wilson s = "ON - dig"; 851eaf99c74SChris Wilson break; 852eaf99c74SChris Wilson default: 853eaf99c74SChris Wilson case DRM_FORCE_ON: 854eaf99c74SChris Wilson s = "ON"; 855eaf99c74SChris Wilson break; 856eaf99c74SChris Wilson } 857eaf99c74SChris Wilson 858eaf99c74SChris Wilson DRM_INFO("forcing %s connector %s\n", connector->name, s); 859eaf99c74SChris Wilson connector->force = mode->force; 860eaf99c74SChris Wilson } 861eaf99c74SChris Wilson 862eaf99c74SChris Wilson DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n", 863eaf99c74SChris Wilson connector->name, 864eaf99c74SChris Wilson mode->xres, mode->yres, 865eaf99c74SChris Wilson mode->refresh_specified ? mode->refresh : 60, 866eaf99c74SChris Wilson mode->rb ? " reduced blanking" : "", 867eaf99c74SChris Wilson mode->margins ? " with margins" : "", 868eaf99c74SChris Wilson mode->interlace ? " interlaced" : ""); 869eaf99c74SChris Wilson } 870eaf99c74SChris Wilson 871eaf99c74SChris Wilson /** 872f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 873f453ba04SDave Airlie * @dev: DRM device 874f453ba04SDave Airlie * @connector: the connector to init 875f453ba04SDave Airlie * @funcs: callbacks for this connector 876065a50edSDaniel Vetter * @connector_type: user visible type of the connector 877f453ba04SDave Airlie * 878f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 879f453ba04SDave Airlie * subclassed as part of driver connector objects. 8806bfc56aaSVille Syrjälä * 881c8e32cc1SDaniel Vetter * Returns: 8826bfc56aaSVille Syrjälä * Zero on success, error code on failure. 883f453ba04SDave Airlie */ 8846bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 885f453ba04SDave Airlie struct drm_connector *connector, 886f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 887f453ba04SDave Airlie int connector_type) 888f453ba04SDave Airlie { 889ae16c597SRob Clark struct drm_mode_config *config = &dev->mode_config; 8906bfc56aaSVille Syrjälä int ret; 891b21e3afeSIlia Mirkin struct ida *connector_ida = 892b21e3afeSIlia Mirkin &drm_connector_enum_list[connector_type].ida; 8936bfc56aaSVille Syrjälä 89484849903SDaniel Vetter drm_modeset_lock_all(dev); 895f453ba04SDave Airlie 896d0f37cf6SDave Airlie ret = drm_mode_object_get_reg(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR, false, NULL); 8976bfc56aaSVille Syrjälä if (ret) 8982abdd313SJani Nikula goto out_unlock; 8996bfc56aaSVille Syrjälä 9007e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 901f453ba04SDave Airlie connector->dev = dev; 902f453ba04SDave Airlie connector->funcs = funcs; 9035fff80bbSMaarten Lankhorst 9045fff80bbSMaarten Lankhorst connector->connector_id = ida_simple_get(&config->connector_ida, 0, 0, GFP_KERNEL); 9055fff80bbSMaarten Lankhorst if (connector->connector_id < 0) { 9065fff80bbSMaarten Lankhorst ret = connector->connector_id; 9075fff80bbSMaarten Lankhorst goto out_put; 9085fff80bbSMaarten Lankhorst } 9095fff80bbSMaarten Lankhorst 910f453ba04SDave Airlie connector->connector_type = connector_type; 911f453ba04SDave Airlie connector->connector_type_id = 912b21e3afeSIlia Mirkin ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); 913b21e3afeSIlia Mirkin if (connector->connector_type_id < 0) { 914b21e3afeSIlia Mirkin ret = connector->connector_type_id; 9155fff80bbSMaarten Lankhorst goto out_put_id; 916b21e3afeSIlia Mirkin } 9172abdd313SJani Nikula connector->name = 9182abdd313SJani Nikula kasprintf(GFP_KERNEL, "%s-%d", 9192abdd313SJani Nikula drm_connector_enum_list[connector_type].name, 9202abdd313SJani Nikula connector->connector_type_id); 9212abdd313SJani Nikula if (!connector->name) { 9222abdd313SJani Nikula ret = -ENOMEM; 9235fff80bbSMaarten Lankhorst goto out_put_type_id; 9242abdd313SJani Nikula } 9252abdd313SJani Nikula 926f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 927f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 928f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 9295e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 930f453ba04SDave Airlie 931eaf99c74SChris Wilson drm_connector_get_cmdline_mode(connector); 932eaf99c74SChris Wilson 933c7eb76f4SDaniel Vetter /* We should add connectors at the end to avoid upsetting the connector 934c7eb76f4SDaniel Vetter * index too much. */ 935ae16c597SRob Clark list_add_tail(&connector->head, &config->connector_list); 936ae16c597SRob Clark config->num_connector++; 937f453ba04SDave Airlie 938a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 93958495563SRob Clark drm_object_attach_property(&connector->base, 940ae16c597SRob Clark config->edid_property, 941a7331e5cSThomas Hellstrom 0); 942f453ba04SDave Airlie 94358495563SRob Clark drm_object_attach_property(&connector->base, 944ae16c597SRob Clark config->dpms_property, 0); 945ae16c597SRob Clark 946ae16c597SRob Clark if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 947ae16c597SRob Clark drm_object_attach_property(&connector->base, config->prop_crtc_id, 0); 948ae16c597SRob Clark } 949f453ba04SDave Airlie 95030f65707SThomas Wood connector->debugfs_entry = NULL; 9515fff80bbSMaarten Lankhorst out_put_type_id: 9525fff80bbSMaarten Lankhorst if (ret) 9535fff80bbSMaarten Lankhorst ida_remove(connector_ida, connector->connector_type_id); 9545fff80bbSMaarten Lankhorst out_put_id: 9555fff80bbSMaarten Lankhorst if (ret) 9565fff80bbSMaarten Lankhorst ida_remove(&config->connector_ida, connector->connector_id); 9572abdd313SJani Nikula out_put: 9582abdd313SJani Nikula if (ret) 9597c8f6d25SDave Airlie drm_mode_object_unregister(dev, &connector->base); 9602abdd313SJani Nikula 9612abdd313SJani Nikula out_unlock: 96284849903SDaniel Vetter drm_modeset_unlock_all(dev); 9636bfc56aaSVille Syrjälä 9646bfc56aaSVille Syrjälä return ret; 965f453ba04SDave Airlie } 966f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 967f453ba04SDave Airlie 968f453ba04SDave Airlie /** 969f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 970f453ba04SDave Airlie * @connector: connector to cleanup 971f453ba04SDave Airlie * 972f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 973f453ba04SDave Airlie */ 974f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 975f453ba04SDave Airlie { 976f453ba04SDave Airlie struct drm_device *dev = connector->dev; 977f453ba04SDave Airlie struct drm_display_mode *mode, *t; 978f453ba04SDave Airlie 97940d9b043SDave Airlie if (connector->tile_group) { 98040d9b043SDave Airlie drm_mode_put_tile_group(dev, connector->tile_group); 98140d9b043SDave Airlie connector->tile_group = NULL; 98240d9b043SDave Airlie } 98340d9b043SDave Airlie 984f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 985f453ba04SDave Airlie drm_mode_remove(connector, mode); 986f453ba04SDave Airlie 987f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 988f453ba04SDave Airlie drm_mode_remove(connector, mode); 989f453ba04SDave Airlie 990b21e3afeSIlia Mirkin ida_remove(&drm_connector_enum_list[connector->connector_type].ida, 991b21e3afeSIlia Mirkin connector->connector_type_id); 992b21e3afeSIlia Mirkin 9935fff80bbSMaarten Lankhorst ida_remove(&dev->mode_config.connector_ida, 9945fff80bbSMaarten Lankhorst connector->connector_id); 9955fff80bbSMaarten Lankhorst 996b5571e9dSBoris Brezillon kfree(connector->display_info.bus_formats); 9977c8f6d25SDave Airlie drm_mode_object_unregister(dev, &connector->base); 9982abdd313SJani Nikula kfree(connector->name); 9992abdd313SJani Nikula connector->name = NULL; 1000f453ba04SDave Airlie list_del(&connector->head); 10016380c509SJoonyoung Shim dev->mode_config.num_connector--; 10023009c037SThierry Reding 10033009c037SThierry Reding WARN_ON(connector->state && !connector->funcs->atomic_destroy_state); 10043009c037SThierry Reding if (connector->state && connector->funcs->atomic_destroy_state) 10053009c037SThierry Reding connector->funcs->atomic_destroy_state(connector, 10063009c037SThierry Reding connector->state); 1007a18c0af1SThierry Reding 1008a18c0af1SThierry Reding memset(connector, 0, sizeof(*connector)); 1009f453ba04SDave Airlie } 1010f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 1011f453ba04SDave Airlie 1012c8e32cc1SDaniel Vetter /** 101334ea3d38SThomas Wood * drm_connector_register - register a connector 101434ea3d38SThomas Wood * @connector: the connector to register 101534ea3d38SThomas Wood * 101634ea3d38SThomas Wood * Register userspace interfaces for a connector 101734ea3d38SThomas Wood * 101834ea3d38SThomas Wood * Returns: 101934ea3d38SThomas Wood * Zero on success, error code on failure. 102034ea3d38SThomas Wood */ 102134ea3d38SThomas Wood int drm_connector_register(struct drm_connector *connector) 102234ea3d38SThomas Wood { 102330f65707SThomas Wood int ret; 102430f65707SThomas Wood 10252ee39452SDave Airlie drm_mode_object_register(connector->dev, &connector->base); 10262ee39452SDave Airlie 102730f65707SThomas Wood ret = drm_sysfs_connector_add(connector); 102830f65707SThomas Wood if (ret) 102930f65707SThomas Wood return ret; 103030f65707SThomas Wood 103130f65707SThomas Wood ret = drm_debugfs_connector_add(connector); 103230f65707SThomas Wood if (ret) { 103330f65707SThomas Wood drm_sysfs_connector_remove(connector); 103430f65707SThomas Wood return ret; 103530f65707SThomas Wood } 103630f65707SThomas Wood 103730f65707SThomas Wood return 0; 103834ea3d38SThomas Wood } 103934ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_register); 104034ea3d38SThomas Wood 104134ea3d38SThomas Wood /** 104234ea3d38SThomas Wood * drm_connector_unregister - unregister a connector 104334ea3d38SThomas Wood * @connector: the connector to unregister 104434ea3d38SThomas Wood * 104534ea3d38SThomas Wood * Unregister userspace interfaces for a connector 104634ea3d38SThomas Wood */ 104734ea3d38SThomas Wood void drm_connector_unregister(struct drm_connector *connector) 104834ea3d38SThomas Wood { 104934ea3d38SThomas Wood drm_sysfs_connector_remove(connector); 105030f65707SThomas Wood drm_debugfs_connector_remove(connector); 105134ea3d38SThomas Wood } 105234ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_unregister); 105334ea3d38SThomas Wood 105434ea3d38SThomas Wood /** 105554d2c2daSAlexey Brodkin * drm_connector_register_all - register all connectors 105654d2c2daSAlexey Brodkin * @dev: drm device 105754d2c2daSAlexey Brodkin * 105854d2c2daSAlexey Brodkin * This function registers all connectors in sysfs and other places so that 105954d2c2daSAlexey Brodkin * userspace can start to access them. Drivers can call it after calling 106054d2c2daSAlexey Brodkin * drm_dev_register() to complete the device registration, if they don't call 106154d2c2daSAlexey Brodkin * drm_connector_register() on each connector individually. 106254d2c2daSAlexey Brodkin * 106354d2c2daSAlexey Brodkin * When a device is unplugged and should be removed from userspace access, 106454d2c2daSAlexey Brodkin * call drm_connector_unregister_all(), which is the inverse of this 106554d2c2daSAlexey Brodkin * function. 106654d2c2daSAlexey Brodkin * 106754d2c2daSAlexey Brodkin * Returns: 106854d2c2daSAlexey Brodkin * Zero on success, error code on failure. 106954d2c2daSAlexey Brodkin */ 107054d2c2daSAlexey Brodkin int drm_connector_register_all(struct drm_device *dev) 107154d2c2daSAlexey Brodkin { 107254d2c2daSAlexey Brodkin struct drm_connector *connector; 107354d2c2daSAlexey Brodkin int ret; 107454d2c2daSAlexey Brodkin 107554d2c2daSAlexey Brodkin mutex_lock(&dev->mode_config.mutex); 107654d2c2daSAlexey Brodkin 107754d2c2daSAlexey Brodkin drm_for_each_connector(connector, dev) { 107854d2c2daSAlexey Brodkin ret = drm_connector_register(connector); 107954d2c2daSAlexey Brodkin if (ret) 108054d2c2daSAlexey Brodkin goto err; 108154d2c2daSAlexey Brodkin } 108254d2c2daSAlexey Brodkin 108354d2c2daSAlexey Brodkin mutex_unlock(&dev->mode_config.mutex); 108454d2c2daSAlexey Brodkin 108554d2c2daSAlexey Brodkin return 0; 108654d2c2daSAlexey Brodkin 108754d2c2daSAlexey Brodkin err: 108854d2c2daSAlexey Brodkin mutex_unlock(&dev->mode_config.mutex); 108954d2c2daSAlexey Brodkin drm_connector_unregister_all(dev); 109054d2c2daSAlexey Brodkin return ret; 109154d2c2daSAlexey Brodkin } 109254d2c2daSAlexey Brodkin EXPORT_SYMBOL(drm_connector_register_all); 109354d2c2daSAlexey Brodkin 109454d2c2daSAlexey Brodkin /** 10956c87e5c3SAlexey Brodkin * drm_connector_unregister_all - unregister connector userspace interfaces 1096c8e32cc1SDaniel Vetter * @dev: drm device 1097c8e32cc1SDaniel Vetter * 10986c87e5c3SAlexey Brodkin * This functions unregisters all connectors from sysfs and other places so 10996c87e5c3SAlexey Brodkin * that userspace can no longer access them. Drivers should call this as the 11006c87e5c3SAlexey Brodkin * first step tearing down the device instace, or when the underlying 11016c87e5c3SAlexey Brodkin * physical device disappeared (e.g. USB unplug), right before calling 11026c87e5c3SAlexey Brodkin * drm_dev_unregister(). 1103c8e32cc1SDaniel Vetter */ 11046c87e5c3SAlexey Brodkin void drm_connector_unregister_all(struct drm_device *dev) 1105cbc7e221SDave Airlie { 1106cbc7e221SDave Airlie struct drm_connector *connector; 1107cbc7e221SDave Airlie 11089a9f5ce8SDaniel Vetter /* FIXME: taking the mode config mutex ends up in a clash with sysfs */ 110914ba0031SLaurent Pinchart list_for_each_entry(connector, &dev->mode_config.connector_list, head) 111034ea3d38SThomas Wood drm_connector_unregister(connector); 1111cbc7e221SDave Airlie } 11126c87e5c3SAlexey Brodkin EXPORT_SYMBOL(drm_connector_unregister_all); 1113cbc7e221SDave Airlie 1114c8e32cc1SDaniel Vetter /** 1115c8e32cc1SDaniel Vetter * drm_encoder_init - Init a preallocated encoder 1116c8e32cc1SDaniel Vetter * @dev: drm device 1117c8e32cc1SDaniel Vetter * @encoder: the encoder to init 1118c8e32cc1SDaniel Vetter * @funcs: callbacks for this encoder 1119c8e32cc1SDaniel Vetter * @encoder_type: user visible type of the encoder 112013a3d91fSVille Syrjälä * @name: printf style format string for the encoder name, or NULL for default name 1121c8e32cc1SDaniel Vetter * 1122c8e32cc1SDaniel Vetter * Initialises a preallocated encoder. Encoder should be 1123c8e32cc1SDaniel Vetter * subclassed as part of driver encoder objects. 1124c8e32cc1SDaniel Vetter * 1125c8e32cc1SDaniel Vetter * Returns: 1126c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 1127c8e32cc1SDaniel Vetter */ 11286bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 1129f453ba04SDave Airlie struct drm_encoder *encoder, 1130f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 113113a3d91fSVille Syrjälä int encoder_type, const char *name, ...) 1132f453ba04SDave Airlie { 11336bfc56aaSVille Syrjälä int ret; 11346bfc56aaSVille Syrjälä 113584849903SDaniel Vetter drm_modeset_lock_all(dev); 1136f453ba04SDave Airlie 11376bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 11386bfc56aaSVille Syrjälä if (ret) 1139e5748946SJani Nikula goto out_unlock; 1140f453ba04SDave Airlie 11416bfc56aaSVille Syrjälä encoder->dev = dev; 1142f453ba04SDave Airlie encoder->encoder_type = encoder_type; 1143f453ba04SDave Airlie encoder->funcs = funcs; 114486bf546bSVille Syrjälä if (name) { 114586bf546bSVille Syrjälä va_list ap; 114686bf546bSVille Syrjälä 114786bf546bSVille Syrjälä va_start(ap, name); 114886bf546bSVille Syrjälä encoder->name = kvasprintf(GFP_KERNEL, name, ap); 114986bf546bSVille Syrjälä va_end(ap); 115086bf546bSVille Syrjälä } else { 1151e5748946SJani Nikula encoder->name = kasprintf(GFP_KERNEL, "%s-%d", 1152e5748946SJani Nikula drm_encoder_enum_list[encoder_type].name, 1153e5748946SJani Nikula encoder->base.id); 115486bf546bSVille Syrjälä } 1155e5748946SJani Nikula if (!encoder->name) { 1156e5748946SJani Nikula ret = -ENOMEM; 1157e5748946SJani Nikula goto out_put; 1158e5748946SJani Nikula } 1159f453ba04SDave Airlie 1160f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 1161f453ba04SDave Airlie dev->mode_config.num_encoder++; 1162f453ba04SDave Airlie 1163e5748946SJani Nikula out_put: 1164e5748946SJani Nikula if (ret) 11657c8f6d25SDave Airlie drm_mode_object_unregister(dev, &encoder->base); 1166e5748946SJani Nikula 1167e5748946SJani Nikula out_unlock: 116884849903SDaniel Vetter drm_modeset_unlock_all(dev); 11696bfc56aaSVille Syrjälä 11706bfc56aaSVille Syrjälä return ret; 1171f453ba04SDave Airlie } 1172f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 1173f453ba04SDave Airlie 1174c8e32cc1SDaniel Vetter /** 117547d7777fSMaarten Lankhorst * drm_encoder_index - find the index of a registered encoder 117647d7777fSMaarten Lankhorst * @encoder: encoder to find index for 117747d7777fSMaarten Lankhorst * 117847d7777fSMaarten Lankhorst * Given a registered encoder, return the index of that encoder within a DRM 117947d7777fSMaarten Lankhorst * device's list of encoders. 118047d7777fSMaarten Lankhorst */ 118147d7777fSMaarten Lankhorst unsigned int drm_encoder_index(struct drm_encoder *encoder) 118247d7777fSMaarten Lankhorst { 118347d7777fSMaarten Lankhorst unsigned int index = 0; 118447d7777fSMaarten Lankhorst struct drm_encoder *tmp; 118547d7777fSMaarten Lankhorst 118647d7777fSMaarten Lankhorst drm_for_each_encoder(tmp, encoder->dev) { 118747d7777fSMaarten Lankhorst if (tmp == encoder) 118847d7777fSMaarten Lankhorst return index; 118947d7777fSMaarten Lankhorst 119047d7777fSMaarten Lankhorst index++; 119147d7777fSMaarten Lankhorst } 119247d7777fSMaarten Lankhorst 119347d7777fSMaarten Lankhorst BUG(); 119447d7777fSMaarten Lankhorst } 119547d7777fSMaarten Lankhorst EXPORT_SYMBOL(drm_encoder_index); 119647d7777fSMaarten Lankhorst 119747d7777fSMaarten Lankhorst /** 1198c8e32cc1SDaniel Vetter * drm_encoder_cleanup - cleans up an initialised encoder 1199c8e32cc1SDaniel Vetter * @encoder: encoder to cleanup 1200c8e32cc1SDaniel Vetter * 1201c8e32cc1SDaniel Vetter * Cleans up the encoder but doesn't free the object. 1202c8e32cc1SDaniel Vetter */ 1203f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 1204f453ba04SDave Airlie { 1205f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 12064dfd909fSThierry Reding 120784849903SDaniel Vetter drm_modeset_lock_all(dev); 12087c8f6d25SDave Airlie drm_mode_object_unregister(dev, &encoder->base); 1209e5748946SJani Nikula kfree(encoder->name); 1210f453ba04SDave Airlie list_del(&encoder->head); 12116380c509SJoonyoung Shim dev->mode_config.num_encoder--; 121284849903SDaniel Vetter drm_modeset_unlock_all(dev); 1213a18c0af1SThierry Reding 1214a18c0af1SThierry Reding memset(encoder, 0, sizeof(*encoder)); 1215f453ba04SDave Airlie } 1216f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 1217f453ba04SDave Airlie 12189f4c97a2SVille Syrjälä static unsigned int drm_num_planes(struct drm_device *dev) 12199f4c97a2SVille Syrjälä { 12209f4c97a2SVille Syrjälä unsigned int num = 0; 12219f4c97a2SVille Syrjälä struct drm_plane *tmp; 12229f4c97a2SVille Syrjälä 12239f4c97a2SVille Syrjälä drm_for_each_plane(tmp, dev) { 12249f4c97a2SVille Syrjälä num++; 12259f4c97a2SVille Syrjälä } 12269f4c97a2SVille Syrjälä 12279f4c97a2SVille Syrjälä return num; 12289f4c97a2SVille Syrjälä } 12299f4c97a2SVille Syrjälä 123035f2c3aeSVille Syrjälä /** 1231dc415ff9SMatt Roper * drm_universal_plane_init - Initialize a new universal plane object 123235f2c3aeSVille Syrjälä * @dev: DRM device 123335f2c3aeSVille Syrjälä * @plane: plane object to init 123435f2c3aeSVille Syrjälä * @possible_crtcs: bitmask of possible CRTCs 123535f2c3aeSVille Syrjälä * @funcs: callbacks for the new plane 123635f2c3aeSVille Syrjälä * @formats: array of supported formats (%DRM_FORMAT_*) 123735f2c3aeSVille Syrjälä * @format_count: number of elements in @formats 1238dc415ff9SMatt Roper * @type: type of plane (overlay, primary, cursor) 1239b0b3b795SVille Syrjälä * @name: printf style format string for the plane name, or NULL for default name 124035f2c3aeSVille Syrjälä * 1241dc415ff9SMatt Roper * Initializes a plane object of type @type. 124235f2c3aeSVille Syrjälä * 1243c8e32cc1SDaniel Vetter * Returns: 124435f2c3aeSVille Syrjälä * Zero on success, error code on failure. 124535f2c3aeSVille Syrjälä */ 1246dc415ff9SMatt Roper int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, 12478cf5c917SJesse Barnes unsigned long possible_crtcs, 12488cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 124945e3743aSThierry Reding const uint32_t *formats, unsigned int format_count, 1250b0b3b795SVille Syrjälä enum drm_plane_type type, 1251b0b3b795SVille Syrjälä const char *name, ...) 12528cf5c917SJesse Barnes { 12536b4959f4SRob Clark struct drm_mode_config *config = &dev->mode_config; 12546bfc56aaSVille Syrjälä int ret; 12556bfc56aaSVille Syrjälä 12566bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 12576bfc56aaSVille Syrjälä if (ret) 1258baf698b0SDaniel Vetter return ret; 12596bfc56aaSVille Syrjälä 12604d02e2deSDaniel Vetter drm_modeset_lock_init(&plane->mutex); 12614d02e2deSDaniel Vetter 12624d93914aSRob Clark plane->base.properties = &plane->properties; 12638cf5c917SJesse Barnes plane->dev = dev; 12648cf5c917SJesse Barnes plane->funcs = funcs; 12652f6c5389SThierry Reding plane->format_types = kmalloc_array(format_count, sizeof(uint32_t), 12668cf5c917SJesse Barnes GFP_KERNEL); 12678cf5c917SJesse Barnes if (!plane->format_types) { 12688cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 12697c8f6d25SDave Airlie drm_mode_object_unregister(dev, &plane->base); 1270baf698b0SDaniel Vetter return -ENOMEM; 12718cf5c917SJesse Barnes } 12728cf5c917SJesse Barnes 12739f4c97a2SVille Syrjälä if (name) { 12749f4c97a2SVille Syrjälä va_list ap; 12759f4c97a2SVille Syrjälä 12769f4c97a2SVille Syrjälä va_start(ap, name); 12779f4c97a2SVille Syrjälä plane->name = kvasprintf(GFP_KERNEL, name, ap); 12789f4c97a2SVille Syrjälä va_end(ap); 12799f4c97a2SVille Syrjälä } else { 12809f4c97a2SVille Syrjälä plane->name = kasprintf(GFP_KERNEL, "plane-%d", 12819f4c97a2SVille Syrjälä drm_num_planes(dev)); 12829f4c97a2SVille Syrjälä } 12839f4c97a2SVille Syrjälä if (!plane->name) { 12849f4c97a2SVille Syrjälä kfree(plane->format_types); 12857c8f6d25SDave Airlie drm_mode_object_unregister(dev, &plane->base); 12869f4c97a2SVille Syrjälä return -ENOMEM; 12879f4c97a2SVille Syrjälä } 12889f4c97a2SVille Syrjälä 1289308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 12908cf5c917SJesse Barnes plane->format_count = format_count; 12918cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 1292dc415ff9SMatt Roper plane->type = type; 12938cf5c917SJesse Barnes 12946b4959f4SRob Clark list_add_tail(&plane->head, &config->plane_list); 12956b4959f4SRob Clark config->num_total_plane++; 1296e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 12976b4959f4SRob Clark config->num_overlay_plane++; 12988cf5c917SJesse Barnes 12999922ab5aSRob Clark drm_object_attach_property(&plane->base, 13006b4959f4SRob Clark config->plane_type_property, 13019922ab5aSRob Clark plane->type); 13029922ab5aSRob Clark 13036b4959f4SRob Clark if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 13046b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_fb_id, 0); 13056b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_id, 0); 13066b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_x, 0); 13076b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_y, 0); 13086b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_w, 0); 13096b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_h, 0); 13106b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_x, 0); 13116b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_y, 0); 13126b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_w, 0); 13136b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_h, 0); 13146b4959f4SRob Clark } 13156b4959f4SRob Clark 1316baf698b0SDaniel Vetter return 0; 13178cf5c917SJesse Barnes } 1318dc415ff9SMatt Roper EXPORT_SYMBOL(drm_universal_plane_init); 1319dc415ff9SMatt Roper 1320dc415ff9SMatt Roper /** 1321dc415ff9SMatt Roper * drm_plane_init - Initialize a legacy plane 1322dc415ff9SMatt Roper * @dev: DRM device 1323dc415ff9SMatt Roper * @plane: plane object to init 1324dc415ff9SMatt Roper * @possible_crtcs: bitmask of possible CRTCs 1325dc415ff9SMatt Roper * @funcs: callbacks for the new plane 1326dc415ff9SMatt Roper * @formats: array of supported formats (%DRM_FORMAT_*) 1327dc415ff9SMatt Roper * @format_count: number of elements in @formats 1328dc415ff9SMatt Roper * @is_primary: plane type (primary vs overlay) 1329dc415ff9SMatt Roper * 1330dc415ff9SMatt Roper * Legacy API to initialize a DRM plane. 1331dc415ff9SMatt Roper * 1332dc415ff9SMatt Roper * New drivers should call drm_universal_plane_init() instead. 1333dc415ff9SMatt Roper * 1334dc415ff9SMatt Roper * Returns: 1335dc415ff9SMatt Roper * Zero on success, error code on failure. 1336dc415ff9SMatt Roper */ 1337dc415ff9SMatt Roper int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 1338dc415ff9SMatt Roper unsigned long possible_crtcs, 1339dc415ff9SMatt Roper const struct drm_plane_funcs *funcs, 134045e3743aSThierry Reding const uint32_t *formats, unsigned int format_count, 1341dc415ff9SMatt Roper bool is_primary) 1342dc415ff9SMatt Roper { 1343dc415ff9SMatt Roper enum drm_plane_type type; 1344dc415ff9SMatt Roper 1345dc415ff9SMatt Roper type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; 1346dc415ff9SMatt Roper return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, 1347b0b3b795SVille Syrjälä formats, format_count, type, NULL); 1348dc415ff9SMatt Roper } 13498cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 13508cf5c917SJesse Barnes 135135f2c3aeSVille Syrjälä /** 135235f2c3aeSVille Syrjälä * drm_plane_cleanup - Clean up the core plane usage 135335f2c3aeSVille Syrjälä * @plane: plane to cleanup 135435f2c3aeSVille Syrjälä * 135535f2c3aeSVille Syrjälä * This function cleans up @plane and removes it from the DRM mode setting 135635f2c3aeSVille Syrjälä * core. Note that the function does *not* free the plane structure itself, 135735f2c3aeSVille Syrjälä * this is the responsibility of the caller. 135835f2c3aeSVille Syrjälä */ 13598cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 13608cf5c917SJesse Barnes { 13618cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 13628cf5c917SJesse Barnes 136384849903SDaniel Vetter drm_modeset_lock_all(dev); 13648cf5c917SJesse Barnes kfree(plane->format_types); 13657c8f6d25SDave Airlie drm_mode_object_unregister(dev, &plane->base); 1366dc415ff9SMatt Roper 1367dc415ff9SMatt Roper BUG_ON(list_empty(&plane->head)); 1368dc415ff9SMatt Roper 13698cf5c917SJesse Barnes list_del(&plane->head); 1370e27dde3eSMatt Roper dev->mode_config.num_total_plane--; 1371e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 1372e27dde3eSMatt Roper dev->mode_config.num_overlay_plane--; 137384849903SDaniel Vetter drm_modeset_unlock_all(dev); 13743009c037SThierry Reding 13753009c037SThierry Reding WARN_ON(plane->state && !plane->funcs->atomic_destroy_state); 13763009c037SThierry Reding if (plane->state && plane->funcs->atomic_destroy_state) 13773009c037SThierry Reding plane->funcs->atomic_destroy_state(plane, plane->state); 1378a18c0af1SThierry Reding 13799f4c97a2SVille Syrjälä kfree(plane->name); 13809f4c97a2SVille Syrjälä 1381a18c0af1SThierry Reding memset(plane, 0, sizeof(*plane)); 13828cf5c917SJesse Barnes } 13838cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 13848cf5c917SJesse Barnes 138535f2c3aeSVille Syrjälä /** 138610f637bfSDaniel Vetter * drm_plane_index - find the index of a registered plane 138710f637bfSDaniel Vetter * @plane: plane to find index for 138810f637bfSDaniel Vetter * 138910f637bfSDaniel Vetter * Given a registered plane, return the index of that CRTC within a DRM 139010f637bfSDaniel Vetter * device's list of planes. 139110f637bfSDaniel Vetter */ 139210f637bfSDaniel Vetter unsigned int drm_plane_index(struct drm_plane *plane) 139310f637bfSDaniel Vetter { 139410f637bfSDaniel Vetter unsigned int index = 0; 139510f637bfSDaniel Vetter struct drm_plane *tmp; 139610f637bfSDaniel Vetter 1397e4f62546SDaniel Vetter drm_for_each_plane(tmp, plane->dev) { 139810f637bfSDaniel Vetter if (tmp == plane) 139910f637bfSDaniel Vetter return index; 140010f637bfSDaniel Vetter 140110f637bfSDaniel Vetter index++; 140210f637bfSDaniel Vetter } 140310f637bfSDaniel Vetter 140410f637bfSDaniel Vetter BUG(); 140510f637bfSDaniel Vetter } 140610f637bfSDaniel Vetter EXPORT_SYMBOL(drm_plane_index); 140710f637bfSDaniel Vetter 140810f637bfSDaniel Vetter /** 1409f81338a5SChandra Konduru * drm_plane_from_index - find the registered plane at an index 1410f81338a5SChandra Konduru * @dev: DRM device 1411f81338a5SChandra Konduru * @idx: index of registered plane to find for 1412f81338a5SChandra Konduru * 1413f81338a5SChandra Konduru * Given a plane index, return the registered plane from DRM device's 1414f81338a5SChandra Konduru * list of planes with matching index. 1415f81338a5SChandra Konduru */ 1416f81338a5SChandra Konduru struct drm_plane * 1417f81338a5SChandra Konduru drm_plane_from_index(struct drm_device *dev, int idx) 1418f81338a5SChandra Konduru { 1419f81338a5SChandra Konduru struct drm_plane *plane; 1420f81338a5SChandra Konduru unsigned int i = 0; 1421f81338a5SChandra Konduru 14226295d607SDaniel Vetter drm_for_each_plane(plane, dev) { 1423f81338a5SChandra Konduru if (i == idx) 1424f81338a5SChandra Konduru return plane; 1425f81338a5SChandra Konduru i++; 1426f81338a5SChandra Konduru } 1427f81338a5SChandra Konduru return NULL; 1428f81338a5SChandra Konduru } 1429f81338a5SChandra Konduru EXPORT_SYMBOL(drm_plane_from_index); 1430f81338a5SChandra Konduru 1431f81338a5SChandra Konduru /** 143235f2c3aeSVille Syrjälä * drm_plane_force_disable - Forcibly disable a plane 143335f2c3aeSVille Syrjälä * @plane: plane to disable 143435f2c3aeSVille Syrjälä * 143535f2c3aeSVille Syrjälä * Forces the plane to be disabled. 143635f2c3aeSVille Syrjälä * 143735f2c3aeSVille Syrjälä * Used when the plane's current framebuffer is destroyed, 143835f2c3aeSVille Syrjälä * and when restoring fbdev mode. 143935f2c3aeSVille Syrjälä */ 14409125e618SVille Syrjälä void drm_plane_force_disable(struct drm_plane *plane) 14419125e618SVille Syrjälä { 14429125e618SVille Syrjälä int ret; 14439125e618SVille Syrjälä 14443d30a59bSDaniel Vetter if (!plane->fb) 14459125e618SVille Syrjälä return; 14469125e618SVille Syrjälä 14473d30a59bSDaniel Vetter plane->old_fb = plane->fb; 14489125e618SVille Syrjälä ret = plane->funcs->disable_plane(plane); 1449731cce48SDaniel Vetter if (ret) { 14509125e618SVille Syrjälä DRM_ERROR("failed to disable plane with busy fb\n"); 14513d30a59bSDaniel Vetter plane->old_fb = NULL; 1452731cce48SDaniel Vetter return; 1453731cce48SDaniel Vetter } 14549125e618SVille Syrjälä /* disconnect the plane from the fb and crtc: */ 1455220dd2bcSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 14563d30a59bSDaniel Vetter plane->old_fb = NULL; 14579125e618SVille Syrjälä plane->fb = NULL; 14589125e618SVille Syrjälä plane->crtc = NULL; 14599125e618SVille Syrjälä } 14609125e618SVille Syrjälä EXPORT_SYMBOL(drm_plane_force_disable); 14619125e618SVille Syrjälä 14626b4959f4SRob Clark static int drm_mode_create_standard_properties(struct drm_device *dev) 1463f453ba04SDave Airlie { 1464356af0e1SRob Clark struct drm_property *prop; 1465f453ba04SDave Airlie 1466f453ba04SDave Airlie /* 1467f453ba04SDave Airlie * Standard properties (apply to all connectors) 1468f453ba04SDave Airlie */ 1469356af0e1SRob Clark prop = drm_property_create(dev, DRM_MODE_PROP_BLOB | 1470f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 1471f453ba04SDave Airlie "EDID", 0); 1472356af0e1SRob Clark if (!prop) 1473356af0e1SRob Clark return -ENOMEM; 1474356af0e1SRob Clark dev->mode_config.edid_property = prop; 1475f453ba04SDave Airlie 1476356af0e1SRob Clark prop = drm_property_create_enum(dev, 0, 14774a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 14784a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 1479356af0e1SRob Clark if (!prop) 1480356af0e1SRob Clark return -ENOMEM; 1481356af0e1SRob Clark dev->mode_config.dpms_property = prop; 1482f453ba04SDave Airlie 1483356af0e1SRob Clark prop = drm_property_create(dev, 148443aba7ebSDave Airlie DRM_MODE_PROP_BLOB | 148543aba7ebSDave Airlie DRM_MODE_PROP_IMMUTABLE, 148643aba7ebSDave Airlie "PATH", 0); 1487356af0e1SRob Clark if (!prop) 1488356af0e1SRob Clark return -ENOMEM; 1489356af0e1SRob Clark dev->mode_config.path_property = prop; 149043aba7ebSDave Airlie 1491356af0e1SRob Clark prop = drm_property_create(dev, 14926f134d7bSDave Airlie DRM_MODE_PROP_BLOB | 14936f134d7bSDave Airlie DRM_MODE_PROP_IMMUTABLE, 14946f134d7bSDave Airlie "TILE", 0); 1495356af0e1SRob Clark if (!prop) 1496356af0e1SRob Clark return -ENOMEM; 1497356af0e1SRob Clark dev->mode_config.tile_property = prop; 14986f134d7bSDave Airlie 14996b4959f4SRob Clark prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 15009922ab5aSRob Clark "type", drm_plane_type_enum_list, 15019922ab5aSRob Clark ARRAY_SIZE(drm_plane_type_enum_list)); 15026b4959f4SRob Clark if (!prop) 15036b4959f4SRob Clark return -ENOMEM; 15046b4959f4SRob Clark dev->mode_config.plane_type_property = prop; 15056b4959f4SRob Clark 15066b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15076b4959f4SRob Clark "SRC_X", 0, UINT_MAX); 15086b4959f4SRob Clark if (!prop) 15096b4959f4SRob Clark return -ENOMEM; 15106b4959f4SRob Clark dev->mode_config.prop_src_x = prop; 15116b4959f4SRob Clark 15126b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15136b4959f4SRob Clark "SRC_Y", 0, UINT_MAX); 15146b4959f4SRob Clark if (!prop) 15156b4959f4SRob Clark return -ENOMEM; 15166b4959f4SRob Clark dev->mode_config.prop_src_y = prop; 15176b4959f4SRob Clark 15186b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15196b4959f4SRob Clark "SRC_W", 0, UINT_MAX); 15206b4959f4SRob Clark if (!prop) 15216b4959f4SRob Clark return -ENOMEM; 15226b4959f4SRob Clark dev->mode_config.prop_src_w = prop; 15236b4959f4SRob Clark 15246b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15256b4959f4SRob Clark "SRC_H", 0, UINT_MAX); 15266b4959f4SRob Clark if (!prop) 15276b4959f4SRob Clark return -ENOMEM; 15286b4959f4SRob Clark dev->mode_config.prop_src_h = prop; 15296b4959f4SRob Clark 15306b4959f4SRob Clark prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, 15316b4959f4SRob Clark "CRTC_X", INT_MIN, INT_MAX); 15326b4959f4SRob Clark if (!prop) 15336b4959f4SRob Clark return -ENOMEM; 15346b4959f4SRob Clark dev->mode_config.prop_crtc_x = prop; 15356b4959f4SRob Clark 15366b4959f4SRob Clark prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, 15376b4959f4SRob Clark "CRTC_Y", INT_MIN, INT_MAX); 15386b4959f4SRob Clark if (!prop) 15396b4959f4SRob Clark return -ENOMEM; 15406b4959f4SRob Clark dev->mode_config.prop_crtc_y = prop; 15416b4959f4SRob Clark 15426b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15436b4959f4SRob Clark "CRTC_W", 0, INT_MAX); 15446b4959f4SRob Clark if (!prop) 15456b4959f4SRob Clark return -ENOMEM; 15466b4959f4SRob Clark dev->mode_config.prop_crtc_w = prop; 15476b4959f4SRob Clark 15486b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 15496b4959f4SRob Clark "CRTC_H", 0, INT_MAX); 15506b4959f4SRob Clark if (!prop) 15516b4959f4SRob Clark return -ENOMEM; 15526b4959f4SRob Clark dev->mode_config.prop_crtc_h = prop; 15536b4959f4SRob Clark 15546b4959f4SRob Clark prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, 15556b4959f4SRob Clark "FB_ID", DRM_MODE_OBJECT_FB); 15566b4959f4SRob Clark if (!prop) 15576b4959f4SRob Clark return -ENOMEM; 15586b4959f4SRob Clark dev->mode_config.prop_fb_id = prop; 15596b4959f4SRob Clark 15606b4959f4SRob Clark prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, 15616b4959f4SRob Clark "CRTC_ID", DRM_MODE_OBJECT_CRTC); 15626b4959f4SRob Clark if (!prop) 15636b4959f4SRob Clark return -ENOMEM; 15646b4959f4SRob Clark dev->mode_config.prop_crtc_id = prop; 15659922ab5aSRob Clark 1566eab3bbefSDaniel Vetter prop = drm_property_create_bool(dev, DRM_MODE_PROP_ATOMIC, 1567eab3bbefSDaniel Vetter "ACTIVE"); 1568eab3bbefSDaniel Vetter if (!prop) 1569eab3bbefSDaniel Vetter return -ENOMEM; 1570eab3bbefSDaniel Vetter dev->mode_config.prop_active = prop; 1571eab3bbefSDaniel Vetter 1572955f3c33SDaniel Stone prop = drm_property_create(dev, 1573955f3c33SDaniel Stone DRM_MODE_PROP_ATOMIC | DRM_MODE_PROP_BLOB, 1574955f3c33SDaniel Stone "MODE_ID", 0); 1575955f3c33SDaniel Stone if (!prop) 1576955f3c33SDaniel Stone return -ENOMEM; 1577955f3c33SDaniel Stone dev->mode_config.prop_mode_id = prop; 1578955f3c33SDaniel Stone 15795488dc16SLionel Landwerlin prop = drm_property_create(dev, 15805488dc16SLionel Landwerlin DRM_MODE_PROP_BLOB, 15815488dc16SLionel Landwerlin "DEGAMMA_LUT", 0); 15825488dc16SLionel Landwerlin if (!prop) 15835488dc16SLionel Landwerlin return -ENOMEM; 15845488dc16SLionel Landwerlin dev->mode_config.degamma_lut_property = prop; 15855488dc16SLionel Landwerlin 15865488dc16SLionel Landwerlin prop = drm_property_create_range(dev, 15875488dc16SLionel Landwerlin DRM_MODE_PROP_IMMUTABLE, 15885488dc16SLionel Landwerlin "DEGAMMA_LUT_SIZE", 0, UINT_MAX); 15895488dc16SLionel Landwerlin if (!prop) 15905488dc16SLionel Landwerlin return -ENOMEM; 15915488dc16SLionel Landwerlin dev->mode_config.degamma_lut_size_property = prop; 15925488dc16SLionel Landwerlin 15935488dc16SLionel Landwerlin prop = drm_property_create(dev, 15945488dc16SLionel Landwerlin DRM_MODE_PROP_BLOB, 15955488dc16SLionel Landwerlin "CTM", 0); 15965488dc16SLionel Landwerlin if (!prop) 15975488dc16SLionel Landwerlin return -ENOMEM; 15985488dc16SLionel Landwerlin dev->mode_config.ctm_property = prop; 15995488dc16SLionel Landwerlin 16005488dc16SLionel Landwerlin prop = drm_property_create(dev, 16015488dc16SLionel Landwerlin DRM_MODE_PROP_BLOB, 16025488dc16SLionel Landwerlin "GAMMA_LUT", 0); 16035488dc16SLionel Landwerlin if (!prop) 16045488dc16SLionel Landwerlin return -ENOMEM; 16055488dc16SLionel Landwerlin dev->mode_config.gamma_lut_property = prop; 16065488dc16SLionel Landwerlin 16075488dc16SLionel Landwerlin prop = drm_property_create_range(dev, 16085488dc16SLionel Landwerlin DRM_MODE_PROP_IMMUTABLE, 16095488dc16SLionel Landwerlin "GAMMA_LUT_SIZE", 0, UINT_MAX); 16105488dc16SLionel Landwerlin if (!prop) 16115488dc16SLionel Landwerlin return -ENOMEM; 16125488dc16SLionel Landwerlin dev->mode_config.gamma_lut_size_property = prop; 16135488dc16SLionel Landwerlin 16149922ab5aSRob Clark return 0; 16159922ab5aSRob Clark } 16169922ab5aSRob Clark 1617f453ba04SDave Airlie /** 1618f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 1619f453ba04SDave Airlie * @dev: DRM device 1620f453ba04SDave Airlie * 1621f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 1622f453ba04SDave Airlie */ 1623f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 1624f453ba04SDave Airlie { 1625f453ba04SDave Airlie struct drm_property *dvi_i_selector; 1626f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 1627f453ba04SDave Airlie 1628f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 1629f453ba04SDave Airlie return 0; 1630f453ba04SDave Airlie 1631f453ba04SDave Airlie dvi_i_selector = 16324a67d391SSascha Hauer drm_property_create_enum(dev, 0, 1633f453ba04SDave Airlie "select subconnector", 16344a67d391SSascha Hauer drm_dvi_i_select_enum_list, 1635f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 1636f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 1637f453ba04SDave Airlie 16384a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1639f453ba04SDave Airlie "subconnector", 16404a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 1641f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 1642f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 1643f453ba04SDave Airlie 1644f453ba04SDave Airlie return 0; 1645f453ba04SDave Airlie } 1646f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 1647f453ba04SDave Airlie 1648f453ba04SDave Airlie /** 1649f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 1650f453ba04SDave Airlie * @dev: DRM device 1651f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 1652f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 1653f453ba04SDave Airlie * 1654f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 1655f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 1656f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 1657f453ba04SDave Airlie * this routine. 1658f453ba04SDave Airlie */ 16592f763312SThierry Reding int drm_mode_create_tv_properties(struct drm_device *dev, 16602f763312SThierry Reding unsigned int num_modes, 1661b7c914b3SVille Syrjälä const char * const modes[]) 1662f453ba04SDave Airlie { 1663f453ba04SDave Airlie struct drm_property *tv_selector; 1664f453ba04SDave Airlie struct drm_property *tv_subconnector; 16652f763312SThierry Reding unsigned int i; 1666f453ba04SDave Airlie 1667f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 1668f453ba04SDave Airlie return 0; 1669f453ba04SDave Airlie 1670f453ba04SDave Airlie /* 1671f453ba04SDave Airlie * Basic connector properties 1672f453ba04SDave Airlie */ 16734a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 1674f453ba04SDave Airlie "select subconnector", 16754a67d391SSascha Hauer drm_tv_select_enum_list, 1676f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 167748aa1e74SInsu Yun if (!tv_selector) 167848aa1e74SInsu Yun goto nomem; 167948aa1e74SInsu Yun 1680f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 1681f453ba04SDave Airlie 1682f453ba04SDave Airlie tv_subconnector = 16834a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 16844a67d391SSascha Hauer "subconnector", 16854a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1686f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 168748aa1e74SInsu Yun if (!tv_subconnector) 168848aa1e74SInsu Yun goto nomem; 1689f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1690f453ba04SDave Airlie 1691f453ba04SDave Airlie /* 1692f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1693f453ba04SDave Airlie */ 1694f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1695d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 169648aa1e74SInsu Yun if (!dev->mode_config.tv_left_margin_property) 169748aa1e74SInsu Yun goto nomem; 1698f453ba04SDave Airlie 1699f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1700d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 170148aa1e74SInsu Yun if (!dev->mode_config.tv_right_margin_property) 170248aa1e74SInsu Yun goto nomem; 1703f453ba04SDave Airlie 1704f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1705d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 170648aa1e74SInsu Yun if (!dev->mode_config.tv_top_margin_property) 170748aa1e74SInsu Yun goto nomem; 1708f453ba04SDave Airlie 1709f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1710d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 171148aa1e74SInsu Yun if (!dev->mode_config.tv_bottom_margin_property) 171248aa1e74SInsu Yun goto nomem; 1713f453ba04SDave Airlie 1714f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1715f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1716f453ba04SDave Airlie "mode", num_modes); 171748aa1e74SInsu Yun if (!dev->mode_config.tv_mode_property) 171848aa1e74SInsu Yun goto nomem; 171948aa1e74SInsu Yun 1720f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1721f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1722f453ba04SDave Airlie i, modes[i]); 1723f453ba04SDave Airlie 1724b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1725d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 172648aa1e74SInsu Yun if (!dev->mode_config.tv_brightness_property) 172748aa1e74SInsu Yun goto nomem; 1728b6b7902eSFrancisco Jerez 1729b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1730d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 173148aa1e74SInsu Yun if (!dev->mode_config.tv_contrast_property) 173248aa1e74SInsu Yun goto nomem; 1733b6b7902eSFrancisco Jerez 1734b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1735d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 173648aa1e74SInsu Yun if (!dev->mode_config.tv_flicker_reduction_property) 173748aa1e74SInsu Yun goto nomem; 1738b6b7902eSFrancisco Jerez 1739a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1740d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 174148aa1e74SInsu Yun if (!dev->mode_config.tv_overscan_property) 174248aa1e74SInsu Yun goto nomem; 1743a75f0236SFrancisco Jerez 1744a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1745d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 174648aa1e74SInsu Yun if (!dev->mode_config.tv_saturation_property) 174748aa1e74SInsu Yun goto nomem; 1748a75f0236SFrancisco Jerez 1749a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1750d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 175148aa1e74SInsu Yun if (!dev->mode_config.tv_hue_property) 175248aa1e74SInsu Yun goto nomem; 1753a75f0236SFrancisco Jerez 1754f453ba04SDave Airlie return 0; 175548aa1e74SInsu Yun nomem: 175648aa1e74SInsu Yun return -ENOMEM; 1757f453ba04SDave Airlie } 1758f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1759f453ba04SDave Airlie 1760f453ba04SDave Airlie /** 1761f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1762f453ba04SDave Airlie * @dev: DRM device 1763f453ba04SDave Airlie * 1764f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1765f453ba04SDave Airlie * connectors. 1766f453ba04SDave Airlie */ 1767f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1768f453ba04SDave Airlie { 1769f453ba04SDave Airlie struct drm_property *scaling_mode; 1770f453ba04SDave Airlie 1771f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1772f453ba04SDave Airlie return 0; 1773f453ba04SDave Airlie 1774f453ba04SDave Airlie scaling_mode = 17754a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 17764a67d391SSascha Hauer drm_scaling_mode_enum_list, 1777f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1778f453ba04SDave Airlie 1779f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1780f453ba04SDave Airlie 1781f453ba04SDave Airlie return 0; 1782f453ba04SDave Airlie } 1783f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1784f453ba04SDave Airlie 1785f453ba04SDave Airlie /** 1786ff587e45SVandana Kannan * drm_mode_create_aspect_ratio_property - create aspect ratio property 1787ff587e45SVandana Kannan * @dev: DRM device 1788ff587e45SVandana Kannan * 1789ff587e45SVandana Kannan * Called by a driver the first time it's needed, must be attached to desired 1790ff587e45SVandana Kannan * connectors. 1791ff587e45SVandana Kannan * 1792ff587e45SVandana Kannan * Returns: 17931a498633SDaniel Vetter * Zero on success, negative errno on failure. 1794ff587e45SVandana Kannan */ 1795ff587e45SVandana Kannan int drm_mode_create_aspect_ratio_property(struct drm_device *dev) 1796ff587e45SVandana Kannan { 1797ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property) 1798ff587e45SVandana Kannan return 0; 1799ff587e45SVandana Kannan 1800ff587e45SVandana Kannan dev->mode_config.aspect_ratio_property = 1801ff587e45SVandana Kannan drm_property_create_enum(dev, 0, "aspect ratio", 1802ff587e45SVandana Kannan drm_aspect_ratio_enum_list, 1803ff587e45SVandana Kannan ARRAY_SIZE(drm_aspect_ratio_enum_list)); 1804ff587e45SVandana Kannan 1805ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property == NULL) 1806ff587e45SVandana Kannan return -ENOMEM; 1807ff587e45SVandana Kannan 1808ff587e45SVandana Kannan return 0; 1809ff587e45SVandana Kannan } 1810ff587e45SVandana Kannan EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); 1811ff587e45SVandana Kannan 1812ff587e45SVandana Kannan /** 1813884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1814884840aaSJakob Bornecrantz * @dev: DRM device 1815884840aaSJakob Bornecrantz * 1816884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1817884840aaSJakob Bornecrantz * connectors. 1818884840aaSJakob Bornecrantz */ 1819884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1820884840aaSJakob Bornecrantz { 1821884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1822884840aaSJakob Bornecrantz 1823884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1824884840aaSJakob Bornecrantz return 0; 1825884840aaSJakob Bornecrantz 1826884840aaSJakob Bornecrantz dirty_info = 18274a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1828884840aaSJakob Bornecrantz "dirty", 18294a67d391SSascha Hauer drm_dirty_info_enum_list, 1830884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1831884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1832884840aaSJakob Bornecrantz 1833884840aaSJakob Bornecrantz return 0; 1834884840aaSJakob Bornecrantz } 1835884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1836884840aaSJakob Bornecrantz 18375bb2bbf5SDave Airlie /** 18385bb2bbf5SDave Airlie * drm_mode_create_suggested_offset_properties - create suggests offset properties 18395bb2bbf5SDave Airlie * @dev: DRM device 18405bb2bbf5SDave Airlie * 18415bb2bbf5SDave Airlie * Create the the suggested x/y offset property for connectors. 18425bb2bbf5SDave Airlie */ 18435bb2bbf5SDave Airlie int drm_mode_create_suggested_offset_properties(struct drm_device *dev) 18445bb2bbf5SDave Airlie { 18455bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property) 18465bb2bbf5SDave Airlie return 0; 18475bb2bbf5SDave Airlie 18485bb2bbf5SDave Airlie dev->mode_config.suggested_x_property = 18495bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff); 18505bb2bbf5SDave Airlie 18515bb2bbf5SDave Airlie dev->mode_config.suggested_y_property = 18525bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff); 18535bb2bbf5SDave Airlie 18545bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property == NULL || 18555bb2bbf5SDave Airlie dev->mode_config.suggested_y_property == NULL) 18565bb2bbf5SDave Airlie return -ENOMEM; 18575bb2bbf5SDave Airlie return 0; 18585bb2bbf5SDave Airlie } 18595bb2bbf5SDave Airlie EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties); 18605bb2bbf5SDave Airlie 1861f453ba04SDave Airlie /** 1862f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1863065a50edSDaniel Vetter * @dev: drm device for the ioctl 1864065a50edSDaniel Vetter * @data: data pointer for the ioctl 1865065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1866f453ba04SDave Airlie * 1867f453ba04SDave Airlie * Construct a set of configuration description structures and return 1868f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1869f453ba04SDave Airlie * 1870f453ba04SDave Airlie * Called by the user via ioctl. 1871f453ba04SDave Airlie * 1872c8e32cc1SDaniel Vetter * Returns: 18731a498633SDaniel Vetter * Zero on success, negative errno on failure. 1874f453ba04SDave Airlie */ 1875f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1876f453ba04SDave Airlie struct drm_file *file_priv) 1877f453ba04SDave Airlie { 1878f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1879f453ba04SDave Airlie struct list_head *lh; 1880f453ba04SDave Airlie struct drm_framebuffer *fb; 1881f453ba04SDave Airlie struct drm_connector *connector; 1882f453ba04SDave Airlie struct drm_crtc *crtc; 1883f453ba04SDave Airlie struct drm_encoder *encoder; 1884f453ba04SDave Airlie int ret = 0; 1885f453ba04SDave Airlie int connector_count = 0; 1886f453ba04SDave Airlie int crtc_count = 0; 1887f453ba04SDave Airlie int fb_count = 0; 1888f453ba04SDave Airlie int encoder_count = 0; 18899c7060f7SDaniel Vetter int copied = 0; 1890f453ba04SDave Airlie uint32_t __user *fb_id; 1891f453ba04SDave Airlie uint32_t __user *crtc_id; 1892f453ba04SDave Airlie uint32_t __user *connector_id; 1893f453ba04SDave Airlie uint32_t __user *encoder_id; 1894f453ba04SDave Airlie 1895fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1896fb3b06c8SDave Airlie return -EINVAL; 1897fb3b06c8SDave Airlie 1898f453ba04SDave Airlie 18994b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1900f453ba04SDave Airlie /* 1901f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1902f453ba04SDave Airlie * by IDs in the group list for this node 1903f453ba04SDave Airlie */ 1904f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1905f453ba04SDave Airlie fb_count++; 1906f453ba04SDave Airlie 19074b096ac1SDaniel Vetter /* handle this in 4 parts */ 19084b096ac1SDaniel Vetter /* FBs */ 19094b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 19104b096ac1SDaniel Vetter copied = 0; 19114b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 19124b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 19134b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 19144b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 19154b096ac1SDaniel Vetter return -EFAULT; 19164b096ac1SDaniel Vetter } 19174b096ac1SDaniel Vetter copied++; 19184b096ac1SDaniel Vetter } 19194b096ac1SDaniel Vetter } 19204b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 19214b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 19224b096ac1SDaniel Vetter 1923fcf93f69SDaniel Vetter /* mode_config.mutex protects the connector list against e.g. DP MST 1924fcf93f69SDaniel Vetter * connector hot-adding. CRTC/Plane lists are invariant. */ 1925fcf93f69SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 1926e4f62546SDaniel Vetter drm_for_each_crtc(crtc, dev) 1927f453ba04SDave Airlie crtc_count++; 1928f453ba04SDave Airlie 19299a9f5ce8SDaniel Vetter drm_for_each_connector(connector, dev) 1930f453ba04SDave Airlie connector_count++; 1931f453ba04SDave Airlie 1932e4f62546SDaniel Vetter drm_for_each_encoder(encoder, dev) 1933f453ba04SDave Airlie encoder_count++; 1934f453ba04SDave Airlie 1935f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1936f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1937f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1938f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1939f453ba04SDave Airlie 1940f453ba04SDave Airlie /* CRTCs */ 1941f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1942f453ba04SDave Airlie copied = 0; 1943f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 19446295d607SDaniel Vetter drm_for_each_crtc(crtc, dev) { 1945fa3ab4c2SVille Syrjälä DRM_DEBUG_KMS("[CRTC:%d:%s]\n", 1946fa3ab4c2SVille Syrjälä crtc->base.id, crtc->name); 1947f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1948f453ba04SDave Airlie ret = -EFAULT; 1949f453ba04SDave Airlie goto out; 1950f453ba04SDave Airlie } 1951f453ba04SDave Airlie copied++; 1952f453ba04SDave Airlie } 1953f453ba04SDave Airlie } 1954f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1955f453ba04SDave Airlie 1956f453ba04SDave Airlie /* Encoders */ 1957f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1958f453ba04SDave Airlie copied = 0; 1959f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 19606295d607SDaniel Vetter drm_for_each_encoder(encoder, dev) { 19619440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 196283a8cfd3SJani Nikula encoder->name); 1963f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1964f453ba04SDave Airlie copied)) { 1965f453ba04SDave Airlie ret = -EFAULT; 1966f453ba04SDave Airlie goto out; 1967f453ba04SDave Airlie } 1968f453ba04SDave Airlie copied++; 1969f453ba04SDave Airlie } 1970f453ba04SDave Airlie } 1971f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1972f453ba04SDave Airlie 1973f453ba04SDave Airlie /* Connectors */ 1974f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1975f453ba04SDave Airlie copied = 0; 1976f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 19776295d607SDaniel Vetter drm_for_each_connector(connector, dev) { 19789440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 19799440106bSJerome Glisse connector->base.id, 198025933820SJani Nikula connector->name); 1981f453ba04SDave Airlie if (put_user(connector->base.id, 1982f453ba04SDave Airlie connector_id + copied)) { 1983f453ba04SDave Airlie ret = -EFAULT; 1984f453ba04SDave Airlie goto out; 1985f453ba04SDave Airlie } 1986f453ba04SDave Airlie copied++; 1987f453ba04SDave Airlie } 1988f453ba04SDave Airlie } 1989f453ba04SDave Airlie card_res->count_connectors = connector_count; 1990f453ba04SDave Airlie 19919440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1992f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1993f453ba04SDave Airlie 1994f453ba04SDave Airlie out: 1995fcf93f69SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 1996f453ba04SDave Airlie return ret; 1997f453ba04SDave Airlie } 1998f453ba04SDave Airlie 1999f453ba04SDave Airlie /** 2000f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 2001065a50edSDaniel Vetter * @dev: drm device for the ioctl 2002065a50edSDaniel Vetter * @data: data pointer for the ioctl 2003065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2004f453ba04SDave Airlie * 2005f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 2006f453ba04SDave Airlie * 2007f453ba04SDave Airlie * Called by the user via ioctl. 2008f453ba04SDave Airlie * 2009c8e32cc1SDaniel Vetter * Returns: 20101a498633SDaniel Vetter * Zero on success, negative errno on failure. 2011f453ba04SDave Airlie */ 2012f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 2013f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2014f453ba04SDave Airlie { 2015f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 2016f453ba04SDave Airlie struct drm_crtc *crtc; 2017f453ba04SDave Airlie 2018fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2019fb3b06c8SDave Airlie return -EINVAL; 2020fb3b06c8SDave Airlie 2021a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_resp->crtc_id); 2022fcf93f69SDaniel Vetter if (!crtc) 2023fcf93f69SDaniel Vetter return -ENOENT; 2024f453ba04SDave Airlie 2025fcf93f69SDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 2026f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 2027f4510a27SMatt Roper if (crtc->primary->fb) 2028f4510a27SMatt Roper crtc_resp->fb_id = crtc->primary->fb->base.id; 2029f453ba04SDave Airlie else 2030f453ba04SDave Airlie crtc_resp->fb_id = 0; 2031f453ba04SDave Airlie 203231c946e8SDaniel Vetter if (crtc->state) { 203331c946e8SDaniel Vetter crtc_resp->x = crtc->primary->state->src_x >> 16; 203431c946e8SDaniel Vetter crtc_resp->y = crtc->primary->state->src_y >> 16; 203531c946e8SDaniel Vetter if (crtc->state->enable) { 2036934a8a89SDaniel Stone drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); 203731c946e8SDaniel Vetter crtc_resp->mode_valid = 1; 2038f453ba04SDave Airlie 203931c946e8SDaniel Vetter } else { 204031c946e8SDaniel Vetter crtc_resp->mode_valid = 0; 204131c946e8SDaniel Vetter } 204231c946e8SDaniel Vetter } else { 204331c946e8SDaniel Vetter crtc_resp->x = crtc->x; 204431c946e8SDaniel Vetter crtc_resp->y = crtc->y; 204531c946e8SDaniel Vetter if (crtc->enabled) { 2046934a8a89SDaniel Stone drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->mode); 2047f453ba04SDave Airlie crtc_resp->mode_valid = 1; 2048f453ba04SDave Airlie 2049f453ba04SDave Airlie } else { 2050f453ba04SDave Airlie crtc_resp->mode_valid = 0; 2051f453ba04SDave Airlie } 205231c946e8SDaniel Vetter } 2053fcf93f69SDaniel Vetter drm_modeset_unlock_crtc(crtc); 2054f453ba04SDave Airlie 2055baf698b0SDaniel Vetter return 0; 2056f453ba04SDave Airlie } 2057f453ba04SDave Airlie 205861d8e328SDamien Lespiau static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, 205961d8e328SDamien Lespiau const struct drm_file *file_priv) 206061d8e328SDamien Lespiau { 206161d8e328SDamien Lespiau /* 206261d8e328SDamien Lespiau * If user-space hasn't configured the driver to expose the stereo 3D 206361d8e328SDamien Lespiau * modes, don't expose them. 206461d8e328SDamien Lespiau */ 206561d8e328SDamien Lespiau if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) 206661d8e328SDamien Lespiau return false; 206761d8e328SDamien Lespiau 206861d8e328SDamien Lespiau return true; 206961d8e328SDamien Lespiau } 207061d8e328SDamien Lespiau 2071abd69c55SDaniel Vetter static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector) 2072abd69c55SDaniel Vetter { 2073abd69c55SDaniel Vetter /* For atomic drivers only state objects are synchronously updated and 2074abd69c55SDaniel Vetter * protected by modeset locks, so check those first. */ 2075abd69c55SDaniel Vetter if (connector->state) 2076abd69c55SDaniel Vetter return connector->state->best_encoder; 2077abd69c55SDaniel Vetter return connector->encoder; 2078abd69c55SDaniel Vetter } 2079abd69c55SDaniel Vetter 208095cbf110SRob Clark /* helper for getconnector and getproperties ioctls */ 208188a48e29SRob Clark static int get_properties(struct drm_mode_object *obj, bool atomic, 208295cbf110SRob Clark uint32_t __user *prop_ptr, uint64_t __user *prop_values, 208395cbf110SRob Clark uint32_t *arg_count_props) 208495cbf110SRob Clark { 208588a48e29SRob Clark int props_count; 208688a48e29SRob Clark int i, ret, copied; 208788a48e29SRob Clark 208888a48e29SRob Clark props_count = obj->properties->count; 208988a48e29SRob Clark if (!atomic) 209088a48e29SRob Clark props_count -= obj->properties->atomic_count; 209195cbf110SRob Clark 209295cbf110SRob Clark if ((*arg_count_props >= props_count) && props_count) { 209388a48e29SRob Clark for (i = 0, copied = 0; copied < props_count; i++) { 209495cbf110SRob Clark struct drm_property *prop = obj->properties->properties[i]; 209595cbf110SRob Clark uint64_t val; 209695cbf110SRob Clark 209788a48e29SRob Clark if ((prop->flags & DRM_MODE_PROP_ATOMIC) && !atomic) 209888a48e29SRob Clark continue; 209988a48e29SRob Clark 210095cbf110SRob Clark ret = drm_object_property_get_value(obj, prop, &val); 210195cbf110SRob Clark if (ret) 210295cbf110SRob Clark return ret; 210395cbf110SRob Clark 210495cbf110SRob Clark if (put_user(prop->base.id, prop_ptr + copied)) 210595cbf110SRob Clark return -EFAULT; 210695cbf110SRob Clark 210795cbf110SRob Clark if (put_user(val, prop_values + copied)) 210895cbf110SRob Clark return -EFAULT; 210995cbf110SRob Clark 211095cbf110SRob Clark copied++; 211195cbf110SRob Clark } 211295cbf110SRob Clark } 211395cbf110SRob Clark *arg_count_props = props_count; 211495cbf110SRob Clark 211595cbf110SRob Clark return 0; 211695cbf110SRob Clark } 211795cbf110SRob Clark 2118f453ba04SDave Airlie /** 2119f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 2120065a50edSDaniel Vetter * @dev: drm device for the ioctl 2121065a50edSDaniel Vetter * @data: data pointer for the ioctl 2122065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2123f453ba04SDave Airlie * 2124f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 2125f453ba04SDave Airlie * 2126f453ba04SDave Airlie * Called by the user via ioctl. 2127f453ba04SDave Airlie * 2128c8e32cc1SDaniel Vetter * Returns: 21291a498633SDaniel Vetter * Zero on success, negative errno on failure. 2130f453ba04SDave Airlie */ 2131f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 2132f453ba04SDave Airlie struct drm_file *file_priv) 2133f453ba04SDave Airlie { 2134f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 2135f453ba04SDave Airlie struct drm_connector *connector; 2136abd69c55SDaniel Vetter struct drm_encoder *encoder; 2137f453ba04SDave Airlie struct drm_display_mode *mode; 2138f453ba04SDave Airlie int mode_count = 0; 2139f453ba04SDave Airlie int encoders_count = 0; 2140f453ba04SDave Airlie int ret = 0; 2141f453ba04SDave Airlie int copied = 0; 2142f453ba04SDave Airlie int i; 2143f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 2144f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 2145f453ba04SDave Airlie uint32_t __user *encoder_ptr; 2146f453ba04SDave Airlie 2147fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2148fb3b06c8SDave Airlie return -EINVAL; 2149fb3b06c8SDave Airlie 2150f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 2151f453ba04SDave Airlie 21529440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 2153f453ba04SDave Airlie 21547b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 2155f453ba04SDave Airlie 2156a2b34e22SRob Clark connector = drm_connector_find(dev, out_resp->connector_id); 2157a2b34e22SRob Clark if (!connector) { 2158f27657f2SVille Syrjälä ret = -ENOENT; 215904bdf441STommi Rantala goto out_unlock; 2160f453ba04SDave Airlie } 2161f453ba04SDave Airlie 216201073b08SThierry Reding for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) 216301073b08SThierry Reding if (connector->encoder_ids[i] != 0) 2164f453ba04SDave Airlie encoders_count++; 2165f453ba04SDave Airlie 2166f453ba04SDave Airlie if (out_resp->count_modes == 0) { 2167f453ba04SDave Airlie connector->funcs->fill_modes(connector, 2168f453ba04SDave Airlie dev->mode_config.max_width, 2169f453ba04SDave Airlie dev->mode_config.max_height); 2170f453ba04SDave Airlie } 2171f453ba04SDave Airlie 2172f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 2173f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 217461d8e328SDamien Lespiau if (drm_mode_expose_to_userspace(mode, file_priv)) 2175f453ba04SDave Airlie mode_count++; 2176f453ba04SDave Airlie 2177f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 2178f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 2179f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 2180f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 2181f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 2182f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 2183f453ba04SDave Airlie out_resp->connection = connector->status; 21842caa80e7SDaniel Vetter 21852caa80e7SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2186abd69c55SDaniel Vetter encoder = drm_connector_get_encoder(connector); 2187abd69c55SDaniel Vetter if (encoder) 2188abd69c55SDaniel Vetter out_resp->encoder_id = encoder->base.id; 2189f453ba04SDave Airlie else 2190f453ba04SDave Airlie out_resp->encoder_id = 0; 2191f453ba04SDave Airlie 2192f453ba04SDave Airlie /* 2193f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 2194f453ba04SDave Airlie * needed, and the 2nd time to fill it. 2195f453ba04SDave Airlie */ 2196f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 2197f453ba04SDave Airlie copied = 0; 219881f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 2199f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 220061d8e328SDamien Lespiau if (!drm_mode_expose_to_userspace(mode, file_priv)) 220161d8e328SDamien Lespiau continue; 220261d8e328SDamien Lespiau 2203934a8a89SDaniel Stone drm_mode_convert_to_umode(&u_mode, mode); 2204f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 2205f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 2206f453ba04SDave Airlie ret = -EFAULT; 2207f453ba04SDave Airlie goto out; 2208f453ba04SDave Airlie } 2209f453ba04SDave Airlie copied++; 2210f453ba04SDave Airlie } 2211f453ba04SDave Airlie } 2212f453ba04SDave Airlie out_resp->count_modes = mode_count; 2213f453ba04SDave Airlie 221488a48e29SRob Clark ret = get_properties(&connector->base, file_priv->atomic, 221595cbf110SRob Clark (uint32_t __user *)(unsigned long)(out_resp->props_ptr), 221695cbf110SRob Clark (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), 221795cbf110SRob Clark &out_resp->count_props); 221822b8b13bSRob Clark if (ret) 2219f453ba04SDave Airlie goto out; 2220f453ba04SDave Airlie 2221f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 2222f453ba04SDave Airlie copied = 0; 222381f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 2224f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2225f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 2226f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 2227f453ba04SDave Airlie encoder_ptr + copied)) { 2228f453ba04SDave Airlie ret = -EFAULT; 2229f453ba04SDave Airlie goto out; 2230f453ba04SDave Airlie } 2231f453ba04SDave Airlie copied++; 2232f453ba04SDave Airlie } 2233f453ba04SDave Airlie } 2234f453ba04SDave Airlie } 2235f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 2236f453ba04SDave Airlie 2237f453ba04SDave Airlie out: 2238ccfc0865SRob Clark drm_modeset_unlock(&dev->mode_config.connection_mutex); 223904bdf441STommi Rantala 224004bdf441STommi Rantala out_unlock: 22417b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 22427b24056bSDaniel Vetter 2243f453ba04SDave Airlie return ret; 2244f453ba04SDave Airlie } 2245f453ba04SDave Airlie 2246abd69c55SDaniel Vetter static struct drm_crtc *drm_encoder_get_crtc(struct drm_encoder *encoder) 2247abd69c55SDaniel Vetter { 2248abd69c55SDaniel Vetter struct drm_connector *connector; 2249abd69c55SDaniel Vetter struct drm_device *dev = encoder->dev; 2250abd69c55SDaniel Vetter bool uses_atomic = false; 2251abd69c55SDaniel Vetter 2252abd69c55SDaniel Vetter /* For atomic drivers only state objects are synchronously updated and 2253abd69c55SDaniel Vetter * protected by modeset locks, so check those first. */ 22546295d607SDaniel Vetter drm_for_each_connector(connector, dev) { 2255abd69c55SDaniel Vetter if (!connector->state) 2256abd69c55SDaniel Vetter continue; 2257abd69c55SDaniel Vetter 2258abd69c55SDaniel Vetter uses_atomic = true; 2259abd69c55SDaniel Vetter 2260abd69c55SDaniel Vetter if (connector->state->best_encoder != encoder) 2261abd69c55SDaniel Vetter continue; 2262abd69c55SDaniel Vetter 2263abd69c55SDaniel Vetter return connector->state->crtc; 2264abd69c55SDaniel Vetter } 2265abd69c55SDaniel Vetter 2266abd69c55SDaniel Vetter /* Don't return stale data (e.g. pending async disable). */ 2267abd69c55SDaniel Vetter if (uses_atomic) 2268abd69c55SDaniel Vetter return NULL; 2269abd69c55SDaniel Vetter 2270abd69c55SDaniel Vetter return encoder->crtc; 2271abd69c55SDaniel Vetter } 2272abd69c55SDaniel Vetter 2273c8e32cc1SDaniel Vetter /** 2274c8e32cc1SDaniel Vetter * drm_mode_getencoder - get encoder configuration 2275c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2276c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2277c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2278c8e32cc1SDaniel Vetter * 2279c8e32cc1SDaniel Vetter * Construct a encoder configuration structure to return to the user. 2280c8e32cc1SDaniel Vetter * 2281c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2282c8e32cc1SDaniel Vetter * 2283c8e32cc1SDaniel Vetter * Returns: 22841a498633SDaniel Vetter * Zero on success, negative errno on failure. 2285c8e32cc1SDaniel Vetter */ 2286f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 2287f453ba04SDave Airlie struct drm_file *file_priv) 2288f453ba04SDave Airlie { 2289f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 2290f453ba04SDave Airlie struct drm_encoder *encoder; 2291abd69c55SDaniel Vetter struct drm_crtc *crtc; 2292f453ba04SDave Airlie 2293fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2294fb3b06c8SDave Airlie return -EINVAL; 2295fb3b06c8SDave Airlie 2296a2b34e22SRob Clark encoder = drm_encoder_find(dev, enc_resp->encoder_id); 2297fcf93f69SDaniel Vetter if (!encoder) 2298fcf93f69SDaniel Vetter return -ENOENT; 2299f453ba04SDave Airlie 2300fcf93f69SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2301abd69c55SDaniel Vetter crtc = drm_encoder_get_crtc(encoder); 2302abd69c55SDaniel Vetter if (crtc) 2303abd69c55SDaniel Vetter enc_resp->crtc_id = crtc->base.id; 2304f453ba04SDave Airlie else 2305f453ba04SDave Airlie enc_resp->crtc_id = 0; 2306fcf93f69SDaniel Vetter drm_modeset_unlock(&dev->mode_config.connection_mutex); 2307fcf93f69SDaniel Vetter 2308f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 2309f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 2310f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 2311f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 2312f453ba04SDave Airlie 2313baf698b0SDaniel Vetter return 0; 2314f453ba04SDave Airlie } 2315f453ba04SDave Airlie 2316f453ba04SDave Airlie /** 2317c8e32cc1SDaniel Vetter * drm_mode_getplane_res - enumerate all plane resources 23188cf5c917SJesse Barnes * @dev: DRM device 23198cf5c917SJesse Barnes * @data: ioctl data 23208cf5c917SJesse Barnes * @file_priv: DRM file info 23218cf5c917SJesse Barnes * 2322c8e32cc1SDaniel Vetter * Construct a list of plane ids to return to the user. 2323c8e32cc1SDaniel Vetter * 2324c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2325c8e32cc1SDaniel Vetter * 2326c8e32cc1SDaniel Vetter * Returns: 23271a498633SDaniel Vetter * Zero on success, negative errno on failure. 23288cf5c917SJesse Barnes */ 23298cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 23308cf5c917SJesse Barnes struct drm_file *file_priv) 23318cf5c917SJesse Barnes { 23328cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 23338cf5c917SJesse Barnes struct drm_mode_config *config; 23348cf5c917SJesse Barnes struct drm_plane *plane; 23358cf5c917SJesse Barnes uint32_t __user *plane_ptr; 2336fcf93f69SDaniel Vetter int copied = 0; 2337681e7ec7SMatt Roper unsigned num_planes; 23388cf5c917SJesse Barnes 23398cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 23408cf5c917SJesse Barnes return -EINVAL; 23418cf5c917SJesse Barnes 23428cf5c917SJesse Barnes config = &dev->mode_config; 23438cf5c917SJesse Barnes 2344681e7ec7SMatt Roper if (file_priv->universal_planes) 2345681e7ec7SMatt Roper num_planes = config->num_total_plane; 2346681e7ec7SMatt Roper else 2347681e7ec7SMatt Roper num_planes = config->num_overlay_plane; 2348681e7ec7SMatt Roper 23498cf5c917SJesse Barnes /* 23508cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 23518cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 23528cf5c917SJesse Barnes */ 2353681e7ec7SMatt Roper if (num_planes && 2354681e7ec7SMatt Roper (plane_resp->count_planes >= num_planes)) { 235581f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 23568cf5c917SJesse Barnes 2357fcf93f69SDaniel Vetter /* Plane lists are invariant, no locking needed. */ 2358e4f62546SDaniel Vetter drm_for_each_plane(plane, dev) { 2359681e7ec7SMatt Roper /* 2360681e7ec7SMatt Roper * Unless userspace set the 'universal planes' 2361681e7ec7SMatt Roper * capability bit, only advertise overlays. 2362681e7ec7SMatt Roper */ 2363681e7ec7SMatt Roper if (plane->type != DRM_PLANE_TYPE_OVERLAY && 2364681e7ec7SMatt Roper !file_priv->universal_planes) 2365e27dde3eSMatt Roper continue; 2366e27dde3eSMatt Roper 2367fcf93f69SDaniel Vetter if (put_user(plane->base.id, plane_ptr + copied)) 2368fcf93f69SDaniel Vetter return -EFAULT; 23698cf5c917SJesse Barnes copied++; 23708cf5c917SJesse Barnes } 23718cf5c917SJesse Barnes } 2372681e7ec7SMatt Roper plane_resp->count_planes = num_planes; 23738cf5c917SJesse Barnes 2374fcf93f69SDaniel Vetter return 0; 23758cf5c917SJesse Barnes } 23768cf5c917SJesse Barnes 23778cf5c917SJesse Barnes /** 2378c8e32cc1SDaniel Vetter * drm_mode_getplane - get plane configuration 23798cf5c917SJesse Barnes * @dev: DRM device 23808cf5c917SJesse Barnes * @data: ioctl data 23818cf5c917SJesse Barnes * @file_priv: DRM file info 23828cf5c917SJesse Barnes * 2383c8e32cc1SDaniel Vetter * Construct a plane configuration structure to return to the user. 2384c8e32cc1SDaniel Vetter * 2385c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2386c8e32cc1SDaniel Vetter * 2387c8e32cc1SDaniel Vetter * Returns: 23881a498633SDaniel Vetter * Zero on success, negative errno on failure. 23898cf5c917SJesse Barnes */ 23908cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 23918cf5c917SJesse Barnes struct drm_file *file_priv) 23928cf5c917SJesse Barnes { 23938cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 23948cf5c917SJesse Barnes struct drm_plane *plane; 23958cf5c917SJesse Barnes uint32_t __user *format_ptr; 23968cf5c917SJesse Barnes 23978cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 23988cf5c917SJesse Barnes return -EINVAL; 23998cf5c917SJesse Barnes 2400a2b34e22SRob Clark plane = drm_plane_find(dev, plane_resp->plane_id); 2401fcf93f69SDaniel Vetter if (!plane) 2402fcf93f69SDaniel Vetter return -ENOENT; 24038cf5c917SJesse Barnes 2404fcf93f69SDaniel Vetter drm_modeset_lock(&plane->mutex, NULL); 24058cf5c917SJesse Barnes if (plane->crtc) 24068cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 24078cf5c917SJesse Barnes else 24088cf5c917SJesse Barnes plane_resp->crtc_id = 0; 24098cf5c917SJesse Barnes 24108cf5c917SJesse Barnes if (plane->fb) 24118cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 24128cf5c917SJesse Barnes else 24138cf5c917SJesse Barnes plane_resp->fb_id = 0; 2414fcf93f69SDaniel Vetter drm_modeset_unlock(&plane->mutex); 24158cf5c917SJesse Barnes 24168cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 24178cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 2418778ad903SVille Syrjälä plane_resp->gamma_size = 0; 24198cf5c917SJesse Barnes 24208cf5c917SJesse Barnes /* 24218cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 24228cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 24238cf5c917SJesse Barnes */ 24248cf5c917SJesse Barnes if (plane->format_count && 24258cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 242681f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 24278cf5c917SJesse Barnes if (copy_to_user(format_ptr, 24288cf5c917SJesse Barnes plane->format_types, 24298cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 2430fcf93f69SDaniel Vetter return -EFAULT; 24318cf5c917SJesse Barnes } 24328cf5c917SJesse Barnes } 24338cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 24348cf5c917SJesse Barnes 2435baf698b0SDaniel Vetter return 0; 24368cf5c917SJesse Barnes } 24378cf5c917SJesse Barnes 2438ead8610dSLaurent Pinchart /** 2439ead8610dSLaurent Pinchart * drm_plane_check_pixel_format - Check if the plane supports the pixel format 2440ead8610dSLaurent Pinchart * @plane: plane to check for format support 2441ead8610dSLaurent Pinchart * @format: the pixel format 2442ead8610dSLaurent Pinchart * 2443ead8610dSLaurent Pinchart * Returns: 2444ead8610dSLaurent Pinchart * Zero of @plane has @format in its list of supported pixel formats, -EINVAL 2445ead8610dSLaurent Pinchart * otherwise. 2446ead8610dSLaurent Pinchart */ 2447ead8610dSLaurent Pinchart int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format) 2448ead8610dSLaurent Pinchart { 2449ead8610dSLaurent Pinchart unsigned int i; 2450ead8610dSLaurent Pinchart 2451ead8610dSLaurent Pinchart for (i = 0; i < plane->format_count; i++) { 2452ead8610dSLaurent Pinchart if (format == plane->format_types[i]) 2453ead8610dSLaurent Pinchart return 0; 2454ead8610dSLaurent Pinchart } 2455ead8610dSLaurent Pinchart 2456ead8610dSLaurent Pinchart return -EINVAL; 2457ead8610dSLaurent Pinchart } 2458ead8610dSLaurent Pinchart 2459ce8d9eccSVille Syrjälä static int check_src_coords(uint32_t src_x, uint32_t src_y, 2460ce8d9eccSVille Syrjälä uint32_t src_w, uint32_t src_h, 2461ce8d9eccSVille Syrjälä const struct drm_framebuffer *fb) 2462ce8d9eccSVille Syrjälä { 2463ce8d9eccSVille Syrjälä unsigned int fb_width, fb_height; 2464ce8d9eccSVille Syrjälä 2465ce8d9eccSVille Syrjälä fb_width = fb->width << 16; 2466ce8d9eccSVille Syrjälä fb_height = fb->height << 16; 2467ce8d9eccSVille Syrjälä 2468ce8d9eccSVille Syrjälä /* Make sure source coordinates are inside the fb. */ 2469ce8d9eccSVille Syrjälä if (src_w > fb_width || 2470ce8d9eccSVille Syrjälä src_x > fb_width - src_w || 2471ce8d9eccSVille Syrjälä src_h > fb_height || 2472ce8d9eccSVille Syrjälä src_y > fb_height - src_h) { 2473ce8d9eccSVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 2474ce8d9eccSVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 2475ce8d9eccSVille Syrjälä src_w >> 16, ((src_w & 0xffff) * 15625) >> 10, 2476ce8d9eccSVille Syrjälä src_h >> 16, ((src_h & 0xffff) * 15625) >> 10, 2477ce8d9eccSVille Syrjälä src_x >> 16, ((src_x & 0xffff) * 15625) >> 10, 2478ce8d9eccSVille Syrjälä src_y >> 16, ((src_y & 0xffff) * 15625) >> 10); 2479ce8d9eccSVille Syrjälä return -ENOSPC; 2480ce8d9eccSVille Syrjälä } 2481ce8d9eccSVille Syrjälä 2482ce8d9eccSVille Syrjälä return 0; 2483ce8d9eccSVille Syrjälä } 2484ce8d9eccSVille Syrjälä 2485b36552b3SMatt Roper /* 2486b36552b3SMatt Roper * setplane_internal - setplane handler for internal callers 24878cf5c917SJesse Barnes * 2488b36552b3SMatt Roper * Note that we assume an extra reference has already been taken on fb. If the 2489b36552b3SMatt Roper * update fails, this reference will be dropped before return; if it succeeds, 2490b36552b3SMatt Roper * the previous framebuffer (if any) will be unreferenced instead. 2491c8e32cc1SDaniel Vetter * 2492b36552b3SMatt Roper * src_{x,y,w,h} are provided in 16.16 fixed point format 24938cf5c917SJesse Barnes */ 2494f2b50c11SDaniel Vetter static int __setplane_internal(struct drm_plane *plane, 249517cfd91fSChris Wilson struct drm_crtc *crtc, 2496b36552b3SMatt Roper struct drm_framebuffer *fb, 2497b36552b3SMatt Roper int32_t crtc_x, int32_t crtc_y, 2498b36552b3SMatt Roper uint32_t crtc_w, uint32_t crtc_h, 2499b36552b3SMatt Roper /* src_{x,y,w,h} values are 16.16 fixed point */ 2500b36552b3SMatt Roper uint32_t src_x, uint32_t src_y, 2501b36552b3SMatt Roper uint32_t src_w, uint32_t src_h) 25028cf5c917SJesse Barnes { 25038cf5c917SJesse Barnes int ret = 0; 25048cf5c917SJesse Barnes 25058cf5c917SJesse Barnes /* No fb means shut it down */ 2506b36552b3SMatt Roper if (!fb) { 25073d30a59bSDaniel Vetter plane->old_fb = plane->fb; 2508731cce48SDaniel Vetter ret = plane->funcs->disable_plane(plane); 2509731cce48SDaniel Vetter if (!ret) { 2510e5e3b44cSVille Syrjälä plane->crtc = NULL; 2511e5e3b44cSVille Syrjälä plane->fb = NULL; 2512731cce48SDaniel Vetter } else { 25133d30a59bSDaniel Vetter plane->old_fb = NULL; 2514731cce48SDaniel Vetter } 25158cf5c917SJesse Barnes goto out; 25168cf5c917SJesse Barnes } 25178cf5c917SJesse Barnes 25187f994f3fSMatt Roper /* Check whether this plane is usable on this CRTC */ 25197f994f3fSMatt Roper if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { 25207f994f3fSMatt Roper DRM_DEBUG_KMS("Invalid crtc for plane\n"); 25217f994f3fSMatt Roper ret = -EINVAL; 25227f994f3fSMatt Roper goto out; 25237f994f3fSMatt Roper } 25247f994f3fSMatt Roper 252562443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 2526ead8610dSLaurent Pinchart ret = drm_plane_check_pixel_format(plane, fb->pixel_format); 2527ead8610dSLaurent Pinchart if (ret) { 25286ba6d03eSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s\n", 25296ba6d03eSVille Syrjälä drm_get_format_name(fb->pixel_format)); 253062443be6SVille Syrjälä goto out; 253162443be6SVille Syrjälä } 253262443be6SVille Syrjälä 25333968be94SMatt Roper /* Give drivers some help against integer overflows */ 25343968be94SMatt Roper if (crtc_w > INT_MAX || 25353968be94SMatt Roper crtc_x > INT_MAX - (int32_t) crtc_w || 25363968be94SMatt Roper crtc_h > INT_MAX || 25373968be94SMatt Roper crtc_y > INT_MAX - (int32_t) crtc_h) { 25383968be94SMatt Roper DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 25393968be94SMatt Roper crtc_w, crtc_h, crtc_x, crtc_y); 2540c390eed0SVille Syrjälä ret = -ERANGE; 254142ef8789SVille Syrjälä goto out; 254242ef8789SVille Syrjälä } 254342ef8789SVille Syrjälä 2544ce8d9eccSVille Syrjälä ret = check_src_coords(src_x, src_y, src_w, src_h, fb); 2545ce8d9eccSVille Syrjälä if (ret) 2546f453ba04SDave Airlie goto out; 2547f453ba04SDave Airlie 25483d30a59bSDaniel Vetter plane->old_fb = plane->fb; 2549f453ba04SDave Airlie ret = plane->funcs->update_plane(plane, crtc, fb, 2550b36552b3SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2551b36552b3SMatt Roper src_x, src_y, src_w, src_h); 2552f453ba04SDave Airlie if (!ret) { 2553f453ba04SDave Airlie plane->crtc = crtc; 2554f453ba04SDave Airlie plane->fb = fb; 255535f8badcSDaniel Vetter fb = NULL; 25560fe27f06SDaniel Vetter } else { 25573d30a59bSDaniel Vetter plane->old_fb = NULL; 2558f453ba04SDave Airlie } 2559f453ba04SDave Airlie 2560f453ba04SDave Airlie out: 25616c2a7532SDaniel Vetter if (fb) 25626c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 25633d30a59bSDaniel Vetter if (plane->old_fb) 25643d30a59bSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 25653d30a59bSDaniel Vetter plane->old_fb = NULL; 2566f453ba04SDave Airlie 2567f453ba04SDave Airlie return ret; 2568f2b50c11SDaniel Vetter } 2569b36552b3SMatt Roper 2570f2b50c11SDaniel Vetter static int setplane_internal(struct drm_plane *plane, 2571f2b50c11SDaniel Vetter struct drm_crtc *crtc, 2572f2b50c11SDaniel Vetter struct drm_framebuffer *fb, 2573f2b50c11SDaniel Vetter int32_t crtc_x, int32_t crtc_y, 2574f2b50c11SDaniel Vetter uint32_t crtc_w, uint32_t crtc_h, 2575f2b50c11SDaniel Vetter /* src_{x,y,w,h} values are 16.16 fixed point */ 2576f2b50c11SDaniel Vetter uint32_t src_x, uint32_t src_y, 2577f2b50c11SDaniel Vetter uint32_t src_w, uint32_t src_h) 2578f2b50c11SDaniel Vetter { 2579f2b50c11SDaniel Vetter int ret; 2580f2b50c11SDaniel Vetter 2581f2b50c11SDaniel Vetter drm_modeset_lock_all(plane->dev); 2582f2b50c11SDaniel Vetter ret = __setplane_internal(plane, crtc, fb, 2583f2b50c11SDaniel Vetter crtc_x, crtc_y, crtc_w, crtc_h, 2584f2b50c11SDaniel Vetter src_x, src_y, src_w, src_h); 2585f2b50c11SDaniel Vetter drm_modeset_unlock_all(plane->dev); 2586f2b50c11SDaniel Vetter 2587f2b50c11SDaniel Vetter return ret; 2588b36552b3SMatt Roper } 2589b36552b3SMatt Roper 2590b36552b3SMatt Roper /** 2591b36552b3SMatt Roper * drm_mode_setplane - configure a plane's configuration 2592b36552b3SMatt Roper * @dev: DRM device 2593b36552b3SMatt Roper * @data: ioctl data* 2594b36552b3SMatt Roper * @file_priv: DRM file info 2595b36552b3SMatt Roper * 2596b36552b3SMatt Roper * Set plane configuration, including placement, fb, scaling, and other factors. 2597b36552b3SMatt Roper * Or pass a NULL fb to disable (planes may be disabled without providing a 2598b36552b3SMatt Roper * valid crtc). 2599b36552b3SMatt Roper * 2600b36552b3SMatt Roper * Returns: 26011a498633SDaniel Vetter * Zero on success, negative errno on failure. 2602b36552b3SMatt Roper */ 2603b36552b3SMatt Roper int drm_mode_setplane(struct drm_device *dev, void *data, 2604b36552b3SMatt Roper struct drm_file *file_priv) 2605b36552b3SMatt Roper { 2606b36552b3SMatt Roper struct drm_mode_set_plane *plane_req = data; 2607b36552b3SMatt Roper struct drm_plane *plane; 2608b36552b3SMatt Roper struct drm_crtc *crtc = NULL; 2609b36552b3SMatt Roper struct drm_framebuffer *fb = NULL; 2610b36552b3SMatt Roper 2611b36552b3SMatt Roper if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2612b36552b3SMatt Roper return -EINVAL; 2613b36552b3SMatt Roper 2614b36552b3SMatt Roper /* 2615b36552b3SMatt Roper * First, find the plane, crtc, and fb objects. If not available, 2616b36552b3SMatt Roper * we don't bother to call the driver. 2617b36552b3SMatt Roper */ 2618933f622fSRob Clark plane = drm_plane_find(dev, plane_req->plane_id); 2619933f622fSRob Clark if (!plane) { 2620b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown plane ID %d\n", 2621b36552b3SMatt Roper plane_req->plane_id); 2622b36552b3SMatt Roper return -ENOENT; 2623b36552b3SMatt Roper } 2624b36552b3SMatt Roper 2625b36552b3SMatt Roper if (plane_req->fb_id) { 2626b36552b3SMatt Roper fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 2627b36552b3SMatt Roper if (!fb) { 2628b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 2629b36552b3SMatt Roper plane_req->fb_id); 2630b36552b3SMatt Roper return -ENOENT; 2631b36552b3SMatt Roper } 2632b36552b3SMatt Roper 2633933f622fSRob Clark crtc = drm_crtc_find(dev, plane_req->crtc_id); 2634933f622fSRob Clark if (!crtc) { 2635b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown crtc ID %d\n", 2636b36552b3SMatt Roper plane_req->crtc_id); 2637b36552b3SMatt Roper return -ENOENT; 2638b36552b3SMatt Roper } 2639b36552b3SMatt Roper } 2640b36552b3SMatt Roper 2641161d0dc1SMatt Roper /* 2642161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2643161d0dc1SMatt Roper * framebuffer depending on success. 2644161d0dc1SMatt Roper */ 264517cfd91fSChris Wilson return setplane_internal(plane, crtc, fb, 2646b36552b3SMatt Roper plane_req->crtc_x, plane_req->crtc_y, 2647b36552b3SMatt Roper plane_req->crtc_w, plane_req->crtc_h, 2648b36552b3SMatt Roper plane_req->src_x, plane_req->src_y, 2649b36552b3SMatt Roper plane_req->src_w, plane_req->src_h); 2650f453ba04SDave Airlie } 2651f453ba04SDave Airlie 2652f453ba04SDave Airlie /** 26532d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 26542d13b679SDaniel Vetter * @set: modeset config to set 26552d13b679SDaniel Vetter * 26562d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 26572d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 2658c8e32cc1SDaniel Vetter * 2659c8e32cc1SDaniel Vetter * Returns: 26601a498633SDaniel Vetter * Zero on success, negative errno on failure. 26612d13b679SDaniel Vetter */ 26622d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 26632d13b679SDaniel Vetter { 26642d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 26655cef29aaSDaniel Vetter struct drm_framebuffer *fb; 26665cef29aaSDaniel Vetter struct drm_crtc *tmp; 2667b0d12325SDaniel Vetter int ret; 26682d13b679SDaniel Vetter 26695cef29aaSDaniel Vetter /* 26705cef29aaSDaniel Vetter * NOTE: ->set_config can also disable other crtcs (if we steal all 26715cef29aaSDaniel Vetter * connectors from it), hence we need to refcount the fbs across all 26725cef29aaSDaniel Vetter * crtcs. Atomic modeset will have saner semantics ... 26735cef29aaSDaniel Vetter */ 2674e4f62546SDaniel Vetter drm_for_each_crtc(tmp, crtc->dev) 26753d30a59bSDaniel Vetter tmp->primary->old_fb = tmp->primary->fb; 26765cef29aaSDaniel Vetter 2677b0d12325SDaniel Vetter fb = set->fb; 2678b0d12325SDaniel Vetter 2679b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 2680b0d12325SDaniel Vetter if (ret == 0) { 2681e13161afSMatt Roper crtc->primary->crtc = crtc; 26820fe27f06SDaniel Vetter crtc->primary->fb = fb; 26835cef29aaSDaniel Vetter } 2684cc85e121SDaniel Vetter 2685e4f62546SDaniel Vetter drm_for_each_crtc(tmp, crtc->dev) { 2686f4510a27SMatt Roper if (tmp->primary->fb) 2687f4510a27SMatt Roper drm_framebuffer_reference(tmp->primary->fb); 26883d30a59bSDaniel Vetter if (tmp->primary->old_fb) 26893d30a59bSDaniel Vetter drm_framebuffer_unreference(tmp->primary->old_fb); 26903d30a59bSDaniel Vetter tmp->primary->old_fb = NULL; 2691b0d12325SDaniel Vetter } 2692b0d12325SDaniel Vetter 2693b0d12325SDaniel Vetter return ret; 26942d13b679SDaniel Vetter } 26952d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 26962d13b679SDaniel Vetter 2697af93629dSMatt Roper /** 2698ecb7e16bSGustavo Padovan * drm_crtc_get_hv_timing - Fetches hdisplay/vdisplay for given mode 2699ecb7e16bSGustavo Padovan * @mode: mode to query 2700ecb7e16bSGustavo Padovan * @hdisplay: hdisplay value to fill in 2701ecb7e16bSGustavo Padovan * @vdisplay: vdisplay value to fill in 2702ecb7e16bSGustavo Padovan * 2703ecb7e16bSGustavo Padovan * The vdisplay value will be doubled if the specified mode is a stereo mode of 2704ecb7e16bSGustavo Padovan * the appropriate layout. 2705ecb7e16bSGustavo Padovan */ 2706ecb7e16bSGustavo Padovan void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, 2707ecb7e16bSGustavo Padovan int *hdisplay, int *vdisplay) 2708ecb7e16bSGustavo Padovan { 2709ecb7e16bSGustavo Padovan struct drm_display_mode adjusted; 2710ecb7e16bSGustavo Padovan 2711ecb7e16bSGustavo Padovan drm_mode_copy(&adjusted, mode); 2712ecb7e16bSGustavo Padovan drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY); 2713ecb7e16bSGustavo Padovan *hdisplay = adjusted.crtc_hdisplay; 2714ecb7e16bSGustavo Padovan *vdisplay = adjusted.crtc_vdisplay; 2715ecb7e16bSGustavo Padovan } 2716ecb7e16bSGustavo Padovan EXPORT_SYMBOL(drm_crtc_get_hv_timing); 2717ecb7e16bSGustavo Padovan 2718ecb7e16bSGustavo Padovan /** 2719af93629dSMatt Roper * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the 2720af93629dSMatt Roper * CRTC viewport 2721af93629dSMatt Roper * @crtc: CRTC that framebuffer will be displayed on 2722af93629dSMatt Roper * @x: x panning 2723af93629dSMatt Roper * @y: y panning 2724af93629dSMatt Roper * @mode: mode that framebuffer will be displayed under 2725af93629dSMatt Roper * @fb: framebuffer to check size of 2726c11e9283SDamien Lespiau */ 2727af93629dSMatt Roper int drm_crtc_check_viewport(const struct drm_crtc *crtc, 2728c11e9283SDamien Lespiau int x, int y, 2729c11e9283SDamien Lespiau const struct drm_display_mode *mode, 2730c11e9283SDamien Lespiau const struct drm_framebuffer *fb) 2731c11e9283SDamien Lespiau 2732c11e9283SDamien Lespiau { 2733c11e9283SDamien Lespiau int hdisplay, vdisplay; 2734c11e9283SDamien Lespiau 2735ecb7e16bSGustavo Padovan drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); 2736a0c1bbb0SDamien Lespiau 273733e0be63SVille Syrjälä if (crtc->state && 273833e0be63SVille Syrjälä crtc->primary->state->rotation & (BIT(DRM_ROTATE_90) | 273933e0be63SVille Syrjälä BIT(DRM_ROTATE_270))) 2740c11e9283SDamien Lespiau swap(hdisplay, vdisplay); 2741c11e9283SDamien Lespiau 2742ce8d9eccSVille Syrjälä return check_src_coords(x << 16, y << 16, 2743ce8d9eccSVille Syrjälä hdisplay << 16, vdisplay << 16, fb); 2744c11e9283SDamien Lespiau } 2745af93629dSMatt Roper EXPORT_SYMBOL(drm_crtc_check_viewport); 2746c11e9283SDamien Lespiau 27472d13b679SDaniel Vetter /** 2748f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 2749065a50edSDaniel Vetter * @dev: drm device for the ioctl 2750065a50edSDaniel Vetter * @data: data pointer for the ioctl 2751065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2752f453ba04SDave Airlie * 2753f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 2754f453ba04SDave Airlie * 2755f453ba04SDave Airlie * Called by the user via ioctl. 2756f453ba04SDave Airlie * 2757c8e32cc1SDaniel Vetter * Returns: 27581a498633SDaniel Vetter * Zero on success, negative errno on failure. 2759f453ba04SDave Airlie */ 2760f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 2761f453ba04SDave Airlie struct drm_file *file_priv) 2762f453ba04SDave Airlie { 2763f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2764f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 27656653cc8dSVille Syrjälä struct drm_crtc *crtc; 2766f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 2767f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2768f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 2769f453ba04SDave Airlie struct drm_mode_set set; 2770f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 27714a1b0714SLaurent Pinchart int ret; 2772f453ba04SDave Airlie int i; 2773f453ba04SDave Airlie 2774fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2775fb3b06c8SDave Airlie return -EINVAL; 2776fb3b06c8SDave Airlie 277701447e9fSZhao Junwang /* 277801447e9fSZhao Junwang * Universal plane src offsets are only 16.16, prevent havoc for 277901447e9fSZhao Junwang * drivers using universal plane code internally. 278001447e9fSZhao Junwang */ 278101447e9fSZhao Junwang if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) 27821d97e915SVille Syrjälä return -ERANGE; 27831d97e915SVille Syrjälä 278484849903SDaniel Vetter drm_modeset_lock_all(dev); 2785a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_req->crtc_id); 2786a2b34e22SRob Clark if (!crtc) { 278758367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 2788f27657f2SVille Syrjälä ret = -ENOENT; 2789f453ba04SDave Airlie goto out; 2790f453ba04SDave Airlie } 2791fa3ab4c2SVille Syrjälä DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); 2792f453ba04SDave Airlie 2793f453ba04SDave Airlie if (crtc_req->mode_valid) { 2794f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 2795f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 2796f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 2797f4510a27SMatt Roper if (!crtc->primary->fb) { 27986653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 27996653cc8dSVille Syrjälä ret = -EINVAL; 28006653cc8dSVille Syrjälä goto out; 28016653cc8dSVille Syrjälä } 2802f4510a27SMatt Roper fb = crtc->primary->fb; 2803b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 2804b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 2805f453ba04SDave Airlie } else { 2806786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 2807786b99edSDaniel Vetter if (!fb) { 280858367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 280958367ed6SZhao Yakui crtc_req->fb_id); 281037c4e705SVille Syrjälä ret = -ENOENT; 2811f453ba04SDave Airlie goto out; 2812f453ba04SDave Airlie } 2813f453ba04SDave Airlie } 2814f453ba04SDave Airlie 2815f453ba04SDave Airlie mode = drm_mode_create(dev); 2816ee34ab5bSVille Syrjälä if (!mode) { 2817ee34ab5bSVille Syrjälä ret = -ENOMEM; 2818ee34ab5bSVille Syrjälä goto out; 2819ee34ab5bSVille Syrjälä } 2820ee34ab5bSVille Syrjälä 2821934a8a89SDaniel Stone ret = drm_mode_convert_umode(mode, &crtc_req->mode); 282290367bf6SVille Syrjälä if (ret) { 282390367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 282490367bf6SVille Syrjälä goto out; 282590367bf6SVille Syrjälä } 282690367bf6SVille Syrjälä 2827f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 28285f61bb42SVille Syrjälä 28297eb5f302SLaurent Pinchart /* 28307eb5f302SLaurent Pinchart * Check whether the primary plane supports the fb pixel format. 28317eb5f302SLaurent Pinchart * Drivers not implementing the universal planes API use a 28327eb5f302SLaurent Pinchart * default formats list provided by the DRM core which doesn't 28337eb5f302SLaurent Pinchart * match real hardware capabilities. Skip the check in that 28347eb5f302SLaurent Pinchart * case. 28357eb5f302SLaurent Pinchart */ 28367eb5f302SLaurent Pinchart if (!crtc->primary->format_default) { 28377eb5f302SLaurent Pinchart ret = drm_plane_check_pixel_format(crtc->primary, 28387eb5f302SLaurent Pinchart fb->pixel_format); 28397eb5f302SLaurent Pinchart if (ret) { 28407eb5f302SLaurent Pinchart DRM_DEBUG_KMS("Invalid pixel format %s\n", 28417eb5f302SLaurent Pinchart drm_get_format_name(fb->pixel_format)); 28427eb5f302SLaurent Pinchart goto out; 28437eb5f302SLaurent Pinchart } 28447eb5f302SLaurent Pinchart } 28457eb5f302SLaurent Pinchart 2846c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, 2847c11e9283SDamien Lespiau mode, fb); 2848c11e9283SDamien Lespiau if (ret) 28495f61bb42SVille Syrjälä goto out; 2850c11e9283SDamien Lespiau 2851f453ba04SDave Airlie } 2852f453ba04SDave Airlie 2853f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 285458367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2855f453ba04SDave Airlie ret = -EINVAL; 2856f453ba04SDave Airlie goto out; 2857f453ba04SDave Airlie } 2858f453ba04SDave Airlie 28597781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 286058367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2861f453ba04SDave Airlie crtc_req->count_connectors); 2862f453ba04SDave Airlie ret = -EINVAL; 2863f453ba04SDave Airlie goto out; 2864f453ba04SDave Airlie } 2865f453ba04SDave Airlie 2866f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2867f453ba04SDave Airlie u32 out_id; 2868f453ba04SDave Airlie 2869f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2870f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2871f453ba04SDave Airlie ret = -EINVAL; 2872f453ba04SDave Airlie goto out; 2873f453ba04SDave Airlie } 2874f453ba04SDave Airlie 28752f6c5389SThierry Reding connector_set = kmalloc_array(crtc_req->count_connectors, 2876f453ba04SDave Airlie sizeof(struct drm_connector *), 2877f453ba04SDave Airlie GFP_KERNEL); 2878f453ba04SDave Airlie if (!connector_set) { 2879f453ba04SDave Airlie ret = -ENOMEM; 2880f453ba04SDave Airlie goto out; 2881f453ba04SDave Airlie } 2882f453ba04SDave Airlie 2883f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 288481f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2885f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2886f453ba04SDave Airlie ret = -EFAULT; 2887f453ba04SDave Airlie goto out; 2888f453ba04SDave Airlie } 2889f453ba04SDave Airlie 2890a2b34e22SRob Clark connector = drm_connector_find(dev, out_id); 2891a2b34e22SRob Clark if (!connector) { 289258367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 289358367ed6SZhao Yakui out_id); 2894f27657f2SVille Syrjälä ret = -ENOENT; 2895f453ba04SDave Airlie goto out; 2896f453ba04SDave Airlie } 28979440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 28989440106bSJerome Glisse connector->base.id, 289925933820SJani Nikula connector->name); 2900f453ba04SDave Airlie 2901f453ba04SDave Airlie connector_set[i] = connector; 2902f453ba04SDave Airlie } 2903f453ba04SDave Airlie } 2904f453ba04SDave Airlie 2905f453ba04SDave Airlie set.crtc = crtc; 2906f453ba04SDave Airlie set.x = crtc_req->x; 2907f453ba04SDave Airlie set.y = crtc_req->y; 2908f453ba04SDave Airlie set.mode = mode; 2909f453ba04SDave Airlie set.connectors = connector_set; 2910f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2911f453ba04SDave Airlie set.fb = fb; 29122d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2913f453ba04SDave Airlie 2914f453ba04SDave Airlie out: 2915b0d12325SDaniel Vetter if (fb) 2916b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2917b0d12325SDaniel Vetter 2918f453ba04SDave Airlie kfree(connector_set); 2919ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 292084849903SDaniel Vetter drm_modeset_unlock_all(dev); 2921f453ba04SDave Airlie return ret; 2922f453ba04SDave Airlie } 2923f453ba04SDave Airlie 2924161d0dc1SMatt Roper /** 2925161d0dc1SMatt Roper * drm_mode_cursor_universal - translate legacy cursor ioctl call into a 2926161d0dc1SMatt Roper * universal plane handler call 2927161d0dc1SMatt Roper * @crtc: crtc to update cursor for 2928161d0dc1SMatt Roper * @req: data pointer for the ioctl 2929161d0dc1SMatt Roper * @file_priv: drm file for the ioctl call 2930161d0dc1SMatt Roper * 2931161d0dc1SMatt Roper * Legacy cursor ioctl's work directly with driver buffer handles. To 2932161d0dc1SMatt Roper * translate legacy ioctl calls into universal plane handler calls, we need to 2933161d0dc1SMatt Roper * wrap the native buffer handle in a drm_framebuffer. 2934161d0dc1SMatt Roper * 2935161d0dc1SMatt Roper * Note that we assume any handle passed to the legacy ioctls was a 32-bit ARGB 2936161d0dc1SMatt Roper * buffer with a pitch of 4*width; the universal plane interface should be used 2937161d0dc1SMatt Roper * directly in cases where the hardware can support other buffer settings and 2938161d0dc1SMatt Roper * userspace wants to make use of these capabilities. 2939161d0dc1SMatt Roper * 2940161d0dc1SMatt Roper * Returns: 29411a498633SDaniel Vetter * Zero on success, negative errno on failure. 2942161d0dc1SMatt Roper */ 2943161d0dc1SMatt Roper static int drm_mode_cursor_universal(struct drm_crtc *crtc, 2944161d0dc1SMatt Roper struct drm_mode_cursor2 *req, 2945161d0dc1SMatt Roper struct drm_file *file_priv) 2946161d0dc1SMatt Roper { 2947161d0dc1SMatt Roper struct drm_device *dev = crtc->dev; 2948161d0dc1SMatt Roper struct drm_framebuffer *fb = NULL; 2949161d0dc1SMatt Roper struct drm_mode_fb_cmd2 fbreq = { 2950161d0dc1SMatt Roper .width = req->width, 2951161d0dc1SMatt Roper .height = req->height, 2952161d0dc1SMatt Roper .pixel_format = DRM_FORMAT_ARGB8888, 2953161d0dc1SMatt Roper .pitches = { req->width * 4 }, 2954161d0dc1SMatt Roper .handles = { req->handle }, 2955161d0dc1SMatt Roper }; 2956161d0dc1SMatt Roper int32_t crtc_x, crtc_y; 2957161d0dc1SMatt Roper uint32_t crtc_w = 0, crtc_h = 0; 2958161d0dc1SMatt Roper uint32_t src_w = 0, src_h = 0; 2959161d0dc1SMatt Roper int ret = 0; 2960161d0dc1SMatt Roper 2961161d0dc1SMatt Roper BUG_ON(!crtc->cursor); 2962f2b50c11SDaniel Vetter WARN_ON(crtc->cursor->crtc != crtc && crtc->cursor->crtc != NULL); 2963161d0dc1SMatt Roper 2964161d0dc1SMatt Roper /* 2965161d0dc1SMatt Roper * Obtain fb we'll be using (either new or existing) and take an extra 2966161d0dc1SMatt Roper * reference to it if fb != null. setplane will take care of dropping 2967161d0dc1SMatt Roper * the reference if the plane update fails. 2968161d0dc1SMatt Roper */ 2969161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_BO) { 2970161d0dc1SMatt Roper if (req->handle) { 29719a6f5130SChris Wilson fb = internal_framebuffer_create(dev, &fbreq, file_priv); 2972161d0dc1SMatt Roper if (IS_ERR(fb)) { 2973161d0dc1SMatt Roper DRM_DEBUG_KMS("failed to wrap cursor buffer in drm framebuffer\n"); 2974161d0dc1SMatt Roper return PTR_ERR(fb); 2975161d0dc1SMatt Roper } 2976161d0dc1SMatt Roper } else { 2977161d0dc1SMatt Roper fb = NULL; 2978161d0dc1SMatt Roper } 2979161d0dc1SMatt Roper } else { 2980161d0dc1SMatt Roper fb = crtc->cursor->fb; 2981161d0dc1SMatt Roper if (fb) 2982161d0dc1SMatt Roper drm_framebuffer_reference(fb); 2983161d0dc1SMatt Roper } 2984161d0dc1SMatt Roper 2985161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_MOVE) { 2986161d0dc1SMatt Roper crtc_x = req->x; 2987161d0dc1SMatt Roper crtc_y = req->y; 2988161d0dc1SMatt Roper } else { 2989161d0dc1SMatt Roper crtc_x = crtc->cursor_x; 2990161d0dc1SMatt Roper crtc_y = crtc->cursor_y; 2991161d0dc1SMatt Roper } 2992161d0dc1SMatt Roper 2993161d0dc1SMatt Roper if (fb) { 2994161d0dc1SMatt Roper crtc_w = fb->width; 2995161d0dc1SMatt Roper crtc_h = fb->height; 2996161d0dc1SMatt Roper src_w = fb->width << 16; 2997161d0dc1SMatt Roper src_h = fb->height << 16; 2998161d0dc1SMatt Roper } 2999161d0dc1SMatt Roper 3000161d0dc1SMatt Roper /* 3001161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 3002161d0dc1SMatt Roper * framebuffer depending on success. 3003161d0dc1SMatt Roper */ 3004f2b50c11SDaniel Vetter ret = __setplane_internal(crtc->cursor, crtc, fb, 3005161d0dc1SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 3006161d0dc1SMatt Roper 0, 0, src_w, src_h); 3007161d0dc1SMatt Roper 3008161d0dc1SMatt Roper /* Update successful; save new cursor position, if necessary */ 3009161d0dc1SMatt Roper if (ret == 0 && req->flags & DRM_MODE_CURSOR_MOVE) { 3010161d0dc1SMatt Roper crtc->cursor_x = req->x; 3011161d0dc1SMatt Roper crtc->cursor_y = req->y; 3012161d0dc1SMatt Roper } 3013161d0dc1SMatt Roper 3014161d0dc1SMatt Roper return ret; 3015161d0dc1SMatt Roper } 3016161d0dc1SMatt Roper 30174c813d4dSDave Airlie static int drm_mode_cursor_common(struct drm_device *dev, 30184c813d4dSDave Airlie struct drm_mode_cursor2 *req, 30194c813d4dSDave Airlie struct drm_file *file_priv) 3020f453ba04SDave Airlie { 3021f453ba04SDave Airlie struct drm_crtc *crtc; 3022f453ba04SDave Airlie int ret = 0; 3023f453ba04SDave Airlie 3024fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3025fb3b06c8SDave Airlie return -EINVAL; 3026fb3b06c8SDave Airlie 30277c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 3028f453ba04SDave Airlie return -EINVAL; 3029f453ba04SDave Airlie 3030a2b34e22SRob Clark crtc = drm_crtc_find(dev, req->crtc_id); 3031a2b34e22SRob Clark if (!crtc) { 303258367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 3033f27657f2SVille Syrjälä return -ENOENT; 3034f453ba04SDave Airlie } 3035f453ba04SDave Airlie 3036161d0dc1SMatt Roper /* 3037161d0dc1SMatt Roper * If this crtc has a universal cursor plane, call that plane's update 3038161d0dc1SMatt Roper * handler rather than using legacy cursor handlers. 3039161d0dc1SMatt Roper */ 30404d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->cursor); 3041f2b50c11SDaniel Vetter if (crtc->cursor) { 3042f2b50c11SDaniel Vetter ret = drm_mode_cursor_universal(crtc, req, file_priv); 3043f2b50c11SDaniel Vetter goto out; 3044f2b50c11SDaniel Vetter } 3045f2b50c11SDaniel Vetter 3046f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 30474c813d4dSDave Airlie if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { 3048f453ba04SDave Airlie ret = -ENXIO; 3049f453ba04SDave Airlie goto out; 3050f453ba04SDave Airlie } 3051f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 30524c813d4dSDave Airlie if (crtc->funcs->cursor_set2) 30534c813d4dSDave Airlie ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, 30544c813d4dSDave Airlie req->width, req->height, req->hot_x, req->hot_y); 30554c813d4dSDave Airlie else 3056f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 3057f453ba04SDave Airlie req->width, req->height); 3058f453ba04SDave Airlie } 3059f453ba04SDave Airlie 3060f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 3061f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 3062f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 3063f453ba04SDave Airlie } else { 3064f453ba04SDave Airlie ret = -EFAULT; 3065f453ba04SDave Airlie goto out; 3066f453ba04SDave Airlie } 3067f453ba04SDave Airlie } 3068f453ba04SDave Airlie out: 3069d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 3070dac35663SDaniel Vetter 3071f453ba04SDave Airlie return ret; 30724c813d4dSDave Airlie 30734c813d4dSDave Airlie } 3074c8e32cc1SDaniel Vetter 3075c8e32cc1SDaniel Vetter 3076c8e32cc1SDaniel Vetter /** 3077c8e32cc1SDaniel Vetter * drm_mode_cursor_ioctl - set CRTC's cursor configuration 3078c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3079c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3080c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3081c8e32cc1SDaniel Vetter * 3082c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. 3083c8e32cc1SDaniel Vetter * 3084c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3085c8e32cc1SDaniel Vetter * 3086c8e32cc1SDaniel Vetter * Returns: 30871a498633SDaniel Vetter * Zero on success, negative errno on failure. 3088c8e32cc1SDaniel Vetter */ 30894c813d4dSDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 30904c813d4dSDave Airlie void *data, struct drm_file *file_priv) 30914c813d4dSDave Airlie { 30924c813d4dSDave Airlie struct drm_mode_cursor *req = data; 30934c813d4dSDave Airlie struct drm_mode_cursor2 new_req; 30944c813d4dSDave Airlie 30954c813d4dSDave Airlie memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); 30964c813d4dSDave Airlie new_req.hot_x = new_req.hot_y = 0; 30974c813d4dSDave Airlie 30984c813d4dSDave Airlie return drm_mode_cursor_common(dev, &new_req, file_priv); 30994c813d4dSDave Airlie } 31004c813d4dSDave Airlie 3101c8e32cc1SDaniel Vetter /** 3102c8e32cc1SDaniel Vetter * drm_mode_cursor2_ioctl - set CRTC's cursor configuration 3103c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3104c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3105c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3106c8e32cc1SDaniel Vetter * 3107c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. This implements the 2nd 3108c8e32cc1SDaniel Vetter * version of the cursor ioctl, which allows userspace to additionally specify 3109c8e32cc1SDaniel Vetter * the hotspot of the pointer. 3110c8e32cc1SDaniel Vetter * 3111c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3112c8e32cc1SDaniel Vetter * 3113c8e32cc1SDaniel Vetter * Returns: 31141a498633SDaniel Vetter * Zero on success, negative errno on failure. 3115c8e32cc1SDaniel Vetter */ 31164c813d4dSDave Airlie int drm_mode_cursor2_ioctl(struct drm_device *dev, 31174c813d4dSDave Airlie void *data, struct drm_file *file_priv) 31184c813d4dSDave Airlie { 31194c813d4dSDave Airlie struct drm_mode_cursor2 *req = data; 31204dfd909fSThierry Reding 31214c813d4dSDave Airlie return drm_mode_cursor_common(dev, req, file_priv); 3122f453ba04SDave Airlie } 3123f453ba04SDave Airlie 3124c8e32cc1SDaniel Vetter /** 3125c8e32cc1SDaniel Vetter * drm_mode_legacy_fb_format - compute drm fourcc code from legacy description 3126c8e32cc1SDaniel Vetter * @bpp: bits per pixels 3127c8e32cc1SDaniel Vetter * @depth: bit depth per pixel 3128c8e32cc1SDaniel Vetter * 3129c8e32cc1SDaniel Vetter * Computes a drm fourcc pixel format code for the given @bpp/@depth values. 3130c8e32cc1SDaniel Vetter * Useful in fbdev emulation code, since that deals in those values. 3131c8e32cc1SDaniel Vetter */ 3132308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 3133308e5bcbSJesse Barnes { 3134308e5bcbSJesse Barnes uint32_t fmt; 3135308e5bcbSJesse Barnes 3136308e5bcbSJesse Barnes switch (bpp) { 3137308e5bcbSJesse Barnes case 8: 3138d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 3139308e5bcbSJesse Barnes break; 3140308e5bcbSJesse Barnes case 16: 3141308e5bcbSJesse Barnes if (depth == 15) 314204b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 3143308e5bcbSJesse Barnes else 314404b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 3145308e5bcbSJesse Barnes break; 3146308e5bcbSJesse Barnes case 24: 314704b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 3148308e5bcbSJesse Barnes break; 3149308e5bcbSJesse Barnes case 32: 3150308e5bcbSJesse Barnes if (depth == 24) 315104b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 3152308e5bcbSJesse Barnes else if (depth == 30) 315304b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 3154308e5bcbSJesse Barnes else 315504b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 3156308e5bcbSJesse Barnes break; 3157308e5bcbSJesse Barnes default: 315804b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 315904b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 3160308e5bcbSJesse Barnes break; 3161308e5bcbSJesse Barnes } 3162308e5bcbSJesse Barnes 3163308e5bcbSJesse Barnes return fmt; 3164308e5bcbSJesse Barnes } 3165308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 3166308e5bcbSJesse Barnes 3167f453ba04SDave Airlie /** 3168f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 3169065a50edSDaniel Vetter * @dev: drm device for the ioctl 3170065a50edSDaniel Vetter * @data: data pointer for the ioctl 3171065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3172f453ba04SDave Airlie * 3173c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request. This is the 3174209f5527SChuck Ebbert * original addfb ioctl which only supported RGB formats. 3175f453ba04SDave Airlie * 3176f453ba04SDave Airlie * Called by the user via ioctl. 3177f453ba04SDave Airlie * 3178c8e32cc1SDaniel Vetter * Returns: 31791a498633SDaniel Vetter * Zero on success, negative errno on failure. 3180f453ba04SDave Airlie */ 3181f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 3182f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3183f453ba04SDave Airlie { 3184308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 3185308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 3186228f2cb3SChuck Ebbert int ret; 3187308e5bcbSJesse Barnes 3188228f2cb3SChuck Ebbert /* convert to new format and call new ioctl */ 3189308e5bcbSJesse Barnes r.fb_id = or->fb_id; 3190308e5bcbSJesse Barnes r.width = or->width; 3191308e5bcbSJesse Barnes r.height = or->height; 3192308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 3193308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 3194308e5bcbSJesse Barnes r.handles[0] = or->handle; 3195308e5bcbSJesse Barnes 3196228f2cb3SChuck Ebbert ret = drm_mode_addfb2(dev, &r, file_priv); 3197228f2cb3SChuck Ebbert if (ret) 3198228f2cb3SChuck Ebbert return ret; 3199308e5bcbSJesse Barnes 3200228f2cb3SChuck Ebbert or->fb_id = r.fb_id; 32014b096ac1SDaniel Vetter 3202baf698b0SDaniel Vetter return 0; 3203308e5bcbSJesse Barnes } 3204308e5bcbSJesse Barnes 3205cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 3206935b5977SVille Syrjälä { 3207935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 3208935b5977SVille Syrjälä 3209935b5977SVille Syrjälä switch (format) { 3210935b5977SVille Syrjälä case DRM_FORMAT_C8: 3211935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 3212935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 3213935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 3214935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 3215935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 3216935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 3217935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 3218935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 3219935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 3220935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 3221935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 3222935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 3223935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 3224935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 3225935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 3226935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 3227935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 3228935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 3229935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 3230935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 3231935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 3232935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 3233935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 3234935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 3235935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 3236935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 3237935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 3238935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 3239935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 3240935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 3241935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 3242935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 3243935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 3244935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 3245935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 3246935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 3247935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 3248935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 3249935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 3250935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 3251935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 3252935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 3253935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 3254935b5977SVille Syrjälä case DRM_FORMAT_NV12: 3255935b5977SVille Syrjälä case DRM_FORMAT_NV21: 3256935b5977SVille Syrjälä case DRM_FORMAT_NV16: 3257935b5977SVille Syrjälä case DRM_FORMAT_NV61: 3258ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3259ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3260935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 3261935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 3262935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 3263935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 3264935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 3265935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 3266935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 3267935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 3268935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 3269935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 3270935b5977SVille Syrjälä return 0; 3271935b5977SVille Syrjälä default: 327223c453a4SVille Syrjälä DRM_DEBUG_KMS("invalid pixel format %s\n", 327323c453a4SVille Syrjälä drm_get_format_name(r->pixel_format)); 3274935b5977SVille Syrjälä return -EINVAL; 3275935b5977SVille Syrjälä } 3276935b5977SVille Syrjälä } 3277935b5977SVille Syrjälä 3278cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 3279d1b45d5fSVille Syrjälä { 3280d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 3281d1b45d5fSVille Syrjälä 3282d1b45d5fSVille Syrjälä ret = format_check(r); 3283d1b45d5fSVille Syrjälä if (ret) { 32846ba6d03eSVille Syrjälä DRM_DEBUG_KMS("bad framebuffer format %s\n", 32856ba6d03eSVille Syrjälä drm_get_format_name(r->pixel_format)); 3286d1b45d5fSVille Syrjälä return ret; 3287d1b45d5fSVille Syrjälä } 3288d1b45d5fSVille Syrjälä 3289d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 3290d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 3291d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 3292d1b45d5fSVille Syrjälä 3293d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 3294209f5527SChuck Ebbert DRM_DEBUG_KMS("bad framebuffer width %u\n", r->width); 3295d1b45d5fSVille Syrjälä return -EINVAL; 3296d1b45d5fSVille Syrjälä } 3297d1b45d5fSVille Syrjälä 3298d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 32991aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 3300d1b45d5fSVille Syrjälä return -EINVAL; 3301d1b45d5fSVille Syrjälä } 3302d1b45d5fSVille Syrjälä 3303d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 3304d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 3305b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 3306b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 3307d1b45d5fSVille Syrjälä 3308d1b45d5fSVille Syrjälä if (!r->handles[i]) { 33091aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 3310d1b45d5fSVille Syrjälä return -EINVAL; 3311d1b45d5fSVille Syrjälä } 3312d1b45d5fSVille Syrjälä 3313b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 3314b180b5d1SVille Syrjälä return -ERANGE; 3315b180b5d1SVille Syrjälä 3316b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 3317b180b5d1SVille Syrjälä return -ERANGE; 3318b180b5d1SVille Syrjälä 3319b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 33201aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 3321d1b45d5fSVille Syrjälä return -EINVAL; 3322d1b45d5fSVille Syrjälä } 3323e3eb3250SRob Clark 3324e3eb3250SRob Clark if (r->modifier[i] && !(r->flags & DRM_MODE_FB_MODIFIERS)) { 3325e3eb3250SRob Clark DRM_DEBUG_KMS("bad fb modifier %llu for plane %d\n", 3326e3eb3250SRob Clark r->modifier[i], i); 3327e3eb3250SRob Clark return -EINVAL; 3328e3eb3250SRob Clark } 3329570655b0SRob Clark 3330570655b0SRob Clark /* modifier specific checks: */ 3331570655b0SRob Clark switch (r->modifier[i]) { 3332570655b0SRob Clark case DRM_FORMAT_MOD_SAMSUNG_64_32_TILE: 3333570655b0SRob Clark /* NOTE: the pitch restriction may be lifted later if it turns 3334570655b0SRob Clark * out that no hw has this restriction: 3335570655b0SRob Clark */ 3336570655b0SRob Clark if (r->pixel_format != DRM_FORMAT_NV12 || 3337570655b0SRob Clark width % 128 || height % 32 || 3338570655b0SRob Clark r->pitches[i] % 128) { 3339570655b0SRob Clark DRM_DEBUG_KMS("bad modifier data for plane %d\n", i); 3340570655b0SRob Clark return -EINVAL; 3341570655b0SRob Clark } 3342570655b0SRob Clark break; 3343570655b0SRob Clark 3344570655b0SRob Clark default: 3345570655b0SRob Clark break; 3346570655b0SRob Clark } 3347d1b45d5fSVille Syrjälä } 3348d1b45d5fSVille Syrjälä 3349bbe16a40SDaniel Vetter for (i = num_planes; i < 4; i++) { 3350bbe16a40SDaniel Vetter if (r->modifier[i]) { 3351bbe16a40SDaniel Vetter DRM_DEBUG_KMS("non-zero modifier for unused plane %d\n", i); 3352bbe16a40SDaniel Vetter return -EINVAL; 3353bbe16a40SDaniel Vetter } 3354bbe16a40SDaniel Vetter 3355bbe16a40SDaniel Vetter /* Pre-FB_MODIFIERS userspace didn't clear the structs properly. */ 3356bbe16a40SDaniel Vetter if (!(r->flags & DRM_MODE_FB_MODIFIERS)) 3357bbe16a40SDaniel Vetter continue; 3358bbe16a40SDaniel Vetter 3359bbe16a40SDaniel Vetter if (r->handles[i]) { 3360bbe16a40SDaniel Vetter DRM_DEBUG_KMS("buffer object handle for unused plane %d\n", i); 3361bbe16a40SDaniel Vetter return -EINVAL; 3362bbe16a40SDaniel Vetter } 3363bbe16a40SDaniel Vetter 3364bbe16a40SDaniel Vetter if (r->pitches[i]) { 3365bbe16a40SDaniel Vetter DRM_DEBUG_KMS("non-zero pitch for unused plane %d\n", i); 3366bbe16a40SDaniel Vetter return -EINVAL; 3367bbe16a40SDaniel Vetter } 3368bbe16a40SDaniel Vetter 3369bbe16a40SDaniel Vetter if (r->offsets[i]) { 3370bbe16a40SDaniel Vetter DRM_DEBUG_KMS("non-zero offset for unused plane %d\n", i); 3371bbe16a40SDaniel Vetter return -EINVAL; 3372bbe16a40SDaniel Vetter } 3373bbe16a40SDaniel Vetter } 3374bbe16a40SDaniel Vetter 3375d1b45d5fSVille Syrjälä return 0; 3376d1b45d5fSVille Syrjälä } 3377d1b45d5fSVille Syrjälä 33789a6f5130SChris Wilson static struct drm_framebuffer * 33799a6f5130SChris Wilson internal_framebuffer_create(struct drm_device *dev, 33801eb83451SVille Syrjälä const struct drm_mode_fb_cmd2 *r, 3381c394c2b0SMatt Roper struct drm_file *file_priv) 3382c394c2b0SMatt Roper { 3383c394c2b0SMatt Roper struct drm_mode_config *config = &dev->mode_config; 3384c394c2b0SMatt Roper struct drm_framebuffer *fb; 3385c394c2b0SMatt Roper int ret; 3386c394c2b0SMatt Roper 3387e3eb3250SRob Clark if (r->flags & ~(DRM_MODE_FB_INTERLACED | DRM_MODE_FB_MODIFIERS)) { 3388c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 3389c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3390c394c2b0SMatt Roper } 3391c394c2b0SMatt Roper 3392c394c2b0SMatt Roper if ((config->min_width > r->width) || (r->width > config->max_width)) { 3393c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 3394c394c2b0SMatt Roper r->width, config->min_width, config->max_width); 3395c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3396c394c2b0SMatt Roper } 3397c394c2b0SMatt Roper if ((config->min_height > r->height) || (r->height > config->max_height)) { 3398c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 3399c394c2b0SMatt Roper r->height, config->min_height, config->max_height); 3400c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3401c394c2b0SMatt Roper } 3402c394c2b0SMatt Roper 3403e3eb3250SRob Clark if (r->flags & DRM_MODE_FB_MODIFIERS && 3404e3eb3250SRob Clark !dev->mode_config.allow_fb_modifiers) { 3405e3eb3250SRob Clark DRM_DEBUG_KMS("driver does not support fb modifiers\n"); 3406e3eb3250SRob Clark return ERR_PTR(-EINVAL); 3407e3eb3250SRob Clark } 3408e3eb3250SRob Clark 3409c394c2b0SMatt Roper ret = framebuffer_check(r); 3410c394c2b0SMatt Roper if (ret) 3411c394c2b0SMatt Roper return ERR_PTR(ret); 3412c394c2b0SMatt Roper 3413c394c2b0SMatt Roper fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 3414c394c2b0SMatt Roper if (IS_ERR(fb)) { 3415c394c2b0SMatt Roper DRM_DEBUG_KMS("could not create framebuffer\n"); 3416c394c2b0SMatt Roper return fb; 3417c394c2b0SMatt Roper } 3418c394c2b0SMatt Roper 3419c394c2b0SMatt Roper return fb; 3420c394c2b0SMatt Roper } 3421c394c2b0SMatt Roper 3422308e5bcbSJesse Barnes /** 3423308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 3424065a50edSDaniel Vetter * @dev: drm device for the ioctl 3425065a50edSDaniel Vetter * @data: data pointer for the ioctl 3426065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3427308e5bcbSJesse Barnes * 3428c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request with format. This is 3429c8e32cc1SDaniel Vetter * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers 3430c8e32cc1SDaniel Vetter * and uses fourcc codes as pixel format specifiers. 3431308e5bcbSJesse Barnes * 3432308e5bcbSJesse Barnes * Called by the user via ioctl. 3433308e5bcbSJesse Barnes * 3434c8e32cc1SDaniel Vetter * Returns: 34351a498633SDaniel Vetter * Zero on success, negative errno on failure. 3436308e5bcbSJesse Barnes */ 3437308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 3438308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 3439308e5bcbSJesse Barnes { 34409a6f5130SChris Wilson struct drm_mode_fb_cmd2 *r = data; 3441f453ba04SDave Airlie struct drm_framebuffer *fb; 3442f453ba04SDave Airlie 3443fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3444fb3b06c8SDave Airlie return -EINVAL; 3445fb3b06c8SDave Airlie 34469a6f5130SChris Wilson fb = internal_framebuffer_create(dev, r, file_priv); 3447c394c2b0SMatt Roper if (IS_ERR(fb)) 34484b096ac1SDaniel Vetter return PTR_ERR(fb); 3449f453ba04SDave Airlie 34509a6f5130SChris Wilson DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 34519a6f5130SChris Wilson r->fb_id = fb->base.id; 3452c7e1c59aSDave Airlie 3453c7e1c59aSDave Airlie /* Transfer ownership to the filp for reaping on close */ 3454c7e1c59aSDave Airlie mutex_lock(&file_priv->fbs_lock); 34559a6f5130SChris Wilson list_add(&fb->filp_head, &file_priv->fbs); 34569a6f5130SChris Wilson mutex_unlock(&file_priv->fbs_lock); 34579a6f5130SChris Wilson 3458c394c2b0SMatt Roper return 0; 3459f453ba04SDave Airlie } 3460f453ba04SDave Airlie 3461f453ba04SDave Airlie /** 3462f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 3463065a50edSDaniel Vetter * @dev: drm device for the ioctl 3464065a50edSDaniel Vetter * @data: data pointer for the ioctl 3465065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3466f453ba04SDave Airlie * 3467f453ba04SDave Airlie * Remove the FB specified by the user. 3468f453ba04SDave Airlie * 3469f453ba04SDave Airlie * Called by the user via ioctl. 3470f453ba04SDave Airlie * 3471c8e32cc1SDaniel Vetter * Returns: 34721a498633SDaniel Vetter * Zero on success, negative errno on failure. 3473f453ba04SDave Airlie */ 3474f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 3475f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3476f453ba04SDave Airlie { 3477f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 3478f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 3479f453ba04SDave Airlie uint32_t *id = data; 3480f453ba04SDave Airlie int found = 0; 3481f453ba04SDave Airlie 3482fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3483fb3b06c8SDave Airlie return -EINVAL; 3484fb3b06c8SDave Airlie 348572fe90b8SDave Airlie fb = drm_framebuffer_lookup(dev, *id); 348672fe90b8SDave Airlie if (!fb) 348772fe90b8SDave Airlie return -ENOENT; 348872fe90b8SDave Airlie 34894b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 3490f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 3491f453ba04SDave Airlie if (fb == fbl) 3492f453ba04SDave Airlie found = 1; 349372fe90b8SDave Airlie if (!found) { 349472fe90b8SDave Airlie mutex_unlock(&file_priv->fbs_lock); 349572fe90b8SDave Airlie goto fail_unref; 349672fe90b8SDave Airlie } 34972b677e8cSDaniel Vetter 34984b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 34994b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 3500f453ba04SDave Airlie 350172fe90b8SDave Airlie /* we now own the reference that was stored in the fbs list */ 350272fe90b8SDave Airlie drm_framebuffer_unreference(fb); 350372fe90b8SDave Airlie 350472fe90b8SDave Airlie /* drop the reference we picked up in framebuffer lookup */ 350513803132SMaarten Lankhorst drm_framebuffer_unreference(fb); 35064b096ac1SDaniel Vetter 35072b677e8cSDaniel Vetter return 0; 35082b677e8cSDaniel Vetter 350972fe90b8SDave Airlie fail_unref: 351072fe90b8SDave Airlie drm_framebuffer_unreference(fb); 351137c4e705SVille Syrjälä return -ENOENT; 3512f453ba04SDave Airlie } 3513f453ba04SDave Airlie 3514f453ba04SDave Airlie /** 3515f453ba04SDave Airlie * drm_mode_getfb - get FB info 3516065a50edSDaniel Vetter * @dev: drm device for the ioctl 3517065a50edSDaniel Vetter * @data: data pointer for the ioctl 3518065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3519f453ba04SDave Airlie * 3520f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 3521f453ba04SDave Airlie * 3522f453ba04SDave Airlie * Called by the user via ioctl. 3523f453ba04SDave Airlie * 3524c8e32cc1SDaniel Vetter * Returns: 35251a498633SDaniel Vetter * Zero on success, negative errno on failure. 3526f453ba04SDave Airlie */ 3527f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 3528f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3529f453ba04SDave Airlie { 3530f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 3531f453ba04SDave Airlie struct drm_framebuffer *fb; 353258c0dca1SDaniel Vetter int ret; 3533f453ba04SDave Airlie 3534fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3535fb3b06c8SDave Airlie return -EINVAL; 3536fb3b06c8SDave Airlie 3537786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 353858c0dca1SDaniel Vetter if (!fb) 353937c4e705SVille Syrjälä return -ENOENT; 3540f453ba04SDave Airlie 3541f453ba04SDave Airlie r->height = fb->height; 3542f453ba04SDave Airlie r->width = fb->width; 3543f453ba04SDave Airlie r->depth = fb->depth; 3544f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 354501f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 3546101b96f3SDavid Herrmann if (fb->funcs->create_handle) { 354709f308f7SThomas Hellstrom if (file_priv->is_master || capable(CAP_SYS_ADMIN) || 354843683057SThomas Hellstrom drm_is_control_client(file_priv)) { 3549101b96f3SDavid Herrmann ret = fb->funcs->create_handle(fb, file_priv, 3550101b96f3SDavid Herrmann &r->handle); 3551101b96f3SDavid Herrmann } else { 3552101b96f3SDavid Herrmann /* GET_FB() is an unprivileged ioctl so we must not 3553101b96f3SDavid Herrmann * return a buffer-handle to non-master processes! For 3554101b96f3SDavid Herrmann * backwards-compatibility reasons, we cannot make 3555101b96f3SDavid Herrmann * GET_FB() privileged, so just return an invalid handle 3556101b96f3SDavid Herrmann * for non-masters. */ 3557101b96f3SDavid Herrmann r->handle = 0; 3558101b96f3SDavid Herrmann ret = 0; 3559101b96f3SDavid Herrmann } 3560101b96f3SDavid Herrmann } else { 3561af26ef3bSDaniel Vetter ret = -ENODEV; 3562101b96f3SDavid Herrmann } 3563f453ba04SDave Airlie 356458c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 356558c0dca1SDaniel Vetter 3566f453ba04SDave Airlie return ret; 3567f453ba04SDave Airlie } 3568f453ba04SDave Airlie 3569c8e32cc1SDaniel Vetter /** 3570c8e32cc1SDaniel Vetter * drm_mode_dirtyfb_ioctl - flush frontbuffer rendering on an FB 3571c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3572c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3573c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3574c8e32cc1SDaniel Vetter * 3575c8e32cc1SDaniel Vetter * Lookup the FB and flush out the damaged area supplied by userspace as a clip 3576c8e32cc1SDaniel Vetter * rectangle list. Generic userspace which does frontbuffer rendering must call 3577c8e32cc1SDaniel Vetter * this ioctl to flush out the changes on manual-update display outputs, e.g. 3578c8e32cc1SDaniel Vetter * usb display-link, mipi manual update panels or edp panel self refresh modes. 3579c8e32cc1SDaniel Vetter * 3580c8e32cc1SDaniel Vetter * Modesetting drivers which always update the frontbuffer do not need to 3581c8e32cc1SDaniel Vetter * implement the corresponding ->dirty framebuffer callback. 3582c8e32cc1SDaniel Vetter * 3583c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3584c8e32cc1SDaniel Vetter * 3585c8e32cc1SDaniel Vetter * Returns: 35861a498633SDaniel Vetter * Zero on success, negative errno on failure. 3587c8e32cc1SDaniel Vetter */ 3588884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 3589884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 3590884840aaSJakob Bornecrantz { 3591884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 3592884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 3593884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 3594884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 3595884840aaSJakob Bornecrantz unsigned flags; 3596884840aaSJakob Bornecrantz int num_clips; 35974a1b0714SLaurent Pinchart int ret; 3598884840aaSJakob Bornecrantz 3599fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3600fb3b06c8SDave Airlie return -EINVAL; 3601fb3b06c8SDave Airlie 3602786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 36034ccf097fSDaniel Vetter if (!fb) 360437c4e705SVille Syrjälä return -ENOENT; 3605884840aaSJakob Bornecrantz 3606884840aaSJakob Bornecrantz num_clips = r->num_clips; 360781f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 3608884840aaSJakob Bornecrantz 3609884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 3610884840aaSJakob Bornecrantz ret = -EINVAL; 3611884840aaSJakob Bornecrantz goto out_err1; 3612884840aaSJakob Bornecrantz } 3613884840aaSJakob Bornecrantz 3614884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 3615884840aaSJakob Bornecrantz 3616884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 3617884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 3618884840aaSJakob Bornecrantz ret = -EINVAL; 3619884840aaSJakob Bornecrantz goto out_err1; 3620884840aaSJakob Bornecrantz } 3621884840aaSJakob Bornecrantz 3622884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 3623a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 3624a5cd3351SXi Wang ret = -EINVAL; 3625a5cd3351SXi Wang goto out_err1; 3626a5cd3351SXi Wang } 3627bd3f0ff9SThierry Reding clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); 3628884840aaSJakob Bornecrantz if (!clips) { 3629884840aaSJakob Bornecrantz ret = -ENOMEM; 3630884840aaSJakob Bornecrantz goto out_err1; 3631884840aaSJakob Bornecrantz } 3632884840aaSJakob Bornecrantz 3633884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 3634884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 3635e902a358SDan Carpenter if (ret) { 3636e902a358SDan Carpenter ret = -EFAULT; 3637884840aaSJakob Bornecrantz goto out_err2; 3638884840aaSJakob Bornecrantz } 3639e902a358SDan Carpenter } 3640884840aaSJakob Bornecrantz 3641884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 364202b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 364302b00162SThomas Hellstrom clips, num_clips); 3644884840aaSJakob Bornecrantz } else { 3645884840aaSJakob Bornecrantz ret = -ENOSYS; 3646884840aaSJakob Bornecrantz } 3647884840aaSJakob Bornecrantz 3648884840aaSJakob Bornecrantz out_err2: 3649884840aaSJakob Bornecrantz kfree(clips); 3650884840aaSJakob Bornecrantz out_err1: 36514ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 36524ccf097fSDaniel Vetter 3653884840aaSJakob Bornecrantz return ret; 3654884840aaSJakob Bornecrantz } 3655884840aaSJakob Bornecrantz 3656884840aaSJakob Bornecrantz 3657f453ba04SDave Airlie /** 3658f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 3659065a50edSDaniel Vetter * @priv: drm file for the ioctl 3660f453ba04SDave Airlie * 3661f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 3662f453ba04SDave Airlie * 3663f453ba04SDave Airlie * Called by the user via ioctl. 3664f453ba04SDave Airlie * 3665c8e32cc1SDaniel Vetter * Returns: 36661a498633SDaniel Vetter * Zero on success, negative errno on failure. 3667f453ba04SDave Airlie */ 3668ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 3669f453ba04SDave Airlie { 3670f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 3671f453ba04SDave Airlie 36721b116297SDaniel Vetter /* 36731b116297SDaniel Vetter * When the file gets released that means no one else can access the fb 3674e2db726bSMartin Peres * list any more, so no need to grab fpriv->fbs_lock. And we need to 36751b116297SDaniel Vetter * avoid upsetting lockdep since the universal cursor code adds a 36761b116297SDaniel Vetter * framebuffer while holding mutex locks. 36771b116297SDaniel Vetter * 36781b116297SDaniel Vetter * Note that a real deadlock between fpriv->fbs_lock and the modeset 36791b116297SDaniel Vetter * locks is impossible here since no one else but this function can get 36801b116297SDaniel Vetter * at it any more. 36811b116297SDaniel Vetter */ 3682f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 36834b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 36842b677e8cSDaniel Vetter 368573f7570bSMaarten Lankhorst /* This drops the fpriv->fbs reference. */ 368613803132SMaarten Lankhorst drm_framebuffer_unreference(fb); 3687f453ba04SDave Airlie } 3688f453ba04SDave Airlie } 3689f453ba04SDave Airlie 3690c8e32cc1SDaniel Vetter /** 3691c8e32cc1SDaniel Vetter * drm_property_create - create a new property type 3692c8e32cc1SDaniel Vetter * @dev: drm device 3693c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3694c8e32cc1SDaniel Vetter * @name: name of the property 3695c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3696c8e32cc1SDaniel Vetter * 3697c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3698c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3699c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3700c8e32cc1SDaniel Vetter * 37013b5b9932SDamien Lespiau * Note that the DRM core keeps a per-device list of properties and that, if 37023b5b9932SDamien Lespiau * drm_mode_config_cleanup() is called, it will destroy all properties created 37033b5b9932SDamien Lespiau * by the driver. 37043b5b9932SDamien Lespiau * 3705c8e32cc1SDaniel Vetter * Returns: 3706c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3707c8e32cc1SDaniel Vetter */ 3708f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 3709f453ba04SDave Airlie const char *name, int num_values) 3710f453ba04SDave Airlie { 3711f453ba04SDave Airlie struct drm_property *property = NULL; 37126bfc56aaSVille Syrjälä int ret; 3713f453ba04SDave Airlie 3714f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 3715f453ba04SDave Airlie if (!property) 3716f453ba04SDave Airlie return NULL; 3717f453ba04SDave Airlie 371898f75de4SRob Clark property->dev = dev; 371998f75de4SRob Clark 3720f453ba04SDave Airlie if (num_values) { 3721bd3f0ff9SThierry Reding property->values = kcalloc(num_values, sizeof(uint64_t), 3722bd3f0ff9SThierry Reding GFP_KERNEL); 3723f453ba04SDave Airlie if (!property->values) 3724f453ba04SDave Airlie goto fail; 3725f453ba04SDave Airlie } 3726f453ba04SDave Airlie 37276bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 37286bfc56aaSVille Syrjälä if (ret) 37296bfc56aaSVille Syrjälä goto fail; 37306bfc56aaSVille Syrjälä 3731f453ba04SDave Airlie property->flags = flags; 3732f453ba04SDave Airlie property->num_values = num_values; 37333758b341SDaniel Vetter INIT_LIST_HEAD(&property->enum_list); 3734f453ba04SDave Airlie 3735471dd2efSVinson Lee if (name) { 3736f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 3737471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 3738471dd2efSVinson Lee } 3739f453ba04SDave Airlie 3740f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 37415ea22f24SRob Clark 37425ea22f24SRob Clark WARN_ON(!drm_property_type_valid(property)); 37435ea22f24SRob Clark 3744f453ba04SDave Airlie return property; 3745f453ba04SDave Airlie fail: 37466bfc56aaSVille Syrjälä kfree(property->values); 3747f453ba04SDave Airlie kfree(property); 3748f453ba04SDave Airlie return NULL; 3749f453ba04SDave Airlie } 3750f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 3751f453ba04SDave Airlie 3752c8e32cc1SDaniel Vetter /** 37532aa9d2bcSThierry Reding * drm_property_create_enum - create a new enumeration property type 3754c8e32cc1SDaniel Vetter * @dev: drm device 3755c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3756c8e32cc1SDaniel Vetter * @name: name of the property 3757c8e32cc1SDaniel Vetter * @props: enumeration lists with property values 3758c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3759c8e32cc1SDaniel Vetter * 3760c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3761c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3762c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3763c8e32cc1SDaniel Vetter * 3764c8e32cc1SDaniel Vetter * Userspace is only allowed to set one of the predefined values for enumeration 3765c8e32cc1SDaniel Vetter * properties. 3766c8e32cc1SDaniel Vetter * 3767c8e32cc1SDaniel Vetter * Returns: 3768c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3769c8e32cc1SDaniel Vetter */ 37704a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 37714a67d391SSascha Hauer const char *name, 37724a67d391SSascha Hauer const struct drm_prop_enum_list *props, 37734a67d391SSascha Hauer int num_values) 37744a67d391SSascha Hauer { 37754a67d391SSascha Hauer struct drm_property *property; 37764a67d391SSascha Hauer int i, ret; 37774a67d391SSascha Hauer 37784a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 37794a67d391SSascha Hauer 37804a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 37814a67d391SSascha Hauer if (!property) 37824a67d391SSascha Hauer return NULL; 37834a67d391SSascha Hauer 37844a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 37854a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 37864a67d391SSascha Hauer props[i].type, 37874a67d391SSascha Hauer props[i].name); 37884a67d391SSascha Hauer if (ret) { 37894a67d391SSascha Hauer drm_property_destroy(dev, property); 37904a67d391SSascha Hauer return NULL; 37914a67d391SSascha Hauer } 37924a67d391SSascha Hauer } 37934a67d391SSascha Hauer 37944a67d391SSascha Hauer return property; 37954a67d391SSascha Hauer } 37964a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 37974a67d391SSascha Hauer 3798c8e32cc1SDaniel Vetter /** 37992aa9d2bcSThierry Reding * drm_property_create_bitmask - create a new bitmask property type 3800c8e32cc1SDaniel Vetter * @dev: drm device 3801c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3802c8e32cc1SDaniel Vetter * @name: name of the property 3803c8e32cc1SDaniel Vetter * @props: enumeration lists with property bitflags 3804295ee853SDaniel Vetter * @num_props: size of the @props array 3805295ee853SDaniel Vetter * @supported_bits: bitmask of all supported enumeration values 3806c8e32cc1SDaniel Vetter * 3807295ee853SDaniel Vetter * This creates a new bitmask drm property which can then be attached to a drm 3808c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3809c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3810c8e32cc1SDaniel Vetter * 3811c8e32cc1SDaniel Vetter * Compared to plain enumeration properties userspace is allowed to set any 3812c8e32cc1SDaniel Vetter * or'ed together combination of the predefined property bitflag values 3813c8e32cc1SDaniel Vetter * 3814c8e32cc1SDaniel Vetter * Returns: 3815c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3816c8e32cc1SDaniel Vetter */ 381749e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 381849e27545SRob Clark int flags, const char *name, 381949e27545SRob Clark const struct drm_prop_enum_list *props, 38207689ffb3SVille Syrjälä int num_props, 38217689ffb3SVille Syrjälä uint64_t supported_bits) 382249e27545SRob Clark { 382349e27545SRob Clark struct drm_property *property; 38247689ffb3SVille Syrjälä int i, ret, index = 0; 38257689ffb3SVille Syrjälä int num_values = hweight64(supported_bits); 382649e27545SRob Clark 382749e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 382849e27545SRob Clark 382949e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 383049e27545SRob Clark if (!property) 383149e27545SRob Clark return NULL; 38327689ffb3SVille Syrjälä for (i = 0; i < num_props; i++) { 38337689ffb3SVille Syrjälä if (!(supported_bits & (1ULL << props[i].type))) 38347689ffb3SVille Syrjälä continue; 383549e27545SRob Clark 38367689ffb3SVille Syrjälä if (WARN_ON(index >= num_values)) { 38377689ffb3SVille Syrjälä drm_property_destroy(dev, property); 38387689ffb3SVille Syrjälä return NULL; 38397689ffb3SVille Syrjälä } 38407689ffb3SVille Syrjälä 38417689ffb3SVille Syrjälä ret = drm_property_add_enum(property, index++, 384249e27545SRob Clark props[i].type, 384349e27545SRob Clark props[i].name); 384449e27545SRob Clark if (ret) { 384549e27545SRob Clark drm_property_destroy(dev, property); 384649e27545SRob Clark return NULL; 384749e27545SRob Clark } 384849e27545SRob Clark } 384949e27545SRob Clark 385049e27545SRob Clark return property; 385149e27545SRob Clark } 385249e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 385349e27545SRob Clark 3854ebc44cf3SRob Clark static struct drm_property *property_create_range(struct drm_device *dev, 3855ebc44cf3SRob Clark int flags, const char *name, 3856ebc44cf3SRob Clark uint64_t min, uint64_t max) 3857ebc44cf3SRob Clark { 3858ebc44cf3SRob Clark struct drm_property *property; 3859ebc44cf3SRob Clark 3860ebc44cf3SRob Clark property = drm_property_create(dev, flags, name, 2); 3861ebc44cf3SRob Clark if (!property) 3862ebc44cf3SRob Clark return NULL; 3863ebc44cf3SRob Clark 3864ebc44cf3SRob Clark property->values[0] = min; 3865ebc44cf3SRob Clark property->values[1] = max; 3866ebc44cf3SRob Clark 3867ebc44cf3SRob Clark return property; 3868ebc44cf3SRob Clark } 3869ebc44cf3SRob Clark 3870c8e32cc1SDaniel Vetter /** 3871960cd9d4SDaniel Vetter * drm_property_create_range - create a new unsigned ranged property type 3872c8e32cc1SDaniel Vetter * @dev: drm device 3873c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3874c8e32cc1SDaniel Vetter * @name: name of the property 3875c8e32cc1SDaniel Vetter * @min: minimum value of the property 3876c8e32cc1SDaniel Vetter * @max: maximum value of the property 3877c8e32cc1SDaniel Vetter * 3878c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3879c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3880c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3881c8e32cc1SDaniel Vetter * 3882960cd9d4SDaniel Vetter * Userspace is allowed to set any unsigned integer value in the (min, max) 3883960cd9d4SDaniel Vetter * range inclusive. 3884c8e32cc1SDaniel Vetter * 3885c8e32cc1SDaniel Vetter * Returns: 3886c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3887c8e32cc1SDaniel Vetter */ 3888d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 3889d9bc3c02SSascha Hauer const char *name, 3890d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 3891d9bc3c02SSascha Hauer { 3892ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_RANGE | flags, 3893ebc44cf3SRob Clark name, min, max); 3894d9bc3c02SSascha Hauer } 3895d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 3896d9bc3c02SSascha Hauer 3897960cd9d4SDaniel Vetter /** 3898960cd9d4SDaniel Vetter * drm_property_create_signed_range - create a new signed ranged property type 3899960cd9d4SDaniel Vetter * @dev: drm device 3900960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3901960cd9d4SDaniel Vetter * @name: name of the property 3902960cd9d4SDaniel Vetter * @min: minimum value of the property 3903960cd9d4SDaniel Vetter * @max: maximum value of the property 3904960cd9d4SDaniel Vetter * 3905960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3906960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3907960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3908960cd9d4SDaniel Vetter * 3909960cd9d4SDaniel Vetter * Userspace is allowed to set any signed integer value in the (min, max) 3910960cd9d4SDaniel Vetter * range inclusive. 3911960cd9d4SDaniel Vetter * 3912960cd9d4SDaniel Vetter * Returns: 3913960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3914960cd9d4SDaniel Vetter */ 3915ebc44cf3SRob Clark struct drm_property *drm_property_create_signed_range(struct drm_device *dev, 3916ebc44cf3SRob Clark int flags, const char *name, 3917ebc44cf3SRob Clark int64_t min, int64_t max) 3918ebc44cf3SRob Clark { 3919ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags, 3920ebc44cf3SRob Clark name, I642U64(min), I642U64(max)); 3921ebc44cf3SRob Clark } 3922ebc44cf3SRob Clark EXPORT_SYMBOL(drm_property_create_signed_range); 3923ebc44cf3SRob Clark 3924960cd9d4SDaniel Vetter /** 3925960cd9d4SDaniel Vetter * drm_property_create_object - create a new object property type 3926960cd9d4SDaniel Vetter * @dev: drm device 3927960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3928960cd9d4SDaniel Vetter * @name: name of the property 3929960cd9d4SDaniel Vetter * @type: object type from DRM_MODE_OBJECT_* defines 3930960cd9d4SDaniel Vetter * 3931960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3932960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3933960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3934960cd9d4SDaniel Vetter * 3935960cd9d4SDaniel Vetter * Userspace is only allowed to set this to any property value of the given 3936960cd9d4SDaniel Vetter * @type. Only useful for atomic properties, which is enforced. 3937960cd9d4SDaniel Vetter * 3938960cd9d4SDaniel Vetter * Returns: 3939960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3940960cd9d4SDaniel Vetter */ 394198f75de4SRob Clark struct drm_property *drm_property_create_object(struct drm_device *dev, 394298f75de4SRob Clark int flags, const char *name, uint32_t type) 394398f75de4SRob Clark { 394498f75de4SRob Clark struct drm_property *property; 394598f75de4SRob Clark 394698f75de4SRob Clark flags |= DRM_MODE_PROP_OBJECT; 394798f75de4SRob Clark 3948960cd9d4SDaniel Vetter if (WARN_ON(!(flags & DRM_MODE_PROP_ATOMIC))) 3949960cd9d4SDaniel Vetter return NULL; 3950960cd9d4SDaniel Vetter 395198f75de4SRob Clark property = drm_property_create(dev, flags, name, 1); 395298f75de4SRob Clark if (!property) 395398f75de4SRob Clark return NULL; 395498f75de4SRob Clark 395598f75de4SRob Clark property->values[0] = type; 395698f75de4SRob Clark 395798f75de4SRob Clark return property; 395898f75de4SRob Clark } 395998f75de4SRob Clark EXPORT_SYMBOL(drm_property_create_object); 396098f75de4SRob Clark 3961c8e32cc1SDaniel Vetter /** 3962960cd9d4SDaniel Vetter * drm_property_create_bool - create a new boolean property type 3963960cd9d4SDaniel Vetter * @dev: drm device 3964960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3965960cd9d4SDaniel Vetter * @name: name of the property 3966960cd9d4SDaniel Vetter * 3967960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3968960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3969960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3970960cd9d4SDaniel Vetter * 3971960cd9d4SDaniel Vetter * This is implemented as a ranged property with only {0, 1} as valid values. 3972960cd9d4SDaniel Vetter * 3973960cd9d4SDaniel Vetter * Returns: 3974960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3975960cd9d4SDaniel Vetter */ 3976960cd9d4SDaniel Vetter struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, 3977960cd9d4SDaniel Vetter const char *name) 3978960cd9d4SDaniel Vetter { 3979960cd9d4SDaniel Vetter return drm_property_create_range(dev, flags, name, 0, 1); 3980960cd9d4SDaniel Vetter } 3981960cd9d4SDaniel Vetter EXPORT_SYMBOL(drm_property_create_bool); 3982960cd9d4SDaniel Vetter 3983960cd9d4SDaniel Vetter /** 3984c8e32cc1SDaniel Vetter * drm_property_add_enum - add a possible value to an enumeration property 3985c8e32cc1SDaniel Vetter * @property: enumeration property to change 3986c8e32cc1SDaniel Vetter * @index: index of the new enumeration 3987c8e32cc1SDaniel Vetter * @value: value of the new enumeration 3988c8e32cc1SDaniel Vetter * @name: symbolic name of the new enumeration 3989c8e32cc1SDaniel Vetter * 3990c8e32cc1SDaniel Vetter * This functions adds enumerations to a property. 3991c8e32cc1SDaniel Vetter * 3992c8e32cc1SDaniel Vetter * It's use is deprecated, drivers should use one of the more specific helpers 3993c8e32cc1SDaniel Vetter * to directly create the property with all enumerations already attached. 3994c8e32cc1SDaniel Vetter * 3995c8e32cc1SDaniel Vetter * Returns: 3996c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 3997c8e32cc1SDaniel Vetter */ 3998f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 3999f453ba04SDave Airlie uint64_t value, const char *name) 4000f453ba04SDave Airlie { 4001f453ba04SDave Airlie struct drm_property_enum *prop_enum; 4002f453ba04SDave Airlie 40035ea22f24SRob Clark if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 40045ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK))) 400549e27545SRob Clark return -EINVAL; 400649e27545SRob Clark 400749e27545SRob Clark /* 400849e27545SRob Clark * Bitmask enum properties have the additional constraint of values 400949e27545SRob Clark * from 0 to 63 401049e27545SRob Clark */ 40115ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && 40125ea22f24SRob Clark (value > 63)) 4013f453ba04SDave Airlie return -EINVAL; 4014f453ba04SDave Airlie 40153758b341SDaniel Vetter if (!list_empty(&property->enum_list)) { 40163758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 4017f453ba04SDave Airlie if (prop_enum->value == value) { 4018f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 4019f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 4020f453ba04SDave Airlie return 0; 4021f453ba04SDave Airlie } 4022f453ba04SDave Airlie } 4023f453ba04SDave Airlie } 4024f453ba04SDave Airlie 4025f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 4026f453ba04SDave Airlie if (!prop_enum) 4027f453ba04SDave Airlie return -ENOMEM; 4028f453ba04SDave Airlie 4029f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 4030f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 4031f453ba04SDave Airlie prop_enum->value = value; 4032f453ba04SDave Airlie 4033f453ba04SDave Airlie property->values[index] = value; 40343758b341SDaniel Vetter list_add_tail(&prop_enum->head, &property->enum_list); 4035f453ba04SDave Airlie return 0; 4036f453ba04SDave Airlie } 4037f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 4038f453ba04SDave Airlie 4039c8e32cc1SDaniel Vetter /** 4040c8e32cc1SDaniel Vetter * drm_property_destroy - destroy a drm property 4041c8e32cc1SDaniel Vetter * @dev: drm device 4042c8e32cc1SDaniel Vetter * @property: property to destry 4043c8e32cc1SDaniel Vetter * 4044c8e32cc1SDaniel Vetter * This function frees a property including any attached resources like 4045c8e32cc1SDaniel Vetter * enumeration values. 4046c8e32cc1SDaniel Vetter */ 4047f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 4048f453ba04SDave Airlie { 4049f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 4050f453ba04SDave Airlie 40513758b341SDaniel Vetter list_for_each_entry_safe(prop_enum, pt, &property->enum_list, head) { 4052f453ba04SDave Airlie list_del(&prop_enum->head); 4053f453ba04SDave Airlie kfree(prop_enum); 4054f453ba04SDave Airlie } 4055f453ba04SDave Airlie 4056f453ba04SDave Airlie if (property->num_values) 4057f453ba04SDave Airlie kfree(property->values); 40587c8f6d25SDave Airlie drm_mode_object_unregister(dev, &property->base); 4059f453ba04SDave Airlie list_del(&property->head); 4060f453ba04SDave Airlie kfree(property); 4061f453ba04SDave Airlie } 4062f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 4063f453ba04SDave Airlie 4064c8e32cc1SDaniel Vetter /** 4065c8e32cc1SDaniel Vetter * drm_object_attach_property - attach a property to a modeset object 4066c8e32cc1SDaniel Vetter * @obj: drm modeset object 4067c8e32cc1SDaniel Vetter * @property: property to attach 4068c8e32cc1SDaniel Vetter * @init_val: initial value of the property 4069c8e32cc1SDaniel Vetter * 4070c8e32cc1SDaniel Vetter * This attaches the given property to the modeset object with the given initial 4071c8e32cc1SDaniel Vetter * value. Currently this function cannot fail since the properties are stored in 4072c8e32cc1SDaniel Vetter * a statically sized array. 4073c8e32cc1SDaniel Vetter */ 4074c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 4075c543188aSPaulo Zanoni struct drm_property *property, 4076c543188aSPaulo Zanoni uint64_t init_val) 4077c543188aSPaulo Zanoni { 40787f88a9beSPaulo Zanoni int count = obj->properties->count; 4079c543188aSPaulo Zanoni 40807f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 40817f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 40827f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 40837f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 40847f88a9beSPaulo Zanoni obj->type); 4085c543188aSPaulo Zanoni return; 4086c543188aSPaulo Zanoni } 4087c543188aSPaulo Zanoni 4088b17cd757SRob Clark obj->properties->properties[count] = property; 40897f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 40907f88a9beSPaulo Zanoni obj->properties->count++; 409188a48e29SRob Clark if (property->flags & DRM_MODE_PROP_ATOMIC) 409288a48e29SRob Clark obj->properties->atomic_count++; 4093c543188aSPaulo Zanoni } 4094c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 4095c543188aSPaulo Zanoni 4096c8e32cc1SDaniel Vetter /** 4097c8e32cc1SDaniel Vetter * drm_object_property_set_value - set the value of a property 4098c8e32cc1SDaniel Vetter * @obj: drm mode object to set property value for 4099c8e32cc1SDaniel Vetter * @property: property to set 4100c8e32cc1SDaniel Vetter * @val: value the property should be set to 4101c8e32cc1SDaniel Vetter * 4102c8e32cc1SDaniel Vetter * This functions sets a given property on a given object. This function only 4103c8e32cc1SDaniel Vetter * changes the software state of the property, it does not call into the 4104c8e32cc1SDaniel Vetter * driver's ->set_property callback. 4105c8e32cc1SDaniel Vetter * 4106c8e32cc1SDaniel Vetter * Returns: 4107c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4108c8e32cc1SDaniel Vetter */ 4109c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 4110c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 4111c543188aSPaulo Zanoni { 4112c543188aSPaulo Zanoni int i; 4113c543188aSPaulo Zanoni 41147f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 4115b17cd757SRob Clark if (obj->properties->properties[i] == property) { 4116c543188aSPaulo Zanoni obj->properties->values[i] = val; 4117c543188aSPaulo Zanoni return 0; 4118c543188aSPaulo Zanoni } 4119c543188aSPaulo Zanoni } 4120c543188aSPaulo Zanoni 4121c543188aSPaulo Zanoni return -EINVAL; 4122c543188aSPaulo Zanoni } 4123c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 4124c543188aSPaulo Zanoni 4125c8e32cc1SDaniel Vetter /** 4126c8e32cc1SDaniel Vetter * drm_object_property_get_value - retrieve the value of a property 4127c8e32cc1SDaniel Vetter * @obj: drm mode object to get property value from 4128c8e32cc1SDaniel Vetter * @property: property to retrieve 4129c8e32cc1SDaniel Vetter * @val: storage for the property value 4130c8e32cc1SDaniel Vetter * 4131c8e32cc1SDaniel Vetter * This function retrieves the softare state of the given property for the given 4132c8e32cc1SDaniel Vetter * property. Since there is no driver callback to retrieve the current property 4133c8e32cc1SDaniel Vetter * value this might be out of sync with the hardware, depending upon the driver 4134c8e32cc1SDaniel Vetter * and property. 4135c8e32cc1SDaniel Vetter * 4136c8e32cc1SDaniel Vetter * Returns: 4137c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4138c8e32cc1SDaniel Vetter */ 4139c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 4140c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 4141c543188aSPaulo Zanoni { 4142c543188aSPaulo Zanoni int i; 4143c543188aSPaulo Zanoni 414488a48e29SRob Clark /* read-only properties bypass atomic mechanism and still store 414588a48e29SRob Clark * their value in obj->properties->values[].. mostly to avoid 414688a48e29SRob Clark * having to deal w/ EDID and similar props in atomic paths: 414788a48e29SRob Clark */ 414888a48e29SRob Clark if (drm_core_check_feature(property->dev, DRIVER_ATOMIC) && 414988a48e29SRob Clark !(property->flags & DRM_MODE_PROP_IMMUTABLE)) 415088a48e29SRob Clark return drm_atomic_get_property(obj, property, val); 415188a48e29SRob Clark 41527f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 4153b17cd757SRob Clark if (obj->properties->properties[i] == property) { 4154c543188aSPaulo Zanoni *val = obj->properties->values[i]; 4155c543188aSPaulo Zanoni return 0; 4156c543188aSPaulo Zanoni } 4157c543188aSPaulo Zanoni } 4158c543188aSPaulo Zanoni 4159c543188aSPaulo Zanoni return -EINVAL; 4160c543188aSPaulo Zanoni } 4161c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 4162c543188aSPaulo Zanoni 4163c8e32cc1SDaniel Vetter /** 41641a498633SDaniel Vetter * drm_mode_getproperty_ioctl - get the property metadata 4165c8e32cc1SDaniel Vetter * @dev: DRM device 4166c8e32cc1SDaniel Vetter * @data: ioctl data 4167c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4168c8e32cc1SDaniel Vetter * 41691a498633SDaniel Vetter * This function retrieves the metadata for a given property, like the different 41701a498633SDaniel Vetter * possible values for an enum property or the limits for a range property. 41711a498633SDaniel Vetter * 41721a498633SDaniel Vetter * Blob properties are special 4173c8e32cc1SDaniel Vetter * 4174c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4175c8e32cc1SDaniel Vetter * 4176c8e32cc1SDaniel Vetter * Returns: 41771a498633SDaniel Vetter * Zero on success, negative errno on failure. 4178c8e32cc1SDaniel Vetter */ 4179f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 4180f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4181f453ba04SDave Airlie { 4182f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 4183f453ba04SDave Airlie struct drm_property *property; 4184f453ba04SDave Airlie int enum_count = 0; 4185f453ba04SDave Airlie int value_count = 0; 4186f453ba04SDave Airlie int ret = 0, i; 4187f453ba04SDave Airlie int copied; 4188f453ba04SDave Airlie struct drm_property_enum *prop_enum; 4189f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 4190f453ba04SDave Airlie uint64_t __user *values_ptr; 4191f453ba04SDave Airlie 4192fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4193fb3b06c8SDave Airlie return -EINVAL; 4194fb3b06c8SDave Airlie 419584849903SDaniel Vetter drm_modeset_lock_all(dev); 4196a2b34e22SRob Clark property = drm_property_find(dev, out_resp->prop_id); 4197a2b34e22SRob Clark if (!property) { 4198f27657f2SVille Syrjälä ret = -ENOENT; 4199f453ba04SDave Airlie goto done; 4200f453ba04SDave Airlie } 4201f453ba04SDave Airlie 42025ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 42035ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 42043758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) 4205f453ba04SDave Airlie enum_count++; 4206f453ba04SDave Airlie } 4207f453ba04SDave Airlie 4208f453ba04SDave Airlie value_count = property->num_values; 4209f453ba04SDave Airlie 4210f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 4211f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 4212f453ba04SDave Airlie out_resp->flags = property->flags; 4213f453ba04SDave Airlie 4214f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 421581f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 4216f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 4217f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 4218f453ba04SDave Airlie ret = -EFAULT; 4219f453ba04SDave Airlie goto done; 4220f453ba04SDave Airlie } 4221f453ba04SDave Airlie } 4222f453ba04SDave Airlie } 4223f453ba04SDave Airlie out_resp->count_values = value_count; 4224f453ba04SDave Airlie 42255ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 42265ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 4227f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 4228f453ba04SDave Airlie copied = 0; 422981f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 42303758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 4231f453ba04SDave Airlie 4232f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 4233f453ba04SDave Airlie ret = -EFAULT; 4234f453ba04SDave Airlie goto done; 4235f453ba04SDave Airlie } 4236f453ba04SDave Airlie 4237f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 4238f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 4239f453ba04SDave Airlie ret = -EFAULT; 4240f453ba04SDave Airlie goto done; 4241f453ba04SDave Airlie } 4242f453ba04SDave Airlie copied++; 4243f453ba04SDave Airlie } 4244f453ba04SDave Airlie } 4245f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 4246f453ba04SDave Airlie } 4247f453ba04SDave Airlie 42483758b341SDaniel Vetter /* 42493758b341SDaniel Vetter * NOTE: The idea seems to have been to use this to read all the blob 42503758b341SDaniel Vetter * property values. But nothing ever added them to the corresponding 42513758b341SDaniel Vetter * list, userspace always used the special-purpose get_blob ioctl to 42523758b341SDaniel Vetter * read the value for a blob property. It also doesn't make a lot of 42533758b341SDaniel Vetter * sense to return values here when everything else is just metadata for 42543758b341SDaniel Vetter * the property itself. 42553758b341SDaniel Vetter */ 42563758b341SDaniel Vetter if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) 42573758b341SDaniel Vetter out_resp->count_enum_blobs = 0; 4258f453ba04SDave Airlie done: 425984849903SDaniel Vetter drm_modeset_unlock_all(dev); 4260f453ba04SDave Airlie return ret; 4261f453ba04SDave Airlie } 4262f453ba04SDave Airlie 426399531d9bSDaniel Stone /** 426499531d9bSDaniel Stone * drm_property_create_blob - Create new blob property 426599531d9bSDaniel Stone * 426699531d9bSDaniel Stone * Creates a new blob property for a specified DRM device, optionally 426799531d9bSDaniel Stone * copying data. 426899531d9bSDaniel Stone * 426999531d9bSDaniel Stone * @dev: DRM device to create property for 427099531d9bSDaniel Stone * @length: Length to allocate for blob data 427199531d9bSDaniel Stone * @data: If specified, copies data into blob 427210e8cb7eSDaniel Stone * 427310e8cb7eSDaniel Stone * Returns: 427410e8cb7eSDaniel Stone * New blob property with a single reference on success, or an ERR_PTR 427510e8cb7eSDaniel Stone * value on failure. 427699531d9bSDaniel Stone */ 42776bcacf51SDaniel Stone struct drm_property_blob * 4278ecbbe59bSThierry Reding drm_property_create_blob(struct drm_device *dev, size_t length, 427912e6cecdSThierry Reding const void *data) 4280f453ba04SDave Airlie { 4281f453ba04SDave Airlie struct drm_property_blob *blob; 42826bfc56aaSVille Syrjälä int ret; 4283f453ba04SDave Airlie 42849ac0934bSDan Carpenter if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob)) 428510e8cb7eSDaniel Stone return ERR_PTR(-EINVAL); 4286f453ba04SDave Airlie 4287f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 4288f453ba04SDave Airlie if (!blob) 428910e8cb7eSDaniel Stone return ERR_PTR(-ENOMEM); 4290f453ba04SDave Airlie 4291e2f5d2eaSDaniel Stone /* This must be explicitly initialised, so we can safely call list_del 4292e2f5d2eaSDaniel Stone * on it in the removal handler, even if it isn't in a file list. */ 4293e2f5d2eaSDaniel Stone INIT_LIST_HEAD(&blob->head_file); 4294f453ba04SDave Airlie blob->length = length; 42956bcacf51SDaniel Stone blob->dev = dev; 4296f453ba04SDave Airlie 429799531d9bSDaniel Stone if (data) 4298f453ba04SDave Airlie memcpy(blob->data, data, length); 4299f453ba04SDave Airlie 43008fb6e7a5SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 43018fb6e7a5SDaniel Stone 43028fb6e7a5SDaniel Stone ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 43038fb6e7a5SDaniel Stone if (ret) { 43048fb6e7a5SDaniel Stone kfree(blob); 43058fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 430610e8cb7eSDaniel Stone return ERR_PTR(-EINVAL); 43078fb6e7a5SDaniel Stone } 43088fb6e7a5SDaniel Stone 43096bcacf51SDaniel Stone kref_init(&blob->refcount); 43106bcacf51SDaniel Stone 4311e2f5d2eaSDaniel Stone list_add_tail(&blob->head_global, 4312e2f5d2eaSDaniel Stone &dev->mode_config.property_blob_list); 43138fb6e7a5SDaniel Stone 43148fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 43158fb6e7a5SDaniel Stone 4316f453ba04SDave Airlie return blob; 4317f453ba04SDave Airlie } 43186bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_create_blob); 4319f453ba04SDave Airlie 43206bcacf51SDaniel Stone /** 43216bcacf51SDaniel Stone * drm_property_free_blob - Blob property destructor 43226bcacf51SDaniel Stone * 43236bcacf51SDaniel Stone * Internal free function for blob properties; must not be used directly. 43246bcacf51SDaniel Stone * 4325f102c16eSDaniel Stone * @kref: Reference 43266bcacf51SDaniel Stone */ 43276bcacf51SDaniel Stone static void drm_property_free_blob(struct kref *kref) 4328f453ba04SDave Airlie { 43296bcacf51SDaniel Stone struct drm_property_blob *blob = 43306bcacf51SDaniel Stone container_of(kref, struct drm_property_blob, refcount); 43316bcacf51SDaniel Stone 43326bcacf51SDaniel Stone WARN_ON(!mutex_is_locked(&blob->dev->mode_config.blob_lock)); 43336bcacf51SDaniel Stone 4334e2f5d2eaSDaniel Stone list_del(&blob->head_global); 4335e2f5d2eaSDaniel Stone list_del(&blob->head_file); 43367c8f6d25SDave Airlie drm_mode_object_unregister(blob->dev, &blob->base); 43378fb6e7a5SDaniel Stone 4338f453ba04SDave Airlie kfree(blob); 4339f453ba04SDave Airlie } 4340f453ba04SDave Airlie 4341c8e32cc1SDaniel Vetter /** 43426bcacf51SDaniel Stone * drm_property_unreference_blob - Unreference a blob property 43436bcacf51SDaniel Stone * 43446bcacf51SDaniel Stone * Drop a reference on a blob property. May free the object. 43456bcacf51SDaniel Stone * 4346f102c16eSDaniel Stone * @blob: Pointer to blob property 43476bcacf51SDaniel Stone */ 43486bcacf51SDaniel Stone void drm_property_unreference_blob(struct drm_property_blob *blob) 43496bcacf51SDaniel Stone { 43506bcacf51SDaniel Stone struct drm_device *dev; 43516bcacf51SDaniel Stone 43526bcacf51SDaniel Stone if (!blob) 43536bcacf51SDaniel Stone return; 43546bcacf51SDaniel Stone 43556bcacf51SDaniel Stone dev = blob->dev; 43566bcacf51SDaniel Stone 43576bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 43586bcacf51SDaniel Stone 43596bcacf51SDaniel Stone if (kref_put_mutex(&blob->refcount, drm_property_free_blob, 43606bcacf51SDaniel Stone &dev->mode_config.blob_lock)) 43616bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 43626bcacf51SDaniel Stone else 43636bcacf51SDaniel Stone might_lock(&dev->mode_config.blob_lock); 43646bcacf51SDaniel Stone } 43656bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_unreference_blob); 43666bcacf51SDaniel Stone 43676bcacf51SDaniel Stone /** 43686bcacf51SDaniel Stone * drm_property_unreference_blob_locked - Unreference a blob property with blob_lock held 43696bcacf51SDaniel Stone * 43706bcacf51SDaniel Stone * Drop a reference on a blob property. May free the object. This must be 43716bcacf51SDaniel Stone * called with blob_lock held. 43726bcacf51SDaniel Stone * 4373f102c16eSDaniel Stone * @blob: Pointer to blob property 43746bcacf51SDaniel Stone */ 43756bcacf51SDaniel Stone static void drm_property_unreference_blob_locked(struct drm_property_blob *blob) 43766bcacf51SDaniel Stone { 43776bcacf51SDaniel Stone if (!blob) 43786bcacf51SDaniel Stone return; 43796bcacf51SDaniel Stone 43806bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 43816bcacf51SDaniel Stone 43826bcacf51SDaniel Stone kref_put(&blob->refcount, drm_property_free_blob); 43836bcacf51SDaniel Stone } 43846bcacf51SDaniel Stone 43856bcacf51SDaniel Stone /** 4386e2f5d2eaSDaniel Stone * drm_property_destroy_user_blobs - destroy all blobs created by this client 4387e2f5d2eaSDaniel Stone * @dev: DRM device 4388e2f5d2eaSDaniel Stone * @file_priv: destroy all blobs owned by this file handle 4389e2f5d2eaSDaniel Stone */ 4390e2f5d2eaSDaniel Stone void drm_property_destroy_user_blobs(struct drm_device *dev, 4391e2f5d2eaSDaniel Stone struct drm_file *file_priv) 4392e2f5d2eaSDaniel Stone { 4393e2f5d2eaSDaniel Stone struct drm_property_blob *blob, *bt; 4394e2f5d2eaSDaniel Stone 4395e2f5d2eaSDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 4396e2f5d2eaSDaniel Stone 4397e2f5d2eaSDaniel Stone list_for_each_entry_safe(blob, bt, &file_priv->blobs, head_file) { 4398e2f5d2eaSDaniel Stone list_del_init(&blob->head_file); 4399e2f5d2eaSDaniel Stone drm_property_unreference_blob_locked(blob); 4400e2f5d2eaSDaniel Stone } 4401e2f5d2eaSDaniel Stone 4402e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4403e2f5d2eaSDaniel Stone } 4404e2f5d2eaSDaniel Stone 4405e2f5d2eaSDaniel Stone /** 44066bcacf51SDaniel Stone * drm_property_reference_blob - Take a reference on an existing property 44076bcacf51SDaniel Stone * 44086bcacf51SDaniel Stone * Take a new reference on an existing blob property. 44096bcacf51SDaniel Stone * 4410f102c16eSDaniel Stone * @blob: Pointer to blob property 44116bcacf51SDaniel Stone */ 44126bcacf51SDaniel Stone struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob) 44136bcacf51SDaniel Stone { 44146bcacf51SDaniel Stone DRM_DEBUG("%p: blob ID: %d (%d)\n", blob, blob->base.id, atomic_read(&blob->refcount.refcount)); 44156bcacf51SDaniel Stone kref_get(&blob->refcount); 44166bcacf51SDaniel Stone return blob; 44176bcacf51SDaniel Stone } 44186bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_reference_blob); 44196bcacf51SDaniel Stone 44206bcacf51SDaniel Stone /* 44216bcacf51SDaniel Stone * Like drm_property_lookup_blob, but does not return an additional reference. 44226bcacf51SDaniel Stone * Must be called with blob_lock held. 44236bcacf51SDaniel Stone */ 44246bcacf51SDaniel Stone static struct drm_property_blob *__drm_property_lookup_blob(struct drm_device *dev, 44256bcacf51SDaniel Stone uint32_t id) 44266bcacf51SDaniel Stone { 44276bcacf51SDaniel Stone struct drm_mode_object *obj = NULL; 44286bcacf51SDaniel Stone struct drm_property_blob *blob; 44296bcacf51SDaniel Stone 44306bcacf51SDaniel Stone WARN_ON(!mutex_is_locked(&dev->mode_config.blob_lock)); 44316bcacf51SDaniel Stone 44326bcacf51SDaniel Stone mutex_lock(&dev->mode_config.idr_mutex); 44336bcacf51SDaniel Stone obj = idr_find(&dev->mode_config.crtc_idr, id); 44346bcacf51SDaniel Stone if (!obj || (obj->type != DRM_MODE_OBJECT_BLOB) || (obj->id != id)) 44356bcacf51SDaniel Stone blob = NULL; 44366bcacf51SDaniel Stone else 44376bcacf51SDaniel Stone blob = obj_to_blob(obj); 44386bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.idr_mutex); 44396bcacf51SDaniel Stone 4440f453ba04SDave Airlie return blob; 4441f453ba04SDave Airlie } 4442f453ba04SDave Airlie 44436bcacf51SDaniel Stone /** 44446bcacf51SDaniel Stone * drm_property_lookup_blob - look up a blob property and take a reference 44456bcacf51SDaniel Stone * @dev: drm device 44466bcacf51SDaniel Stone * @id: id of the blob property 44476bcacf51SDaniel Stone * 44486bcacf51SDaniel Stone * If successful, this takes an additional reference to the blob property. 44496bcacf51SDaniel Stone * callers need to make sure to eventually unreference the returned property 44506bcacf51SDaniel Stone * again, using @drm_property_unreference_blob. 44516bcacf51SDaniel Stone */ 44526bcacf51SDaniel Stone struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev, 44536bcacf51SDaniel Stone uint32_t id) 4454f453ba04SDave Airlie { 44556bcacf51SDaniel Stone struct drm_property_blob *blob; 44566bcacf51SDaniel Stone 44576bcacf51SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 44586bcacf51SDaniel Stone blob = __drm_property_lookup_blob(dev, id); 44596bcacf51SDaniel Stone if (blob) { 44606bcacf51SDaniel Stone if (!kref_get_unless_zero(&blob->refcount)) 44616bcacf51SDaniel Stone blob = NULL; 44626bcacf51SDaniel Stone } 44636bcacf51SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 44646bcacf51SDaniel Stone 44656bcacf51SDaniel Stone return blob; 44666bcacf51SDaniel Stone } 44676bcacf51SDaniel Stone EXPORT_SYMBOL(drm_property_lookup_blob); 44686bcacf51SDaniel Stone 44696bcacf51SDaniel Stone /** 4470d2ed3436SDaniel Stone * drm_property_replace_global_blob - atomically replace existing blob property 4471d2ed3436SDaniel Stone * @dev: drm device 4472d2ed3436SDaniel Stone * @replace: location of blob property pointer to be replaced 4473d2ed3436SDaniel Stone * @length: length of data for new blob, or 0 for no data 4474d2ed3436SDaniel Stone * @data: content for new blob, or NULL for no data 4475d2ed3436SDaniel Stone * @obj_holds_id: optional object for property holding blob ID 4476d2ed3436SDaniel Stone * @prop_holds_id: optional property holding blob ID 4477d2ed3436SDaniel Stone * @return 0 on success or error on failure 4478d2ed3436SDaniel Stone * 4479d2ed3436SDaniel Stone * This function will atomically replace a global property in the blob list, 4480d2ed3436SDaniel Stone * optionally updating a property which holds the ID of that property. It is 4481d2ed3436SDaniel Stone * guaranteed to be atomic: no caller will be allowed to see intermediate 4482d2ed3436SDaniel Stone * results, and either the entire operation will succeed and clean up the 4483d2ed3436SDaniel Stone * previous property, or it will fail and the state will be unchanged. 4484d2ed3436SDaniel Stone * 4485d2ed3436SDaniel Stone * If length is 0 or data is NULL, no new blob will be created, and the holding 4486d2ed3436SDaniel Stone * property, if specified, will be set to 0. 4487d2ed3436SDaniel Stone * 4488d2ed3436SDaniel Stone * Access to the replace pointer is assumed to be protected by the caller, e.g. 4489d2ed3436SDaniel Stone * by holding the relevant modesetting object lock for its parent. 4490d2ed3436SDaniel Stone * 4491d2ed3436SDaniel Stone * For example, a drm_connector has a 'PATH' property, which contains the ID 4492d2ed3436SDaniel Stone * of a blob property with the value of the MST path information. Calling this 4493d2ed3436SDaniel Stone * function with replace pointing to the connector's path_blob_ptr, length and 4494d2ed3436SDaniel Stone * data set for the new path information, obj_holds_id set to the connector's 4495d2ed3436SDaniel Stone * base object, and prop_holds_id set to the path property name, will perform 4496d2ed3436SDaniel Stone * a completely atomic update. The access to path_blob_ptr is protected by the 4497d2ed3436SDaniel Stone * caller holding a lock on the connector. 4498d2ed3436SDaniel Stone */ 4499d2ed3436SDaniel Stone static int drm_property_replace_global_blob(struct drm_device *dev, 4500d2ed3436SDaniel Stone struct drm_property_blob **replace, 4501d2ed3436SDaniel Stone size_t length, 4502d2ed3436SDaniel Stone const void *data, 4503d2ed3436SDaniel Stone struct drm_mode_object *obj_holds_id, 4504d2ed3436SDaniel Stone struct drm_property *prop_holds_id) 4505d2ed3436SDaniel Stone { 4506d2ed3436SDaniel Stone struct drm_property_blob *new_blob = NULL; 4507d2ed3436SDaniel Stone struct drm_property_blob *old_blob = NULL; 4508d2ed3436SDaniel Stone int ret; 4509d2ed3436SDaniel Stone 4510d2ed3436SDaniel Stone WARN_ON(replace == NULL); 4511d2ed3436SDaniel Stone 4512d2ed3436SDaniel Stone old_blob = *replace; 4513d2ed3436SDaniel Stone 4514d2ed3436SDaniel Stone if (length && data) { 4515d2ed3436SDaniel Stone new_blob = drm_property_create_blob(dev, length, data); 451610e8cb7eSDaniel Stone if (IS_ERR(new_blob)) 451710e8cb7eSDaniel Stone return PTR_ERR(new_blob); 4518d2ed3436SDaniel Stone } 4519d2ed3436SDaniel Stone 4520d2ed3436SDaniel Stone /* This does not need to be synchronised with blob_lock, as the 4521d2ed3436SDaniel Stone * get_properties ioctl locks all modesetting objects, and 4522d2ed3436SDaniel Stone * obj_holds_id must be locked before calling here, so we cannot 4523d2ed3436SDaniel Stone * have its value out of sync with the list membership modified 4524d2ed3436SDaniel Stone * below under blob_lock. */ 4525d2ed3436SDaniel Stone if (obj_holds_id) { 4526d2ed3436SDaniel Stone ret = drm_object_property_set_value(obj_holds_id, 4527d2ed3436SDaniel Stone prop_holds_id, 4528d2ed3436SDaniel Stone new_blob ? 4529d2ed3436SDaniel Stone new_blob->base.id : 0); 4530d2ed3436SDaniel Stone if (ret != 0) 4531d2ed3436SDaniel Stone goto err_created; 4532d2ed3436SDaniel Stone } 4533d2ed3436SDaniel Stone 45346bcacf51SDaniel Stone drm_property_unreference_blob(old_blob); 4535d2ed3436SDaniel Stone *replace = new_blob; 4536d2ed3436SDaniel Stone 4537d2ed3436SDaniel Stone return 0; 4538d2ed3436SDaniel Stone 4539d2ed3436SDaniel Stone err_created: 45406bcacf51SDaniel Stone drm_property_unreference_blob(new_blob); 4541d2ed3436SDaniel Stone return ret; 4542f453ba04SDave Airlie } 4543f453ba04SDave Airlie 4544c8e32cc1SDaniel Vetter /** 4545c8e32cc1SDaniel Vetter * drm_mode_getblob_ioctl - get the contents of a blob property value 4546c8e32cc1SDaniel Vetter * @dev: DRM device 4547c8e32cc1SDaniel Vetter * @data: ioctl data 4548c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4549c8e32cc1SDaniel Vetter * 4550c8e32cc1SDaniel Vetter * This function retrieves the contents of a blob property. The value stored in 4551c8e32cc1SDaniel Vetter * an object's blob property is just a normal modeset object id. 4552c8e32cc1SDaniel Vetter * 4553c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4554c8e32cc1SDaniel Vetter * 4555c8e32cc1SDaniel Vetter * Returns: 45561a498633SDaniel Vetter * Zero on success, negative errno on failure. 4557c8e32cc1SDaniel Vetter */ 4558f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 4559f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4560f453ba04SDave Airlie { 4561f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 4562f453ba04SDave Airlie struct drm_property_blob *blob; 4563f453ba04SDave Airlie int ret = 0; 456481f6c7f8SVille Syrjälä void __user *blob_ptr; 4565f453ba04SDave Airlie 4566fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4567fb3b06c8SDave Airlie return -EINVAL; 4568fb3b06c8SDave Airlie 456984849903SDaniel Vetter drm_modeset_lock_all(dev); 45708fb6e7a5SDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 45716bcacf51SDaniel Stone blob = __drm_property_lookup_blob(dev, out_resp->blob_id); 4572a2b34e22SRob Clark if (!blob) { 4573f27657f2SVille Syrjälä ret = -ENOENT; 4574f453ba04SDave Airlie goto done; 4575f453ba04SDave Airlie } 4576f453ba04SDave Airlie 4577f453ba04SDave Airlie if (out_resp->length == blob->length) { 457881f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 4579f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)) { 4580f453ba04SDave Airlie ret = -EFAULT; 4581f453ba04SDave Airlie goto done; 4582f453ba04SDave Airlie } 4583f453ba04SDave Airlie } 4584f453ba04SDave Airlie out_resp->length = blob->length; 4585f453ba04SDave Airlie 4586f453ba04SDave Airlie done: 45878fb6e7a5SDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 458884849903SDaniel Vetter drm_modeset_unlock_all(dev); 4589f453ba04SDave Airlie return ret; 4590f453ba04SDave Airlie } 4591f453ba04SDave Airlie 4592cc7096fbSDave Airlie /** 4593e2f5d2eaSDaniel Stone * drm_mode_createblob_ioctl - create a new blob property 4594e2f5d2eaSDaniel Stone * @dev: DRM device 4595e2f5d2eaSDaniel Stone * @data: ioctl data 4596e2f5d2eaSDaniel Stone * @file_priv: DRM file info 4597e2f5d2eaSDaniel Stone * 4598e2f5d2eaSDaniel Stone * This function creates a new blob property with user-defined values. In order 4599e2f5d2eaSDaniel Stone * to give us sensible validation and checking when creating, rather than at 4600e2f5d2eaSDaniel Stone * every potential use, we also require a type to be provided upfront. 4601e2f5d2eaSDaniel Stone * 4602e2f5d2eaSDaniel Stone * Called by the user via ioctl. 4603e2f5d2eaSDaniel Stone * 4604e2f5d2eaSDaniel Stone * Returns: 4605e2f5d2eaSDaniel Stone * Zero on success, negative errno on failure. 4606e2f5d2eaSDaniel Stone */ 4607e2f5d2eaSDaniel Stone int drm_mode_createblob_ioctl(struct drm_device *dev, 4608e2f5d2eaSDaniel Stone void *data, struct drm_file *file_priv) 4609e2f5d2eaSDaniel Stone { 4610e2f5d2eaSDaniel Stone struct drm_mode_create_blob *out_resp = data; 4611e2f5d2eaSDaniel Stone struct drm_property_blob *blob; 4612e2f5d2eaSDaniel Stone void __user *blob_ptr; 4613e2f5d2eaSDaniel Stone int ret = 0; 4614e2f5d2eaSDaniel Stone 4615e2f5d2eaSDaniel Stone if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4616e2f5d2eaSDaniel Stone return -EINVAL; 4617e2f5d2eaSDaniel Stone 4618e2f5d2eaSDaniel Stone blob = drm_property_create_blob(dev, out_resp->length, NULL); 4619e2f5d2eaSDaniel Stone if (IS_ERR(blob)) 4620e2f5d2eaSDaniel Stone return PTR_ERR(blob); 4621e2f5d2eaSDaniel Stone 4622e2f5d2eaSDaniel Stone blob_ptr = (void __user *)(unsigned long)out_resp->data; 4623e2f5d2eaSDaniel Stone if (copy_from_user(blob->data, blob_ptr, out_resp->length)) { 4624e2f5d2eaSDaniel Stone ret = -EFAULT; 4625e2f5d2eaSDaniel Stone goto out_blob; 4626e2f5d2eaSDaniel Stone } 4627e2f5d2eaSDaniel Stone 4628e2f5d2eaSDaniel Stone /* Dropping the lock between create_blob and our access here is safe 4629e2f5d2eaSDaniel Stone * as only the same file_priv can remove the blob; at this point, it is 4630e2f5d2eaSDaniel Stone * not associated with any file_priv. */ 4631e2f5d2eaSDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 4632e2f5d2eaSDaniel Stone out_resp->blob_id = blob->base.id; 46338731b269SManeet Singh list_add_tail(&blob->head_file, &file_priv->blobs); 4634e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4635e2f5d2eaSDaniel Stone 4636e2f5d2eaSDaniel Stone return 0; 4637e2f5d2eaSDaniel Stone 4638e2f5d2eaSDaniel Stone out_blob: 4639e2f5d2eaSDaniel Stone drm_property_unreference_blob(blob); 4640e2f5d2eaSDaniel Stone return ret; 4641e2f5d2eaSDaniel Stone } 4642e2f5d2eaSDaniel Stone 4643e2f5d2eaSDaniel Stone /** 4644e2f5d2eaSDaniel Stone * drm_mode_destroyblob_ioctl - destroy a user blob property 4645e2f5d2eaSDaniel Stone * @dev: DRM device 4646e2f5d2eaSDaniel Stone * @data: ioctl data 4647e2f5d2eaSDaniel Stone * @file_priv: DRM file info 4648e2f5d2eaSDaniel Stone * 4649e2f5d2eaSDaniel Stone * Destroy an existing user-defined blob property. 4650e2f5d2eaSDaniel Stone * 4651e2f5d2eaSDaniel Stone * Called by the user via ioctl. 4652e2f5d2eaSDaniel Stone * 4653e2f5d2eaSDaniel Stone * Returns: 4654e2f5d2eaSDaniel Stone * Zero on success, negative errno on failure. 4655e2f5d2eaSDaniel Stone */ 4656e2f5d2eaSDaniel Stone int drm_mode_destroyblob_ioctl(struct drm_device *dev, 4657e2f5d2eaSDaniel Stone void *data, struct drm_file *file_priv) 4658e2f5d2eaSDaniel Stone { 4659e2f5d2eaSDaniel Stone struct drm_mode_destroy_blob *out_resp = data; 4660e2f5d2eaSDaniel Stone struct drm_property_blob *blob = NULL, *bt; 4661e2f5d2eaSDaniel Stone bool found = false; 4662e2f5d2eaSDaniel Stone int ret = 0; 4663e2f5d2eaSDaniel Stone 4664e2f5d2eaSDaniel Stone if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4665e2f5d2eaSDaniel Stone return -EINVAL; 4666e2f5d2eaSDaniel Stone 4667e2f5d2eaSDaniel Stone mutex_lock(&dev->mode_config.blob_lock); 4668e2f5d2eaSDaniel Stone blob = __drm_property_lookup_blob(dev, out_resp->blob_id); 4669e2f5d2eaSDaniel Stone if (!blob) { 4670e2f5d2eaSDaniel Stone ret = -ENOENT; 4671e2f5d2eaSDaniel Stone goto err; 4672e2f5d2eaSDaniel Stone } 4673e2f5d2eaSDaniel Stone 4674e2f5d2eaSDaniel Stone /* Ensure the property was actually created by this user. */ 4675e2f5d2eaSDaniel Stone list_for_each_entry(bt, &file_priv->blobs, head_file) { 4676e2f5d2eaSDaniel Stone if (bt == blob) { 4677e2f5d2eaSDaniel Stone found = true; 4678e2f5d2eaSDaniel Stone break; 4679e2f5d2eaSDaniel Stone } 4680e2f5d2eaSDaniel Stone } 4681e2f5d2eaSDaniel Stone 4682e2f5d2eaSDaniel Stone if (!found) { 4683e2f5d2eaSDaniel Stone ret = -EPERM; 4684e2f5d2eaSDaniel Stone goto err; 4685e2f5d2eaSDaniel Stone } 4686e2f5d2eaSDaniel Stone 4687e2f5d2eaSDaniel Stone /* We must drop head_file here, because we may not be the last 4688e2f5d2eaSDaniel Stone * reference on the blob. */ 4689e2f5d2eaSDaniel Stone list_del_init(&blob->head_file); 4690e2f5d2eaSDaniel Stone drm_property_unreference_blob_locked(blob); 4691e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4692e2f5d2eaSDaniel Stone 4693e2f5d2eaSDaniel Stone return 0; 4694e2f5d2eaSDaniel Stone 4695e2f5d2eaSDaniel Stone err: 4696e2f5d2eaSDaniel Stone mutex_unlock(&dev->mode_config.blob_lock); 4697e2f5d2eaSDaniel Stone return ret; 4698e2f5d2eaSDaniel Stone } 4699e2f5d2eaSDaniel Stone 4700e2f5d2eaSDaniel Stone /** 4701cc7096fbSDave Airlie * drm_mode_connector_set_path_property - set tile property on connector 4702cc7096fbSDave Airlie * @connector: connector to set property on. 4703d2ed3436SDaniel Stone * @path: path to use for property; must not be NULL. 4704cc7096fbSDave Airlie * 4705cc7096fbSDave Airlie * This creates a property to expose to userspace to specify a 4706cc7096fbSDave Airlie * connector path. This is mainly used for DisplayPort MST where 4707cc7096fbSDave Airlie * connectors have a topology and we want to allow userspace to give 4708cc7096fbSDave Airlie * them more meaningful names. 4709cc7096fbSDave Airlie * 4710cc7096fbSDave Airlie * Returns: 47111a498633SDaniel Vetter * Zero on success, negative errno on failure. 4712cc7096fbSDave Airlie */ 471343aba7ebSDave Airlie int drm_mode_connector_set_path_property(struct drm_connector *connector, 471412e6cecdSThierry Reding const char *path) 471543aba7ebSDave Airlie { 471643aba7ebSDave Airlie struct drm_device *dev = connector->dev; 4717ecbbe59bSThierry Reding int ret; 471843aba7ebSDave Airlie 4719d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4720d2ed3436SDaniel Stone &connector->path_blob_ptr, 4721d2ed3436SDaniel Stone strlen(path) + 1, 4722d2ed3436SDaniel Stone path, 4723d2ed3436SDaniel Stone &connector->base, 4724d2ed3436SDaniel Stone dev->mode_config.path_property); 472543aba7ebSDave Airlie return ret; 472643aba7ebSDave Airlie } 472743aba7ebSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_path_property); 472843aba7ebSDave Airlie 4729c8e32cc1SDaniel Vetter /** 47306f134d7bSDave Airlie * drm_mode_connector_set_tile_property - set tile property on connector 47316f134d7bSDave Airlie * @connector: connector to set property on. 47326f134d7bSDave Airlie * 47336f134d7bSDave Airlie * This looks up the tile information for a connector, and creates a 47346f134d7bSDave Airlie * property for userspace to parse if it exists. The property is of 47356f134d7bSDave Airlie * the form of 8 integers using ':' as a separator. 47366f134d7bSDave Airlie * 47376f134d7bSDave Airlie * Returns: 47386f134d7bSDave Airlie * Zero on success, errno on failure. 47396f134d7bSDave Airlie */ 47406f134d7bSDave Airlie int drm_mode_connector_set_tile_property(struct drm_connector *connector) 47416f134d7bSDave Airlie { 47426f134d7bSDave Airlie struct drm_device *dev = connector->dev; 47436f134d7bSDave Airlie char tile[256]; 4744d2ed3436SDaniel Stone int ret; 47456f134d7bSDave Airlie 47466f134d7bSDave Airlie if (!connector->has_tile) { 4747d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4748d2ed3436SDaniel Stone &connector->tile_blob_ptr, 4749d2ed3436SDaniel Stone 0, 4750d2ed3436SDaniel Stone NULL, 4751d2ed3436SDaniel Stone &connector->base, 4752d2ed3436SDaniel Stone dev->mode_config.tile_property); 47536f134d7bSDave Airlie return ret; 47546f134d7bSDave Airlie } 47556f134d7bSDave Airlie 47566f134d7bSDave Airlie snprintf(tile, 256, "%d:%d:%d:%d:%d:%d:%d:%d", 47576f134d7bSDave Airlie connector->tile_group->id, connector->tile_is_single_monitor, 47586f134d7bSDave Airlie connector->num_h_tile, connector->num_v_tile, 47596f134d7bSDave Airlie connector->tile_h_loc, connector->tile_v_loc, 47606f134d7bSDave Airlie connector->tile_h_size, connector->tile_v_size); 47616f134d7bSDave Airlie 4762d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4763d2ed3436SDaniel Stone &connector->tile_blob_ptr, 4764d2ed3436SDaniel Stone strlen(tile) + 1, 4765d2ed3436SDaniel Stone tile, 4766d2ed3436SDaniel Stone &connector->base, 4767d2ed3436SDaniel Stone dev->mode_config.tile_property); 47686f134d7bSDave Airlie return ret; 47696f134d7bSDave Airlie } 47706f134d7bSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_tile_property); 47716f134d7bSDave Airlie 47726f134d7bSDave Airlie /** 4773c8e32cc1SDaniel Vetter * drm_mode_connector_update_edid_property - update the edid property of a connector 4774c8e32cc1SDaniel Vetter * @connector: drm connector 4775c8e32cc1SDaniel Vetter * @edid: new value of the edid property 4776c8e32cc1SDaniel Vetter * 4777c8e32cc1SDaniel Vetter * This function creates a new blob modeset object and assigns its id to the 4778c8e32cc1SDaniel Vetter * connector's edid property. 4779c8e32cc1SDaniel Vetter * 4780c8e32cc1SDaniel Vetter * Returns: 47811a498633SDaniel Vetter * Zero on success, negative errno on failure. 4782c8e32cc1SDaniel Vetter */ 4783f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 478412e6cecdSThierry Reding const struct edid *edid) 4785f453ba04SDave Airlie { 4786f453ba04SDave Airlie struct drm_device *dev = connector->dev; 4787d2ed3436SDaniel Stone size_t size = 0; 4788ecbbe59bSThierry Reding int ret; 4789f453ba04SDave Airlie 47904cf2b281SThomas Wood /* ignore requests to set edid when overridden */ 47914cf2b281SThomas Wood if (connector->override_edid) 47924cf2b281SThomas Wood return 0; 47934cf2b281SThomas Wood 4794d2ed3436SDaniel Stone if (edid) 4795e24ff467SShixin Zeng size = EDID_LENGTH * (1 + edid->extensions); 4796f453ba04SDave Airlie 4797d2ed3436SDaniel Stone ret = drm_property_replace_global_blob(dev, 4798d2ed3436SDaniel Stone &connector->edid_blob_ptr, 4799d2ed3436SDaniel Stone size, 4800d2ed3436SDaniel Stone edid, 4801d2ed3436SDaniel Stone &connector->base, 4802d2ed3436SDaniel Stone dev->mode_config.edid_property); 4803f453ba04SDave Airlie return ret; 4804f453ba04SDave Airlie } 4805f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 4806f453ba04SDave Airlie 48073843e71fSRob Clark /* Some properties could refer to dynamic refcnt'd objects, or things that 48083843e71fSRob Clark * need special locking to handle lifetime issues (ie. to ensure the prop 48093843e71fSRob Clark * value doesn't become invalid part way through the property update due to 48103843e71fSRob Clark * race). The value returned by reference via 'obj' should be passed back 48113843e71fSRob Clark * to drm_property_change_valid_put() after the property is set (and the 48123843e71fSRob Clark * object to which the property is attached has a chance to take it's own 48133843e71fSRob Clark * reference). 48143843e71fSRob Clark */ 4815d34f20d6SRob Clark bool drm_property_change_valid_get(struct drm_property *property, 48163843e71fSRob Clark uint64_t value, struct drm_mode_object **ref) 481726a34815SPaulo Zanoni { 48182ca651d1SThierry Reding int i; 48192ca651d1SThierry Reding 482026a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 482126a34815SPaulo Zanoni return false; 48225ea22f24SRob Clark 48233843e71fSRob Clark *ref = NULL; 48243843e71fSRob Clark 48255ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) { 482626a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 482726a34815SPaulo Zanoni return false; 482826a34815SPaulo Zanoni return true; 4829ebc44cf3SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { 4830ebc44cf3SRob Clark int64_t svalue = U642I64(value); 48314dfd909fSThierry Reding 4832ebc44cf3SRob Clark if (svalue < U642I64(property->values[0]) || 4833ebc44cf3SRob Clark svalue > U642I64(property->values[1])) 4834ebc44cf3SRob Clark return false; 4835ebc44cf3SRob Clark return true; 48365ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 4837592c20eeSVille Syrjälä uint64_t valid_mask = 0; 48384dfd909fSThierry Reding 483949e27545SRob Clark for (i = 0; i < property->num_values; i++) 484049e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 484149e27545SRob Clark return !(value & ~valid_mask); 48425ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { 48436bcacf51SDaniel Stone struct drm_property_blob *blob; 48446bcacf51SDaniel Stone 48456bcacf51SDaniel Stone if (value == 0) 4846c4a56750SVille Syrjälä return true; 48476bcacf51SDaniel Stone 48486bcacf51SDaniel Stone blob = drm_property_lookup_blob(property->dev, value); 48496bcacf51SDaniel Stone if (blob) { 48506bcacf51SDaniel Stone *ref = &blob->base; 48516bcacf51SDaniel Stone return true; 48526bcacf51SDaniel Stone } else { 48536bcacf51SDaniel Stone return false; 48546bcacf51SDaniel Stone } 485598f75de4SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 485698f75de4SRob Clark /* a zero value for an object property translates to null: */ 485798f75de4SRob Clark if (value == 0) 485898f75de4SRob Clark return true; 48593843e71fSRob Clark 48603843e71fSRob Clark /* handle refcnt'd objects specially: */ 48613843e71fSRob Clark if (property->values[0] == DRM_MODE_OBJECT_FB) { 48623843e71fSRob Clark struct drm_framebuffer *fb; 48633843e71fSRob Clark fb = drm_framebuffer_lookup(property->dev, value); 48643843e71fSRob Clark if (fb) { 48653843e71fSRob Clark *ref = &fb->base; 48663843e71fSRob Clark return true; 48673843e71fSRob Clark } else { 48683843e71fSRob Clark return false; 48693843e71fSRob Clark } 48703843e71fSRob Clark } else { 48713843e71fSRob Clark return _object_find(property->dev, value, property->values[0]) != NULL; 48723843e71fSRob Clark } 48732ca651d1SThierry Reding } 48742ca651d1SThierry Reding 487526a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 487626a34815SPaulo Zanoni if (property->values[i] == value) 487726a34815SPaulo Zanoni return true; 487826a34815SPaulo Zanoni return false; 487926a34815SPaulo Zanoni } 488026a34815SPaulo Zanoni 4881d34f20d6SRob Clark void drm_property_change_valid_put(struct drm_property *property, 48823843e71fSRob Clark struct drm_mode_object *ref) 48833843e71fSRob Clark { 48843843e71fSRob Clark if (!ref) 48853843e71fSRob Clark return; 48863843e71fSRob Clark 48873843e71fSRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 48883843e71fSRob Clark if (property->values[0] == DRM_MODE_OBJECT_FB) 48893843e71fSRob Clark drm_framebuffer_unreference(obj_to_fb(ref)); 4890da9b2a38SDaniel Stone } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) 4891da9b2a38SDaniel Stone drm_property_unreference_blob(obj_to_blob(ref)); 48923843e71fSRob Clark } 48933843e71fSRob Clark 4894c8e32cc1SDaniel Vetter /** 4895c8e32cc1SDaniel Vetter * drm_mode_connector_property_set_ioctl - set the current value of a connector property 4896c8e32cc1SDaniel Vetter * @dev: DRM device 4897c8e32cc1SDaniel Vetter * @data: ioctl data 4898c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4899c8e32cc1SDaniel Vetter * 4900c8e32cc1SDaniel Vetter * This function sets the current value for a connectors's property. It also 4901c8e32cc1SDaniel Vetter * calls into a driver's ->set_property callback to update the hardware state 4902c8e32cc1SDaniel Vetter * 4903c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4904c8e32cc1SDaniel Vetter * 4905c8e32cc1SDaniel Vetter * Returns: 49061a498633SDaniel Vetter * Zero on success, negative errno on failure. 4907c8e32cc1SDaniel Vetter */ 4908f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 4909f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4910f453ba04SDave Airlie { 49110057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 49120057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 49130057d8ddSPaulo Zanoni .value = conn_set_prop->value, 49140057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 49150057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 49160057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 49170057d8ddSPaulo Zanoni }; 4918f453ba04SDave Airlie 49190057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 49200057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 4921f453ba04SDave Airlie } 4922f453ba04SDave Airlie 4923c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 4924c543188aSPaulo Zanoni struct drm_property *property, 4925c543188aSPaulo Zanoni uint64_t value) 4926c543188aSPaulo Zanoni { 4927c543188aSPaulo Zanoni int ret = -EINVAL; 4928c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 4929c543188aSPaulo Zanoni 4930c543188aSPaulo Zanoni /* Do DPMS ourselves */ 4931c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 49329a69a9acSMaarten Lankhorst ret = (*connector->funcs->dpms)(connector, (int)value); 4933c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 4934c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 4935c543188aSPaulo Zanoni 4936c543188aSPaulo Zanoni /* store the property value if successful */ 4937c543188aSPaulo Zanoni if (!ret) 493858495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 4939c543188aSPaulo Zanoni return ret; 4940c543188aSPaulo Zanoni } 4941c543188aSPaulo Zanoni 4942bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 4943bffd9de0SPaulo Zanoni struct drm_property *property, 4944bffd9de0SPaulo Zanoni uint64_t value) 4945bffd9de0SPaulo Zanoni { 4946bffd9de0SPaulo Zanoni int ret = -EINVAL; 4947bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 4948bffd9de0SPaulo Zanoni 4949bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 4950bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 4951bffd9de0SPaulo Zanoni if (!ret) 4952bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 4953bffd9de0SPaulo Zanoni 4954bffd9de0SPaulo Zanoni return ret; 4955bffd9de0SPaulo Zanoni } 4956bffd9de0SPaulo Zanoni 49573a5f87c2SThomas Wood /** 49583a5f87c2SThomas Wood * drm_mode_plane_set_obj_prop - set the value of a property 49593a5f87c2SThomas Wood * @plane: drm plane object to set property value for 49603a5f87c2SThomas Wood * @property: property to set 49613a5f87c2SThomas Wood * @value: value the property should be set to 49623a5f87c2SThomas Wood * 49633a5f87c2SThomas Wood * This functions sets a given property on a given plane object. This function 49643a5f87c2SThomas Wood * calls the driver's ->set_property callback and changes the software state of 49653a5f87c2SThomas Wood * the property if the callback succeeds. 49663a5f87c2SThomas Wood * 49673a5f87c2SThomas Wood * Returns: 49683a5f87c2SThomas Wood * Zero on success, error code on failure. 49693a5f87c2SThomas Wood */ 49703a5f87c2SThomas Wood int drm_mode_plane_set_obj_prop(struct drm_plane *plane, 49714d93914aSRob Clark struct drm_property *property, 49724d93914aSRob Clark uint64_t value) 49734d93914aSRob Clark { 49744d93914aSRob Clark int ret = -EINVAL; 49753a5f87c2SThomas Wood struct drm_mode_object *obj = &plane->base; 49764d93914aSRob Clark 49774d93914aSRob Clark if (plane->funcs->set_property) 49784d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 49794d93914aSRob Clark if (!ret) 49804d93914aSRob Clark drm_object_property_set_value(obj, property, value); 49814d93914aSRob Clark 49824d93914aSRob Clark return ret; 49834d93914aSRob Clark } 49843a5f87c2SThomas Wood EXPORT_SYMBOL(drm_mode_plane_set_obj_prop); 49854d93914aSRob Clark 4986c8e32cc1SDaniel Vetter /** 49871a498633SDaniel Vetter * drm_mode_obj_get_properties_ioctl - get the current value of a object's property 4988c8e32cc1SDaniel Vetter * @dev: DRM device 4989c8e32cc1SDaniel Vetter * @data: ioctl data 4990c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4991c8e32cc1SDaniel Vetter * 4992c8e32cc1SDaniel Vetter * This function retrieves the current value for an object's property. Compared 4993c8e32cc1SDaniel Vetter * to the connector specific ioctl this one is extended to also work on crtc and 4994c8e32cc1SDaniel Vetter * plane objects. 4995c8e32cc1SDaniel Vetter * 4996c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4997c8e32cc1SDaniel Vetter * 4998c8e32cc1SDaniel Vetter * Returns: 49991a498633SDaniel Vetter * Zero on success, negative errno on failure. 5000c8e32cc1SDaniel Vetter */ 5001c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 5002c543188aSPaulo Zanoni struct drm_file *file_priv) 5003c543188aSPaulo Zanoni { 5004c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 5005c543188aSPaulo Zanoni struct drm_mode_object *obj; 5006c543188aSPaulo Zanoni int ret = 0; 5007c543188aSPaulo Zanoni 5008c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5009c543188aSPaulo Zanoni return -EINVAL; 5010c543188aSPaulo Zanoni 501184849903SDaniel Vetter drm_modeset_lock_all(dev); 5012c543188aSPaulo Zanoni 5013c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 5014c543188aSPaulo Zanoni if (!obj) { 5015f27657f2SVille Syrjälä ret = -ENOENT; 5016c543188aSPaulo Zanoni goto out; 5017c543188aSPaulo Zanoni } 5018c543188aSPaulo Zanoni if (!obj->properties) { 5019c543188aSPaulo Zanoni ret = -EINVAL; 5020c543188aSPaulo Zanoni goto out; 5021c543188aSPaulo Zanoni } 5022c543188aSPaulo Zanoni 502388a48e29SRob Clark ret = get_properties(obj, file_priv->atomic, 502495cbf110SRob Clark (uint32_t __user *)(unsigned long)(arg->props_ptr), 502595cbf110SRob Clark (uint64_t __user *)(unsigned long)(arg->prop_values_ptr), 502695cbf110SRob Clark &arg->count_props); 5027c543188aSPaulo Zanoni 5028c543188aSPaulo Zanoni out: 502984849903SDaniel Vetter drm_modeset_unlock_all(dev); 5030c543188aSPaulo Zanoni return ret; 5031c543188aSPaulo Zanoni } 5032c543188aSPaulo Zanoni 5033c8e32cc1SDaniel Vetter /** 5034c8e32cc1SDaniel Vetter * drm_mode_obj_set_property_ioctl - set the current value of an object's property 5035c8e32cc1SDaniel Vetter * @dev: DRM device 5036c8e32cc1SDaniel Vetter * @data: ioctl data 5037c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5038c8e32cc1SDaniel Vetter * 5039c8e32cc1SDaniel Vetter * This function sets the current value for an object's property. It also calls 5040c8e32cc1SDaniel Vetter * into a driver's ->set_property callback to update the hardware state. 5041c8e32cc1SDaniel Vetter * Compared to the connector specific ioctl this one is extended to also work on 5042c8e32cc1SDaniel Vetter * crtc and plane objects. 5043c8e32cc1SDaniel Vetter * 5044c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5045c8e32cc1SDaniel Vetter * 5046c8e32cc1SDaniel Vetter * Returns: 50471a498633SDaniel Vetter * Zero on success, negative errno on failure. 5048c8e32cc1SDaniel Vetter */ 5049c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 5050c543188aSPaulo Zanoni struct drm_file *file_priv) 5051c543188aSPaulo Zanoni { 5052c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 5053c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 5054c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 5055c543188aSPaulo Zanoni struct drm_property *property; 50563843e71fSRob Clark int i, ret = -EINVAL; 50573843e71fSRob Clark struct drm_mode_object *ref; 5058c543188aSPaulo Zanoni 5059c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5060c543188aSPaulo Zanoni return -EINVAL; 5061c543188aSPaulo Zanoni 506284849903SDaniel Vetter drm_modeset_lock_all(dev); 5063c543188aSPaulo Zanoni 5064c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 5065f27657f2SVille Syrjälä if (!arg_obj) { 5066f27657f2SVille Syrjälä ret = -ENOENT; 5067c543188aSPaulo Zanoni goto out; 5068f27657f2SVille Syrjälä } 5069c543188aSPaulo Zanoni if (!arg_obj->properties) 5070c543188aSPaulo Zanoni goto out; 5071c543188aSPaulo Zanoni 50727f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 5073b17cd757SRob Clark if (arg_obj->properties->properties[i]->base.id == arg->prop_id) 5074c543188aSPaulo Zanoni break; 5075c543188aSPaulo Zanoni 50767f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 5077c543188aSPaulo Zanoni goto out; 5078c543188aSPaulo Zanoni 5079c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 5080c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 5081f27657f2SVille Syrjälä if (!prop_obj) { 5082f27657f2SVille Syrjälä ret = -ENOENT; 5083c543188aSPaulo Zanoni goto out; 5084f27657f2SVille Syrjälä } 5085c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 5086c543188aSPaulo Zanoni 50873843e71fSRob Clark if (!drm_property_change_valid_get(property, arg->value, &ref)) 5088c543188aSPaulo Zanoni goto out; 5089c543188aSPaulo Zanoni 5090c543188aSPaulo Zanoni switch (arg_obj->type) { 5091c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 5092c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 5093c543188aSPaulo Zanoni arg->value); 5094c543188aSPaulo Zanoni break; 5095bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 5096bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 5097bffd9de0SPaulo Zanoni break; 50984d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 50993a5f87c2SThomas Wood ret = drm_mode_plane_set_obj_prop(obj_to_plane(arg_obj), 51003a5f87c2SThomas Wood property, arg->value); 51014d93914aSRob Clark break; 5102c543188aSPaulo Zanoni } 5103c543188aSPaulo Zanoni 51043843e71fSRob Clark drm_property_change_valid_put(property, ref); 51053843e71fSRob Clark 5106c543188aSPaulo Zanoni out: 510784849903SDaniel Vetter drm_modeset_unlock_all(dev); 5108c543188aSPaulo Zanoni return ret; 5109c543188aSPaulo Zanoni } 5110c543188aSPaulo Zanoni 5111c8e32cc1SDaniel Vetter /** 5112c8e32cc1SDaniel Vetter * drm_mode_connector_attach_encoder - attach a connector to an encoder 5113c8e32cc1SDaniel Vetter * @connector: connector to attach 5114c8e32cc1SDaniel Vetter * @encoder: encoder to attach @connector to 5115c8e32cc1SDaniel Vetter * 5116c8e32cc1SDaniel Vetter * This function links up a connector to an encoder. Note that the routing 5117c8e32cc1SDaniel Vetter * restrictions between encoders and crtcs are exposed to userspace through the 5118c8e32cc1SDaniel Vetter * possible_clones and possible_crtcs bitmasks. 5119c8e32cc1SDaniel Vetter * 5120c8e32cc1SDaniel Vetter * Returns: 51211a498633SDaniel Vetter * Zero on success, negative errno on failure. 5122c8e32cc1SDaniel Vetter */ 5123f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 5124f453ba04SDave Airlie struct drm_encoder *encoder) 5125f453ba04SDave Airlie { 5126f453ba04SDave Airlie int i; 5127f453ba04SDave Airlie 5128eb47fe80SThierry Reding /* 5129eb47fe80SThierry Reding * In the past, drivers have attempted to model the static association 5130eb47fe80SThierry Reding * of connector to encoder in simple connector/encoder devices using a 5131eb47fe80SThierry Reding * direct assignment of connector->encoder = encoder. This connection 5132eb47fe80SThierry Reding * is a logical one and the responsibility of the core, so drivers are 5133eb47fe80SThierry Reding * expected not to mess with this. 5134eb47fe80SThierry Reding * 5135eb47fe80SThierry Reding * Note that the error return should've been enough here, but a large 5136eb47fe80SThierry Reding * majority of drivers ignores the return value, so add in a big WARN 5137eb47fe80SThierry Reding * to get people's attention. 5138eb47fe80SThierry Reding */ 5139eb47fe80SThierry Reding if (WARN_ON(connector->encoder)) 5140eb47fe80SThierry Reding return -EINVAL; 5141eb47fe80SThierry Reding 5142f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 5143f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 5144f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 5145f453ba04SDave Airlie return 0; 5146f453ba04SDave Airlie } 5147f453ba04SDave Airlie } 5148f453ba04SDave Airlie return -ENOMEM; 5149f453ba04SDave Airlie } 5150f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 5151f453ba04SDave Airlie 5152c8e32cc1SDaniel Vetter /** 5153c8e32cc1SDaniel Vetter * drm_mode_crtc_set_gamma_size - set the gamma table size 5154c8e32cc1SDaniel Vetter * @crtc: CRTC to set the gamma table size for 5155c8e32cc1SDaniel Vetter * @gamma_size: size of the gamma table 5156c8e32cc1SDaniel Vetter * 5157c8e32cc1SDaniel Vetter * Drivers which support gamma tables should set this to the supported gamma 5158c8e32cc1SDaniel Vetter * table size when initializing the CRTC. Currently the drm core only supports a 5159c8e32cc1SDaniel Vetter * fixed gamma table size. 5160c8e32cc1SDaniel Vetter * 5161c8e32cc1SDaniel Vetter * Returns: 51621a498633SDaniel Vetter * Zero on success, negative errno on failure. 5163c8e32cc1SDaniel Vetter */ 51644cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 5165f453ba04SDave Airlie int gamma_size) 5166f453ba04SDave Airlie { 5167f453ba04SDave Airlie crtc->gamma_size = gamma_size; 5168f453ba04SDave Airlie 5169bd3f0ff9SThierry Reding crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3, 5170bd3f0ff9SThierry Reding GFP_KERNEL); 5171f453ba04SDave Airlie if (!crtc->gamma_store) { 5172f453ba04SDave Airlie crtc->gamma_size = 0; 51734cae5b84SSascha Hauer return -ENOMEM; 5174f453ba04SDave Airlie } 5175f453ba04SDave Airlie 51764cae5b84SSascha Hauer return 0; 5177f453ba04SDave Airlie } 5178f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 5179f453ba04SDave Airlie 5180c8e32cc1SDaniel Vetter /** 5181c8e32cc1SDaniel Vetter * drm_mode_gamma_set_ioctl - set the gamma table 5182c8e32cc1SDaniel Vetter * @dev: DRM device 5183c8e32cc1SDaniel Vetter * @data: ioctl data 5184c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5185c8e32cc1SDaniel Vetter * 5186c8e32cc1SDaniel Vetter * Set the gamma table of a CRTC to the one passed in by the user. Userspace can 5187c8e32cc1SDaniel Vetter * inquire the required gamma table size through drm_mode_gamma_get_ioctl. 5188c8e32cc1SDaniel Vetter * 5189c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5190c8e32cc1SDaniel Vetter * 5191c8e32cc1SDaniel Vetter * Returns: 51921a498633SDaniel Vetter * Zero on success, negative errno on failure. 5193c8e32cc1SDaniel Vetter */ 5194f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 5195f453ba04SDave Airlie void *data, struct drm_file *file_priv) 5196f453ba04SDave Airlie { 5197f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 5198f453ba04SDave Airlie struct drm_crtc *crtc; 5199f453ba04SDave Airlie void *r_base, *g_base, *b_base; 5200f453ba04SDave Airlie int size; 5201f453ba04SDave Airlie int ret = 0; 5202f453ba04SDave Airlie 5203fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5204fb3b06c8SDave Airlie return -EINVAL; 5205fb3b06c8SDave Airlie 520684849903SDaniel Vetter drm_modeset_lock_all(dev); 5207a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 5208a2b34e22SRob Clark if (!crtc) { 5209f27657f2SVille Syrjälä ret = -ENOENT; 5210f453ba04SDave Airlie goto out; 5211f453ba04SDave Airlie } 5212f453ba04SDave Airlie 5213ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 5214ebe0f244SLaurent Pinchart ret = -ENOSYS; 5215ebe0f244SLaurent Pinchart goto out; 5216ebe0f244SLaurent Pinchart } 5217ebe0f244SLaurent Pinchart 5218f453ba04SDave Airlie /* memcpy into gamma store */ 5219f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 5220f453ba04SDave Airlie ret = -EINVAL; 5221f453ba04SDave Airlie goto out; 5222f453ba04SDave Airlie } 5223f453ba04SDave Airlie 5224f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 5225f453ba04SDave Airlie r_base = crtc->gamma_store; 5226f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 5227f453ba04SDave Airlie ret = -EFAULT; 5228f453ba04SDave Airlie goto out; 5229f453ba04SDave Airlie } 5230f453ba04SDave Airlie 5231f453ba04SDave Airlie g_base = r_base + size; 5232f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 5233f453ba04SDave Airlie ret = -EFAULT; 5234f453ba04SDave Airlie goto out; 5235f453ba04SDave Airlie } 5236f453ba04SDave Airlie 5237f453ba04SDave Airlie b_base = g_base + size; 5238f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 5239f453ba04SDave Airlie ret = -EFAULT; 5240f453ba04SDave Airlie goto out; 5241f453ba04SDave Airlie } 5242f453ba04SDave Airlie 52437203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 5244f453ba04SDave Airlie 5245f453ba04SDave Airlie out: 524684849903SDaniel Vetter drm_modeset_unlock_all(dev); 5247f453ba04SDave Airlie return ret; 5248f453ba04SDave Airlie 5249f453ba04SDave Airlie } 5250f453ba04SDave Airlie 5251c8e32cc1SDaniel Vetter /** 5252c8e32cc1SDaniel Vetter * drm_mode_gamma_get_ioctl - get the gamma table 5253c8e32cc1SDaniel Vetter * @dev: DRM device 5254c8e32cc1SDaniel Vetter * @data: ioctl data 5255c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5256c8e32cc1SDaniel Vetter * 5257c8e32cc1SDaniel Vetter * Copy the current gamma table into the storage provided. This also provides 5258c8e32cc1SDaniel Vetter * the gamma table size the driver expects, which can be used to size the 5259c8e32cc1SDaniel Vetter * allocated storage. 5260c8e32cc1SDaniel Vetter * 5261c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5262c8e32cc1SDaniel Vetter * 5263c8e32cc1SDaniel Vetter * Returns: 52641a498633SDaniel Vetter * Zero on success, negative errno on failure. 5265c8e32cc1SDaniel Vetter */ 5266f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 5267f453ba04SDave Airlie void *data, struct drm_file *file_priv) 5268f453ba04SDave Airlie { 5269f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 5270f453ba04SDave Airlie struct drm_crtc *crtc; 5271f453ba04SDave Airlie void *r_base, *g_base, *b_base; 5272f453ba04SDave Airlie int size; 5273f453ba04SDave Airlie int ret = 0; 5274f453ba04SDave Airlie 5275fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 5276fb3b06c8SDave Airlie return -EINVAL; 5277fb3b06c8SDave Airlie 527884849903SDaniel Vetter drm_modeset_lock_all(dev); 5279a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 5280a2b34e22SRob Clark if (!crtc) { 5281f27657f2SVille Syrjälä ret = -ENOENT; 5282f453ba04SDave Airlie goto out; 5283f453ba04SDave Airlie } 5284f453ba04SDave Airlie 5285f453ba04SDave Airlie /* memcpy into gamma store */ 5286f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 5287f453ba04SDave Airlie ret = -EINVAL; 5288f453ba04SDave Airlie goto out; 5289f453ba04SDave Airlie } 5290f453ba04SDave Airlie 5291f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 5292f453ba04SDave Airlie r_base = crtc->gamma_store; 5293f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 5294f453ba04SDave Airlie ret = -EFAULT; 5295f453ba04SDave Airlie goto out; 5296f453ba04SDave Airlie } 5297f453ba04SDave Airlie 5298f453ba04SDave Airlie g_base = r_base + size; 5299f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 5300f453ba04SDave Airlie ret = -EFAULT; 5301f453ba04SDave Airlie goto out; 5302f453ba04SDave Airlie } 5303f453ba04SDave Airlie 5304f453ba04SDave Airlie b_base = g_base + size; 5305f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 5306f453ba04SDave Airlie ret = -EFAULT; 5307f453ba04SDave Airlie goto out; 5308f453ba04SDave Airlie } 5309f453ba04SDave Airlie out: 531084849903SDaniel Vetter drm_modeset_unlock_all(dev); 5311f453ba04SDave Airlie return ret; 5312f453ba04SDave Airlie } 5313d91d8a3fSKristian Høgsberg 5314c8e32cc1SDaniel Vetter /** 5315c8e32cc1SDaniel Vetter * drm_mode_page_flip_ioctl - schedule an asynchronous fb update 5316c8e32cc1SDaniel Vetter * @dev: DRM device 5317c8e32cc1SDaniel Vetter * @data: ioctl data 5318c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5319c8e32cc1SDaniel Vetter * 5320c8e32cc1SDaniel Vetter * This schedules an asynchronous update on a given CRTC, called page flip. 5321c8e32cc1SDaniel Vetter * Optionally a drm event is generated to signal the completion of the event. 5322c8e32cc1SDaniel Vetter * Generic drivers cannot assume that a pageflip with changed framebuffer 5323c8e32cc1SDaniel Vetter * properties (including driver specific metadata like tiling layout) will work, 5324c8e32cc1SDaniel Vetter * but some drivers support e.g. pixel format changes through the pageflip 5325c8e32cc1SDaniel Vetter * ioctl. 5326c8e32cc1SDaniel Vetter * 5327c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5328c8e32cc1SDaniel Vetter * 5329c8e32cc1SDaniel Vetter * Returns: 53301a498633SDaniel Vetter * Zero on success, negative errno on failure. 5331c8e32cc1SDaniel Vetter */ 5332d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 5333d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 5334d91d8a3fSKristian Høgsberg { 5335d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 5336d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 53373d30a59bSDaniel Vetter struct drm_framebuffer *fb = NULL; 5338d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 5339d91d8a3fSKristian Høgsberg int ret = -EINVAL; 5340d91d8a3fSKristian Høgsberg 5341d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 5342d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 5343d91d8a3fSKristian Høgsberg return -EINVAL; 5344d91d8a3fSKristian Høgsberg 534562f2104fSKeith Packard if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip) 534662f2104fSKeith Packard return -EINVAL; 534762f2104fSKeith Packard 5348a2b34e22SRob Clark crtc = drm_crtc_find(dev, page_flip->crtc_id); 5349a2b34e22SRob Clark if (!crtc) 5350f27657f2SVille Syrjälä return -ENOENT; 5351d91d8a3fSKristian Høgsberg 53524d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 5353f4510a27SMatt Roper if (crtc->primary->fb == NULL) { 535490c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 535590c1efddSChris Wilson * due to a hotplug event, that userspace has not 535690c1efddSChris Wilson * yet discovered. 535790c1efddSChris Wilson */ 535890c1efddSChris Wilson ret = -EBUSY; 535990c1efddSChris Wilson goto out; 536090c1efddSChris Wilson } 536190c1efddSChris Wilson 5362d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 5363d91d8a3fSKristian Høgsberg goto out; 5364d91d8a3fSKristian Høgsberg 5365786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 536637c4e705SVille Syrjälä if (!fb) { 536737c4e705SVille Syrjälä ret = -ENOENT; 5368d91d8a3fSKristian Høgsberg goto out; 536937c4e705SVille Syrjälä } 5370d91d8a3fSKristian Høgsberg 53712afa701dSVille Syrjälä if (crtc->state) { 53722afa701dSVille Syrjälä const struct drm_plane_state *state = crtc->primary->state; 53732afa701dSVille Syrjälä 53742afa701dSVille Syrjälä ret = check_src_coords(state->src_x, state->src_y, 53752afa701dSVille Syrjälä state->src_w, state->src_h, fb); 53762afa701dSVille Syrjälä } else { 5377c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb); 53782afa701dSVille Syrjälä } 5379c11e9283SDamien Lespiau if (ret) 53805f61bb42SVille Syrjälä goto out; 53815f61bb42SVille Syrjälä 5382f4510a27SMatt Roper if (crtc->primary->fb->pixel_format != fb->pixel_format) { 5383909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 5384909d9cdaSLaurent Pinchart ret = -EINVAL; 5385909d9cdaSLaurent Pinchart goto out; 5386909d9cdaSLaurent Pinchart } 5387909d9cdaSLaurent Pinchart 5388d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 53892dd500f1SDaniel Vetter e = kzalloc(sizeof *e, GFP_KERNEL); 53902dd500f1SDaniel Vetter if (!e) { 5391d91d8a3fSKristian Høgsberg ret = -ENOMEM; 5392d91d8a3fSKristian Høgsberg goto out; 5393d91d8a3fSKristian Høgsberg } 53947bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 5395f76511b9SThierry Reding e->event.base.length = sizeof(e->event); 5396d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 53972dd500f1SDaniel Vetter ret = drm_event_reserve_init(dev, file_priv, &e->base, &e->event.base); 53982dd500f1SDaniel Vetter if (ret) { 53992dd500f1SDaniel Vetter kfree(e); 54002dd500f1SDaniel Vetter goto out; 54012dd500f1SDaniel Vetter } 5402d91d8a3fSKristian Høgsberg } 5403d91d8a3fSKristian Høgsberg 54043d30a59bSDaniel Vetter crtc->primary->old_fb = crtc->primary->fb; 5405ed8d1975SKeith Packard ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags); 5406d91d8a3fSKristian Høgsberg if (ret) { 54072dd500f1SDaniel Vetter if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) 54082dd500f1SDaniel Vetter drm_event_cancel_free(dev, &e->base); 5409b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 54103d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 5411b0d12325SDaniel Vetter } else { 54123cb43cc0SDaniel Vetter crtc->primary->fb = fb; 5413b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 5414b0d12325SDaniel Vetter fb = NULL; 5415aef6a7eeSJoonyoung Shim } 5416d91d8a3fSKristian Høgsberg 5417d91d8a3fSKristian Høgsberg out: 5418b0d12325SDaniel Vetter if (fb) 5419b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 54203d30a59bSDaniel Vetter if (crtc->primary->old_fb) 54213d30a59bSDaniel Vetter drm_framebuffer_unreference(crtc->primary->old_fb); 54223d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 5423d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 5424b4d5e7d1SDaniel Vetter 5425d91d8a3fSKristian Høgsberg return ret; 5426d91d8a3fSKristian Høgsberg } 5427eb033556SChris Wilson 5428c8e32cc1SDaniel Vetter /** 5429c8e32cc1SDaniel Vetter * drm_mode_config_reset - call ->reset callbacks 5430c8e32cc1SDaniel Vetter * @dev: drm device 5431c8e32cc1SDaniel Vetter * 5432c8e32cc1SDaniel Vetter * This functions calls all the crtc's, encoder's and connector's ->reset 5433c8e32cc1SDaniel Vetter * callback. Drivers can use this in e.g. their driver load or resume code to 5434c8e32cc1SDaniel Vetter * reset hardware and software state. 5435c8e32cc1SDaniel Vetter */ 5436eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 5437eb033556SChris Wilson { 5438eb033556SChris Wilson struct drm_crtc *crtc; 54392a0d7cfdSDaniel Vetter struct drm_plane *plane; 5440eb033556SChris Wilson struct drm_encoder *encoder; 5441eb033556SChris Wilson struct drm_connector *connector; 5442eb033556SChris Wilson 5443e4f62546SDaniel Vetter drm_for_each_plane(plane, dev) 54442a0d7cfdSDaniel Vetter if (plane->funcs->reset) 54452a0d7cfdSDaniel Vetter plane->funcs->reset(plane); 54462a0d7cfdSDaniel Vetter 5447e4f62546SDaniel Vetter drm_for_each_crtc(crtc, dev) 5448eb033556SChris Wilson if (crtc->funcs->reset) 5449eb033556SChris Wilson crtc->funcs->reset(crtc); 5450eb033556SChris Wilson 5451e4f62546SDaniel Vetter drm_for_each_encoder(encoder, dev) 5452eb033556SChris Wilson if (encoder->funcs->reset) 5453eb033556SChris Wilson encoder->funcs->reset(encoder); 5454eb033556SChris Wilson 5455f8c2ba31SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 54564eebf60bSDave Airlie drm_for_each_connector(connector, dev) 5457eb033556SChris Wilson if (connector->funcs->reset) 5458eb033556SChris Wilson connector->funcs->reset(connector); 5459f8c2ba31SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 54605e2cb2f6SDaniel Vetter } 5461eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 5462ff72145bSDave Airlie 5463c8e32cc1SDaniel Vetter /** 5464c8e32cc1SDaniel Vetter * drm_mode_create_dumb_ioctl - create a dumb backing storage buffer 5465c8e32cc1SDaniel Vetter * @dev: DRM device 5466c8e32cc1SDaniel Vetter * @data: ioctl data 5467c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5468c8e32cc1SDaniel Vetter * 5469c8e32cc1SDaniel Vetter * This creates a new dumb buffer in the driver's backing storage manager (GEM, 5470c8e32cc1SDaniel Vetter * TTM or something else entirely) and returns the resulting buffer handle. This 5471c8e32cc1SDaniel Vetter * handle can then be wrapped up into a framebuffer modeset object. 5472c8e32cc1SDaniel Vetter * 5473c8e32cc1SDaniel Vetter * Note that userspace is not allowed to use such objects for render 5474c8e32cc1SDaniel Vetter * acceleration - drivers must create their own private ioctls for such a use 5475c8e32cc1SDaniel Vetter * case. 5476c8e32cc1SDaniel Vetter * 5477c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5478c8e32cc1SDaniel Vetter * 5479c8e32cc1SDaniel Vetter * Returns: 54801a498633SDaniel Vetter * Zero on success, negative errno on failure. 5481c8e32cc1SDaniel Vetter */ 5482ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 5483ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5484ff72145bSDave Airlie { 5485ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 5486b28cd41fSDavid Herrmann u32 cpp, stride, size; 5487ff72145bSDave Airlie 5488ff72145bSDave Airlie if (!dev->driver->dumb_create) 5489ff72145bSDave Airlie return -ENOSYS; 5490b28cd41fSDavid Herrmann if (!args->width || !args->height || !args->bpp) 5491b28cd41fSDavid Herrmann return -EINVAL; 5492b28cd41fSDavid Herrmann 5493b28cd41fSDavid Herrmann /* overflow checks for 32bit size calculations */ 549400e72089SDavid Herrmann /* NOTE: DIV_ROUND_UP() can overflow */ 5495b28cd41fSDavid Herrmann cpp = DIV_ROUND_UP(args->bpp, 8); 549600e72089SDavid Herrmann if (!cpp || cpp > 0xffffffffU / args->width) 5497b28cd41fSDavid Herrmann return -EINVAL; 5498b28cd41fSDavid Herrmann stride = cpp * args->width; 5499b28cd41fSDavid Herrmann if (args->height > 0xffffffffU / stride) 5500b28cd41fSDavid Herrmann return -EINVAL; 5501b28cd41fSDavid Herrmann 5502b28cd41fSDavid Herrmann /* test for wrap-around */ 5503b28cd41fSDavid Herrmann size = args->height * stride; 5504b28cd41fSDavid Herrmann if (PAGE_ALIGN(size) == 0) 5505b28cd41fSDavid Herrmann return -EINVAL; 5506b28cd41fSDavid Herrmann 5507f6085952SThierry Reding /* 5508f6085952SThierry Reding * handle, pitch and size are output parameters. Zero them out to 5509f6085952SThierry Reding * prevent drivers from accidentally using uninitialized data. Since 5510f6085952SThierry Reding * not all existing userspace is clearing these fields properly we 5511f6085952SThierry Reding * cannot reject IOCTL with garbage in them. 5512f6085952SThierry Reding */ 5513f6085952SThierry Reding args->handle = 0; 5514f6085952SThierry Reding args->pitch = 0; 5515f6085952SThierry Reding args->size = 0; 5516f6085952SThierry Reding 5517ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 5518ff72145bSDave Airlie } 5519ff72145bSDave Airlie 5520c8e32cc1SDaniel Vetter /** 5521c8e32cc1SDaniel Vetter * drm_mode_mmap_dumb_ioctl - create an mmap offset for a dumb backing storage buffer 5522c8e32cc1SDaniel Vetter * @dev: DRM device 5523c8e32cc1SDaniel Vetter * @data: ioctl data 5524c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5525c8e32cc1SDaniel Vetter * 5526c8e32cc1SDaniel Vetter * Allocate an offset in the drm device node's address space to be able to 5527c8e32cc1SDaniel Vetter * memory map a dumb buffer. 5528c8e32cc1SDaniel Vetter * 5529c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5530c8e32cc1SDaniel Vetter * 5531c8e32cc1SDaniel Vetter * Returns: 55321a498633SDaniel Vetter * Zero on success, negative errno on failure. 5533c8e32cc1SDaniel Vetter */ 5534ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 5535ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5536ff72145bSDave Airlie { 5537ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 5538ff72145bSDave Airlie 5539ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 5540ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 5541ff72145bSDave Airlie return -ENOSYS; 5542ff72145bSDave Airlie 5543ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 5544ff72145bSDave Airlie } 5545ff72145bSDave Airlie 5546c8e32cc1SDaniel Vetter /** 5547c8e32cc1SDaniel Vetter * drm_mode_destroy_dumb_ioctl - destroy a dumb backing strage buffer 5548c8e32cc1SDaniel Vetter * @dev: DRM device 5549c8e32cc1SDaniel Vetter * @data: ioctl data 5550c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5551c8e32cc1SDaniel Vetter * 5552c8e32cc1SDaniel Vetter * This destroys the userspace handle for the given dumb backing storage buffer. 5553c8e32cc1SDaniel Vetter * Since buffer objects must be reference counted in the kernel a buffer object 5554c8e32cc1SDaniel Vetter * won't be immediately freed if a framebuffer modeset object still uses it. 5555c8e32cc1SDaniel Vetter * 5556c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5557c8e32cc1SDaniel Vetter * 5558c8e32cc1SDaniel Vetter * Returns: 55591a498633SDaniel Vetter * Zero on success, negative errno on failure. 5560c8e32cc1SDaniel Vetter */ 5561ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 5562ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5563ff72145bSDave Airlie { 5564ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 5565ff72145bSDave Airlie 5566ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 5567ff72145bSDave Airlie return -ENOSYS; 5568ff72145bSDave Airlie 5569ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 5570ff72145bSDave Airlie } 5571248dbc23SDave Airlie 5572c8e32cc1SDaniel Vetter /** 5573c8e32cc1SDaniel Vetter * drm_fb_get_bpp_depth - get the bpp/depth values for format 5574c8e32cc1SDaniel Vetter * @format: pixel format (DRM_FORMAT_*) 5575c8e32cc1SDaniel Vetter * @depth: storage for the depth value 5576c8e32cc1SDaniel Vetter * @bpp: storage for the bpp value 5577c8e32cc1SDaniel Vetter * 5578c8e32cc1SDaniel Vetter * This only supports RGB formats here for compat with code that doesn't use 5579c8e32cc1SDaniel Vetter * pixel formats directly yet. 5580248dbc23SDave Airlie */ 5581248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 5582248dbc23SDave Airlie int *bpp) 5583248dbc23SDave Airlie { 5584248dbc23SDave Airlie switch (format) { 5585c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 558604b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 558704b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 5588248dbc23SDave Airlie *depth = 8; 5589248dbc23SDave Airlie *bpp = 8; 5590248dbc23SDave Airlie break; 559104b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 559204b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 559304b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 559404b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 559504b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 559604b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 559704b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 559804b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 5599248dbc23SDave Airlie *depth = 15; 5600248dbc23SDave Airlie *bpp = 16; 5601248dbc23SDave Airlie break; 560204b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 560304b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 5604248dbc23SDave Airlie *depth = 16; 5605248dbc23SDave Airlie *bpp = 16; 5606248dbc23SDave Airlie break; 560704b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 560804b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 560904b3924dSVille Syrjälä *depth = 24; 561004b3924dSVille Syrjälä *bpp = 24; 561104b3924dSVille Syrjälä break; 561204b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 561304b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 561404b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 561504b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 5616248dbc23SDave Airlie *depth = 24; 5617248dbc23SDave Airlie *bpp = 32; 5618248dbc23SDave Airlie break; 561904b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 562004b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 562104b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 562204b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 562304b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 562404b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 562504b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 562604b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 5627248dbc23SDave Airlie *depth = 30; 5628248dbc23SDave Airlie *bpp = 32; 5629248dbc23SDave Airlie break; 563004b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 563104b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 563204b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 563304b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 5634248dbc23SDave Airlie *depth = 32; 5635248dbc23SDave Airlie *bpp = 32; 5636248dbc23SDave Airlie break; 5637248dbc23SDave Airlie default: 563823c453a4SVille Syrjälä DRM_DEBUG_KMS("unsupported pixel format %s\n", 563923c453a4SVille Syrjälä drm_get_format_name(format)); 5640248dbc23SDave Airlie *depth = 0; 5641248dbc23SDave Airlie *bpp = 0; 5642248dbc23SDave Airlie break; 5643248dbc23SDave Airlie } 5644248dbc23SDave Airlie } 5645248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 5646141670e9SVille Syrjälä 5647141670e9SVille Syrjälä /** 5648141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 5649141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 5650141670e9SVille Syrjälä * 5651c8e32cc1SDaniel Vetter * Returns: 5652141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 5653141670e9SVille Syrjälä */ 5654141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 5655141670e9SVille Syrjälä { 5656141670e9SVille Syrjälä switch (format) { 5657141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 5658141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 5659141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 5660141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 5661141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 5662141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 5663141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 5664141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 5665141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 5666141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 5667141670e9SVille Syrjälä return 3; 5668141670e9SVille Syrjälä case DRM_FORMAT_NV12: 5669141670e9SVille Syrjälä case DRM_FORMAT_NV21: 5670141670e9SVille Syrjälä case DRM_FORMAT_NV16: 5671141670e9SVille Syrjälä case DRM_FORMAT_NV61: 5672ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 5673ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 5674141670e9SVille Syrjälä return 2; 5675141670e9SVille Syrjälä default: 5676141670e9SVille Syrjälä return 1; 5677141670e9SVille Syrjälä } 5678141670e9SVille Syrjälä } 5679141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 56805a86bd55SVille Syrjälä 56815a86bd55SVille Syrjälä /** 56825a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 56835a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 56845a86bd55SVille Syrjälä * @plane: plane index 56855a86bd55SVille Syrjälä * 5686c8e32cc1SDaniel Vetter * Returns: 56875a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 56885a86bd55SVille Syrjälä */ 56895a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 56905a86bd55SVille Syrjälä { 56915a86bd55SVille Syrjälä unsigned int depth; 56925a86bd55SVille Syrjälä int bpp; 56935a86bd55SVille Syrjälä 56945a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 56955a86bd55SVille Syrjälä return 0; 56965a86bd55SVille Syrjälä 56975a86bd55SVille Syrjälä switch (format) { 56985a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 56995a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 57005a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 57015a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 57025a86bd55SVille Syrjälä return 2; 57035a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 57045a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 57055a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 57065a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 5707ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 5708ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 57095a86bd55SVille Syrjälä return plane ? 2 : 1; 57105a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 57115a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 57125a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 57135a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 57145a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 57155a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 57165a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 57175a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 57185a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 57195a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 57205a86bd55SVille Syrjälä return 1; 57215a86bd55SVille Syrjälä default: 57225a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 57235a86bd55SVille Syrjälä return bpp >> 3; 57245a86bd55SVille Syrjälä } 57255a86bd55SVille Syrjälä } 57265a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 572701b68b04SVille Syrjälä 572801b68b04SVille Syrjälä /** 572901b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 573001b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 573101b68b04SVille Syrjälä * 5732c8e32cc1SDaniel Vetter * Returns: 573301b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 573401b68b04SVille Syrjälä * specified pixel format. 573501b68b04SVille Syrjälä */ 573601b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 573701b68b04SVille Syrjälä { 573801b68b04SVille Syrjälä switch (format) { 573901b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 574001b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 574101b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 574201b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 574301b68b04SVille Syrjälä return 4; 574401b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 574501b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 574601b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 574701b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 574801b68b04SVille Syrjälä case DRM_FORMAT_NV12: 574901b68b04SVille Syrjälä case DRM_FORMAT_NV21: 575001b68b04SVille Syrjälä case DRM_FORMAT_NV16: 575101b68b04SVille Syrjälä case DRM_FORMAT_NV61: 575201b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 575301b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 575401b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 575501b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 575601b68b04SVille Syrjälä return 2; 575701b68b04SVille Syrjälä default: 575801b68b04SVille Syrjälä return 1; 575901b68b04SVille Syrjälä } 576001b68b04SVille Syrjälä } 576101b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 576201b68b04SVille Syrjälä 576301b68b04SVille Syrjälä /** 576401b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 576501b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 576601b68b04SVille Syrjälä * 5767c8e32cc1SDaniel Vetter * Returns: 576801b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 576901b68b04SVille Syrjälä * specified pixel format. 577001b68b04SVille Syrjälä */ 577101b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 577201b68b04SVille Syrjälä { 577301b68b04SVille Syrjälä switch (format) { 577401b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 577501b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 577601b68b04SVille Syrjälä return 4; 577701b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 577801b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 577901b68b04SVille Syrjälä case DRM_FORMAT_NV12: 578001b68b04SVille Syrjälä case DRM_FORMAT_NV21: 578101b68b04SVille Syrjälä return 2; 578201b68b04SVille Syrjälä default: 578301b68b04SVille Syrjälä return 1; 578401b68b04SVille Syrjälä } 578501b68b04SVille Syrjälä } 578601b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 578787d24fc3SLaurent Pinchart 578887d24fc3SLaurent Pinchart /** 57894c61716cSVille Syrjälä * drm_format_plane_width - width of the plane given the first plane 57904c61716cSVille Syrjälä * @width: width of the first plane 57914c61716cSVille Syrjälä * @format: pixel format 57924c61716cSVille Syrjälä * @plane: plane index 57934c61716cSVille Syrjälä * 57944c61716cSVille Syrjälä * Returns: 57954c61716cSVille Syrjälä * The width of @plane, given that the width of the first plane is @width. 57964c61716cSVille Syrjälä */ 57974c61716cSVille Syrjälä int drm_format_plane_width(int width, uint32_t format, int plane) 57984c61716cSVille Syrjälä { 57994c61716cSVille Syrjälä if (plane >= drm_format_num_planes(format)) 58004c61716cSVille Syrjälä return 0; 58014c61716cSVille Syrjälä 58024c61716cSVille Syrjälä if (plane == 0) 58034c61716cSVille Syrjälä return width; 58044c61716cSVille Syrjälä 58054c61716cSVille Syrjälä return width / drm_format_horz_chroma_subsampling(format); 58064c61716cSVille Syrjälä } 58074c61716cSVille Syrjälä EXPORT_SYMBOL(drm_format_plane_width); 58084c61716cSVille Syrjälä 58094c61716cSVille Syrjälä /** 58104c61716cSVille Syrjälä * drm_format_plane_height - height of the plane given the first plane 58114c61716cSVille Syrjälä * @height: height of the first plane 58124c61716cSVille Syrjälä * @format: pixel format 58134c61716cSVille Syrjälä * @plane: plane index 58144c61716cSVille Syrjälä * 58154c61716cSVille Syrjälä * Returns: 58164c61716cSVille Syrjälä * The height of @plane, given that the height of the first plane is @height. 58174c61716cSVille Syrjälä */ 58184c61716cSVille Syrjälä int drm_format_plane_height(int height, uint32_t format, int plane) 58194c61716cSVille Syrjälä { 58204c61716cSVille Syrjälä if (plane >= drm_format_num_planes(format)) 58214c61716cSVille Syrjälä return 0; 58224c61716cSVille Syrjälä 58234c61716cSVille Syrjälä if (plane == 0) 58244c61716cSVille Syrjälä return height; 58254c61716cSVille Syrjälä 58264c61716cSVille Syrjälä return height / drm_format_vert_chroma_subsampling(format); 58274c61716cSVille Syrjälä } 58284c61716cSVille Syrjälä EXPORT_SYMBOL(drm_format_plane_height); 58294c61716cSVille Syrjälä 58304c61716cSVille Syrjälä /** 58313c9855f6SVille Syrjälä * drm_rotation_simplify() - Try to simplify the rotation 58323c9855f6SVille Syrjälä * @rotation: Rotation to be simplified 58333c9855f6SVille Syrjälä * @supported_rotations: Supported rotations 58343c9855f6SVille Syrjälä * 58353c9855f6SVille Syrjälä * Attempt to simplify the rotation to a form that is supported. 58363c9855f6SVille Syrjälä * Eg. if the hardware supports everything except DRM_REFLECT_X 58373c9855f6SVille Syrjälä * one could call this function like this: 58383c9855f6SVille Syrjälä * 58393c9855f6SVille Syrjälä * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) | 58403c9855f6SVille Syrjälä * BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) | 58413c9855f6SVille Syrjälä * BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y)); 58423c9855f6SVille Syrjälä * 58433c9855f6SVille Syrjälä * to eliminate the DRM_ROTATE_X flag. Depending on what kind of 58443c9855f6SVille Syrjälä * transforms the hardware supports, this function may not 58453c9855f6SVille Syrjälä * be able to produce a supported transform, so the caller should 58463c9855f6SVille Syrjälä * check the result afterwards. 58473c9855f6SVille Syrjälä */ 58483c9855f6SVille Syrjälä unsigned int drm_rotation_simplify(unsigned int rotation, 58493c9855f6SVille Syrjälä unsigned int supported_rotations) 58503c9855f6SVille Syrjälä { 58513c9855f6SVille Syrjälä if (rotation & ~supported_rotations) { 58523c9855f6SVille Syrjälä rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y); 585314152c8dSJoonas Lahtinen rotation = (rotation & DRM_REFLECT_MASK) | 585414152c8dSJoonas Lahtinen BIT((ffs(rotation & DRM_ROTATE_MASK) + 1) % 4); 58553c9855f6SVille Syrjälä } 58563c9855f6SVille Syrjälä 58573c9855f6SVille Syrjälä return rotation; 58583c9855f6SVille Syrjälä } 58593c9855f6SVille Syrjälä EXPORT_SYMBOL(drm_rotation_simplify); 58603c9855f6SVille Syrjälä 58613c9855f6SVille Syrjälä /** 586287d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 586387d24fc3SLaurent Pinchart * @dev: DRM device 586487d24fc3SLaurent Pinchart * 586587d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 586687d24fc3SLaurent Pinchart * configuration of @dev. 586787d24fc3SLaurent Pinchart * 586887d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 586987d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 587087d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 587187d24fc3SLaurent Pinchart * 587287d24fc3SLaurent Pinchart */ 587387d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 587487d24fc3SLaurent Pinchart { 587587d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 587651fd371bSRob Clark drm_modeset_lock_init(&dev->mode_config.connection_mutex); 587787d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 587887d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 58798fb6e7a5SDaniel Stone mutex_init(&dev->mode_config.blob_lock); 588087d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 588187d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 588287d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 588387d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 588487d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 588587d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 588687d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 588787d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 5888138f9ebbSDave Airlie idr_init(&dev->mode_config.tile_idr); 58895fff80bbSMaarten Lankhorst ida_init(&dev->mode_config.connector_ida); 589087d24fc3SLaurent Pinchart 589187d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 58926b4959f4SRob Clark drm_mode_create_standard_properties(dev); 589387d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 589487d24fc3SLaurent Pinchart 589587d24fc3SLaurent Pinchart /* Just to be sure */ 589687d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 589787d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 589887d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 589987d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 5900e27dde3eSMatt Roper dev->mode_config.num_overlay_plane = 0; 5901e27dde3eSMatt Roper dev->mode_config.num_total_plane = 0; 590287d24fc3SLaurent Pinchart } 590387d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 590487d24fc3SLaurent Pinchart 590587d24fc3SLaurent Pinchart /** 590687d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 590787d24fc3SLaurent Pinchart * @dev: DRM device 590887d24fc3SLaurent Pinchart * 590987d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 591087d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 591187d24fc3SLaurent Pinchart * 591287d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 591387d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 591487d24fc3SLaurent Pinchart * this guarantee actually holds true. 591587d24fc3SLaurent Pinchart * 591687d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 591787d24fc3SLaurent Pinchart */ 591887d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 591987d24fc3SLaurent Pinchart { 592087d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 592187d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 592287d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 592387d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 592487d24fc3SLaurent Pinchart struct drm_property *property, *pt; 592587d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 592687d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 592787d24fc3SLaurent Pinchart 592887d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 592987d24fc3SLaurent Pinchart head) { 593087d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 593187d24fc3SLaurent Pinchart } 593287d24fc3SLaurent Pinchart 593387d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 593487d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 593587d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 593687d24fc3SLaurent Pinchart } 593787d24fc3SLaurent Pinchart 593887d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 593987d24fc3SLaurent Pinchart head) { 594087d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 594187d24fc3SLaurent Pinchart } 594287d24fc3SLaurent Pinchart 5943f35034f8SMaarten Lankhorst list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 5944f35034f8SMaarten Lankhorst head) { 5945f35034f8SMaarten Lankhorst plane->funcs->destroy(plane); 5946f35034f8SMaarten Lankhorst } 5947f35034f8SMaarten Lankhorst 5948f35034f8SMaarten Lankhorst list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 5949f35034f8SMaarten Lankhorst crtc->funcs->destroy(crtc); 5950f35034f8SMaarten Lankhorst } 5951f35034f8SMaarten Lankhorst 595287d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 5953e2f5d2eaSDaniel Stone head_global) { 59546bcacf51SDaniel Stone drm_property_unreference_blob(blob); 595587d24fc3SLaurent Pinchart } 595687d24fc3SLaurent Pinchart 595787d24fc3SLaurent Pinchart /* 595887d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 595987d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 596087d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 596187d24fc3SLaurent Pinchart * 596287d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 596387d24fc3SLaurent Pinchart * so politely WARN about this. 596487d24fc3SLaurent Pinchart */ 596587d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 596687d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 5967d0f37cf6SDave Airlie drm_framebuffer_free(&fb->base.refcount); 596887d24fc3SLaurent Pinchart } 596987d24fc3SLaurent Pinchart 59705fff80bbSMaarten Lankhorst ida_destroy(&dev->mode_config.connector_ida); 5971138f9ebbSDave Airlie idr_destroy(&dev->mode_config.tile_idr); 597287d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 597351fd371bSRob Clark drm_modeset_lock_fini(&dev->mode_config.connection_mutex); 597487d24fc3SLaurent Pinchart } 597587d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 5976c1df5f3cSVille Syrjälä 5977c1df5f3cSVille Syrjälä struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, 5978c1df5f3cSVille Syrjälä unsigned int supported_rotations) 5979c1df5f3cSVille Syrjälä { 5980c1df5f3cSVille Syrjälä static const struct drm_prop_enum_list props[] = { 5981c1df5f3cSVille Syrjälä { DRM_ROTATE_0, "rotate-0" }, 5982c1df5f3cSVille Syrjälä { DRM_ROTATE_90, "rotate-90" }, 5983c1df5f3cSVille Syrjälä { DRM_ROTATE_180, "rotate-180" }, 5984c1df5f3cSVille Syrjälä { DRM_ROTATE_270, "rotate-270" }, 5985c1df5f3cSVille Syrjälä { DRM_REFLECT_X, "reflect-x" }, 5986c1df5f3cSVille Syrjälä { DRM_REFLECT_Y, "reflect-y" }, 5987c1df5f3cSVille Syrjälä }; 5988c1df5f3cSVille Syrjälä 5989c1df5f3cSVille Syrjälä return drm_property_create_bitmask(dev, 0, "rotation", 5990c1df5f3cSVille Syrjälä props, ARRAY_SIZE(props), 5991c1df5f3cSVille Syrjälä supported_rotations); 5992c1df5f3cSVille Syrjälä } 5993c1df5f3cSVille Syrjälä EXPORT_SYMBOL(drm_mode_create_rotation_property); 5994138f9ebbSDave Airlie 5995138f9ebbSDave Airlie /** 5996138f9ebbSDave Airlie * DOC: Tile group 5997138f9ebbSDave Airlie * 5998138f9ebbSDave Airlie * Tile groups are used to represent tiled monitors with a unique 5999138f9ebbSDave Airlie * integer identifier. Tiled monitors using DisplayID v1.3 have 6000138f9ebbSDave Airlie * a unique 8-byte handle, we store this in a tile group, so we 6001138f9ebbSDave Airlie * have a common identifier for all tiles in a monitor group. 6002138f9ebbSDave Airlie */ 6003138f9ebbSDave Airlie static void drm_tile_group_free(struct kref *kref) 6004138f9ebbSDave Airlie { 6005138f9ebbSDave Airlie struct drm_tile_group *tg = container_of(kref, struct drm_tile_group, refcount); 6006138f9ebbSDave Airlie struct drm_device *dev = tg->dev; 6007138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 6008138f9ebbSDave Airlie idr_remove(&dev->mode_config.tile_idr, tg->id); 6009138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6010138f9ebbSDave Airlie kfree(tg); 6011138f9ebbSDave Airlie } 6012138f9ebbSDave Airlie 6013138f9ebbSDave Airlie /** 6014138f9ebbSDave Airlie * drm_mode_put_tile_group - drop a reference to a tile group. 6015138f9ebbSDave Airlie * @dev: DRM device 6016138f9ebbSDave Airlie * @tg: tile group to drop reference to. 6017138f9ebbSDave Airlie * 6018138f9ebbSDave Airlie * drop reference to tile group and free if 0. 6019138f9ebbSDave Airlie */ 6020138f9ebbSDave Airlie void drm_mode_put_tile_group(struct drm_device *dev, 6021138f9ebbSDave Airlie struct drm_tile_group *tg) 6022138f9ebbSDave Airlie { 6023138f9ebbSDave Airlie kref_put(&tg->refcount, drm_tile_group_free); 6024138f9ebbSDave Airlie } 6025138f9ebbSDave Airlie 6026138f9ebbSDave Airlie /** 6027138f9ebbSDave Airlie * drm_mode_get_tile_group - get a reference to an existing tile group 6028138f9ebbSDave Airlie * @dev: DRM device 6029138f9ebbSDave Airlie * @topology: 8-bytes unique per monitor. 6030138f9ebbSDave Airlie * 6031138f9ebbSDave Airlie * Use the unique bytes to get a reference to an existing tile group. 6032138f9ebbSDave Airlie * 6033138f9ebbSDave Airlie * RETURNS: 6034138f9ebbSDave Airlie * tile group or NULL if not found. 6035138f9ebbSDave Airlie */ 6036138f9ebbSDave Airlie struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, 6037138f9ebbSDave Airlie char topology[8]) 6038138f9ebbSDave Airlie { 6039138f9ebbSDave Airlie struct drm_tile_group *tg; 6040138f9ebbSDave Airlie int id; 6041138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 6042138f9ebbSDave Airlie idr_for_each_entry(&dev->mode_config.tile_idr, tg, id) { 6043138f9ebbSDave Airlie if (!memcmp(tg->group_data, topology, 8)) { 6044138f9ebbSDave Airlie if (!kref_get_unless_zero(&tg->refcount)) 6045138f9ebbSDave Airlie tg = NULL; 6046138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6047138f9ebbSDave Airlie return tg; 6048138f9ebbSDave Airlie } 6049138f9ebbSDave Airlie } 6050138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6051138f9ebbSDave Airlie return NULL; 6052138f9ebbSDave Airlie } 605381ddd1bcSRob Clark EXPORT_SYMBOL(drm_mode_get_tile_group); 6054138f9ebbSDave Airlie 6055138f9ebbSDave Airlie /** 6056138f9ebbSDave Airlie * drm_mode_create_tile_group - create a tile group from a displayid description 6057138f9ebbSDave Airlie * @dev: DRM device 6058138f9ebbSDave Airlie * @topology: 8-bytes unique per monitor. 6059138f9ebbSDave Airlie * 6060138f9ebbSDave Airlie * Create a tile group for the unique monitor, and get a unique 6061138f9ebbSDave Airlie * identifier for the tile group. 6062138f9ebbSDave Airlie * 6063138f9ebbSDave Airlie * RETURNS: 6064138f9ebbSDave Airlie * new tile group or error. 6065138f9ebbSDave Airlie */ 6066138f9ebbSDave Airlie struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, 6067138f9ebbSDave Airlie char topology[8]) 6068138f9ebbSDave Airlie { 6069138f9ebbSDave Airlie struct drm_tile_group *tg; 6070138f9ebbSDave Airlie int ret; 6071138f9ebbSDave Airlie 6072138f9ebbSDave Airlie tg = kzalloc(sizeof(*tg), GFP_KERNEL); 6073138f9ebbSDave Airlie if (!tg) 6074138f9ebbSDave Airlie return ERR_PTR(-ENOMEM); 6075138f9ebbSDave Airlie 6076138f9ebbSDave Airlie kref_init(&tg->refcount); 6077138f9ebbSDave Airlie memcpy(tg->group_data, topology, 8); 6078138f9ebbSDave Airlie tg->dev = dev; 6079138f9ebbSDave Airlie 6080138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 6081138f9ebbSDave Airlie ret = idr_alloc(&dev->mode_config.tile_idr, tg, 1, 0, GFP_KERNEL); 6082138f9ebbSDave Airlie if (ret >= 0) { 6083138f9ebbSDave Airlie tg->id = ret; 6084138f9ebbSDave Airlie } else { 6085138f9ebbSDave Airlie kfree(tg); 6086138f9ebbSDave Airlie tg = ERR_PTR(ret); 6087138f9ebbSDave Airlie } 6088138f9ebbSDave Airlie 6089138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 6090138f9ebbSDave Airlie return tg; 6091138f9ebbSDave Airlie } 609281ddd1bcSRob Clark EXPORT_SYMBOL(drm_mode_create_tile_group); 6093