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 46c394c2b0SMatt Roper static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev, 47c394c2b0SMatt Roper struct drm_mode_fb_cmd2 *r, 48c394c2b0SMatt Roper struct drm_file *file_priv); 49c394c2b0SMatt Roper 50f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 51f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 52d20d3174SVille Syrjälä const char *fnname(int val) \ 53f453ba04SDave Airlie { \ 54f453ba04SDave Airlie int i; \ 55f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 56f453ba04SDave Airlie if (list[i].type == val) \ 57f453ba04SDave Airlie return list[i].name; \ 58f453ba04SDave Airlie } \ 59f453ba04SDave Airlie return "(unknown)"; \ 60f453ba04SDave Airlie } 61f453ba04SDave Airlie 62f453ba04SDave Airlie /* 63f453ba04SDave Airlie * Global properties 64f453ba04SDave Airlie */ 654dfd909fSThierry Reding static const struct drm_prop_enum_list drm_dpms_enum_list[] = { 664dfd909fSThierry Reding { DRM_MODE_DPMS_ON, "On" }, 67f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 68f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 69f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 70f453ba04SDave Airlie }; 71f453ba04SDave Airlie 72f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 73f453ba04SDave Airlie 744dfd909fSThierry Reding static const struct drm_prop_enum_list drm_plane_type_enum_list[] = { 759922ab5aSRob Clark { DRM_PLANE_TYPE_OVERLAY, "Overlay" }, 769922ab5aSRob Clark { DRM_PLANE_TYPE_PRIMARY, "Primary" }, 779922ab5aSRob Clark { DRM_PLANE_TYPE_CURSOR, "Cursor" }, 789922ab5aSRob Clark }; 799922ab5aSRob Clark 80f453ba04SDave Airlie /* 81f453ba04SDave Airlie * Optional properties 82f453ba04SDave Airlie */ 834dfd909fSThierry Reding static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = { 8453bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 8553bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 8653bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 8753bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 88f453ba04SDave Airlie }; 89f453ba04SDave Airlie 90ff587e45SVandana Kannan static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = { 91ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" }, 92ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_4_3, "4:3" }, 93ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" }, 94ff587e45SVandana Kannan }; 95ff587e45SVandana Kannan 96f453ba04SDave Airlie /* 97f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 98f453ba04SDave Airlie */ 994dfd909fSThierry Reding static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = { 100f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 101f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 102f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 103f453ba04SDave Airlie }; 104f453ba04SDave Airlie 105f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 106f453ba04SDave Airlie 1074dfd909fSThierry Reding static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = { 108f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 109f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 110f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 111f453ba04SDave Airlie }; 112f453ba04SDave Airlie 113f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 114f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 115f453ba04SDave Airlie 1164dfd909fSThierry Reding static const struct drm_prop_enum_list drm_tv_select_enum_list[] = { 117f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 118f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 119f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 120f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 121aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 122f453ba04SDave Airlie }; 123f453ba04SDave Airlie 124f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 125f453ba04SDave Airlie 1264dfd909fSThierry Reding static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = { 127f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 128f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 129f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 130f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 131aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 132f453ba04SDave Airlie }; 133f453ba04SDave Airlie 134f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 135f453ba04SDave Airlie drm_tv_subconnector_enum_list) 136f453ba04SDave Airlie 137d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 138884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 139884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 140884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 141884840aaSJakob Bornecrantz }; 142884840aaSJakob Bornecrantz 143f453ba04SDave Airlie struct drm_conn_prop_enum_list { 144f453ba04SDave Airlie int type; 145d20d3174SVille Syrjälä const char *name; 146b21e3afeSIlia Mirkin struct ida ida; 147f453ba04SDave Airlie }; 148f453ba04SDave Airlie 149f453ba04SDave Airlie /* 150f453ba04SDave Airlie * Connector and encoder types. 151f453ba04SDave Airlie */ 1524dfd909fSThierry Reding static struct drm_conn_prop_enum_list drm_connector_enum_list[] = { 1534dfd909fSThierry Reding { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, 154b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VGA, "VGA" }, 155b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, 156b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, 157b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, 158b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Composite, "Composite" }, 159b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" }, 160b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, 161b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Component, "Component" }, 162b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_9PinDIN, "DIN" }, 163b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, 164b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, 165b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, 166b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_TV, "TV" }, 167b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_eDP, "eDP" }, 168b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, 169b8923273SShobhit Kumar { DRM_MODE_CONNECTOR_DSI, "DSI" }, 170f453ba04SDave Airlie }; 171f453ba04SDave Airlie 1724dfd909fSThierry Reding static const struct drm_prop_enum_list drm_encoder_enum_list[] = { 1734dfd909fSThierry Reding { DRM_MODE_ENCODER_NONE, "None" }, 174f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 175f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 176f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 177f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 178a7331e5cSThomas Hellstrom { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, 179b8923273SShobhit Kumar { DRM_MODE_ENCODER_DSI, "DSI" }, 180182407a6SDave Airlie { DRM_MODE_ENCODER_DPMST, "DP MST" }, 181f453ba04SDave Airlie }; 182f453ba04SDave Airlie 1834dfd909fSThierry Reding static const struct drm_prop_enum_list drm_subpixel_enum_list[] = { 184ac1bb36cSJesse Barnes { SubPixelUnknown, "Unknown" }, 185ac1bb36cSJesse Barnes { SubPixelHorizontalRGB, "Horizontal RGB" }, 186ac1bb36cSJesse Barnes { SubPixelHorizontalBGR, "Horizontal BGR" }, 187ac1bb36cSJesse Barnes { SubPixelVerticalRGB, "Vertical RGB" }, 188ac1bb36cSJesse Barnes { SubPixelVerticalBGR, "Vertical BGR" }, 189ac1bb36cSJesse Barnes { SubPixelNone, "None" }, 190ac1bb36cSJesse Barnes }; 191ac1bb36cSJesse Barnes 192b21e3afeSIlia Mirkin void drm_connector_ida_init(void) 193b21e3afeSIlia Mirkin { 194b21e3afeSIlia Mirkin int i; 195b21e3afeSIlia Mirkin 196b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 197b21e3afeSIlia Mirkin ida_init(&drm_connector_enum_list[i].ida); 198b21e3afeSIlia Mirkin } 199b21e3afeSIlia Mirkin 200b21e3afeSIlia Mirkin void drm_connector_ida_destroy(void) 201b21e3afeSIlia Mirkin { 202b21e3afeSIlia Mirkin int i; 203b21e3afeSIlia Mirkin 204b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 205b21e3afeSIlia Mirkin ida_destroy(&drm_connector_enum_list[i].ida); 206b21e3afeSIlia Mirkin } 207b21e3afeSIlia Mirkin 208c8e32cc1SDaniel Vetter /** 209c8e32cc1SDaniel Vetter * drm_get_connector_status_name - return a string for connector status 210c8e32cc1SDaniel Vetter * @status: connector status to compute name of 211c8e32cc1SDaniel Vetter * 212c8e32cc1SDaniel Vetter * In contrast to the other drm_get_*_name functions this one here returns a 213c8e32cc1SDaniel Vetter * const pointer and hence is threadsafe. 214c8e32cc1SDaniel Vetter */ 215d20d3174SVille Syrjälä const char *drm_get_connector_status_name(enum drm_connector_status status) 216f453ba04SDave Airlie { 217f453ba04SDave Airlie if (status == connector_status_connected) 218f453ba04SDave Airlie return "connected"; 219f453ba04SDave Airlie else if (status == connector_status_disconnected) 220f453ba04SDave Airlie return "disconnected"; 221f453ba04SDave Airlie else 222f453ba04SDave Airlie return "unknown"; 223f453ba04SDave Airlie } 224ed7951dcSLespiau, Damien EXPORT_SYMBOL(drm_get_connector_status_name); 225f453ba04SDave Airlie 226ac1bb36cSJesse Barnes /** 227ac1bb36cSJesse Barnes * drm_get_subpixel_order_name - return a string for a given subpixel enum 228ac1bb36cSJesse Barnes * @order: enum of subpixel_order 229ac1bb36cSJesse Barnes * 230ac1bb36cSJesse Barnes * Note you could abuse this and return something out of bounds, but that 231ac1bb36cSJesse Barnes * would be a caller error. No unscrubbed user data should make it here. 232ac1bb36cSJesse Barnes */ 233ac1bb36cSJesse Barnes const char *drm_get_subpixel_order_name(enum subpixel_order order) 234ac1bb36cSJesse Barnes { 235ac1bb36cSJesse Barnes return drm_subpixel_enum_list[order].name; 236ac1bb36cSJesse Barnes } 237ac1bb36cSJesse Barnes EXPORT_SYMBOL(drm_get_subpixel_order_name); 238ac1bb36cSJesse Barnes 2396ba6d03eSVille Syrjälä static char printable_char(int c) 2406ba6d03eSVille Syrjälä { 2416ba6d03eSVille Syrjälä return isascii(c) && isprint(c) ? c : '?'; 2426ba6d03eSVille Syrjälä } 2436ba6d03eSVille Syrjälä 244c8e32cc1SDaniel Vetter /** 245c8e32cc1SDaniel Vetter * drm_get_format_name - return a string for drm fourcc format 246c8e32cc1SDaniel Vetter * @format: format to compute name of 247c8e32cc1SDaniel Vetter * 248c8e32cc1SDaniel Vetter * Note that the buffer used by this function is globally shared and owned by 249c8e32cc1SDaniel Vetter * the function itself. 250c8e32cc1SDaniel Vetter * 251c8e32cc1SDaniel Vetter * FIXME: This isn't really multithreading safe. 252c8e32cc1SDaniel Vetter */ 253d20d3174SVille Syrjälä const char *drm_get_format_name(uint32_t format) 2546ba6d03eSVille Syrjälä { 2556ba6d03eSVille Syrjälä static char buf[32]; 2566ba6d03eSVille Syrjälä 2576ba6d03eSVille Syrjälä snprintf(buf, sizeof(buf), 2586ba6d03eSVille Syrjälä "%c%c%c%c %s-endian (0x%08x)", 2596ba6d03eSVille Syrjälä printable_char(format & 0xff), 2606ba6d03eSVille Syrjälä printable_char((format >> 8) & 0xff), 2616ba6d03eSVille Syrjälä printable_char((format >> 16) & 0xff), 2626ba6d03eSVille Syrjälä printable_char((format >> 24) & 0x7f), 2636ba6d03eSVille Syrjälä format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", 2646ba6d03eSVille Syrjälä format); 2656ba6d03eSVille Syrjälä 2666ba6d03eSVille Syrjälä return buf; 2676ba6d03eSVille Syrjälä } 2686ba6d03eSVille Syrjälä EXPORT_SYMBOL(drm_get_format_name); 2696ba6d03eSVille Syrjälä 2702ee39452SDave Airlie /* 2712ee39452SDave Airlie * Internal function to assign a slot in the object idr and optionally 2722ee39452SDave Airlie * register the object into the idr. 2732ee39452SDave Airlie */ 2742ee39452SDave Airlie static int drm_mode_object_get_reg(struct drm_device *dev, 2752ee39452SDave Airlie struct drm_mode_object *obj, 2762ee39452SDave Airlie uint32_t obj_type, 2772ee39452SDave Airlie bool register_obj) 2782ee39452SDave Airlie { 2792ee39452SDave Airlie int ret; 2802ee39452SDave Airlie 2812ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 2822ee39452SDave Airlie ret = idr_alloc(&dev->mode_config.crtc_idr, register_obj ? obj : NULL, 1, 0, GFP_KERNEL); 2832ee39452SDave Airlie if (ret >= 0) { 2842ee39452SDave Airlie /* 2852ee39452SDave Airlie * Set up the object linking under the protection of the idr 2862ee39452SDave Airlie * lock so that other users can't see inconsistent state. 2872ee39452SDave Airlie */ 2882ee39452SDave Airlie obj->id = ret; 2892ee39452SDave Airlie obj->type = obj_type; 2902ee39452SDave Airlie } 2912ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 2922ee39452SDave Airlie 2932ee39452SDave Airlie return ret < 0 ? ret : 0; 2942ee39452SDave Airlie } 2952ee39452SDave Airlie 296f453ba04SDave Airlie /** 297065a50edSDaniel Vetter * drm_mode_object_get - allocate a new modeset identifier 298f453ba04SDave Airlie * @dev: DRM device 299065a50edSDaniel Vetter * @obj: object pointer, used to generate unique ID 300065a50edSDaniel Vetter * @obj_type: object type 301f453ba04SDave Airlie * 302f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 303c8e32cc1SDaniel Vetter * for tracking modes, CRTCs and connectors. Note that despite the _get postfix 304c8e32cc1SDaniel Vetter * modeset identifiers are _not_ reference counted. Hence don't use this for 305c8e32cc1SDaniel Vetter * reference counted modeset objects like framebuffers. 306f453ba04SDave Airlie * 307c8e32cc1SDaniel Vetter * Returns: 308f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 309f453ba04SDave Airlie * object. 310f453ba04SDave Airlie */ 3118bd441b2SDaniel Vetter int drm_mode_object_get(struct drm_device *dev, 312f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 313f453ba04SDave Airlie { 3142ee39452SDave Airlie return drm_mode_object_get_reg(dev, obj, obj_type, true); 3154b096ac1SDaniel Vetter } 3164b096ac1SDaniel Vetter 3172ee39452SDave Airlie static void drm_mode_object_register(struct drm_device *dev, 3182ee39452SDave Airlie struct drm_mode_object *obj) 3192ee39452SDave Airlie { 3202ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 3212ee39452SDave Airlie idr_replace(&dev->mode_config.crtc_idr, obj, obj->id); 3222ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 323f453ba04SDave Airlie } 324f453ba04SDave Airlie 325f453ba04SDave Airlie /** 326065a50edSDaniel Vetter * drm_mode_object_put - free a modeset identifer 327f453ba04SDave Airlie * @dev: DRM device 328065a50edSDaniel Vetter * @object: object to free 329f453ba04SDave Airlie * 330c8e32cc1SDaniel Vetter * Free @id from @dev's unique identifier pool. Note that despite the _get 331c8e32cc1SDaniel Vetter * postfix modeset identifiers are _not_ reference counted. Hence don't use this 332c8e32cc1SDaniel Vetter * for reference counted modeset objects like framebuffers. 333f453ba04SDave Airlie */ 3348bd441b2SDaniel Vetter void drm_mode_object_put(struct drm_device *dev, 335f453ba04SDave Airlie struct drm_mode_object *object) 336f453ba04SDave Airlie { 337ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 338f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 339ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 340f453ba04SDave Airlie } 341f453ba04SDave Airlie 34298f75de4SRob Clark static struct drm_mode_object *_object_find(struct drm_device *dev, 34398f75de4SRob Clark uint32_t id, uint32_t type) 34498f75de4SRob Clark { 34598f75de4SRob Clark struct drm_mode_object *obj = NULL; 34698f75de4SRob Clark 34798f75de4SRob Clark mutex_lock(&dev->mode_config.idr_mutex); 34898f75de4SRob Clark obj = idr_find(&dev->mode_config.crtc_idr, id); 349168c02ecSDaniel Vetter if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type) 350168c02ecSDaniel Vetter obj = NULL; 351168c02ecSDaniel Vetter if (obj && obj->id != id) 352168c02ecSDaniel Vetter obj = NULL; 353168c02ecSDaniel Vetter /* don't leak out unref'd fb's */ 354168c02ecSDaniel Vetter if (obj && (obj->type == DRM_MODE_OBJECT_FB)) 35598f75de4SRob Clark obj = NULL; 35698f75de4SRob Clark mutex_unlock(&dev->mode_config.idr_mutex); 35798f75de4SRob Clark 35898f75de4SRob Clark return obj; 35998f75de4SRob Clark } 36098f75de4SRob Clark 361786b99edSDaniel Vetter /** 362786b99edSDaniel Vetter * drm_mode_object_find - look up a drm object with static lifetime 363786b99edSDaniel Vetter * @dev: drm device 364786b99edSDaniel Vetter * @id: id of the mode object 365786b99edSDaniel Vetter * @type: type of the mode object 366786b99edSDaniel Vetter * 367786b99edSDaniel Vetter * Note that framebuffers cannot be looked up with this functions - since those 36898f75de4SRob Clark * are reference counted, they need special treatment. Even with 36998f75de4SRob Clark * DRM_MODE_OBJECT_ANY (although that will simply return NULL 37098f75de4SRob Clark * rather than WARN_ON()). 371786b99edSDaniel Vetter */ 3727a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 3737a9c9060SDaniel Vetter uint32_t id, uint32_t type) 374f453ba04SDave Airlie { 375ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 376f453ba04SDave Airlie 377786b99edSDaniel Vetter /* Framebuffers are reference counted and need their own lookup 378786b99edSDaniel Vetter * function.*/ 379786b99edSDaniel Vetter WARN_ON(type == DRM_MODE_OBJECT_FB); 38098f75de4SRob Clark obj = _object_find(dev, id, type); 381f453ba04SDave Airlie return obj; 382f453ba04SDave Airlie } 383f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 384f453ba04SDave Airlie 385f453ba04SDave Airlie /** 386f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 387f453ba04SDave Airlie * @dev: DRM device 388065a50edSDaniel Vetter * @fb: framebuffer to be initialized 389065a50edSDaniel Vetter * @funcs: ... with these functions 390f453ba04SDave Airlie * 391f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 392f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 393f453ba04SDave Airlie * 3944b096ac1SDaniel Vetter * IMPORTANT: 3954b096ac1SDaniel Vetter * This functions publishes the fb and makes it available for concurrent access 3964b096ac1SDaniel Vetter * by other users. Which means by this point the fb _must_ be fully set up - 3974b096ac1SDaniel Vetter * since all the fb attributes are invariant over its lifetime, no further 3984b096ac1SDaniel Vetter * locking but only correct reference counting is required. 3994b096ac1SDaniel Vetter * 400c8e32cc1SDaniel Vetter * Returns: 401af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 402f453ba04SDave Airlie */ 403f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 404f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 405f453ba04SDave Airlie { 406f453ba04SDave Airlie int ret; 407f453ba04SDave Airlie 4084b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 409f7eff60eSRob Clark kref_init(&fb->refcount); 4104b096ac1SDaniel Vetter INIT_LIST_HEAD(&fb->filp_head); 4114b096ac1SDaniel Vetter fb->dev = dev; 4124b096ac1SDaniel Vetter fb->funcs = funcs; 413f7eff60eSRob Clark 414f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 4156bfc56aaSVille Syrjälä if (ret) 4164b096ac1SDaniel Vetter goto out; 417f453ba04SDave Airlie 418f453ba04SDave Airlie dev->mode_config.num_fb++; 419f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 4204b096ac1SDaniel Vetter out: 4214b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 422f453ba04SDave Airlie 423f453ba04SDave Airlie return 0; 424f453ba04SDave Airlie } 425f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 426f453ba04SDave Airlie 42783f45fc3SDaniel Vetter /* dev->mode_config.fb_lock must be held! */ 42883f45fc3SDaniel Vetter static void __drm_framebuffer_unregister(struct drm_device *dev, 42983f45fc3SDaniel Vetter struct drm_framebuffer *fb) 43083f45fc3SDaniel Vetter { 43183f45fc3SDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 43283f45fc3SDaniel Vetter idr_remove(&dev->mode_config.crtc_idr, fb->base.id); 43383f45fc3SDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 43483f45fc3SDaniel Vetter 43583f45fc3SDaniel Vetter fb->base.id = 0; 43683f45fc3SDaniel Vetter } 43783f45fc3SDaniel Vetter 438f7eff60eSRob Clark static void drm_framebuffer_free(struct kref *kref) 439f7eff60eSRob Clark { 440f7eff60eSRob Clark struct drm_framebuffer *fb = 441f7eff60eSRob Clark container_of(kref, struct drm_framebuffer, refcount); 44283f45fc3SDaniel Vetter struct drm_device *dev = fb->dev; 44383f45fc3SDaniel Vetter 44483f45fc3SDaniel Vetter /* 44583f45fc3SDaniel Vetter * The lookup idr holds a weak reference, which has not necessarily been 44683f45fc3SDaniel Vetter * removed at this point. Check for that. 44783f45fc3SDaniel Vetter */ 44883f45fc3SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 44983f45fc3SDaniel Vetter if (fb->base.id) { 45083f45fc3SDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 45183f45fc3SDaniel Vetter __drm_framebuffer_unregister(dev, fb); 45283f45fc3SDaniel Vetter } 45383f45fc3SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 45483f45fc3SDaniel Vetter 455f7eff60eSRob Clark fb->funcs->destroy(fb); 456f7eff60eSRob Clark } 457f7eff60eSRob Clark 4582b677e8cSDaniel Vetter static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, 4592b677e8cSDaniel Vetter uint32_t id) 4602b677e8cSDaniel Vetter { 4612b677e8cSDaniel Vetter struct drm_mode_object *obj = NULL; 4622b677e8cSDaniel Vetter struct drm_framebuffer *fb; 4632b677e8cSDaniel Vetter 4642b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 4652b677e8cSDaniel Vetter obj = idr_find(&dev->mode_config.crtc_idr, id); 4662b677e8cSDaniel Vetter if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) 4672b677e8cSDaniel Vetter fb = NULL; 4682b677e8cSDaniel Vetter else 4692b677e8cSDaniel Vetter fb = obj_to_fb(obj); 4702b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 4712b677e8cSDaniel Vetter 4722b677e8cSDaniel Vetter return fb; 4732b677e8cSDaniel Vetter } 4742b677e8cSDaniel Vetter 475f7eff60eSRob Clark /** 476786b99edSDaniel Vetter * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference 477786b99edSDaniel Vetter * @dev: drm device 478786b99edSDaniel Vetter * @id: id of the fb object 479786b99edSDaniel Vetter * 480786b99edSDaniel Vetter * If successful, this grabs an additional reference to the framebuffer - 481786b99edSDaniel Vetter * callers need to make sure to eventually unreference the returned framebuffer 482c8e32cc1SDaniel Vetter * again, using @drm_framebuffer_unreference. 483786b99edSDaniel Vetter */ 484786b99edSDaniel Vetter struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, 485786b99edSDaniel Vetter uint32_t id) 486786b99edSDaniel Vetter { 487786b99edSDaniel Vetter struct drm_framebuffer *fb; 488786b99edSDaniel Vetter 489786b99edSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 4902b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, id); 49183f45fc3SDaniel Vetter if (fb) { 49283f45fc3SDaniel Vetter if (!kref_get_unless_zero(&fb->refcount)) 49383f45fc3SDaniel Vetter fb = NULL; 49483f45fc3SDaniel Vetter } 495786b99edSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 496786b99edSDaniel Vetter 497786b99edSDaniel Vetter return fb; 498786b99edSDaniel Vetter } 499786b99edSDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_lookup); 500786b99edSDaniel Vetter 501786b99edSDaniel Vetter /** 502f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 503065a50edSDaniel Vetter * @fb: framebuffer to unref 504065a50edSDaniel Vetter * 505065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 506f7eff60eSRob Clark */ 507f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 508f7eff60eSRob Clark { 5098291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 510f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 511f7eff60eSRob Clark } 512f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 513f7eff60eSRob Clark 514f7eff60eSRob Clark /** 515f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 516065a50edSDaniel Vetter * @fb: framebuffer 517c8e32cc1SDaniel Vetter * 518c8e32cc1SDaniel Vetter * This functions increments the fb's refcount. 519f7eff60eSRob Clark */ 520f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 521f7eff60eSRob Clark { 5228291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 523f7eff60eSRob Clark kref_get(&fb->refcount); 524f7eff60eSRob Clark } 525f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 526f7eff60eSRob Clark 527f453ba04SDave Airlie /** 52836206361SDaniel Vetter * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr 52936206361SDaniel Vetter * @fb: fb to unregister 53036206361SDaniel Vetter * 53136206361SDaniel Vetter * Drivers need to call this when cleaning up driver-private framebuffers, e.g. 53236206361SDaniel Vetter * those used for fbdev. Note that the caller must hold a reference of it's own, 53336206361SDaniel Vetter * i.e. the object may not be destroyed through this call (since it'll lead to a 53436206361SDaniel Vetter * locking inversion). 53536206361SDaniel Vetter */ 53636206361SDaniel Vetter void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) 53736206361SDaniel Vetter { 5382b677e8cSDaniel Vetter struct drm_device *dev = fb->dev; 5392b677e8cSDaniel Vetter 5402b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 5412b677e8cSDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 5422b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 5432b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 54436206361SDaniel Vetter } 54536206361SDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_unregister_private); 54636206361SDaniel Vetter 54736206361SDaniel Vetter /** 548f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 549f453ba04SDave Airlie * @fb: framebuffer to remove 550f453ba04SDave Airlie * 551c8e32cc1SDaniel Vetter * Cleanup framebuffer. This function is intended to be used from the drivers 552c8e32cc1SDaniel Vetter * ->destroy callback. It can also be used to clean up driver private 553c8e32cc1SDaniel Vetter * framebuffers embedded into a larger structure. 55436206361SDaniel Vetter * 55536206361SDaniel Vetter * Note that this function does not remove the fb from active usuage - if it is 55636206361SDaniel Vetter * still used anywhere, hilarity can ensue since userspace could call getfb on 55736206361SDaniel Vetter * the id and get back -EINVAL. Obviously no concern at driver unload time. 55836206361SDaniel Vetter * 55936206361SDaniel Vetter * Also, the framebuffer will not be removed from the lookup idr - for 56036206361SDaniel Vetter * user-created framebuffers this will happen in in the rmfb ioctl. For 56136206361SDaniel Vetter * driver-private objects (e.g. for fbdev) drivers need to explicitly call 56236206361SDaniel Vetter * drm_framebuffer_unregister_private. 563f453ba04SDave Airlie */ 564f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 565f453ba04SDave Airlie { 566f453ba04SDave Airlie struct drm_device *dev = fb->dev; 5678faf6b18SDaniel Vetter 5684b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 569f7eff60eSRob Clark list_del(&fb->head); 570f7eff60eSRob Clark dev->mode_config.num_fb--; 5714b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 572f7eff60eSRob Clark } 573f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 574f7eff60eSRob Clark 575f7eff60eSRob Clark /** 576f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 577f7eff60eSRob Clark * @fb: framebuffer to remove 578f7eff60eSRob Clark * 579f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 58036206361SDaniel Vetter * using @fb, removes it, setting it to NULL. Then drops the reference to the 581b62584e3SDaniel Vetter * passed-in framebuffer. Might take the modeset locks. 582b62584e3SDaniel Vetter * 583b62584e3SDaniel Vetter * Note that this function optimizes the cleanup away if the caller holds the 584b62584e3SDaniel Vetter * last reference to the framebuffer. It is also guaranteed to not take the 585b62584e3SDaniel Vetter * modeset locks in this case. 586f7eff60eSRob Clark */ 587f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 588f7eff60eSRob Clark { 589f7eff60eSRob Clark struct drm_device *dev = fb->dev; 590f453ba04SDave Airlie struct drm_crtc *crtc; 5918cf5c917SJesse Barnes struct drm_plane *plane; 5925ef5f72fSDave Airlie struct drm_mode_set set; 5935ef5f72fSDave Airlie int ret; 594f453ba04SDave Airlie 5954b096ac1SDaniel Vetter WARN_ON(!list_empty(&fb->filp_head)); 5968faf6b18SDaniel Vetter 597b62584e3SDaniel Vetter /* 598b62584e3SDaniel Vetter * drm ABI mandates that we remove any deleted framebuffers from active 599b62584e3SDaniel Vetter * useage. But since most sane clients only remove framebuffers they no 600b62584e3SDaniel Vetter * longer need, try to optimize this away. 601b62584e3SDaniel Vetter * 602b62584e3SDaniel Vetter * Since we're holding a reference ourselves, observing a refcount of 1 603b62584e3SDaniel Vetter * means that we're the last holder and can skip it. Also, the refcount 604b62584e3SDaniel Vetter * can never increase from 1 again, so we don't need any barriers or 605b62584e3SDaniel Vetter * locks. 606b62584e3SDaniel Vetter * 607b62584e3SDaniel Vetter * Note that userspace could try to race with use and instate a new 608b62584e3SDaniel Vetter * usage _after_ we've cleared all current ones. End result will be an 609b62584e3SDaniel Vetter * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot 610b62584e3SDaniel Vetter * in this manner. 611b62584e3SDaniel Vetter */ 612b62584e3SDaniel Vetter if (atomic_read(&fb->refcount.refcount) > 1) { 613b62584e3SDaniel Vetter drm_modeset_lock_all(dev); 614f453ba04SDave Airlie /* remove from any CRTC */ 615f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 616f4510a27SMatt Roper if (crtc->primary->fb == fb) { 6175ef5f72fSDave Airlie /* should turn off the crtc */ 6185ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 6195ef5f72fSDave Airlie set.crtc = crtc; 6205ef5f72fSDave Airlie set.fb = NULL; 6212d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 6225ef5f72fSDave Airlie if (ret) 6235ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 6245ef5f72fSDave Airlie } 625f453ba04SDave Airlie } 626f453ba04SDave Airlie 6278cf5c917SJesse Barnes list_for_each_entry(plane, &dev->mode_config.plane_list, head) { 6289125e618SVille Syrjälä if (plane->fb == fb) 6299125e618SVille Syrjälä drm_plane_force_disable(plane); 6308cf5c917SJesse Barnes } 631b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 632b62584e3SDaniel Vetter } 6338cf5c917SJesse Barnes 634f7eff60eSRob Clark drm_framebuffer_unreference(fb); 635f453ba04SDave Airlie } 636f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 637f453ba04SDave Airlie 63851fd371bSRob Clark DEFINE_WW_CLASS(crtc_ww_class); 63951fd371bSRob Clark 640f453ba04SDave Airlie /** 641e13161afSMatt Roper * drm_crtc_init_with_planes - Initialise a new CRTC object with 642e13161afSMatt Roper * specified primary and cursor planes. 643f453ba04SDave Airlie * @dev: DRM device 644f453ba04SDave Airlie * @crtc: CRTC object to init 645e13161afSMatt Roper * @primary: Primary plane for CRTC 646e13161afSMatt Roper * @cursor: Cursor plane for CRTC 647f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 648f453ba04SDave Airlie * 649ad6f5c34SVille Syrjälä * Inits a new object created as base part of a driver crtc object. 6506bfc56aaSVille Syrjälä * 651c8e32cc1SDaniel Vetter * Returns: 6526bfc56aaSVille Syrjälä * Zero on success, error code on failure. 653f453ba04SDave Airlie */ 654e13161afSMatt Roper int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, 655e13161afSMatt Roper struct drm_plane *primary, 656fc1d3e44SMatt Roper struct drm_plane *cursor, 657f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 658f453ba04SDave Airlie { 65951fd371bSRob Clark struct drm_mode_config *config = &dev->mode_config; 6606bfc56aaSVille Syrjälä int ret; 6616bfc56aaSVille Syrjälä 662f453ba04SDave Airlie crtc->dev = dev; 663f453ba04SDave Airlie crtc->funcs = funcs; 6647c80e128SRob Clark crtc->invert_dimensions = false; 665f453ba04SDave Airlie 66651fd371bSRob Clark drm_modeset_lock_init(&crtc->mutex); 6676bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6686bfc56aaSVille Syrjälä if (ret) 669baf698b0SDaniel Vetter return ret; 670f453ba04SDave Airlie 671bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 672bffd9de0SPaulo Zanoni 67351fd371bSRob Clark list_add_tail(&crtc->head, &config->crtc_list); 67451fd371bSRob Clark config->num_crtc++; 6756bfc56aaSVille Syrjälä 676e13161afSMatt Roper crtc->primary = primary; 677fc1d3e44SMatt Roper crtc->cursor = cursor; 678e13161afSMatt Roper if (primary) 679e13161afSMatt Roper primary->possible_crtcs = 1 << drm_crtc_index(crtc); 680fc1d3e44SMatt Roper if (cursor) 681fc1d3e44SMatt Roper cursor->possible_crtcs = 1 << drm_crtc_index(crtc); 682e13161afSMatt Roper 683eab3bbefSDaniel Vetter if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 684eab3bbefSDaniel Vetter drm_object_attach_property(&crtc->base, config->prop_active, 0); 685eab3bbefSDaniel Vetter } 686eab3bbefSDaniel Vetter 687baf698b0SDaniel Vetter return 0; 688f453ba04SDave Airlie } 689e13161afSMatt Roper EXPORT_SYMBOL(drm_crtc_init_with_planes); 690f453ba04SDave Airlie 691f453ba04SDave Airlie /** 692ad6f5c34SVille Syrjälä * drm_crtc_cleanup - Clean up the core crtc usage 693f453ba04SDave Airlie * @crtc: CRTC to cleanup 694f453ba04SDave Airlie * 695ad6f5c34SVille Syrjälä * This function cleans up @crtc and removes it from the DRM mode setting 696ad6f5c34SVille Syrjälä * core. Note that the function does *not* free the crtc structure itself, 697ad6f5c34SVille Syrjälä * this is the responsibility of the caller. 698f453ba04SDave Airlie */ 699f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 700f453ba04SDave Airlie { 701f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 702f453ba04SDave Airlie 703f453ba04SDave Airlie kfree(crtc->gamma_store); 704f453ba04SDave Airlie crtc->gamma_store = NULL; 705f453ba04SDave Airlie 70651fd371bSRob Clark drm_modeset_lock_fini(&crtc->mutex); 70751fd371bSRob Clark 708f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 709f453ba04SDave Airlie list_del(&crtc->head); 710f453ba04SDave Airlie dev->mode_config.num_crtc--; 7113009c037SThierry Reding 7123009c037SThierry Reding WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); 7133009c037SThierry Reding if (crtc->state && crtc->funcs->atomic_destroy_state) 7143009c037SThierry Reding crtc->funcs->atomic_destroy_state(crtc, crtc->state); 715a18c0af1SThierry Reding 716a18c0af1SThierry Reding memset(crtc, 0, sizeof(*crtc)); 717f453ba04SDave Airlie } 718f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 719f453ba04SDave Airlie 720f453ba04SDave Airlie /** 721db5f7a6eSRussell King * drm_crtc_index - find the index of a registered CRTC 722db5f7a6eSRussell King * @crtc: CRTC to find index for 723db5f7a6eSRussell King * 724db5f7a6eSRussell King * Given a registered CRTC, return the index of that CRTC within a DRM 725db5f7a6eSRussell King * device's list of CRTCs. 726db5f7a6eSRussell King */ 727db5f7a6eSRussell King unsigned int drm_crtc_index(struct drm_crtc *crtc) 728db5f7a6eSRussell King { 729db5f7a6eSRussell King unsigned int index = 0; 730db5f7a6eSRussell King struct drm_crtc *tmp; 731db5f7a6eSRussell King 732db5f7a6eSRussell King list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { 733db5f7a6eSRussell King if (tmp == crtc) 734db5f7a6eSRussell King return index; 735db5f7a6eSRussell King 736db5f7a6eSRussell King index++; 737db5f7a6eSRussell King } 738db5f7a6eSRussell King 739db5f7a6eSRussell King BUG(); 740db5f7a6eSRussell King } 741db5f7a6eSRussell King EXPORT_SYMBOL(drm_crtc_index); 742db5f7a6eSRussell King 74386f422d5SLespiau, Damien /* 744f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 745f453ba04SDave Airlie * @connector: connector list to modify 746f453ba04SDave Airlie * @mode: mode to remove 747f453ba04SDave Airlie * 748f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 749f453ba04SDave Airlie */ 75086f422d5SLespiau, Damien static void drm_mode_remove(struct drm_connector *connector, 751f453ba04SDave Airlie struct drm_display_mode *mode) 752f453ba04SDave Airlie { 753f453ba04SDave Airlie list_del(&mode->head); 754554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 755f453ba04SDave Airlie } 756f453ba04SDave Airlie 757f453ba04SDave Airlie /** 758b5571e9dSBoris Brezillon * drm_display_info_set_bus_formats - set the supported bus formats 759b5571e9dSBoris Brezillon * @info: display info to store bus formats in 760e37bfa1aSBoris Brezillon * @formats: array containing the supported bus formats 761e37bfa1aSBoris Brezillon * @num_formats: the number of entries in the fmts array 762b5571e9dSBoris Brezillon * 763b5571e9dSBoris Brezillon * Store the supported bus formats in display info structure. 764b5571e9dSBoris Brezillon * See MEDIA_BUS_FMT_* definitions in include/uapi/linux/media-bus-format.h for 765b5571e9dSBoris Brezillon * a full list of available formats. 766b5571e9dSBoris Brezillon */ 767b5571e9dSBoris Brezillon int drm_display_info_set_bus_formats(struct drm_display_info *info, 768b5571e9dSBoris Brezillon const u32 *formats, 769b5571e9dSBoris Brezillon unsigned int num_formats) 770b5571e9dSBoris Brezillon { 771b5571e9dSBoris Brezillon u32 *fmts = NULL; 772b5571e9dSBoris Brezillon 773b5571e9dSBoris Brezillon if (!formats && num_formats) 774b5571e9dSBoris Brezillon return -EINVAL; 775b5571e9dSBoris Brezillon 776b5571e9dSBoris Brezillon if (formats && num_formats) { 777b5571e9dSBoris Brezillon fmts = kmemdup(formats, sizeof(*formats) * num_formats, 778b5571e9dSBoris Brezillon GFP_KERNEL); 779944579c5SDan Carpenter if (!fmts) 780b5571e9dSBoris Brezillon return -ENOMEM; 781b5571e9dSBoris Brezillon } 782b5571e9dSBoris Brezillon 783b5571e9dSBoris Brezillon kfree(info->bus_formats); 784b5571e9dSBoris Brezillon info->bus_formats = fmts; 785b5571e9dSBoris Brezillon info->num_bus_formats = num_formats; 786b5571e9dSBoris Brezillon 787b5571e9dSBoris Brezillon return 0; 788b5571e9dSBoris Brezillon } 789b5571e9dSBoris Brezillon EXPORT_SYMBOL(drm_display_info_set_bus_formats); 790b5571e9dSBoris Brezillon 791b5571e9dSBoris Brezillon /** 792eaf99c74SChris Wilson * drm_connector_get_cmdline_mode - reads the user's cmdline mode 793eaf99c74SChris Wilson * @connector: connector to quwery 794eaf99c74SChris Wilson * 795eaf99c74SChris Wilson * The kernel supports per-connector configration of its consoles through 796eaf99c74SChris Wilson * use of the video= parameter. This function parses that option and 797eaf99c74SChris Wilson * extracts the user's specified mode (or enable/disable status) for a 798eaf99c74SChris Wilson * particular connector. This is typically only used during the early fbdev 799eaf99c74SChris Wilson * setup. 800eaf99c74SChris Wilson */ 801eaf99c74SChris Wilson static void drm_connector_get_cmdline_mode(struct drm_connector *connector) 802eaf99c74SChris Wilson { 803eaf99c74SChris Wilson struct drm_cmdline_mode *mode = &connector->cmdline_mode; 804eaf99c74SChris Wilson char *option = NULL; 805eaf99c74SChris Wilson 806eaf99c74SChris Wilson if (fb_get_options(connector->name, &option)) 807eaf99c74SChris Wilson return; 808eaf99c74SChris Wilson 809eaf99c74SChris Wilson if (!drm_mode_parse_command_line_for_connector(option, 810eaf99c74SChris Wilson connector, 811eaf99c74SChris Wilson mode)) 812eaf99c74SChris Wilson return; 813eaf99c74SChris Wilson 814eaf99c74SChris Wilson if (mode->force) { 815eaf99c74SChris Wilson const char *s; 816eaf99c74SChris Wilson 817eaf99c74SChris Wilson switch (mode->force) { 818eaf99c74SChris Wilson case DRM_FORCE_OFF: 819eaf99c74SChris Wilson s = "OFF"; 820eaf99c74SChris Wilson break; 821eaf99c74SChris Wilson case DRM_FORCE_ON_DIGITAL: 822eaf99c74SChris Wilson s = "ON - dig"; 823eaf99c74SChris Wilson break; 824eaf99c74SChris Wilson default: 825eaf99c74SChris Wilson case DRM_FORCE_ON: 826eaf99c74SChris Wilson s = "ON"; 827eaf99c74SChris Wilson break; 828eaf99c74SChris Wilson } 829eaf99c74SChris Wilson 830eaf99c74SChris Wilson DRM_INFO("forcing %s connector %s\n", connector->name, s); 831eaf99c74SChris Wilson connector->force = mode->force; 832eaf99c74SChris Wilson } 833eaf99c74SChris Wilson 834eaf99c74SChris Wilson DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n", 835eaf99c74SChris Wilson connector->name, 836eaf99c74SChris Wilson mode->xres, mode->yres, 837eaf99c74SChris Wilson mode->refresh_specified ? mode->refresh : 60, 838eaf99c74SChris Wilson mode->rb ? " reduced blanking" : "", 839eaf99c74SChris Wilson mode->margins ? " with margins" : "", 840eaf99c74SChris Wilson mode->interlace ? " interlaced" : ""); 841eaf99c74SChris Wilson } 842eaf99c74SChris Wilson 843eaf99c74SChris Wilson /** 844f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 845f453ba04SDave Airlie * @dev: DRM device 846f453ba04SDave Airlie * @connector: the connector to init 847f453ba04SDave Airlie * @funcs: callbacks for this connector 848065a50edSDaniel Vetter * @connector_type: user visible type of the connector 849f453ba04SDave Airlie * 850f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 851f453ba04SDave Airlie * subclassed as part of driver connector objects. 8526bfc56aaSVille Syrjälä * 853c8e32cc1SDaniel Vetter * Returns: 8546bfc56aaSVille Syrjälä * Zero on success, error code on failure. 855f453ba04SDave Airlie */ 8566bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 857f453ba04SDave Airlie struct drm_connector *connector, 858f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 859f453ba04SDave Airlie int connector_type) 860f453ba04SDave Airlie { 861ae16c597SRob Clark struct drm_mode_config *config = &dev->mode_config; 8626bfc56aaSVille Syrjälä int ret; 863b21e3afeSIlia Mirkin struct ida *connector_ida = 864b21e3afeSIlia Mirkin &drm_connector_enum_list[connector_type].ida; 8656bfc56aaSVille Syrjälä 86684849903SDaniel Vetter drm_modeset_lock_all(dev); 867f453ba04SDave Airlie 8682ee39452SDave Airlie ret = drm_mode_object_get_reg(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR, false); 8696bfc56aaSVille Syrjälä if (ret) 8702abdd313SJani Nikula goto out_unlock; 8716bfc56aaSVille Syrjälä 8727e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 873f453ba04SDave Airlie connector->dev = dev; 874f453ba04SDave Airlie connector->funcs = funcs; 875f453ba04SDave Airlie connector->connector_type = connector_type; 876f453ba04SDave Airlie connector->connector_type_id = 877b21e3afeSIlia Mirkin ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); 878b21e3afeSIlia Mirkin if (connector->connector_type_id < 0) { 879b21e3afeSIlia Mirkin ret = connector->connector_type_id; 8802abdd313SJani Nikula goto out_put; 881b21e3afeSIlia Mirkin } 8822abdd313SJani Nikula connector->name = 8832abdd313SJani Nikula kasprintf(GFP_KERNEL, "%s-%d", 8842abdd313SJani Nikula drm_connector_enum_list[connector_type].name, 8852abdd313SJani Nikula connector->connector_type_id); 8862abdd313SJani Nikula if (!connector->name) { 8872abdd313SJani Nikula ret = -ENOMEM; 8882abdd313SJani Nikula goto out_put; 8892abdd313SJani Nikula } 8902abdd313SJani Nikula 891f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 892f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 893f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 8945e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 895f453ba04SDave Airlie 896eaf99c74SChris Wilson drm_connector_get_cmdline_mode(connector); 897eaf99c74SChris Wilson 898c7eb76f4SDaniel Vetter /* We should add connectors at the end to avoid upsetting the connector 899c7eb76f4SDaniel Vetter * index too much. */ 900ae16c597SRob Clark list_add_tail(&connector->head, &config->connector_list); 901ae16c597SRob Clark config->num_connector++; 902f453ba04SDave Airlie 903a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 90458495563SRob Clark drm_object_attach_property(&connector->base, 905ae16c597SRob Clark config->edid_property, 906a7331e5cSThomas Hellstrom 0); 907f453ba04SDave Airlie 90858495563SRob Clark drm_object_attach_property(&connector->base, 909ae16c597SRob Clark config->dpms_property, 0); 910ae16c597SRob Clark 911ae16c597SRob Clark if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 912ae16c597SRob Clark drm_object_attach_property(&connector->base, config->prop_crtc_id, 0); 913ae16c597SRob Clark } 914f453ba04SDave Airlie 91530f65707SThomas Wood connector->debugfs_entry = NULL; 91630f65707SThomas Wood 9172abdd313SJani Nikula out_put: 9182abdd313SJani Nikula if (ret) 9192abdd313SJani Nikula drm_mode_object_put(dev, &connector->base); 9202abdd313SJani Nikula 9212abdd313SJani Nikula out_unlock: 92284849903SDaniel Vetter drm_modeset_unlock_all(dev); 9236bfc56aaSVille Syrjälä 9246bfc56aaSVille Syrjälä return ret; 925f453ba04SDave Airlie } 926f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 927f453ba04SDave Airlie 928f453ba04SDave Airlie /** 929f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 930f453ba04SDave Airlie * @connector: connector to cleanup 931f453ba04SDave Airlie * 932f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 933f453ba04SDave Airlie */ 934f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 935f453ba04SDave Airlie { 936f453ba04SDave Airlie struct drm_device *dev = connector->dev; 937f453ba04SDave Airlie struct drm_display_mode *mode, *t; 938f453ba04SDave Airlie 93940d9b043SDave Airlie if (connector->tile_group) { 94040d9b043SDave Airlie drm_mode_put_tile_group(dev, connector->tile_group); 94140d9b043SDave Airlie connector->tile_group = NULL; 94240d9b043SDave Airlie } 94340d9b043SDave Airlie 944f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 945f453ba04SDave Airlie drm_mode_remove(connector, mode); 946f453ba04SDave Airlie 947f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 948f453ba04SDave Airlie drm_mode_remove(connector, mode); 949f453ba04SDave Airlie 950b21e3afeSIlia Mirkin ida_remove(&drm_connector_enum_list[connector->connector_type].ida, 951b21e3afeSIlia Mirkin connector->connector_type_id); 952b21e3afeSIlia Mirkin 953b5571e9dSBoris Brezillon kfree(connector->display_info.bus_formats); 954f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 9552abdd313SJani Nikula kfree(connector->name); 9562abdd313SJani Nikula connector->name = NULL; 957f453ba04SDave Airlie list_del(&connector->head); 9586380c509SJoonyoung Shim dev->mode_config.num_connector--; 9593009c037SThierry Reding 9603009c037SThierry Reding WARN_ON(connector->state && !connector->funcs->atomic_destroy_state); 9613009c037SThierry Reding if (connector->state && connector->funcs->atomic_destroy_state) 9623009c037SThierry Reding connector->funcs->atomic_destroy_state(connector, 9633009c037SThierry Reding connector->state); 964a18c0af1SThierry Reding 965a18c0af1SThierry Reding memset(connector, 0, sizeof(*connector)); 966f453ba04SDave Airlie } 967f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 968f453ba04SDave Airlie 969c8e32cc1SDaniel Vetter /** 97010f637bfSDaniel Vetter * drm_connector_index - find the index of a registered connector 97110f637bfSDaniel Vetter * @connector: connector to find index for 97210f637bfSDaniel Vetter * 97310f637bfSDaniel Vetter * Given a registered connector, return the index of that connector within a DRM 97410f637bfSDaniel Vetter * device's list of connectors. 97510f637bfSDaniel Vetter */ 97610f637bfSDaniel Vetter unsigned int drm_connector_index(struct drm_connector *connector) 97710f637bfSDaniel Vetter { 97810f637bfSDaniel Vetter unsigned int index = 0; 97910f637bfSDaniel Vetter struct drm_connector *tmp; 980c7eb76f4SDaniel Vetter struct drm_mode_config *config = &connector->dev->mode_config; 981c7eb76f4SDaniel Vetter 982c7eb76f4SDaniel Vetter WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); 98310f637bfSDaniel Vetter 98410f637bfSDaniel Vetter list_for_each_entry(tmp, &connector->dev->mode_config.connector_list, head) { 98510f637bfSDaniel Vetter if (tmp == connector) 98610f637bfSDaniel Vetter return index; 98710f637bfSDaniel Vetter 98810f637bfSDaniel Vetter index++; 98910f637bfSDaniel Vetter } 99010f637bfSDaniel Vetter 99110f637bfSDaniel Vetter BUG(); 99210f637bfSDaniel Vetter } 99310f637bfSDaniel Vetter EXPORT_SYMBOL(drm_connector_index); 99410f637bfSDaniel Vetter 99510f637bfSDaniel Vetter /** 99634ea3d38SThomas Wood * drm_connector_register - register a connector 99734ea3d38SThomas Wood * @connector: the connector to register 99834ea3d38SThomas Wood * 99934ea3d38SThomas Wood * Register userspace interfaces for a connector 100034ea3d38SThomas Wood * 100134ea3d38SThomas Wood * Returns: 100234ea3d38SThomas Wood * Zero on success, error code on failure. 100334ea3d38SThomas Wood */ 100434ea3d38SThomas Wood int drm_connector_register(struct drm_connector *connector) 100534ea3d38SThomas Wood { 100630f65707SThomas Wood int ret; 100730f65707SThomas Wood 10082ee39452SDave Airlie drm_mode_object_register(connector->dev, &connector->base); 10092ee39452SDave Airlie 101030f65707SThomas Wood ret = drm_sysfs_connector_add(connector); 101130f65707SThomas Wood if (ret) 101230f65707SThomas Wood return ret; 101330f65707SThomas Wood 101430f65707SThomas Wood ret = drm_debugfs_connector_add(connector); 101530f65707SThomas Wood if (ret) { 101630f65707SThomas Wood drm_sysfs_connector_remove(connector); 101730f65707SThomas Wood return ret; 101830f65707SThomas Wood } 101930f65707SThomas Wood 102030f65707SThomas Wood return 0; 102134ea3d38SThomas Wood } 102234ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_register); 102334ea3d38SThomas Wood 102434ea3d38SThomas Wood /** 102534ea3d38SThomas Wood * drm_connector_unregister - unregister a connector 102634ea3d38SThomas Wood * @connector: the connector to unregister 102734ea3d38SThomas Wood * 102834ea3d38SThomas Wood * Unregister userspace interfaces for a connector 102934ea3d38SThomas Wood */ 103034ea3d38SThomas Wood void drm_connector_unregister(struct drm_connector *connector) 103134ea3d38SThomas Wood { 103234ea3d38SThomas Wood drm_sysfs_connector_remove(connector); 103330f65707SThomas Wood drm_debugfs_connector_remove(connector); 103434ea3d38SThomas Wood } 103534ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_unregister); 103634ea3d38SThomas Wood 103734ea3d38SThomas Wood 103834ea3d38SThomas Wood /** 1039c8e32cc1SDaniel Vetter * drm_connector_unplug_all - unregister connector userspace interfaces 1040c8e32cc1SDaniel Vetter * @dev: drm device 1041c8e32cc1SDaniel Vetter * 1042c8e32cc1SDaniel Vetter * This function unregisters all connector userspace interfaces in sysfs. Should 1043c8e32cc1SDaniel Vetter * be call when the device is disconnected, e.g. from an usb driver's 1044c8e32cc1SDaniel Vetter * ->disconnect callback. 1045c8e32cc1SDaniel Vetter */ 1046cbc7e221SDave Airlie void drm_connector_unplug_all(struct drm_device *dev) 1047cbc7e221SDave Airlie { 1048cbc7e221SDave Airlie struct drm_connector *connector; 1049cbc7e221SDave Airlie 1050cbc7e221SDave Airlie /* taking the mode config mutex ends up in a clash with sysfs */ 1051cbc7e221SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 105234ea3d38SThomas Wood drm_connector_unregister(connector); 1053cbc7e221SDave Airlie 1054cbc7e221SDave Airlie } 1055cbc7e221SDave Airlie EXPORT_SYMBOL(drm_connector_unplug_all); 1056cbc7e221SDave Airlie 1057c8e32cc1SDaniel Vetter /** 1058c8e32cc1SDaniel Vetter * drm_encoder_init - Init a preallocated encoder 1059c8e32cc1SDaniel Vetter * @dev: drm device 1060c8e32cc1SDaniel Vetter * @encoder: the encoder to init 1061c8e32cc1SDaniel Vetter * @funcs: callbacks for this encoder 1062c8e32cc1SDaniel Vetter * @encoder_type: user visible type of the encoder 1063c8e32cc1SDaniel Vetter * 1064c8e32cc1SDaniel Vetter * Initialises a preallocated encoder. Encoder should be 1065c8e32cc1SDaniel Vetter * subclassed as part of driver encoder objects. 1066c8e32cc1SDaniel Vetter * 1067c8e32cc1SDaniel Vetter * Returns: 1068c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 1069c8e32cc1SDaniel Vetter */ 10706bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 1071f453ba04SDave Airlie struct drm_encoder *encoder, 1072f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 1073f453ba04SDave Airlie int encoder_type) 1074f453ba04SDave Airlie { 10756bfc56aaSVille Syrjälä int ret; 10766bfc56aaSVille Syrjälä 107784849903SDaniel Vetter drm_modeset_lock_all(dev); 1078f453ba04SDave Airlie 10796bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 10806bfc56aaSVille Syrjälä if (ret) 1081e5748946SJani Nikula goto out_unlock; 1082f453ba04SDave Airlie 10836bfc56aaSVille Syrjälä encoder->dev = dev; 1084f453ba04SDave Airlie encoder->encoder_type = encoder_type; 1085f453ba04SDave Airlie encoder->funcs = funcs; 1086e5748946SJani Nikula encoder->name = kasprintf(GFP_KERNEL, "%s-%d", 1087e5748946SJani Nikula drm_encoder_enum_list[encoder_type].name, 1088e5748946SJani Nikula encoder->base.id); 1089e5748946SJani Nikula if (!encoder->name) { 1090e5748946SJani Nikula ret = -ENOMEM; 1091e5748946SJani Nikula goto out_put; 1092e5748946SJani Nikula } 1093f453ba04SDave Airlie 1094f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 1095f453ba04SDave Airlie dev->mode_config.num_encoder++; 1096f453ba04SDave Airlie 1097e5748946SJani Nikula out_put: 1098e5748946SJani Nikula if (ret) 1099e5748946SJani Nikula drm_mode_object_put(dev, &encoder->base); 1100e5748946SJani Nikula 1101e5748946SJani Nikula out_unlock: 110284849903SDaniel Vetter drm_modeset_unlock_all(dev); 11036bfc56aaSVille Syrjälä 11046bfc56aaSVille Syrjälä return ret; 1105f453ba04SDave Airlie } 1106f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 1107f453ba04SDave Airlie 1108c8e32cc1SDaniel Vetter /** 1109c8e32cc1SDaniel Vetter * drm_encoder_cleanup - cleans up an initialised encoder 1110c8e32cc1SDaniel Vetter * @encoder: encoder to cleanup 1111c8e32cc1SDaniel Vetter * 1112c8e32cc1SDaniel Vetter * Cleans up the encoder but doesn't free the object. 1113c8e32cc1SDaniel Vetter */ 1114f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 1115f453ba04SDave Airlie { 1116f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 11174dfd909fSThierry Reding 111884849903SDaniel Vetter drm_modeset_lock_all(dev); 1119f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 1120e5748946SJani Nikula kfree(encoder->name); 1121f453ba04SDave Airlie list_del(&encoder->head); 11226380c509SJoonyoung Shim dev->mode_config.num_encoder--; 112384849903SDaniel Vetter drm_modeset_unlock_all(dev); 1124a18c0af1SThierry Reding 1125a18c0af1SThierry Reding memset(encoder, 0, sizeof(*encoder)); 1126f453ba04SDave Airlie } 1127f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 1128f453ba04SDave Airlie 112935f2c3aeSVille Syrjälä /** 1130dc415ff9SMatt Roper * drm_universal_plane_init - Initialize a new universal plane object 113135f2c3aeSVille Syrjälä * @dev: DRM device 113235f2c3aeSVille Syrjälä * @plane: plane object to init 113335f2c3aeSVille Syrjälä * @possible_crtcs: bitmask of possible CRTCs 113435f2c3aeSVille Syrjälä * @funcs: callbacks for the new plane 113535f2c3aeSVille Syrjälä * @formats: array of supported formats (%DRM_FORMAT_*) 113635f2c3aeSVille Syrjälä * @format_count: number of elements in @formats 1137dc415ff9SMatt Roper * @type: type of plane (overlay, primary, cursor) 113835f2c3aeSVille Syrjälä * 1139dc415ff9SMatt Roper * Initializes a plane object of type @type. 114035f2c3aeSVille Syrjälä * 1141c8e32cc1SDaniel Vetter * Returns: 114235f2c3aeSVille Syrjälä * Zero on success, error code on failure. 114335f2c3aeSVille Syrjälä */ 1144dc415ff9SMatt Roper int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, 11458cf5c917SJesse Barnes unsigned long possible_crtcs, 11468cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 11470a7eb243SRob Clark const uint32_t *formats, uint32_t format_count, 1148dc415ff9SMatt Roper enum drm_plane_type type) 11498cf5c917SJesse Barnes { 11506b4959f4SRob Clark struct drm_mode_config *config = &dev->mode_config; 11516bfc56aaSVille Syrjälä int ret; 11526bfc56aaSVille Syrjälä 11536bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 11546bfc56aaSVille Syrjälä if (ret) 1155baf698b0SDaniel Vetter return ret; 11566bfc56aaSVille Syrjälä 11574d02e2deSDaniel Vetter drm_modeset_lock_init(&plane->mutex); 11584d02e2deSDaniel Vetter 11594d93914aSRob Clark plane->base.properties = &plane->properties; 11608cf5c917SJesse Barnes plane->dev = dev; 11618cf5c917SJesse Barnes plane->funcs = funcs; 11622f6c5389SThierry Reding plane->format_types = kmalloc_array(format_count, sizeof(uint32_t), 11638cf5c917SJesse Barnes GFP_KERNEL); 11648cf5c917SJesse Barnes if (!plane->format_types) { 11658cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 11668cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 1167baf698b0SDaniel Vetter return -ENOMEM; 11688cf5c917SJesse Barnes } 11698cf5c917SJesse Barnes 1170308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 11718cf5c917SJesse Barnes plane->format_count = format_count; 11728cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 1173dc415ff9SMatt Roper plane->type = type; 11748cf5c917SJesse Barnes 11756b4959f4SRob Clark list_add_tail(&plane->head, &config->plane_list); 11766b4959f4SRob Clark config->num_total_plane++; 1177e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 11786b4959f4SRob Clark config->num_overlay_plane++; 11798cf5c917SJesse Barnes 11809922ab5aSRob Clark drm_object_attach_property(&plane->base, 11816b4959f4SRob Clark config->plane_type_property, 11829922ab5aSRob Clark plane->type); 11839922ab5aSRob Clark 11846b4959f4SRob Clark if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 11856b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_fb_id, 0); 11866b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_id, 0); 11876b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_x, 0); 11886b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_y, 0); 11896b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_w, 0); 11906b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_crtc_h, 0); 11916b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_x, 0); 11926b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_y, 0); 11936b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_w, 0); 11946b4959f4SRob Clark drm_object_attach_property(&plane->base, config->prop_src_h, 0); 11956b4959f4SRob Clark } 11966b4959f4SRob Clark 1197baf698b0SDaniel Vetter return 0; 11988cf5c917SJesse Barnes } 1199dc415ff9SMatt Roper EXPORT_SYMBOL(drm_universal_plane_init); 1200dc415ff9SMatt Roper 1201dc415ff9SMatt Roper /** 1202dc415ff9SMatt Roper * drm_plane_init - Initialize a legacy plane 1203dc415ff9SMatt Roper * @dev: DRM device 1204dc415ff9SMatt Roper * @plane: plane object to init 1205dc415ff9SMatt Roper * @possible_crtcs: bitmask of possible CRTCs 1206dc415ff9SMatt Roper * @funcs: callbacks for the new plane 1207dc415ff9SMatt Roper * @formats: array of supported formats (%DRM_FORMAT_*) 1208dc415ff9SMatt Roper * @format_count: number of elements in @formats 1209dc415ff9SMatt Roper * @is_primary: plane type (primary vs overlay) 1210dc415ff9SMatt Roper * 1211dc415ff9SMatt Roper * Legacy API to initialize a DRM plane. 1212dc415ff9SMatt Roper * 1213dc415ff9SMatt Roper * New drivers should call drm_universal_plane_init() instead. 1214dc415ff9SMatt Roper * 1215dc415ff9SMatt Roper * Returns: 1216dc415ff9SMatt Roper * Zero on success, error code on failure. 1217dc415ff9SMatt Roper */ 1218dc415ff9SMatt Roper int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 1219dc415ff9SMatt Roper unsigned long possible_crtcs, 1220dc415ff9SMatt Roper const struct drm_plane_funcs *funcs, 1221dc415ff9SMatt Roper const uint32_t *formats, uint32_t format_count, 1222dc415ff9SMatt Roper bool is_primary) 1223dc415ff9SMatt Roper { 1224dc415ff9SMatt Roper enum drm_plane_type type; 1225dc415ff9SMatt Roper 1226dc415ff9SMatt Roper type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; 1227dc415ff9SMatt Roper return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, 1228dc415ff9SMatt Roper formats, format_count, type); 1229dc415ff9SMatt Roper } 12308cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 12318cf5c917SJesse Barnes 123235f2c3aeSVille Syrjälä /** 123335f2c3aeSVille Syrjälä * drm_plane_cleanup - Clean up the core plane usage 123435f2c3aeSVille Syrjälä * @plane: plane to cleanup 123535f2c3aeSVille Syrjälä * 123635f2c3aeSVille Syrjälä * This function cleans up @plane and removes it from the DRM mode setting 123735f2c3aeSVille Syrjälä * core. Note that the function does *not* free the plane structure itself, 123835f2c3aeSVille Syrjälä * this is the responsibility of the caller. 123935f2c3aeSVille Syrjälä */ 12408cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 12418cf5c917SJesse Barnes { 12428cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 12438cf5c917SJesse Barnes 124484849903SDaniel Vetter drm_modeset_lock_all(dev); 12458cf5c917SJesse Barnes kfree(plane->format_types); 12468cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 1247dc415ff9SMatt Roper 1248dc415ff9SMatt Roper BUG_ON(list_empty(&plane->head)); 1249dc415ff9SMatt Roper 12508cf5c917SJesse Barnes list_del(&plane->head); 1251e27dde3eSMatt Roper dev->mode_config.num_total_plane--; 1252e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 1253e27dde3eSMatt Roper dev->mode_config.num_overlay_plane--; 125484849903SDaniel Vetter drm_modeset_unlock_all(dev); 12553009c037SThierry Reding 12563009c037SThierry Reding WARN_ON(plane->state && !plane->funcs->atomic_destroy_state); 12573009c037SThierry Reding if (plane->state && plane->funcs->atomic_destroy_state) 12583009c037SThierry Reding plane->funcs->atomic_destroy_state(plane, plane->state); 1259a18c0af1SThierry Reding 1260a18c0af1SThierry Reding memset(plane, 0, sizeof(*plane)); 12618cf5c917SJesse Barnes } 12628cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 12638cf5c917SJesse Barnes 126435f2c3aeSVille Syrjälä /** 126510f637bfSDaniel Vetter * drm_plane_index - find the index of a registered plane 126610f637bfSDaniel Vetter * @plane: plane to find index for 126710f637bfSDaniel Vetter * 126810f637bfSDaniel Vetter * Given a registered plane, return the index of that CRTC within a DRM 126910f637bfSDaniel Vetter * device's list of planes. 127010f637bfSDaniel Vetter */ 127110f637bfSDaniel Vetter unsigned int drm_plane_index(struct drm_plane *plane) 127210f637bfSDaniel Vetter { 127310f637bfSDaniel Vetter unsigned int index = 0; 127410f637bfSDaniel Vetter struct drm_plane *tmp; 127510f637bfSDaniel Vetter 127610f637bfSDaniel Vetter list_for_each_entry(tmp, &plane->dev->mode_config.plane_list, head) { 127710f637bfSDaniel Vetter if (tmp == plane) 127810f637bfSDaniel Vetter return index; 127910f637bfSDaniel Vetter 128010f637bfSDaniel Vetter index++; 128110f637bfSDaniel Vetter } 128210f637bfSDaniel Vetter 128310f637bfSDaniel Vetter BUG(); 128410f637bfSDaniel Vetter } 128510f637bfSDaniel Vetter EXPORT_SYMBOL(drm_plane_index); 128610f637bfSDaniel Vetter 128710f637bfSDaniel Vetter /** 128835f2c3aeSVille Syrjälä * drm_plane_force_disable - Forcibly disable a plane 128935f2c3aeSVille Syrjälä * @plane: plane to disable 129035f2c3aeSVille Syrjälä * 129135f2c3aeSVille Syrjälä * Forces the plane to be disabled. 129235f2c3aeSVille Syrjälä * 129335f2c3aeSVille Syrjälä * Used when the plane's current framebuffer is destroyed, 129435f2c3aeSVille Syrjälä * and when restoring fbdev mode. 129535f2c3aeSVille Syrjälä */ 12969125e618SVille Syrjälä void drm_plane_force_disable(struct drm_plane *plane) 12979125e618SVille Syrjälä { 12989125e618SVille Syrjälä int ret; 12999125e618SVille Syrjälä 13003d30a59bSDaniel Vetter if (!plane->fb) 13019125e618SVille Syrjälä return; 13029125e618SVille Syrjälä 13033d30a59bSDaniel Vetter plane->old_fb = plane->fb; 13049125e618SVille Syrjälä ret = plane->funcs->disable_plane(plane); 1305731cce48SDaniel Vetter if (ret) { 13069125e618SVille Syrjälä DRM_ERROR("failed to disable plane with busy fb\n"); 13073d30a59bSDaniel Vetter plane->old_fb = NULL; 1308731cce48SDaniel Vetter return; 1309731cce48SDaniel Vetter } 13109125e618SVille Syrjälä /* disconnect the plane from the fb and crtc: */ 1311220dd2bcSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 13123d30a59bSDaniel Vetter plane->old_fb = NULL; 13139125e618SVille Syrjälä plane->fb = NULL; 13149125e618SVille Syrjälä plane->crtc = NULL; 13159125e618SVille Syrjälä } 13169125e618SVille Syrjälä EXPORT_SYMBOL(drm_plane_force_disable); 13179125e618SVille Syrjälä 13186b4959f4SRob Clark static int drm_mode_create_standard_properties(struct drm_device *dev) 1319f453ba04SDave Airlie { 1320356af0e1SRob Clark struct drm_property *prop; 1321f453ba04SDave Airlie 1322f453ba04SDave Airlie /* 1323f453ba04SDave Airlie * Standard properties (apply to all connectors) 1324f453ba04SDave Airlie */ 1325356af0e1SRob Clark prop = drm_property_create(dev, DRM_MODE_PROP_BLOB | 1326f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 1327f453ba04SDave Airlie "EDID", 0); 1328356af0e1SRob Clark if (!prop) 1329356af0e1SRob Clark return -ENOMEM; 1330356af0e1SRob Clark dev->mode_config.edid_property = prop; 1331f453ba04SDave Airlie 1332356af0e1SRob Clark prop = drm_property_create_enum(dev, 0, 13334a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 13344a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 1335356af0e1SRob Clark if (!prop) 1336356af0e1SRob Clark return -ENOMEM; 1337356af0e1SRob Clark dev->mode_config.dpms_property = prop; 1338f453ba04SDave Airlie 1339356af0e1SRob Clark prop = drm_property_create(dev, 134043aba7ebSDave Airlie DRM_MODE_PROP_BLOB | 134143aba7ebSDave Airlie DRM_MODE_PROP_IMMUTABLE, 134243aba7ebSDave Airlie "PATH", 0); 1343356af0e1SRob Clark if (!prop) 1344356af0e1SRob Clark return -ENOMEM; 1345356af0e1SRob Clark dev->mode_config.path_property = prop; 134643aba7ebSDave Airlie 1347356af0e1SRob Clark prop = drm_property_create(dev, 13486f134d7bSDave Airlie DRM_MODE_PROP_BLOB | 13496f134d7bSDave Airlie DRM_MODE_PROP_IMMUTABLE, 13506f134d7bSDave Airlie "TILE", 0); 1351356af0e1SRob Clark if (!prop) 1352356af0e1SRob Clark return -ENOMEM; 1353356af0e1SRob Clark dev->mode_config.tile_property = prop; 13546f134d7bSDave Airlie 13556b4959f4SRob Clark prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 13569922ab5aSRob Clark "type", drm_plane_type_enum_list, 13579922ab5aSRob Clark ARRAY_SIZE(drm_plane_type_enum_list)); 13586b4959f4SRob Clark if (!prop) 13596b4959f4SRob Clark return -ENOMEM; 13606b4959f4SRob Clark dev->mode_config.plane_type_property = prop; 13616b4959f4SRob Clark 13626b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 13636b4959f4SRob Clark "SRC_X", 0, UINT_MAX); 13646b4959f4SRob Clark if (!prop) 13656b4959f4SRob Clark return -ENOMEM; 13666b4959f4SRob Clark dev->mode_config.prop_src_x = prop; 13676b4959f4SRob Clark 13686b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 13696b4959f4SRob Clark "SRC_Y", 0, UINT_MAX); 13706b4959f4SRob Clark if (!prop) 13716b4959f4SRob Clark return -ENOMEM; 13726b4959f4SRob Clark dev->mode_config.prop_src_y = prop; 13736b4959f4SRob Clark 13746b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 13756b4959f4SRob Clark "SRC_W", 0, UINT_MAX); 13766b4959f4SRob Clark if (!prop) 13776b4959f4SRob Clark return -ENOMEM; 13786b4959f4SRob Clark dev->mode_config.prop_src_w = prop; 13796b4959f4SRob Clark 13806b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 13816b4959f4SRob Clark "SRC_H", 0, UINT_MAX); 13826b4959f4SRob Clark if (!prop) 13836b4959f4SRob Clark return -ENOMEM; 13846b4959f4SRob Clark dev->mode_config.prop_src_h = prop; 13856b4959f4SRob Clark 13866b4959f4SRob Clark prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, 13876b4959f4SRob Clark "CRTC_X", INT_MIN, INT_MAX); 13886b4959f4SRob Clark if (!prop) 13896b4959f4SRob Clark return -ENOMEM; 13906b4959f4SRob Clark dev->mode_config.prop_crtc_x = prop; 13916b4959f4SRob Clark 13926b4959f4SRob Clark prop = drm_property_create_signed_range(dev, DRM_MODE_PROP_ATOMIC, 13936b4959f4SRob Clark "CRTC_Y", INT_MIN, INT_MAX); 13946b4959f4SRob Clark if (!prop) 13956b4959f4SRob Clark return -ENOMEM; 13966b4959f4SRob Clark dev->mode_config.prop_crtc_y = prop; 13976b4959f4SRob Clark 13986b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 13996b4959f4SRob Clark "CRTC_W", 0, INT_MAX); 14006b4959f4SRob Clark if (!prop) 14016b4959f4SRob Clark return -ENOMEM; 14026b4959f4SRob Clark dev->mode_config.prop_crtc_w = prop; 14036b4959f4SRob Clark 14046b4959f4SRob Clark prop = drm_property_create_range(dev, DRM_MODE_PROP_ATOMIC, 14056b4959f4SRob Clark "CRTC_H", 0, INT_MAX); 14066b4959f4SRob Clark if (!prop) 14076b4959f4SRob Clark return -ENOMEM; 14086b4959f4SRob Clark dev->mode_config.prop_crtc_h = prop; 14096b4959f4SRob Clark 14106b4959f4SRob Clark prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, 14116b4959f4SRob Clark "FB_ID", DRM_MODE_OBJECT_FB); 14126b4959f4SRob Clark if (!prop) 14136b4959f4SRob Clark return -ENOMEM; 14146b4959f4SRob Clark dev->mode_config.prop_fb_id = prop; 14156b4959f4SRob Clark 14166b4959f4SRob Clark prop = drm_property_create_object(dev, DRM_MODE_PROP_ATOMIC, 14176b4959f4SRob Clark "CRTC_ID", DRM_MODE_OBJECT_CRTC); 14186b4959f4SRob Clark if (!prop) 14196b4959f4SRob Clark return -ENOMEM; 14206b4959f4SRob Clark dev->mode_config.prop_crtc_id = prop; 14219922ab5aSRob Clark 1422eab3bbefSDaniel Vetter prop = drm_property_create_bool(dev, DRM_MODE_PROP_ATOMIC, 1423eab3bbefSDaniel Vetter "ACTIVE"); 1424eab3bbefSDaniel Vetter if (!prop) 1425eab3bbefSDaniel Vetter return -ENOMEM; 1426eab3bbefSDaniel Vetter dev->mode_config.prop_active = prop; 1427eab3bbefSDaniel Vetter 14289922ab5aSRob Clark return 0; 14299922ab5aSRob Clark } 14309922ab5aSRob Clark 1431f453ba04SDave Airlie /** 1432f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 1433f453ba04SDave Airlie * @dev: DRM device 1434f453ba04SDave Airlie * 1435f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 1436f453ba04SDave Airlie */ 1437f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 1438f453ba04SDave Airlie { 1439f453ba04SDave Airlie struct drm_property *dvi_i_selector; 1440f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 1441f453ba04SDave Airlie 1442f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 1443f453ba04SDave Airlie return 0; 1444f453ba04SDave Airlie 1445f453ba04SDave Airlie dvi_i_selector = 14464a67d391SSascha Hauer drm_property_create_enum(dev, 0, 1447f453ba04SDave Airlie "select subconnector", 14484a67d391SSascha Hauer drm_dvi_i_select_enum_list, 1449f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 1450f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 1451f453ba04SDave Airlie 14524a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1453f453ba04SDave Airlie "subconnector", 14544a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 1455f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 1456f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 1457f453ba04SDave Airlie 1458f453ba04SDave Airlie return 0; 1459f453ba04SDave Airlie } 1460f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 1461f453ba04SDave Airlie 1462f453ba04SDave Airlie /** 1463f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 1464f453ba04SDave Airlie * @dev: DRM device 1465f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 1466f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 1467f453ba04SDave Airlie * 1468f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 1469f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 1470f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 1471f453ba04SDave Airlie * this routine. 1472f453ba04SDave Airlie */ 14732f763312SThierry Reding int drm_mode_create_tv_properties(struct drm_device *dev, 14742f763312SThierry Reding unsigned int num_modes, 1475f453ba04SDave Airlie char *modes[]) 1476f453ba04SDave Airlie { 1477f453ba04SDave Airlie struct drm_property *tv_selector; 1478f453ba04SDave Airlie struct drm_property *tv_subconnector; 14792f763312SThierry Reding unsigned int i; 1480f453ba04SDave Airlie 1481f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 1482f453ba04SDave Airlie return 0; 1483f453ba04SDave Airlie 1484f453ba04SDave Airlie /* 1485f453ba04SDave Airlie * Basic connector properties 1486f453ba04SDave Airlie */ 14874a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 1488f453ba04SDave Airlie "select subconnector", 14894a67d391SSascha Hauer drm_tv_select_enum_list, 1490f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 1491f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 1492f453ba04SDave Airlie 1493f453ba04SDave Airlie tv_subconnector = 14944a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 14954a67d391SSascha Hauer "subconnector", 14964a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1497f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 1498f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1499f453ba04SDave Airlie 1500f453ba04SDave Airlie /* 1501f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1502f453ba04SDave Airlie */ 1503f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1504d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 1505f453ba04SDave Airlie 1506f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1507d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 1508f453ba04SDave Airlie 1509f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1510d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 1511f453ba04SDave Airlie 1512f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1513d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 1514f453ba04SDave Airlie 1515f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1516f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1517f453ba04SDave Airlie "mode", num_modes); 1518f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1519f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1520f453ba04SDave Airlie i, modes[i]); 1521f453ba04SDave Airlie 1522b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1523d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 1524b6b7902eSFrancisco Jerez 1525b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1526d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 1527b6b7902eSFrancisco Jerez 1528b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1529d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 1530b6b7902eSFrancisco Jerez 1531a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1532d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 1533a75f0236SFrancisco Jerez 1534a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1535d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 1536a75f0236SFrancisco Jerez 1537a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1538d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 1539a75f0236SFrancisco Jerez 1540f453ba04SDave Airlie return 0; 1541f453ba04SDave Airlie } 1542f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1543f453ba04SDave Airlie 1544f453ba04SDave Airlie /** 1545f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1546f453ba04SDave Airlie * @dev: DRM device 1547f453ba04SDave Airlie * 1548f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1549f453ba04SDave Airlie * connectors. 1550f453ba04SDave Airlie */ 1551f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1552f453ba04SDave Airlie { 1553f453ba04SDave Airlie struct drm_property *scaling_mode; 1554f453ba04SDave Airlie 1555f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1556f453ba04SDave Airlie return 0; 1557f453ba04SDave Airlie 1558f453ba04SDave Airlie scaling_mode = 15594a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 15604a67d391SSascha Hauer drm_scaling_mode_enum_list, 1561f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1562f453ba04SDave Airlie 1563f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1564f453ba04SDave Airlie 1565f453ba04SDave Airlie return 0; 1566f453ba04SDave Airlie } 1567f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1568f453ba04SDave Airlie 1569f453ba04SDave Airlie /** 1570ff587e45SVandana Kannan * drm_mode_create_aspect_ratio_property - create aspect ratio property 1571ff587e45SVandana Kannan * @dev: DRM device 1572ff587e45SVandana Kannan * 1573ff587e45SVandana Kannan * Called by a driver the first time it's needed, must be attached to desired 1574ff587e45SVandana Kannan * connectors. 1575ff587e45SVandana Kannan * 1576ff587e45SVandana Kannan * Returns: 15771a498633SDaniel Vetter * Zero on success, negative errno on failure. 1578ff587e45SVandana Kannan */ 1579ff587e45SVandana Kannan int drm_mode_create_aspect_ratio_property(struct drm_device *dev) 1580ff587e45SVandana Kannan { 1581ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property) 1582ff587e45SVandana Kannan return 0; 1583ff587e45SVandana Kannan 1584ff587e45SVandana Kannan dev->mode_config.aspect_ratio_property = 1585ff587e45SVandana Kannan drm_property_create_enum(dev, 0, "aspect ratio", 1586ff587e45SVandana Kannan drm_aspect_ratio_enum_list, 1587ff587e45SVandana Kannan ARRAY_SIZE(drm_aspect_ratio_enum_list)); 1588ff587e45SVandana Kannan 1589ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property == NULL) 1590ff587e45SVandana Kannan return -ENOMEM; 1591ff587e45SVandana Kannan 1592ff587e45SVandana Kannan return 0; 1593ff587e45SVandana Kannan } 1594ff587e45SVandana Kannan EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); 1595ff587e45SVandana Kannan 1596ff587e45SVandana Kannan /** 1597884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1598884840aaSJakob Bornecrantz * @dev: DRM device 1599884840aaSJakob Bornecrantz * 1600884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1601884840aaSJakob Bornecrantz * connectors. 1602884840aaSJakob Bornecrantz */ 1603884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1604884840aaSJakob Bornecrantz { 1605884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1606884840aaSJakob Bornecrantz 1607884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1608884840aaSJakob Bornecrantz return 0; 1609884840aaSJakob Bornecrantz 1610884840aaSJakob Bornecrantz dirty_info = 16114a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1612884840aaSJakob Bornecrantz "dirty", 16134a67d391SSascha Hauer drm_dirty_info_enum_list, 1614884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1615884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1616884840aaSJakob Bornecrantz 1617884840aaSJakob Bornecrantz return 0; 1618884840aaSJakob Bornecrantz } 1619884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1620884840aaSJakob Bornecrantz 16215bb2bbf5SDave Airlie /** 16225bb2bbf5SDave Airlie * drm_mode_create_suggested_offset_properties - create suggests offset properties 16235bb2bbf5SDave Airlie * @dev: DRM device 16245bb2bbf5SDave Airlie * 16255bb2bbf5SDave Airlie * Create the the suggested x/y offset property for connectors. 16265bb2bbf5SDave Airlie */ 16275bb2bbf5SDave Airlie int drm_mode_create_suggested_offset_properties(struct drm_device *dev) 16285bb2bbf5SDave Airlie { 16295bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property) 16305bb2bbf5SDave Airlie return 0; 16315bb2bbf5SDave Airlie 16325bb2bbf5SDave Airlie dev->mode_config.suggested_x_property = 16335bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff); 16345bb2bbf5SDave Airlie 16355bb2bbf5SDave Airlie dev->mode_config.suggested_y_property = 16365bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff); 16375bb2bbf5SDave Airlie 16385bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property == NULL || 16395bb2bbf5SDave Airlie dev->mode_config.suggested_y_property == NULL) 16405bb2bbf5SDave Airlie return -ENOMEM; 16415bb2bbf5SDave Airlie return 0; 16425bb2bbf5SDave Airlie } 16435bb2bbf5SDave Airlie EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties); 16445bb2bbf5SDave Airlie 1645ea9cbb06SVille Syrjälä static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 1646f453ba04SDave Airlie { 1647f453ba04SDave Airlie uint32_t total_objects = 0; 1648f453ba04SDave Airlie 1649f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 1650f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 1651f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 1652f453ba04SDave Airlie 1653bd3f0ff9SThierry Reding group->id_list = kcalloc(total_objects, sizeof(uint32_t), GFP_KERNEL); 1654f453ba04SDave Airlie if (!group->id_list) 1655f453ba04SDave Airlie return -ENOMEM; 1656f453ba04SDave Airlie 1657f453ba04SDave Airlie group->num_crtcs = 0; 1658f453ba04SDave Airlie group->num_connectors = 0; 1659f453ba04SDave Airlie group->num_encoders = 0; 1660f453ba04SDave Airlie return 0; 1661f453ba04SDave Airlie } 1662f453ba04SDave Airlie 1663ad222799SDave Airlie void drm_mode_group_destroy(struct drm_mode_group *group) 1664ad222799SDave Airlie { 1665ad222799SDave Airlie kfree(group->id_list); 1666ad222799SDave Airlie group->id_list = NULL; 1667ad222799SDave Airlie } 1668ad222799SDave Airlie 1669c8e32cc1SDaniel Vetter /* 1670c8e32cc1SDaniel Vetter * NOTE: Driver's shouldn't ever call drm_mode_group_init_legacy_group - it is 1671c8e32cc1SDaniel Vetter * the drm core's responsibility to set up mode control groups. 1672c8e32cc1SDaniel Vetter */ 1673f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 1674f453ba04SDave Airlie struct drm_mode_group *group) 1675f453ba04SDave Airlie { 1676f453ba04SDave Airlie struct drm_crtc *crtc; 1677f453ba04SDave Airlie struct drm_encoder *encoder; 1678f453ba04SDave Airlie struct drm_connector *connector; 1679f453ba04SDave Airlie int ret; 1680f453ba04SDave Airlie 16810cc0b223SThierry Reding ret = drm_mode_group_init(dev, group); 16820cc0b223SThierry Reding if (ret) 1683f453ba04SDave Airlie return ret; 1684f453ba04SDave Airlie 1685f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 1686f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 1687f453ba04SDave Airlie 1688f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 1689f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 1690f453ba04SDave Airlie encoder->base.id; 1691f453ba04SDave Airlie 1692f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 1693f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 1694f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 1695f453ba04SDave Airlie 1696f453ba04SDave Airlie return 0; 1697f453ba04SDave Airlie } 16989c1dfc55SDave Airlie EXPORT_SYMBOL(drm_mode_group_init_legacy_group); 1699f453ba04SDave Airlie 17002390cd11SDave Airlie void drm_reinit_primary_mode_group(struct drm_device *dev) 17012390cd11SDave Airlie { 17022390cd11SDave Airlie drm_modeset_lock_all(dev); 17032390cd11SDave Airlie drm_mode_group_destroy(&dev->primary->mode_group); 17042390cd11SDave Airlie drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); 17052390cd11SDave Airlie drm_modeset_unlock_all(dev); 17062390cd11SDave Airlie } 17072390cd11SDave Airlie EXPORT_SYMBOL(drm_reinit_primary_mode_group); 17082390cd11SDave Airlie 1709f453ba04SDave Airlie /** 1710f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1711f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 1712f453ba04SDave Airlie * @in: drm_display_mode to use 1713f453ba04SDave Airlie * 1714f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1715f453ba04SDave Airlie * the user. 1716f453ba04SDave Airlie */ 171793bbf6dbSVille Syrjälä static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 171893bbf6dbSVille Syrjälä const struct drm_display_mode *in) 1719f453ba04SDave Airlie { 1720e36fae38SVille Syrjälä WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1721e36fae38SVille Syrjälä in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1722e36fae38SVille Syrjälä in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1723e36fae38SVille Syrjälä in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1724e36fae38SVille Syrjälä in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, 1725e36fae38SVille Syrjälä "timing values too large for mode info\n"); 1726e36fae38SVille Syrjälä 1727f453ba04SDave Airlie out->clock = in->clock; 1728f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1729f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1730f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1731f453ba04SDave Airlie out->htotal = in->htotal; 1732f453ba04SDave Airlie out->hskew = in->hskew; 1733f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1734f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1735f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1736f453ba04SDave Airlie out->vtotal = in->vtotal; 1737f453ba04SDave Airlie out->vscan = in->vscan; 1738f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1739f453ba04SDave Airlie out->flags = in->flags; 1740f453ba04SDave Airlie out->type = in->type; 1741f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1742f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1743f453ba04SDave Airlie } 1744f453ba04SDave Airlie 1745f453ba04SDave Airlie /** 174674afee7dSMarc-André Lureau * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode 1747f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1748f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1749f453ba04SDave Airlie * 1750f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1751f453ba04SDave Airlie * the caller. 175290367bf6SVille Syrjälä * 1753c8e32cc1SDaniel Vetter * Returns: 17541a498633SDaniel Vetter * Zero on success, negative errno on failure. 1755f453ba04SDave Airlie */ 175693bbf6dbSVille Syrjälä static int drm_crtc_convert_umode(struct drm_display_mode *out, 175793bbf6dbSVille Syrjälä const struct drm_mode_modeinfo *in) 1758f453ba04SDave Airlie { 175990367bf6SVille Syrjälä if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 176090367bf6SVille Syrjälä return -ERANGE; 176190367bf6SVille Syrjälä 17625848ad40SDamien Lespiau if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX) 17635848ad40SDamien Lespiau return -EINVAL; 17645848ad40SDamien Lespiau 1765f453ba04SDave Airlie out->clock = in->clock; 1766f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1767f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1768f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1769f453ba04SDave Airlie out->htotal = in->htotal; 1770f453ba04SDave Airlie out->hskew = in->hskew; 1771f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1772f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1773f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1774f453ba04SDave Airlie out->vtotal = in->vtotal; 1775f453ba04SDave Airlie out->vscan = in->vscan; 1776f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1777f453ba04SDave Airlie out->flags = in->flags; 1778f453ba04SDave Airlie out->type = in->type; 1779f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1780f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 178190367bf6SVille Syrjälä 178290367bf6SVille Syrjälä return 0; 1783f453ba04SDave Airlie } 1784f453ba04SDave Airlie 1785f453ba04SDave Airlie /** 1786f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1787065a50edSDaniel Vetter * @dev: drm device for the ioctl 1788065a50edSDaniel Vetter * @data: data pointer for the ioctl 1789065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1790f453ba04SDave Airlie * 1791f453ba04SDave Airlie * Construct a set of configuration description structures and return 1792f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1793f453ba04SDave Airlie * 1794f453ba04SDave Airlie * Called by the user via ioctl. 1795f453ba04SDave Airlie * 1796c8e32cc1SDaniel Vetter * Returns: 17971a498633SDaniel Vetter * Zero on success, negative errno on failure. 1798f453ba04SDave Airlie */ 1799f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1800f453ba04SDave Airlie struct drm_file *file_priv) 1801f453ba04SDave Airlie { 1802f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1803f453ba04SDave Airlie struct list_head *lh; 1804f453ba04SDave Airlie struct drm_framebuffer *fb; 1805f453ba04SDave Airlie struct drm_connector *connector; 1806f453ba04SDave Airlie struct drm_crtc *crtc; 1807f453ba04SDave Airlie struct drm_encoder *encoder; 1808f453ba04SDave Airlie int ret = 0; 1809f453ba04SDave Airlie int connector_count = 0; 1810f453ba04SDave Airlie int crtc_count = 0; 1811f453ba04SDave Airlie int fb_count = 0; 1812f453ba04SDave Airlie int encoder_count = 0; 1813f453ba04SDave Airlie int copied = 0, i; 1814f453ba04SDave Airlie uint32_t __user *fb_id; 1815f453ba04SDave Airlie uint32_t __user *crtc_id; 1816f453ba04SDave Airlie uint32_t __user *connector_id; 1817f453ba04SDave Airlie uint32_t __user *encoder_id; 1818f453ba04SDave Airlie struct drm_mode_group *mode_group; 1819f453ba04SDave Airlie 1820fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1821fb3b06c8SDave Airlie return -EINVAL; 1822fb3b06c8SDave Airlie 1823f453ba04SDave Airlie 18244b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1825f453ba04SDave Airlie /* 1826f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1827f453ba04SDave Airlie * by IDs in the group list for this node 1828f453ba04SDave Airlie */ 1829f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1830f453ba04SDave Airlie fb_count++; 1831f453ba04SDave Airlie 18324b096ac1SDaniel Vetter /* handle this in 4 parts */ 18334b096ac1SDaniel Vetter /* FBs */ 18344b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 18354b096ac1SDaniel Vetter copied = 0; 18364b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 18374b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 18384b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 18394b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 18404b096ac1SDaniel Vetter return -EFAULT; 18414b096ac1SDaniel Vetter } 18424b096ac1SDaniel Vetter copied++; 18434b096ac1SDaniel Vetter } 18444b096ac1SDaniel Vetter } 18454b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 18464b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 18474b096ac1SDaniel Vetter 1848fcf93f69SDaniel Vetter /* mode_config.mutex protects the connector list against e.g. DP MST 1849fcf93f69SDaniel Vetter * connector hot-adding. CRTC/Plane lists are invariant. */ 1850fcf93f69SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 185143683057SThomas Hellstrom if (!drm_is_primary_client(file_priv)) { 1852f453ba04SDave Airlie 185309f308f7SThomas Hellstrom mode_group = NULL; 1854f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1855f453ba04SDave Airlie crtc_count++; 1856f453ba04SDave Airlie 1857f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1858f453ba04SDave Airlie connector_count++; 1859f453ba04SDave Airlie 1860f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1861f453ba04SDave Airlie encoder_count++; 1862f453ba04SDave Airlie } else { 1863f453ba04SDave Airlie 186409f308f7SThomas Hellstrom mode_group = &file_priv->master->minor->mode_group; 1865f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1866f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1867f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1868f453ba04SDave Airlie } 1869f453ba04SDave Airlie 1870f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1871f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1872f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1873f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1874f453ba04SDave Airlie 1875f453ba04SDave Airlie /* CRTCs */ 1876f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1877f453ba04SDave Airlie copied = 0; 1878f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 187909f308f7SThomas Hellstrom if (!mode_group) { 1880f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1881f453ba04SDave Airlie head) { 18829440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1883f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1884f453ba04SDave Airlie ret = -EFAULT; 1885f453ba04SDave Airlie goto out; 1886f453ba04SDave Airlie } 1887f453ba04SDave Airlie copied++; 1888f453ba04SDave Airlie } 1889f453ba04SDave Airlie } else { 1890f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1891f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1892f453ba04SDave Airlie crtc_id + copied)) { 1893f453ba04SDave Airlie ret = -EFAULT; 1894f453ba04SDave Airlie goto out; 1895f453ba04SDave Airlie } 1896f453ba04SDave Airlie copied++; 1897f453ba04SDave Airlie } 1898f453ba04SDave Airlie } 1899f453ba04SDave Airlie } 1900f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1901f453ba04SDave Airlie 1902f453ba04SDave Airlie /* Encoders */ 1903f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1904f453ba04SDave Airlie copied = 0; 1905f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 190609f308f7SThomas Hellstrom if (!mode_group) { 1907f453ba04SDave Airlie list_for_each_entry(encoder, 1908f453ba04SDave Airlie &dev->mode_config.encoder_list, 1909f453ba04SDave Airlie head) { 19109440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 191183a8cfd3SJani Nikula encoder->name); 1912f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1913f453ba04SDave Airlie copied)) { 1914f453ba04SDave Airlie ret = -EFAULT; 1915f453ba04SDave Airlie goto out; 1916f453ba04SDave Airlie } 1917f453ba04SDave Airlie copied++; 1918f453ba04SDave Airlie } 1919f453ba04SDave Airlie } else { 1920f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1921f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1922f453ba04SDave Airlie encoder_id + copied)) { 1923f453ba04SDave Airlie ret = -EFAULT; 1924f453ba04SDave Airlie goto out; 1925f453ba04SDave Airlie } 1926f453ba04SDave Airlie copied++; 1927f453ba04SDave Airlie } 1928f453ba04SDave Airlie 1929f453ba04SDave Airlie } 1930f453ba04SDave Airlie } 1931f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1932f453ba04SDave Airlie 1933f453ba04SDave Airlie /* Connectors */ 1934f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1935f453ba04SDave Airlie copied = 0; 1936f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 193709f308f7SThomas Hellstrom if (!mode_group) { 1938f453ba04SDave Airlie list_for_each_entry(connector, 1939f453ba04SDave Airlie &dev->mode_config.connector_list, 1940f453ba04SDave Airlie head) { 19419440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 19429440106bSJerome Glisse connector->base.id, 194325933820SJani Nikula connector->name); 1944f453ba04SDave Airlie if (put_user(connector->base.id, 1945f453ba04SDave Airlie connector_id + copied)) { 1946f453ba04SDave Airlie ret = -EFAULT; 1947f453ba04SDave Airlie goto out; 1948f453ba04SDave Airlie } 1949f453ba04SDave Airlie copied++; 1950f453ba04SDave Airlie } 1951f453ba04SDave Airlie } else { 1952f453ba04SDave Airlie int start = mode_group->num_crtcs + 1953f453ba04SDave Airlie mode_group->num_encoders; 1954f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1955f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1956f453ba04SDave Airlie connector_id + copied)) { 1957f453ba04SDave Airlie ret = -EFAULT; 1958f453ba04SDave Airlie goto out; 1959f453ba04SDave Airlie } 1960f453ba04SDave Airlie copied++; 1961f453ba04SDave Airlie } 1962f453ba04SDave Airlie } 1963f453ba04SDave Airlie } 1964f453ba04SDave Airlie card_res->count_connectors = connector_count; 1965f453ba04SDave Airlie 19669440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1967f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1968f453ba04SDave Airlie 1969f453ba04SDave Airlie out: 1970fcf93f69SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 1971f453ba04SDave Airlie return ret; 1972f453ba04SDave Airlie } 1973f453ba04SDave Airlie 1974f453ba04SDave Airlie /** 1975f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1976065a50edSDaniel Vetter * @dev: drm device for the ioctl 1977065a50edSDaniel Vetter * @data: data pointer for the ioctl 1978065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1979f453ba04SDave Airlie * 1980f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1981f453ba04SDave Airlie * 1982f453ba04SDave Airlie * Called by the user via ioctl. 1983f453ba04SDave Airlie * 1984c8e32cc1SDaniel Vetter * Returns: 19851a498633SDaniel Vetter * Zero on success, negative errno on failure. 1986f453ba04SDave Airlie */ 1987f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1988f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1989f453ba04SDave Airlie { 1990f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1991f453ba04SDave Airlie struct drm_crtc *crtc; 1992f453ba04SDave Airlie 1993fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1994fb3b06c8SDave Airlie return -EINVAL; 1995fb3b06c8SDave Airlie 1996a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_resp->crtc_id); 1997fcf93f69SDaniel Vetter if (!crtc) 1998fcf93f69SDaniel Vetter return -ENOENT; 1999f453ba04SDave Airlie 2000fcf93f69SDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 2001f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 2002f4510a27SMatt Roper if (crtc->primary->fb) 2003f4510a27SMatt Roper crtc_resp->fb_id = crtc->primary->fb->base.id; 2004f453ba04SDave Airlie else 2005f453ba04SDave Airlie crtc_resp->fb_id = 0; 2006f453ba04SDave Airlie 200731c946e8SDaniel Vetter if (crtc->state) { 200831c946e8SDaniel Vetter crtc_resp->x = crtc->primary->state->src_x >> 16; 200931c946e8SDaniel Vetter crtc_resp->y = crtc->primary->state->src_y >> 16; 201031c946e8SDaniel Vetter if (crtc->state->enable) { 201131c946e8SDaniel Vetter drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); 201231c946e8SDaniel Vetter crtc_resp->mode_valid = 1; 2013f453ba04SDave Airlie 201431c946e8SDaniel Vetter } else { 201531c946e8SDaniel Vetter crtc_resp->mode_valid = 0; 201631c946e8SDaniel Vetter } 201731c946e8SDaniel Vetter } else { 201831c946e8SDaniel Vetter crtc_resp->x = crtc->x; 201931c946e8SDaniel Vetter crtc_resp->y = crtc->y; 202031c946e8SDaniel Vetter if (crtc->enabled) { 2021f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 2022f453ba04SDave Airlie crtc_resp->mode_valid = 1; 2023f453ba04SDave Airlie 2024f453ba04SDave Airlie } else { 2025f453ba04SDave Airlie crtc_resp->mode_valid = 0; 2026f453ba04SDave Airlie } 202731c946e8SDaniel Vetter } 2028fcf93f69SDaniel Vetter drm_modeset_unlock_crtc(crtc); 2029f453ba04SDave Airlie 2030baf698b0SDaniel Vetter return 0; 2031f453ba04SDave Airlie } 2032f453ba04SDave Airlie 203361d8e328SDamien Lespiau static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, 203461d8e328SDamien Lespiau const struct drm_file *file_priv) 203561d8e328SDamien Lespiau { 203661d8e328SDamien Lespiau /* 203761d8e328SDamien Lespiau * If user-space hasn't configured the driver to expose the stereo 3D 203861d8e328SDamien Lespiau * modes, don't expose them. 203961d8e328SDamien Lespiau */ 204061d8e328SDamien Lespiau if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) 204161d8e328SDamien Lespiau return false; 204261d8e328SDamien Lespiau 204361d8e328SDamien Lespiau return true; 204461d8e328SDamien Lespiau } 204561d8e328SDamien Lespiau 2046abd69c55SDaniel Vetter static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector) 2047abd69c55SDaniel Vetter { 2048abd69c55SDaniel Vetter /* For atomic drivers only state objects are synchronously updated and 2049abd69c55SDaniel Vetter * protected by modeset locks, so check those first. */ 2050abd69c55SDaniel Vetter if (connector->state) 2051abd69c55SDaniel Vetter return connector->state->best_encoder; 2052abd69c55SDaniel Vetter return connector->encoder; 2053abd69c55SDaniel Vetter } 2054abd69c55SDaniel Vetter 205595cbf110SRob Clark /* helper for getconnector and getproperties ioctls */ 205688a48e29SRob Clark static int get_properties(struct drm_mode_object *obj, bool atomic, 205795cbf110SRob Clark uint32_t __user *prop_ptr, uint64_t __user *prop_values, 205895cbf110SRob Clark uint32_t *arg_count_props) 205995cbf110SRob Clark { 206088a48e29SRob Clark int props_count; 206188a48e29SRob Clark int i, ret, copied; 206288a48e29SRob Clark 206388a48e29SRob Clark props_count = obj->properties->count; 206488a48e29SRob Clark if (!atomic) 206588a48e29SRob Clark props_count -= obj->properties->atomic_count; 206695cbf110SRob Clark 206795cbf110SRob Clark if ((*arg_count_props >= props_count) && props_count) { 206888a48e29SRob Clark for (i = 0, copied = 0; copied < props_count; i++) { 206995cbf110SRob Clark struct drm_property *prop = obj->properties->properties[i]; 207095cbf110SRob Clark uint64_t val; 207195cbf110SRob Clark 207288a48e29SRob Clark if ((prop->flags & DRM_MODE_PROP_ATOMIC) && !atomic) 207388a48e29SRob Clark continue; 207488a48e29SRob Clark 207595cbf110SRob Clark ret = drm_object_property_get_value(obj, prop, &val); 207695cbf110SRob Clark if (ret) 207795cbf110SRob Clark return ret; 207895cbf110SRob Clark 207995cbf110SRob Clark if (put_user(prop->base.id, prop_ptr + copied)) 208095cbf110SRob Clark return -EFAULT; 208195cbf110SRob Clark 208295cbf110SRob Clark if (put_user(val, prop_values + copied)) 208395cbf110SRob Clark return -EFAULT; 208495cbf110SRob Clark 208595cbf110SRob Clark copied++; 208695cbf110SRob Clark } 208795cbf110SRob Clark } 208895cbf110SRob Clark *arg_count_props = props_count; 208995cbf110SRob Clark 209095cbf110SRob Clark return 0; 209195cbf110SRob Clark } 209295cbf110SRob Clark 2093f453ba04SDave Airlie /** 2094f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 2095065a50edSDaniel Vetter * @dev: drm device for the ioctl 2096065a50edSDaniel Vetter * @data: data pointer for the ioctl 2097065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2098f453ba04SDave Airlie * 2099f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 2100f453ba04SDave Airlie * 2101f453ba04SDave Airlie * Called by the user via ioctl. 2102f453ba04SDave Airlie * 2103c8e32cc1SDaniel Vetter * Returns: 21041a498633SDaniel Vetter * Zero on success, negative errno on failure. 2105f453ba04SDave Airlie */ 2106f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 2107f453ba04SDave Airlie struct drm_file *file_priv) 2108f453ba04SDave Airlie { 2109f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 2110f453ba04SDave Airlie struct drm_connector *connector; 2111abd69c55SDaniel Vetter struct drm_encoder *encoder; 2112f453ba04SDave Airlie struct drm_display_mode *mode; 2113f453ba04SDave Airlie int mode_count = 0; 2114f453ba04SDave Airlie int encoders_count = 0; 2115f453ba04SDave Airlie int ret = 0; 2116f453ba04SDave Airlie int copied = 0; 2117f453ba04SDave Airlie int i; 2118f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 2119f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 2120f453ba04SDave Airlie uint32_t __user *encoder_ptr; 2121f453ba04SDave Airlie 2122fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2123fb3b06c8SDave Airlie return -EINVAL; 2124fb3b06c8SDave Airlie 2125f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 2126f453ba04SDave Airlie 21279440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 2128f453ba04SDave Airlie 21297b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 2130f453ba04SDave Airlie 2131a2b34e22SRob Clark connector = drm_connector_find(dev, out_resp->connector_id); 2132a2b34e22SRob Clark if (!connector) { 2133f27657f2SVille Syrjälä ret = -ENOENT; 2134f453ba04SDave Airlie goto out; 2135f453ba04SDave Airlie } 2136f453ba04SDave Airlie 213701073b08SThierry Reding for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) 213801073b08SThierry Reding if (connector->encoder_ids[i] != 0) 2139f453ba04SDave Airlie encoders_count++; 2140f453ba04SDave Airlie 2141f453ba04SDave Airlie if (out_resp->count_modes == 0) { 2142f453ba04SDave Airlie connector->funcs->fill_modes(connector, 2143f453ba04SDave Airlie dev->mode_config.max_width, 2144f453ba04SDave Airlie dev->mode_config.max_height); 2145f453ba04SDave Airlie } 2146f453ba04SDave Airlie 2147f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 2148f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 214961d8e328SDamien Lespiau if (drm_mode_expose_to_userspace(mode, file_priv)) 2150f453ba04SDave Airlie mode_count++; 2151f453ba04SDave Airlie 2152f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 2153f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 2154f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 2155f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 2156f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 2157f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 2158f453ba04SDave Airlie out_resp->connection = connector->status; 21592caa80e7SDaniel Vetter 21602caa80e7SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2161abd69c55SDaniel Vetter encoder = drm_connector_get_encoder(connector); 2162abd69c55SDaniel Vetter if (encoder) 2163abd69c55SDaniel Vetter out_resp->encoder_id = encoder->base.id; 2164f453ba04SDave Airlie else 2165f453ba04SDave Airlie out_resp->encoder_id = 0; 2166f453ba04SDave Airlie 2167f453ba04SDave Airlie /* 2168f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 2169f453ba04SDave Airlie * needed, and the 2nd time to fill it. 2170f453ba04SDave Airlie */ 2171f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 2172f453ba04SDave Airlie copied = 0; 217381f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 2174f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 217561d8e328SDamien Lespiau if (!drm_mode_expose_to_userspace(mode, file_priv)) 217661d8e328SDamien Lespiau continue; 217761d8e328SDamien Lespiau 2178f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 2179f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 2180f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 2181f453ba04SDave Airlie ret = -EFAULT; 2182f453ba04SDave Airlie goto out; 2183f453ba04SDave Airlie } 2184f453ba04SDave Airlie copied++; 2185f453ba04SDave Airlie } 2186f453ba04SDave Airlie } 2187f453ba04SDave Airlie out_resp->count_modes = mode_count; 2188f453ba04SDave Airlie 218988a48e29SRob Clark ret = get_properties(&connector->base, file_priv->atomic, 219095cbf110SRob Clark (uint32_t __user *)(unsigned long)(out_resp->props_ptr), 219195cbf110SRob Clark (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), 219295cbf110SRob Clark &out_resp->count_props); 219322b8b13bSRob Clark if (ret) 2194f453ba04SDave Airlie goto out; 2195f453ba04SDave Airlie 2196f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 2197f453ba04SDave Airlie copied = 0; 219881f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 2199f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2200f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 2201f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 2202f453ba04SDave Airlie encoder_ptr + copied)) { 2203f453ba04SDave Airlie ret = -EFAULT; 2204f453ba04SDave Airlie goto out; 2205f453ba04SDave Airlie } 2206f453ba04SDave Airlie copied++; 2207f453ba04SDave Airlie } 2208f453ba04SDave Airlie } 2209f453ba04SDave Airlie } 2210f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 2211f453ba04SDave Airlie 2212f453ba04SDave Airlie out: 2213ccfc0865SRob Clark drm_modeset_unlock(&dev->mode_config.connection_mutex); 22147b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 22157b24056bSDaniel Vetter 2216f453ba04SDave Airlie return ret; 2217f453ba04SDave Airlie } 2218f453ba04SDave Airlie 2219abd69c55SDaniel Vetter static struct drm_crtc *drm_encoder_get_crtc(struct drm_encoder *encoder) 2220abd69c55SDaniel Vetter { 2221abd69c55SDaniel Vetter struct drm_connector *connector; 2222abd69c55SDaniel Vetter struct drm_device *dev = encoder->dev; 2223abd69c55SDaniel Vetter bool uses_atomic = false; 2224abd69c55SDaniel Vetter 2225abd69c55SDaniel Vetter /* For atomic drivers only state objects are synchronously updated and 2226abd69c55SDaniel Vetter * protected by modeset locks, so check those first. */ 2227abd69c55SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 2228abd69c55SDaniel Vetter if (!connector->state) 2229abd69c55SDaniel Vetter continue; 2230abd69c55SDaniel Vetter 2231abd69c55SDaniel Vetter uses_atomic = true; 2232abd69c55SDaniel Vetter 2233abd69c55SDaniel Vetter if (connector->state->best_encoder != encoder) 2234abd69c55SDaniel Vetter continue; 2235abd69c55SDaniel Vetter 2236abd69c55SDaniel Vetter return connector->state->crtc; 2237abd69c55SDaniel Vetter } 2238abd69c55SDaniel Vetter 2239abd69c55SDaniel Vetter /* Don't return stale data (e.g. pending async disable). */ 2240abd69c55SDaniel Vetter if (uses_atomic) 2241abd69c55SDaniel Vetter return NULL; 2242abd69c55SDaniel Vetter 2243abd69c55SDaniel Vetter return encoder->crtc; 2244abd69c55SDaniel Vetter } 2245abd69c55SDaniel Vetter 2246c8e32cc1SDaniel Vetter /** 2247c8e32cc1SDaniel Vetter * drm_mode_getencoder - get encoder configuration 2248c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2249c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2250c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2251c8e32cc1SDaniel Vetter * 2252c8e32cc1SDaniel Vetter * Construct a encoder configuration structure to return to the user. 2253c8e32cc1SDaniel Vetter * 2254c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2255c8e32cc1SDaniel Vetter * 2256c8e32cc1SDaniel Vetter * Returns: 22571a498633SDaniel Vetter * Zero on success, negative errno on failure. 2258c8e32cc1SDaniel Vetter */ 2259f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 2260f453ba04SDave Airlie struct drm_file *file_priv) 2261f453ba04SDave Airlie { 2262f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 2263f453ba04SDave Airlie struct drm_encoder *encoder; 2264abd69c55SDaniel Vetter struct drm_crtc *crtc; 2265f453ba04SDave Airlie 2266fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2267fb3b06c8SDave Airlie return -EINVAL; 2268fb3b06c8SDave Airlie 2269a2b34e22SRob Clark encoder = drm_encoder_find(dev, enc_resp->encoder_id); 2270fcf93f69SDaniel Vetter if (!encoder) 2271fcf93f69SDaniel Vetter return -ENOENT; 2272f453ba04SDave Airlie 2273fcf93f69SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2274abd69c55SDaniel Vetter crtc = drm_encoder_get_crtc(encoder); 2275abd69c55SDaniel Vetter if (crtc) 2276abd69c55SDaniel Vetter enc_resp->crtc_id = crtc->base.id; 2277f453ba04SDave Airlie else 2278f453ba04SDave Airlie enc_resp->crtc_id = 0; 2279fcf93f69SDaniel Vetter drm_modeset_unlock(&dev->mode_config.connection_mutex); 2280fcf93f69SDaniel Vetter 2281f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 2282f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 2283f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 2284f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 2285f453ba04SDave Airlie 2286baf698b0SDaniel Vetter return 0; 2287f453ba04SDave Airlie } 2288f453ba04SDave Airlie 2289f453ba04SDave Airlie /** 2290c8e32cc1SDaniel Vetter * drm_mode_getplane_res - enumerate all plane resources 22918cf5c917SJesse Barnes * @dev: DRM device 22928cf5c917SJesse Barnes * @data: ioctl data 22938cf5c917SJesse Barnes * @file_priv: DRM file info 22948cf5c917SJesse Barnes * 2295c8e32cc1SDaniel Vetter * Construct a list of plane ids to return to the user. 2296c8e32cc1SDaniel Vetter * 2297c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2298c8e32cc1SDaniel Vetter * 2299c8e32cc1SDaniel Vetter * Returns: 23001a498633SDaniel Vetter * Zero on success, negative errno on failure. 23018cf5c917SJesse Barnes */ 23028cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 23038cf5c917SJesse Barnes struct drm_file *file_priv) 23048cf5c917SJesse Barnes { 23058cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 23068cf5c917SJesse Barnes struct drm_mode_config *config; 23078cf5c917SJesse Barnes struct drm_plane *plane; 23088cf5c917SJesse Barnes uint32_t __user *plane_ptr; 2309fcf93f69SDaniel Vetter int copied = 0; 2310681e7ec7SMatt Roper unsigned num_planes; 23118cf5c917SJesse Barnes 23128cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 23138cf5c917SJesse Barnes return -EINVAL; 23148cf5c917SJesse Barnes 23158cf5c917SJesse Barnes config = &dev->mode_config; 23168cf5c917SJesse Barnes 2317681e7ec7SMatt Roper if (file_priv->universal_planes) 2318681e7ec7SMatt Roper num_planes = config->num_total_plane; 2319681e7ec7SMatt Roper else 2320681e7ec7SMatt Roper num_planes = config->num_overlay_plane; 2321681e7ec7SMatt Roper 23228cf5c917SJesse Barnes /* 23238cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 23248cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 23258cf5c917SJesse Barnes */ 2326681e7ec7SMatt Roper if (num_planes && 2327681e7ec7SMatt Roper (plane_resp->count_planes >= num_planes)) { 232881f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 23298cf5c917SJesse Barnes 2330fcf93f69SDaniel Vetter /* Plane lists are invariant, no locking needed. */ 23318cf5c917SJesse Barnes list_for_each_entry(plane, &config->plane_list, head) { 2332681e7ec7SMatt Roper /* 2333681e7ec7SMatt Roper * Unless userspace set the 'universal planes' 2334681e7ec7SMatt Roper * capability bit, only advertise overlays. 2335681e7ec7SMatt Roper */ 2336681e7ec7SMatt Roper if (plane->type != DRM_PLANE_TYPE_OVERLAY && 2337681e7ec7SMatt Roper !file_priv->universal_planes) 2338e27dde3eSMatt Roper continue; 2339e27dde3eSMatt Roper 2340fcf93f69SDaniel Vetter if (put_user(plane->base.id, plane_ptr + copied)) 2341fcf93f69SDaniel Vetter return -EFAULT; 23428cf5c917SJesse Barnes copied++; 23438cf5c917SJesse Barnes } 23448cf5c917SJesse Barnes } 2345681e7ec7SMatt Roper plane_resp->count_planes = num_planes; 23468cf5c917SJesse Barnes 2347fcf93f69SDaniel Vetter return 0; 23488cf5c917SJesse Barnes } 23498cf5c917SJesse Barnes 23508cf5c917SJesse Barnes /** 2351c8e32cc1SDaniel Vetter * drm_mode_getplane - get plane configuration 23528cf5c917SJesse Barnes * @dev: DRM device 23538cf5c917SJesse Barnes * @data: ioctl data 23548cf5c917SJesse Barnes * @file_priv: DRM file info 23558cf5c917SJesse Barnes * 2356c8e32cc1SDaniel Vetter * Construct a plane configuration structure to return to the user. 2357c8e32cc1SDaniel Vetter * 2358c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2359c8e32cc1SDaniel Vetter * 2360c8e32cc1SDaniel Vetter * Returns: 23611a498633SDaniel Vetter * Zero on success, negative errno on failure. 23628cf5c917SJesse Barnes */ 23638cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 23648cf5c917SJesse Barnes struct drm_file *file_priv) 23658cf5c917SJesse Barnes { 23668cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 23678cf5c917SJesse Barnes struct drm_plane *plane; 23688cf5c917SJesse Barnes uint32_t __user *format_ptr; 23698cf5c917SJesse Barnes 23708cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 23718cf5c917SJesse Barnes return -EINVAL; 23728cf5c917SJesse Barnes 2373a2b34e22SRob Clark plane = drm_plane_find(dev, plane_resp->plane_id); 2374fcf93f69SDaniel Vetter if (!plane) 2375fcf93f69SDaniel Vetter return -ENOENT; 23768cf5c917SJesse Barnes 2377fcf93f69SDaniel Vetter drm_modeset_lock(&plane->mutex, NULL); 23788cf5c917SJesse Barnes if (plane->crtc) 23798cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 23808cf5c917SJesse Barnes else 23818cf5c917SJesse Barnes plane_resp->crtc_id = 0; 23828cf5c917SJesse Barnes 23838cf5c917SJesse Barnes if (plane->fb) 23848cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 23858cf5c917SJesse Barnes else 23868cf5c917SJesse Barnes plane_resp->fb_id = 0; 2387fcf93f69SDaniel Vetter drm_modeset_unlock(&plane->mutex); 23888cf5c917SJesse Barnes 23898cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 23908cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 2391778ad903SVille Syrjälä plane_resp->gamma_size = 0; 23928cf5c917SJesse Barnes 23938cf5c917SJesse Barnes /* 23948cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 23958cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 23968cf5c917SJesse Barnes */ 23978cf5c917SJesse Barnes if (plane->format_count && 23988cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 239981f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 24008cf5c917SJesse Barnes if (copy_to_user(format_ptr, 24018cf5c917SJesse Barnes plane->format_types, 24028cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 2403fcf93f69SDaniel Vetter return -EFAULT; 24048cf5c917SJesse Barnes } 24058cf5c917SJesse Barnes } 24068cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 24078cf5c917SJesse Barnes 2408baf698b0SDaniel Vetter return 0; 24098cf5c917SJesse Barnes } 24108cf5c917SJesse Barnes 2411ead8610dSLaurent Pinchart /** 2412ead8610dSLaurent Pinchart * drm_plane_check_pixel_format - Check if the plane supports the pixel format 2413ead8610dSLaurent Pinchart * @plane: plane to check for format support 2414ead8610dSLaurent Pinchart * @format: the pixel format 2415ead8610dSLaurent Pinchart * 2416ead8610dSLaurent Pinchart * Returns: 2417ead8610dSLaurent Pinchart * Zero of @plane has @format in its list of supported pixel formats, -EINVAL 2418ead8610dSLaurent Pinchart * otherwise. 2419ead8610dSLaurent Pinchart */ 2420ead8610dSLaurent Pinchart int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format) 2421ead8610dSLaurent Pinchart { 2422ead8610dSLaurent Pinchart unsigned int i; 2423ead8610dSLaurent Pinchart 2424ead8610dSLaurent Pinchart for (i = 0; i < plane->format_count; i++) { 2425ead8610dSLaurent Pinchart if (format == plane->format_types[i]) 2426ead8610dSLaurent Pinchart return 0; 2427ead8610dSLaurent Pinchart } 2428ead8610dSLaurent Pinchart 2429ead8610dSLaurent Pinchart return -EINVAL; 2430ead8610dSLaurent Pinchart } 2431ead8610dSLaurent Pinchart 2432b36552b3SMatt Roper /* 2433b36552b3SMatt Roper * setplane_internal - setplane handler for internal callers 24348cf5c917SJesse Barnes * 2435b36552b3SMatt Roper * Note that we assume an extra reference has already been taken on fb. If the 2436b36552b3SMatt Roper * update fails, this reference will be dropped before return; if it succeeds, 2437b36552b3SMatt Roper * the previous framebuffer (if any) will be unreferenced instead. 2438c8e32cc1SDaniel Vetter * 2439b36552b3SMatt Roper * src_{x,y,w,h} are provided in 16.16 fixed point format 24408cf5c917SJesse Barnes */ 2441f2b50c11SDaniel Vetter static int __setplane_internal(struct drm_plane *plane, 244217cfd91fSChris Wilson struct drm_crtc *crtc, 2443b36552b3SMatt Roper struct drm_framebuffer *fb, 2444b36552b3SMatt Roper int32_t crtc_x, int32_t crtc_y, 2445b36552b3SMatt Roper uint32_t crtc_w, uint32_t crtc_h, 2446b36552b3SMatt Roper /* src_{x,y,w,h} values are 16.16 fixed point */ 2447b36552b3SMatt Roper uint32_t src_x, uint32_t src_y, 2448b36552b3SMatt Roper uint32_t src_w, uint32_t src_h) 24498cf5c917SJesse Barnes { 24508cf5c917SJesse Barnes int ret = 0; 245142ef8789SVille Syrjälä unsigned int fb_width, fb_height; 24528cf5c917SJesse Barnes 24538cf5c917SJesse Barnes /* No fb means shut it down */ 2454b36552b3SMatt Roper if (!fb) { 24553d30a59bSDaniel Vetter plane->old_fb = plane->fb; 2456731cce48SDaniel Vetter ret = plane->funcs->disable_plane(plane); 2457731cce48SDaniel Vetter if (!ret) { 2458e5e3b44cSVille Syrjälä plane->crtc = NULL; 2459e5e3b44cSVille Syrjälä plane->fb = NULL; 2460731cce48SDaniel Vetter } else { 24613d30a59bSDaniel Vetter plane->old_fb = NULL; 2462731cce48SDaniel Vetter } 24638cf5c917SJesse Barnes goto out; 24648cf5c917SJesse Barnes } 24658cf5c917SJesse Barnes 24667f994f3fSMatt Roper /* Check whether this plane is usable on this CRTC */ 24677f994f3fSMatt Roper if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { 24687f994f3fSMatt Roper DRM_DEBUG_KMS("Invalid crtc for plane\n"); 24697f994f3fSMatt Roper ret = -EINVAL; 24707f994f3fSMatt Roper goto out; 24717f994f3fSMatt Roper } 24727f994f3fSMatt Roper 247362443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 2474ead8610dSLaurent Pinchart ret = drm_plane_check_pixel_format(plane, fb->pixel_format); 2475ead8610dSLaurent Pinchart if (ret) { 24766ba6d03eSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s\n", 24776ba6d03eSVille Syrjälä drm_get_format_name(fb->pixel_format)); 247862443be6SVille Syrjälä goto out; 247962443be6SVille Syrjälä } 248062443be6SVille Syrjälä 248142ef8789SVille Syrjälä fb_width = fb->width << 16; 248242ef8789SVille Syrjälä fb_height = fb->height << 16; 248342ef8789SVille Syrjälä 248442ef8789SVille Syrjälä /* Make sure source coordinates are inside the fb. */ 2485b36552b3SMatt Roper if (src_w > fb_width || 2486b36552b3SMatt Roper src_x > fb_width - src_w || 2487b36552b3SMatt Roper src_h > fb_height || 2488b36552b3SMatt Roper src_y > fb_height - src_h) { 248942ef8789SVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 249042ef8789SVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 2491b36552b3SMatt Roper src_w >> 16, ((src_w & 0xffff) * 15625) >> 10, 2492b36552b3SMatt Roper src_h >> 16, ((src_h & 0xffff) * 15625) >> 10, 2493b36552b3SMatt Roper src_x >> 16, ((src_x & 0xffff) * 15625) >> 10, 2494b36552b3SMatt Roper src_y >> 16, ((src_y & 0xffff) * 15625) >> 10); 249542ef8789SVille Syrjälä ret = -ENOSPC; 249642ef8789SVille Syrjälä goto out; 249742ef8789SVille Syrjälä } 249842ef8789SVille Syrjälä 24993d30a59bSDaniel Vetter plane->old_fb = plane->fb; 25008cf5c917SJesse Barnes ret = plane->funcs->update_plane(plane, crtc, fb, 2501b36552b3SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2502b36552b3SMatt Roper src_x, src_y, src_w, src_h); 25038cf5c917SJesse Barnes if (!ret) { 25048cf5c917SJesse Barnes plane->crtc = crtc; 25058cf5c917SJesse Barnes plane->fb = fb; 250635f8badcSDaniel Vetter fb = NULL; 25070fe27f06SDaniel Vetter } else { 25083d30a59bSDaniel Vetter plane->old_fb = NULL; 25098cf5c917SJesse Barnes } 25108cf5c917SJesse Barnes 25118cf5c917SJesse Barnes out: 25126c2a7532SDaniel Vetter if (fb) 25136c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 25143d30a59bSDaniel Vetter if (plane->old_fb) 25153d30a59bSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 25163d30a59bSDaniel Vetter plane->old_fb = NULL; 25178cf5c917SJesse Barnes 25188cf5c917SJesse Barnes return ret; 2519f2b50c11SDaniel Vetter } 2520b36552b3SMatt Roper 2521f2b50c11SDaniel Vetter static int setplane_internal(struct drm_plane *plane, 2522f2b50c11SDaniel Vetter struct drm_crtc *crtc, 2523f2b50c11SDaniel Vetter struct drm_framebuffer *fb, 2524f2b50c11SDaniel Vetter int32_t crtc_x, int32_t crtc_y, 2525f2b50c11SDaniel Vetter uint32_t crtc_w, uint32_t crtc_h, 2526f2b50c11SDaniel Vetter /* src_{x,y,w,h} values are 16.16 fixed point */ 2527f2b50c11SDaniel Vetter uint32_t src_x, uint32_t src_y, 2528f2b50c11SDaniel Vetter uint32_t src_w, uint32_t src_h) 2529f2b50c11SDaniel Vetter { 2530f2b50c11SDaniel Vetter int ret; 2531f2b50c11SDaniel Vetter 2532f2b50c11SDaniel Vetter drm_modeset_lock_all(plane->dev); 2533f2b50c11SDaniel Vetter ret = __setplane_internal(plane, crtc, fb, 2534f2b50c11SDaniel Vetter crtc_x, crtc_y, crtc_w, crtc_h, 2535f2b50c11SDaniel Vetter src_x, src_y, src_w, src_h); 2536f2b50c11SDaniel Vetter drm_modeset_unlock_all(plane->dev); 2537f2b50c11SDaniel Vetter 2538f2b50c11SDaniel Vetter return ret; 2539b36552b3SMatt Roper } 2540b36552b3SMatt Roper 2541b36552b3SMatt Roper /** 2542b36552b3SMatt Roper * drm_mode_setplane - configure a plane's configuration 2543b36552b3SMatt Roper * @dev: DRM device 2544b36552b3SMatt Roper * @data: ioctl data* 2545b36552b3SMatt Roper * @file_priv: DRM file info 2546b36552b3SMatt Roper * 2547b36552b3SMatt Roper * Set plane configuration, including placement, fb, scaling, and other factors. 2548b36552b3SMatt Roper * Or pass a NULL fb to disable (planes may be disabled without providing a 2549b36552b3SMatt Roper * valid crtc). 2550b36552b3SMatt Roper * 2551b36552b3SMatt Roper * Returns: 25521a498633SDaniel Vetter * Zero on success, negative errno on failure. 2553b36552b3SMatt Roper */ 2554b36552b3SMatt Roper int drm_mode_setplane(struct drm_device *dev, void *data, 2555b36552b3SMatt Roper struct drm_file *file_priv) 2556b36552b3SMatt Roper { 2557b36552b3SMatt Roper struct drm_mode_set_plane *plane_req = data; 2558b36552b3SMatt Roper struct drm_plane *plane; 2559b36552b3SMatt Roper struct drm_crtc *crtc = NULL; 2560b36552b3SMatt Roper struct drm_framebuffer *fb = NULL; 2561b36552b3SMatt Roper 2562b36552b3SMatt Roper if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2563b36552b3SMatt Roper return -EINVAL; 2564b36552b3SMatt Roper 2565b36552b3SMatt Roper /* Give drivers some help against integer overflows */ 2566b36552b3SMatt Roper if (plane_req->crtc_w > INT_MAX || 2567b36552b3SMatt Roper plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || 2568b36552b3SMatt Roper plane_req->crtc_h > INT_MAX || 2569b36552b3SMatt Roper plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { 2570b36552b3SMatt Roper DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 2571b36552b3SMatt Roper plane_req->crtc_w, plane_req->crtc_h, 2572b36552b3SMatt Roper plane_req->crtc_x, plane_req->crtc_y); 2573b36552b3SMatt Roper return -ERANGE; 2574b36552b3SMatt Roper } 2575b36552b3SMatt Roper 2576b36552b3SMatt Roper /* 2577b36552b3SMatt Roper * First, find the plane, crtc, and fb objects. If not available, 2578b36552b3SMatt Roper * we don't bother to call the driver. 2579b36552b3SMatt Roper */ 2580933f622fSRob Clark plane = drm_plane_find(dev, plane_req->plane_id); 2581933f622fSRob Clark if (!plane) { 2582b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown plane ID %d\n", 2583b36552b3SMatt Roper plane_req->plane_id); 2584b36552b3SMatt Roper return -ENOENT; 2585b36552b3SMatt Roper } 2586b36552b3SMatt Roper 2587b36552b3SMatt Roper if (plane_req->fb_id) { 2588b36552b3SMatt Roper fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 2589b36552b3SMatt Roper if (!fb) { 2590b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 2591b36552b3SMatt Roper plane_req->fb_id); 2592b36552b3SMatt Roper return -ENOENT; 2593b36552b3SMatt Roper } 2594b36552b3SMatt Roper 2595933f622fSRob Clark crtc = drm_crtc_find(dev, plane_req->crtc_id); 2596933f622fSRob Clark if (!crtc) { 2597b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown crtc ID %d\n", 2598b36552b3SMatt Roper plane_req->crtc_id); 2599b36552b3SMatt Roper return -ENOENT; 2600b36552b3SMatt Roper } 2601b36552b3SMatt Roper } 2602b36552b3SMatt Roper 2603161d0dc1SMatt Roper /* 2604161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2605161d0dc1SMatt Roper * framebuffer depending on success. 2606161d0dc1SMatt Roper */ 260717cfd91fSChris Wilson return setplane_internal(plane, crtc, fb, 2608b36552b3SMatt Roper plane_req->crtc_x, plane_req->crtc_y, 2609b36552b3SMatt Roper plane_req->crtc_w, plane_req->crtc_h, 2610b36552b3SMatt Roper plane_req->src_x, plane_req->src_y, 2611b36552b3SMatt Roper plane_req->src_w, plane_req->src_h); 26128cf5c917SJesse Barnes } 26138cf5c917SJesse Barnes 26148cf5c917SJesse Barnes /** 26152d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 26162d13b679SDaniel Vetter * @set: modeset config to set 26172d13b679SDaniel Vetter * 26182d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 26192d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 2620c8e32cc1SDaniel Vetter * 2621c8e32cc1SDaniel Vetter * Returns: 26221a498633SDaniel Vetter * Zero on success, negative errno on failure. 26232d13b679SDaniel Vetter */ 26242d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 26252d13b679SDaniel Vetter { 26262d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 26275cef29aaSDaniel Vetter struct drm_framebuffer *fb; 26285cef29aaSDaniel Vetter struct drm_crtc *tmp; 2629b0d12325SDaniel Vetter int ret; 26302d13b679SDaniel Vetter 26315cef29aaSDaniel Vetter /* 26325cef29aaSDaniel Vetter * NOTE: ->set_config can also disable other crtcs (if we steal all 26335cef29aaSDaniel Vetter * connectors from it), hence we need to refcount the fbs across all 26345cef29aaSDaniel Vetter * crtcs. Atomic modeset will have saner semantics ... 26355cef29aaSDaniel Vetter */ 26365cef29aaSDaniel Vetter list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) 26373d30a59bSDaniel Vetter tmp->primary->old_fb = tmp->primary->fb; 26385cef29aaSDaniel Vetter 2639b0d12325SDaniel Vetter fb = set->fb; 2640b0d12325SDaniel Vetter 2641b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 2642b0d12325SDaniel Vetter if (ret == 0) { 2643e13161afSMatt Roper crtc->primary->crtc = crtc; 26440fe27f06SDaniel Vetter crtc->primary->fb = fb; 26455cef29aaSDaniel Vetter } 2646cc85e121SDaniel Vetter 26475cef29aaSDaniel Vetter list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { 2648f4510a27SMatt Roper if (tmp->primary->fb) 2649f4510a27SMatt Roper drm_framebuffer_reference(tmp->primary->fb); 26503d30a59bSDaniel Vetter if (tmp->primary->old_fb) 26513d30a59bSDaniel Vetter drm_framebuffer_unreference(tmp->primary->old_fb); 26523d30a59bSDaniel Vetter tmp->primary->old_fb = NULL; 2653b0d12325SDaniel Vetter } 2654b0d12325SDaniel Vetter 2655b0d12325SDaniel Vetter return ret; 26562d13b679SDaniel Vetter } 26572d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 26582d13b679SDaniel Vetter 2659af93629dSMatt Roper /** 2660ecb7e16bSGustavo Padovan * drm_crtc_get_hv_timing - Fetches hdisplay/vdisplay for given mode 2661ecb7e16bSGustavo Padovan * @mode: mode to query 2662ecb7e16bSGustavo Padovan * @hdisplay: hdisplay value to fill in 2663ecb7e16bSGustavo Padovan * @vdisplay: vdisplay value to fill in 2664ecb7e16bSGustavo Padovan * 2665ecb7e16bSGustavo Padovan * The vdisplay value will be doubled if the specified mode is a stereo mode of 2666ecb7e16bSGustavo Padovan * the appropriate layout. 2667ecb7e16bSGustavo Padovan */ 2668ecb7e16bSGustavo Padovan void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, 2669ecb7e16bSGustavo Padovan int *hdisplay, int *vdisplay) 2670ecb7e16bSGustavo Padovan { 2671ecb7e16bSGustavo Padovan struct drm_display_mode adjusted; 2672ecb7e16bSGustavo Padovan 2673ecb7e16bSGustavo Padovan drm_mode_copy(&adjusted, mode); 2674ecb7e16bSGustavo Padovan drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY); 2675ecb7e16bSGustavo Padovan *hdisplay = adjusted.crtc_hdisplay; 2676ecb7e16bSGustavo Padovan *vdisplay = adjusted.crtc_vdisplay; 2677ecb7e16bSGustavo Padovan } 2678ecb7e16bSGustavo Padovan EXPORT_SYMBOL(drm_crtc_get_hv_timing); 2679ecb7e16bSGustavo Padovan 2680ecb7e16bSGustavo Padovan /** 2681af93629dSMatt Roper * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the 2682af93629dSMatt Roper * CRTC viewport 2683af93629dSMatt Roper * @crtc: CRTC that framebuffer will be displayed on 2684af93629dSMatt Roper * @x: x panning 2685af93629dSMatt Roper * @y: y panning 2686af93629dSMatt Roper * @mode: mode that framebuffer will be displayed under 2687af93629dSMatt Roper * @fb: framebuffer to check size of 2688c11e9283SDamien Lespiau */ 2689af93629dSMatt Roper int drm_crtc_check_viewport(const struct drm_crtc *crtc, 2690c11e9283SDamien Lespiau int x, int y, 2691c11e9283SDamien Lespiau const struct drm_display_mode *mode, 2692c11e9283SDamien Lespiau const struct drm_framebuffer *fb) 2693c11e9283SDamien Lespiau 2694c11e9283SDamien Lespiau { 2695c11e9283SDamien Lespiau int hdisplay, vdisplay; 2696c11e9283SDamien Lespiau 2697ecb7e16bSGustavo Padovan drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); 2698a0c1bbb0SDamien Lespiau 2699c11e9283SDamien Lespiau if (crtc->invert_dimensions) 2700c11e9283SDamien Lespiau swap(hdisplay, vdisplay); 2701c11e9283SDamien Lespiau 2702c11e9283SDamien Lespiau if (hdisplay > fb->width || 2703c11e9283SDamien Lespiau vdisplay > fb->height || 2704c11e9283SDamien Lespiau x > fb->width - hdisplay || 2705c11e9283SDamien Lespiau y > fb->height - vdisplay) { 2706c11e9283SDamien Lespiau DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 2707c11e9283SDamien Lespiau fb->width, fb->height, hdisplay, vdisplay, x, y, 2708c11e9283SDamien Lespiau crtc->invert_dimensions ? " (inverted)" : ""); 2709c11e9283SDamien Lespiau return -ENOSPC; 2710c11e9283SDamien Lespiau } 2711c11e9283SDamien Lespiau 2712c11e9283SDamien Lespiau return 0; 2713c11e9283SDamien Lespiau } 2714af93629dSMatt Roper EXPORT_SYMBOL(drm_crtc_check_viewport); 2715c11e9283SDamien Lespiau 27162d13b679SDaniel Vetter /** 2717f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 2718065a50edSDaniel Vetter * @dev: drm device for the ioctl 2719065a50edSDaniel Vetter * @data: data pointer for the ioctl 2720065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2721f453ba04SDave Airlie * 2722f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 2723f453ba04SDave Airlie * 2724f453ba04SDave Airlie * Called by the user via ioctl. 2725f453ba04SDave Airlie * 2726c8e32cc1SDaniel Vetter * Returns: 27271a498633SDaniel Vetter * Zero on success, negative errno on failure. 2728f453ba04SDave Airlie */ 2729f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 2730f453ba04SDave Airlie struct drm_file *file_priv) 2731f453ba04SDave Airlie { 2732f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2733f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 27346653cc8dSVille Syrjälä struct drm_crtc *crtc; 2735f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 2736f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2737f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 2738f453ba04SDave Airlie struct drm_mode_set set; 2739f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 27404a1b0714SLaurent Pinchart int ret; 2741f453ba04SDave Airlie int i; 2742f453ba04SDave Airlie 2743fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2744fb3b06c8SDave Airlie return -EINVAL; 2745fb3b06c8SDave Airlie 27461d97e915SVille Syrjälä /* For some reason crtc x/y offsets are signed internally. */ 27471d97e915SVille Syrjälä if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 27481d97e915SVille Syrjälä return -ERANGE; 27491d97e915SVille Syrjälä 275084849903SDaniel Vetter drm_modeset_lock_all(dev); 2751a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_req->crtc_id); 2752a2b34e22SRob Clark if (!crtc) { 275358367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 2754f27657f2SVille Syrjälä ret = -ENOENT; 2755f453ba04SDave Airlie goto out; 2756f453ba04SDave Airlie } 27579440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 2758f453ba04SDave Airlie 2759f453ba04SDave Airlie if (crtc_req->mode_valid) { 2760f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 2761f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 2762f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 2763f4510a27SMatt Roper if (!crtc->primary->fb) { 27646653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 27656653cc8dSVille Syrjälä ret = -EINVAL; 27666653cc8dSVille Syrjälä goto out; 27676653cc8dSVille Syrjälä } 2768f4510a27SMatt Roper fb = crtc->primary->fb; 2769b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 2770b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 2771f453ba04SDave Airlie } else { 2772786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 2773786b99edSDaniel Vetter if (!fb) { 277458367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 277558367ed6SZhao Yakui crtc_req->fb_id); 277637c4e705SVille Syrjälä ret = -ENOENT; 2777f453ba04SDave Airlie goto out; 2778f453ba04SDave Airlie } 2779f453ba04SDave Airlie } 2780f453ba04SDave Airlie 2781f453ba04SDave Airlie mode = drm_mode_create(dev); 2782ee34ab5bSVille Syrjälä if (!mode) { 2783ee34ab5bSVille Syrjälä ret = -ENOMEM; 2784ee34ab5bSVille Syrjälä goto out; 2785ee34ab5bSVille Syrjälä } 2786ee34ab5bSVille Syrjälä 278790367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 278890367bf6SVille Syrjälä if (ret) { 278990367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 279090367bf6SVille Syrjälä goto out; 279190367bf6SVille Syrjälä } 279290367bf6SVille Syrjälä 279323e1ce89SVille Syrjälä mode->status = drm_mode_validate_basic(mode); 279423e1ce89SVille Syrjälä if (mode->status != MODE_OK) { 279523e1ce89SVille Syrjälä ret = -EINVAL; 279623e1ce89SVille Syrjälä goto out; 279723e1ce89SVille Syrjälä } 279823e1ce89SVille Syrjälä 2799f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 28005f61bb42SVille Syrjälä 28017eb5f302SLaurent Pinchart /* 28027eb5f302SLaurent Pinchart * Check whether the primary plane supports the fb pixel format. 28037eb5f302SLaurent Pinchart * Drivers not implementing the universal planes API use a 28047eb5f302SLaurent Pinchart * default formats list provided by the DRM core which doesn't 28057eb5f302SLaurent Pinchart * match real hardware capabilities. Skip the check in that 28067eb5f302SLaurent Pinchart * case. 28077eb5f302SLaurent Pinchart */ 28087eb5f302SLaurent Pinchart if (!crtc->primary->format_default) { 28097eb5f302SLaurent Pinchart ret = drm_plane_check_pixel_format(crtc->primary, 28107eb5f302SLaurent Pinchart fb->pixel_format); 28117eb5f302SLaurent Pinchart if (ret) { 28127eb5f302SLaurent Pinchart DRM_DEBUG_KMS("Invalid pixel format %s\n", 28137eb5f302SLaurent Pinchart drm_get_format_name(fb->pixel_format)); 28147eb5f302SLaurent Pinchart goto out; 28157eb5f302SLaurent Pinchart } 28167eb5f302SLaurent Pinchart } 28177eb5f302SLaurent Pinchart 2818c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, 2819c11e9283SDamien Lespiau mode, fb); 2820c11e9283SDamien Lespiau if (ret) 28215f61bb42SVille Syrjälä goto out; 2822c11e9283SDamien Lespiau 2823f453ba04SDave Airlie } 2824f453ba04SDave Airlie 2825f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 282658367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2827f453ba04SDave Airlie ret = -EINVAL; 2828f453ba04SDave Airlie goto out; 2829f453ba04SDave Airlie } 2830f453ba04SDave Airlie 28317781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 283258367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2833f453ba04SDave Airlie crtc_req->count_connectors); 2834f453ba04SDave Airlie ret = -EINVAL; 2835f453ba04SDave Airlie goto out; 2836f453ba04SDave Airlie } 2837f453ba04SDave Airlie 2838f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2839f453ba04SDave Airlie u32 out_id; 2840f453ba04SDave Airlie 2841f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2842f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2843f453ba04SDave Airlie ret = -EINVAL; 2844f453ba04SDave Airlie goto out; 2845f453ba04SDave Airlie } 2846f453ba04SDave Airlie 28472f6c5389SThierry Reding connector_set = kmalloc_array(crtc_req->count_connectors, 2848f453ba04SDave Airlie sizeof(struct drm_connector *), 2849f453ba04SDave Airlie GFP_KERNEL); 2850f453ba04SDave Airlie if (!connector_set) { 2851f453ba04SDave Airlie ret = -ENOMEM; 2852f453ba04SDave Airlie goto out; 2853f453ba04SDave Airlie } 2854f453ba04SDave Airlie 2855f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 285681f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2857f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2858f453ba04SDave Airlie ret = -EFAULT; 2859f453ba04SDave Airlie goto out; 2860f453ba04SDave Airlie } 2861f453ba04SDave Airlie 2862a2b34e22SRob Clark connector = drm_connector_find(dev, out_id); 2863a2b34e22SRob Clark if (!connector) { 286458367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 286558367ed6SZhao Yakui out_id); 2866f27657f2SVille Syrjälä ret = -ENOENT; 2867f453ba04SDave Airlie goto out; 2868f453ba04SDave Airlie } 28699440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 28709440106bSJerome Glisse connector->base.id, 287125933820SJani Nikula connector->name); 2872f453ba04SDave Airlie 2873f453ba04SDave Airlie connector_set[i] = connector; 2874f453ba04SDave Airlie } 2875f453ba04SDave Airlie } 2876f453ba04SDave Airlie 2877f453ba04SDave Airlie set.crtc = crtc; 2878f453ba04SDave Airlie set.x = crtc_req->x; 2879f453ba04SDave Airlie set.y = crtc_req->y; 2880f453ba04SDave Airlie set.mode = mode; 2881f453ba04SDave Airlie set.connectors = connector_set; 2882f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2883f453ba04SDave Airlie set.fb = fb; 28842d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2885f453ba04SDave Airlie 2886f453ba04SDave Airlie out: 2887b0d12325SDaniel Vetter if (fb) 2888b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2889b0d12325SDaniel Vetter 2890f453ba04SDave Airlie kfree(connector_set); 2891ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 289284849903SDaniel Vetter drm_modeset_unlock_all(dev); 2893f453ba04SDave Airlie return ret; 2894f453ba04SDave Airlie } 2895f453ba04SDave Airlie 2896161d0dc1SMatt Roper /** 2897161d0dc1SMatt Roper * drm_mode_cursor_universal - translate legacy cursor ioctl call into a 2898161d0dc1SMatt Roper * universal plane handler call 2899161d0dc1SMatt Roper * @crtc: crtc to update cursor for 2900161d0dc1SMatt Roper * @req: data pointer for the ioctl 2901161d0dc1SMatt Roper * @file_priv: drm file for the ioctl call 2902161d0dc1SMatt Roper * 2903161d0dc1SMatt Roper * Legacy cursor ioctl's work directly with driver buffer handles. To 2904161d0dc1SMatt Roper * translate legacy ioctl calls into universal plane handler calls, we need to 2905161d0dc1SMatt Roper * wrap the native buffer handle in a drm_framebuffer. 2906161d0dc1SMatt Roper * 2907161d0dc1SMatt Roper * Note that we assume any handle passed to the legacy ioctls was a 32-bit ARGB 2908161d0dc1SMatt Roper * buffer with a pitch of 4*width; the universal plane interface should be used 2909161d0dc1SMatt Roper * directly in cases where the hardware can support other buffer settings and 2910161d0dc1SMatt Roper * userspace wants to make use of these capabilities. 2911161d0dc1SMatt Roper * 2912161d0dc1SMatt Roper * Returns: 29131a498633SDaniel Vetter * Zero on success, negative errno on failure. 2914161d0dc1SMatt Roper */ 2915161d0dc1SMatt Roper static int drm_mode_cursor_universal(struct drm_crtc *crtc, 2916161d0dc1SMatt Roper struct drm_mode_cursor2 *req, 2917161d0dc1SMatt Roper struct drm_file *file_priv) 2918161d0dc1SMatt Roper { 2919161d0dc1SMatt Roper struct drm_device *dev = crtc->dev; 2920161d0dc1SMatt Roper struct drm_framebuffer *fb = NULL; 2921161d0dc1SMatt Roper struct drm_mode_fb_cmd2 fbreq = { 2922161d0dc1SMatt Roper .width = req->width, 2923161d0dc1SMatt Roper .height = req->height, 2924161d0dc1SMatt Roper .pixel_format = DRM_FORMAT_ARGB8888, 2925161d0dc1SMatt Roper .pitches = { req->width * 4 }, 2926161d0dc1SMatt Roper .handles = { req->handle }, 2927161d0dc1SMatt Roper }; 2928161d0dc1SMatt Roper int32_t crtc_x, crtc_y; 2929161d0dc1SMatt Roper uint32_t crtc_w = 0, crtc_h = 0; 2930161d0dc1SMatt Roper uint32_t src_w = 0, src_h = 0; 2931161d0dc1SMatt Roper int ret = 0; 2932161d0dc1SMatt Roper 2933161d0dc1SMatt Roper BUG_ON(!crtc->cursor); 2934f2b50c11SDaniel Vetter WARN_ON(crtc->cursor->crtc != crtc && crtc->cursor->crtc != NULL); 2935161d0dc1SMatt Roper 2936161d0dc1SMatt Roper /* 2937161d0dc1SMatt Roper * Obtain fb we'll be using (either new or existing) and take an extra 2938161d0dc1SMatt Roper * reference to it if fb != null. setplane will take care of dropping 2939161d0dc1SMatt Roper * the reference if the plane update fails. 2940161d0dc1SMatt Roper */ 2941161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_BO) { 2942161d0dc1SMatt Roper if (req->handle) { 2943161d0dc1SMatt Roper fb = add_framebuffer_internal(dev, &fbreq, file_priv); 2944161d0dc1SMatt Roper if (IS_ERR(fb)) { 2945161d0dc1SMatt Roper DRM_DEBUG_KMS("failed to wrap cursor buffer in drm framebuffer\n"); 2946161d0dc1SMatt Roper return PTR_ERR(fb); 2947161d0dc1SMatt Roper } 2948161d0dc1SMatt Roper 2949161d0dc1SMatt Roper drm_framebuffer_reference(fb); 2950161d0dc1SMatt Roper } else { 2951161d0dc1SMatt Roper fb = NULL; 2952161d0dc1SMatt Roper } 2953161d0dc1SMatt Roper } else { 2954161d0dc1SMatt Roper fb = crtc->cursor->fb; 2955161d0dc1SMatt Roper if (fb) 2956161d0dc1SMatt Roper drm_framebuffer_reference(fb); 2957161d0dc1SMatt Roper } 2958161d0dc1SMatt Roper 2959161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_MOVE) { 2960161d0dc1SMatt Roper crtc_x = req->x; 2961161d0dc1SMatt Roper crtc_y = req->y; 2962161d0dc1SMatt Roper } else { 2963161d0dc1SMatt Roper crtc_x = crtc->cursor_x; 2964161d0dc1SMatt Roper crtc_y = crtc->cursor_y; 2965161d0dc1SMatt Roper } 2966161d0dc1SMatt Roper 2967161d0dc1SMatt Roper if (fb) { 2968161d0dc1SMatt Roper crtc_w = fb->width; 2969161d0dc1SMatt Roper crtc_h = fb->height; 2970161d0dc1SMatt Roper src_w = fb->width << 16; 2971161d0dc1SMatt Roper src_h = fb->height << 16; 2972161d0dc1SMatt Roper } 2973161d0dc1SMatt Roper 2974161d0dc1SMatt Roper /* 2975161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2976161d0dc1SMatt Roper * framebuffer depending on success. 2977161d0dc1SMatt Roper */ 2978f2b50c11SDaniel Vetter ret = __setplane_internal(crtc->cursor, crtc, fb, 2979161d0dc1SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2980161d0dc1SMatt Roper 0, 0, src_w, src_h); 2981161d0dc1SMatt Roper 2982161d0dc1SMatt Roper /* Update successful; save new cursor position, if necessary */ 2983161d0dc1SMatt Roper if (ret == 0 && req->flags & DRM_MODE_CURSOR_MOVE) { 2984161d0dc1SMatt Roper crtc->cursor_x = req->x; 2985161d0dc1SMatt Roper crtc->cursor_y = req->y; 2986161d0dc1SMatt Roper } 2987161d0dc1SMatt Roper 2988161d0dc1SMatt Roper return ret; 2989161d0dc1SMatt Roper } 2990161d0dc1SMatt Roper 29914c813d4dSDave Airlie static int drm_mode_cursor_common(struct drm_device *dev, 29924c813d4dSDave Airlie struct drm_mode_cursor2 *req, 29934c813d4dSDave Airlie struct drm_file *file_priv) 2994f453ba04SDave Airlie { 2995f453ba04SDave Airlie struct drm_crtc *crtc; 2996f453ba04SDave Airlie int ret = 0; 2997f453ba04SDave Airlie 2998fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2999fb3b06c8SDave Airlie return -EINVAL; 3000fb3b06c8SDave Airlie 30017c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 3002f453ba04SDave Airlie return -EINVAL; 3003f453ba04SDave Airlie 3004a2b34e22SRob Clark crtc = drm_crtc_find(dev, req->crtc_id); 3005a2b34e22SRob Clark if (!crtc) { 300658367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 3007f27657f2SVille Syrjälä return -ENOENT; 3008f453ba04SDave Airlie } 3009f453ba04SDave Airlie 3010161d0dc1SMatt Roper /* 3011161d0dc1SMatt Roper * If this crtc has a universal cursor plane, call that plane's update 3012161d0dc1SMatt Roper * handler rather than using legacy cursor handlers. 3013161d0dc1SMatt Roper */ 30144d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->cursor); 3015f2b50c11SDaniel Vetter if (crtc->cursor) { 3016f2b50c11SDaniel Vetter ret = drm_mode_cursor_universal(crtc, req, file_priv); 3017f2b50c11SDaniel Vetter goto out; 3018f2b50c11SDaniel Vetter } 3019f2b50c11SDaniel Vetter 3020f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 30214c813d4dSDave Airlie if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { 3022f453ba04SDave Airlie ret = -ENXIO; 3023f453ba04SDave Airlie goto out; 3024f453ba04SDave Airlie } 3025f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 30264c813d4dSDave Airlie if (crtc->funcs->cursor_set2) 30274c813d4dSDave Airlie ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, 30284c813d4dSDave Airlie req->width, req->height, req->hot_x, req->hot_y); 30294c813d4dSDave Airlie else 3030f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 3031f453ba04SDave Airlie req->width, req->height); 3032f453ba04SDave Airlie } 3033f453ba04SDave Airlie 3034f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 3035f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 3036f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 3037f453ba04SDave Airlie } else { 3038f453ba04SDave Airlie ret = -EFAULT; 3039f453ba04SDave Airlie goto out; 3040f453ba04SDave Airlie } 3041f453ba04SDave Airlie } 3042f453ba04SDave Airlie out: 3043d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 3044dac35663SDaniel Vetter 3045f453ba04SDave Airlie return ret; 30464c813d4dSDave Airlie 30474c813d4dSDave Airlie } 3048c8e32cc1SDaniel Vetter 3049c8e32cc1SDaniel Vetter 3050c8e32cc1SDaniel Vetter /** 3051c8e32cc1SDaniel Vetter * drm_mode_cursor_ioctl - set CRTC's cursor configuration 3052c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3053c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3054c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3055c8e32cc1SDaniel Vetter * 3056c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. 3057c8e32cc1SDaniel Vetter * 3058c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3059c8e32cc1SDaniel Vetter * 3060c8e32cc1SDaniel Vetter * Returns: 30611a498633SDaniel Vetter * Zero on success, negative errno on failure. 3062c8e32cc1SDaniel Vetter */ 30634c813d4dSDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 30644c813d4dSDave Airlie void *data, struct drm_file *file_priv) 30654c813d4dSDave Airlie { 30664c813d4dSDave Airlie struct drm_mode_cursor *req = data; 30674c813d4dSDave Airlie struct drm_mode_cursor2 new_req; 30684c813d4dSDave Airlie 30694c813d4dSDave Airlie memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); 30704c813d4dSDave Airlie new_req.hot_x = new_req.hot_y = 0; 30714c813d4dSDave Airlie 30724c813d4dSDave Airlie return drm_mode_cursor_common(dev, &new_req, file_priv); 30734c813d4dSDave Airlie } 30744c813d4dSDave Airlie 3075c8e32cc1SDaniel Vetter /** 3076c8e32cc1SDaniel Vetter * drm_mode_cursor2_ioctl - set CRTC's cursor configuration 3077c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3078c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3079c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3080c8e32cc1SDaniel Vetter * 3081c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. This implements the 2nd 3082c8e32cc1SDaniel Vetter * version of the cursor ioctl, which allows userspace to additionally specify 3083c8e32cc1SDaniel Vetter * the hotspot of the pointer. 3084c8e32cc1SDaniel Vetter * 3085c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3086c8e32cc1SDaniel Vetter * 3087c8e32cc1SDaniel Vetter * Returns: 30881a498633SDaniel Vetter * Zero on success, negative errno on failure. 3089c8e32cc1SDaniel Vetter */ 30904c813d4dSDave Airlie int drm_mode_cursor2_ioctl(struct drm_device *dev, 30914c813d4dSDave Airlie void *data, struct drm_file *file_priv) 30924c813d4dSDave Airlie { 30934c813d4dSDave Airlie struct drm_mode_cursor2 *req = data; 30944dfd909fSThierry Reding 30954c813d4dSDave Airlie return drm_mode_cursor_common(dev, req, file_priv); 3096f453ba04SDave Airlie } 3097f453ba04SDave Airlie 3098c8e32cc1SDaniel Vetter /** 3099c8e32cc1SDaniel Vetter * drm_mode_legacy_fb_format - compute drm fourcc code from legacy description 3100c8e32cc1SDaniel Vetter * @bpp: bits per pixels 3101c8e32cc1SDaniel Vetter * @depth: bit depth per pixel 3102c8e32cc1SDaniel Vetter * 3103c8e32cc1SDaniel Vetter * Computes a drm fourcc pixel format code for the given @bpp/@depth values. 3104c8e32cc1SDaniel Vetter * Useful in fbdev emulation code, since that deals in those values. 3105c8e32cc1SDaniel Vetter */ 3106308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 3107308e5bcbSJesse Barnes { 3108308e5bcbSJesse Barnes uint32_t fmt; 3109308e5bcbSJesse Barnes 3110308e5bcbSJesse Barnes switch (bpp) { 3111308e5bcbSJesse Barnes case 8: 3112d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 3113308e5bcbSJesse Barnes break; 3114308e5bcbSJesse Barnes case 16: 3115308e5bcbSJesse Barnes if (depth == 15) 311604b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 3117308e5bcbSJesse Barnes else 311804b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 3119308e5bcbSJesse Barnes break; 3120308e5bcbSJesse Barnes case 24: 312104b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 3122308e5bcbSJesse Barnes break; 3123308e5bcbSJesse Barnes case 32: 3124308e5bcbSJesse Barnes if (depth == 24) 312504b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 3126308e5bcbSJesse Barnes else if (depth == 30) 312704b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 3128308e5bcbSJesse Barnes else 312904b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 3130308e5bcbSJesse Barnes break; 3131308e5bcbSJesse Barnes default: 313204b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 313304b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 3134308e5bcbSJesse Barnes break; 3135308e5bcbSJesse Barnes } 3136308e5bcbSJesse Barnes 3137308e5bcbSJesse Barnes return fmt; 3138308e5bcbSJesse Barnes } 3139308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 3140308e5bcbSJesse Barnes 3141f453ba04SDave Airlie /** 3142f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 3143065a50edSDaniel Vetter * @dev: drm device for the ioctl 3144065a50edSDaniel Vetter * @data: data pointer for the ioctl 3145065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3146f453ba04SDave Airlie * 3147c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request. This is the 3148209f5527SChuck Ebbert * original addfb ioctl which only supported RGB formats. 3149f453ba04SDave Airlie * 3150f453ba04SDave Airlie * Called by the user via ioctl. 3151f453ba04SDave Airlie * 3152c8e32cc1SDaniel Vetter * Returns: 31531a498633SDaniel Vetter * Zero on success, negative errno on failure. 3154f453ba04SDave Airlie */ 3155f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 3156f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3157f453ba04SDave Airlie { 3158308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 3159308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 3160228f2cb3SChuck Ebbert int ret; 3161308e5bcbSJesse Barnes 3162228f2cb3SChuck Ebbert /* convert to new format and call new ioctl */ 3163308e5bcbSJesse Barnes r.fb_id = or->fb_id; 3164308e5bcbSJesse Barnes r.width = or->width; 3165308e5bcbSJesse Barnes r.height = or->height; 3166308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 3167308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 3168308e5bcbSJesse Barnes r.handles[0] = or->handle; 3169308e5bcbSJesse Barnes 3170228f2cb3SChuck Ebbert ret = drm_mode_addfb2(dev, &r, file_priv); 3171228f2cb3SChuck Ebbert if (ret) 3172228f2cb3SChuck Ebbert return ret; 3173308e5bcbSJesse Barnes 3174228f2cb3SChuck Ebbert or->fb_id = r.fb_id; 31754b096ac1SDaniel Vetter 3176baf698b0SDaniel Vetter return 0; 3177308e5bcbSJesse Barnes } 3178308e5bcbSJesse Barnes 3179cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 3180935b5977SVille Syrjälä { 3181935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 3182935b5977SVille Syrjälä 3183935b5977SVille Syrjälä switch (format) { 3184935b5977SVille Syrjälä case DRM_FORMAT_C8: 3185935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 3186935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 3187935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 3188935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 3189935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 3190935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 3191935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 3192935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 3193935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 3194935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 3195935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 3196935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 3197935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 3198935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 3199935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 3200935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 3201935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 3202935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 3203935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 3204935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 3205935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 3206935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 3207935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 3208935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 3209935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 3210935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 3211935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 3212935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 3213935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 3214935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 3215935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 3216935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 3217935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 3218935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 3219935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 3220935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 3221935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 3222935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 3223935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 3224935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 3225935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 3226935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 3227935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 3228935b5977SVille Syrjälä case DRM_FORMAT_NV12: 3229935b5977SVille Syrjälä case DRM_FORMAT_NV21: 3230935b5977SVille Syrjälä case DRM_FORMAT_NV16: 3231935b5977SVille Syrjälä case DRM_FORMAT_NV61: 3232ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3233ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3234935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 3235935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 3236935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 3237935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 3238935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 3239935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 3240935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 3241935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 3242935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 3243935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 3244935b5977SVille Syrjälä return 0; 3245935b5977SVille Syrjälä default: 324623c453a4SVille Syrjälä DRM_DEBUG_KMS("invalid pixel format %s\n", 324723c453a4SVille Syrjälä drm_get_format_name(r->pixel_format)); 3248935b5977SVille Syrjälä return -EINVAL; 3249935b5977SVille Syrjälä } 3250935b5977SVille Syrjälä } 3251935b5977SVille Syrjälä 3252cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 3253d1b45d5fSVille Syrjälä { 3254d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 3255d1b45d5fSVille Syrjälä 3256d1b45d5fSVille Syrjälä ret = format_check(r); 3257d1b45d5fSVille Syrjälä if (ret) { 32586ba6d03eSVille Syrjälä DRM_DEBUG_KMS("bad framebuffer format %s\n", 32596ba6d03eSVille Syrjälä drm_get_format_name(r->pixel_format)); 3260d1b45d5fSVille Syrjälä return ret; 3261d1b45d5fSVille Syrjälä } 3262d1b45d5fSVille Syrjälä 3263d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 3264d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 3265d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 3266d1b45d5fSVille Syrjälä 3267d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 3268209f5527SChuck Ebbert DRM_DEBUG_KMS("bad framebuffer width %u\n", r->width); 3269d1b45d5fSVille Syrjälä return -EINVAL; 3270d1b45d5fSVille Syrjälä } 3271d1b45d5fSVille Syrjälä 3272d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 32731aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 3274d1b45d5fSVille Syrjälä return -EINVAL; 3275d1b45d5fSVille Syrjälä } 3276d1b45d5fSVille Syrjälä 3277d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 3278d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 3279b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 3280b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 3281d1b45d5fSVille Syrjälä 3282d1b45d5fSVille Syrjälä if (!r->handles[i]) { 32831aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 3284d1b45d5fSVille Syrjälä return -EINVAL; 3285d1b45d5fSVille Syrjälä } 3286d1b45d5fSVille Syrjälä 3287b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 3288b180b5d1SVille Syrjälä return -ERANGE; 3289b180b5d1SVille Syrjälä 3290b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 3291b180b5d1SVille Syrjälä return -ERANGE; 3292b180b5d1SVille Syrjälä 3293b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 32941aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 3295d1b45d5fSVille Syrjälä return -EINVAL; 3296d1b45d5fSVille Syrjälä } 3297e3eb3250SRob Clark 3298e3eb3250SRob Clark if (r->modifier[i] && !(r->flags & DRM_MODE_FB_MODIFIERS)) { 3299e3eb3250SRob Clark DRM_DEBUG_KMS("bad fb modifier %llu for plane %d\n", 3300e3eb3250SRob Clark r->modifier[i], i); 3301e3eb3250SRob Clark return -EINVAL; 3302e3eb3250SRob Clark } 3303d1b45d5fSVille Syrjälä } 3304d1b45d5fSVille Syrjälä 3305d1b45d5fSVille Syrjälä return 0; 3306d1b45d5fSVille Syrjälä } 3307d1b45d5fSVille Syrjälä 3308c394c2b0SMatt Roper static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev, 3309c394c2b0SMatt Roper struct drm_mode_fb_cmd2 *r, 3310c394c2b0SMatt Roper struct drm_file *file_priv) 3311c394c2b0SMatt Roper { 3312c394c2b0SMatt Roper struct drm_mode_config *config = &dev->mode_config; 3313c394c2b0SMatt Roper struct drm_framebuffer *fb; 3314c394c2b0SMatt Roper int ret; 3315c394c2b0SMatt Roper 3316e3eb3250SRob Clark if (r->flags & ~(DRM_MODE_FB_INTERLACED | DRM_MODE_FB_MODIFIERS)) { 3317c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 3318c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3319c394c2b0SMatt Roper } 3320c394c2b0SMatt Roper 3321c394c2b0SMatt Roper if ((config->min_width > r->width) || (r->width > config->max_width)) { 3322c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 3323c394c2b0SMatt Roper r->width, config->min_width, config->max_width); 3324c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3325c394c2b0SMatt Roper } 3326c394c2b0SMatt Roper if ((config->min_height > r->height) || (r->height > config->max_height)) { 3327c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 3328c394c2b0SMatt Roper r->height, config->min_height, config->max_height); 3329c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3330c394c2b0SMatt Roper } 3331c394c2b0SMatt Roper 3332e3eb3250SRob Clark if (r->flags & DRM_MODE_FB_MODIFIERS && 3333e3eb3250SRob Clark !dev->mode_config.allow_fb_modifiers) { 3334e3eb3250SRob Clark DRM_DEBUG_KMS("driver does not support fb modifiers\n"); 3335e3eb3250SRob Clark return ERR_PTR(-EINVAL); 3336e3eb3250SRob Clark } 3337e3eb3250SRob Clark 3338c394c2b0SMatt Roper ret = framebuffer_check(r); 3339c394c2b0SMatt Roper if (ret) 3340c394c2b0SMatt Roper return ERR_PTR(ret); 3341c394c2b0SMatt Roper 3342c394c2b0SMatt Roper fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 3343c394c2b0SMatt Roper if (IS_ERR(fb)) { 3344c394c2b0SMatt Roper DRM_DEBUG_KMS("could not create framebuffer\n"); 3345c394c2b0SMatt Roper return fb; 3346c394c2b0SMatt Roper } 3347c394c2b0SMatt Roper 3348c394c2b0SMatt Roper mutex_lock(&file_priv->fbs_lock); 3349c394c2b0SMatt Roper r->fb_id = fb->base.id; 3350c394c2b0SMatt Roper list_add(&fb->filp_head, &file_priv->fbs); 3351c394c2b0SMatt Roper DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 3352c394c2b0SMatt Roper mutex_unlock(&file_priv->fbs_lock); 3353c394c2b0SMatt Roper 3354c394c2b0SMatt Roper return fb; 3355c394c2b0SMatt Roper } 3356c394c2b0SMatt Roper 3357308e5bcbSJesse Barnes /** 3358308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 3359065a50edSDaniel Vetter * @dev: drm device for the ioctl 3360065a50edSDaniel Vetter * @data: data pointer for the ioctl 3361065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3362308e5bcbSJesse Barnes * 3363c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request with format. This is 3364c8e32cc1SDaniel Vetter * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers 3365c8e32cc1SDaniel Vetter * and uses fourcc codes as pixel format specifiers. 3366308e5bcbSJesse Barnes * 3367308e5bcbSJesse Barnes * Called by the user via ioctl. 3368308e5bcbSJesse Barnes * 3369c8e32cc1SDaniel Vetter * Returns: 33701a498633SDaniel Vetter * Zero on success, negative errno on failure. 3371308e5bcbSJesse Barnes */ 3372308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 3373308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 3374308e5bcbSJesse Barnes { 3375f453ba04SDave Airlie struct drm_framebuffer *fb; 3376f453ba04SDave Airlie 3377fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3378fb3b06c8SDave Airlie return -EINVAL; 3379fb3b06c8SDave Airlie 3380c394c2b0SMatt Roper fb = add_framebuffer_internal(dev, data, file_priv); 3381c394c2b0SMatt Roper if (IS_ERR(fb)) 33824b096ac1SDaniel Vetter return PTR_ERR(fb); 3383f453ba04SDave Airlie 3384c394c2b0SMatt Roper return 0; 3385f453ba04SDave Airlie } 3386f453ba04SDave Airlie 3387f453ba04SDave Airlie /** 3388f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 3389065a50edSDaniel Vetter * @dev: drm device for the ioctl 3390065a50edSDaniel Vetter * @data: data pointer for the ioctl 3391065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3392f453ba04SDave Airlie * 3393f453ba04SDave Airlie * Remove the FB specified by the user. 3394f453ba04SDave Airlie * 3395f453ba04SDave Airlie * Called by the user via ioctl. 3396f453ba04SDave Airlie * 3397c8e32cc1SDaniel Vetter * Returns: 33981a498633SDaniel Vetter * Zero on success, negative errno on failure. 3399f453ba04SDave Airlie */ 3400f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 3401f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3402f453ba04SDave Airlie { 3403f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 3404f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 3405f453ba04SDave Airlie uint32_t *id = data; 3406f453ba04SDave Airlie int found = 0; 3407f453ba04SDave Airlie 3408fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3409fb3b06c8SDave Airlie return -EINVAL; 3410fb3b06c8SDave Airlie 34114b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 34122b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 34132b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, *id); 34142b677e8cSDaniel Vetter if (!fb) 34152b677e8cSDaniel Vetter goto fail_lookup; 34162b677e8cSDaniel Vetter 3417f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 3418f453ba04SDave Airlie if (fb == fbl) 3419f453ba04SDave Airlie found = 1; 34202b677e8cSDaniel Vetter if (!found) 34212b677e8cSDaniel Vetter goto fail_lookup; 34222b677e8cSDaniel Vetter 34232b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 34242b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 3425f453ba04SDave Airlie 34264b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 34272b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 34284b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 3429f453ba04SDave Airlie 34304b096ac1SDaniel Vetter drm_framebuffer_remove(fb); 34314b096ac1SDaniel Vetter 34322b677e8cSDaniel Vetter return 0; 34332b677e8cSDaniel Vetter 34342b677e8cSDaniel Vetter fail_lookup: 34352b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 34362b677e8cSDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 34372b677e8cSDaniel Vetter 343837c4e705SVille Syrjälä return -ENOENT; 3439f453ba04SDave Airlie } 3440f453ba04SDave Airlie 3441f453ba04SDave Airlie /** 3442f453ba04SDave Airlie * drm_mode_getfb - get FB info 3443065a50edSDaniel Vetter * @dev: drm device for the ioctl 3444065a50edSDaniel Vetter * @data: data pointer for the ioctl 3445065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3446f453ba04SDave Airlie * 3447f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 3448f453ba04SDave Airlie * 3449f453ba04SDave Airlie * Called by the user via ioctl. 3450f453ba04SDave Airlie * 3451c8e32cc1SDaniel Vetter * Returns: 34521a498633SDaniel Vetter * Zero on success, negative errno on failure. 3453f453ba04SDave Airlie */ 3454f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 3455f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3456f453ba04SDave Airlie { 3457f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 3458f453ba04SDave Airlie struct drm_framebuffer *fb; 345958c0dca1SDaniel Vetter int ret; 3460f453ba04SDave Airlie 3461fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3462fb3b06c8SDave Airlie return -EINVAL; 3463fb3b06c8SDave Airlie 3464786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 346558c0dca1SDaniel Vetter if (!fb) 346637c4e705SVille Syrjälä return -ENOENT; 3467f453ba04SDave Airlie 3468f453ba04SDave Airlie r->height = fb->height; 3469f453ba04SDave Airlie r->width = fb->width; 3470f453ba04SDave Airlie r->depth = fb->depth; 3471f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 347201f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 3473101b96f3SDavid Herrmann if (fb->funcs->create_handle) { 347409f308f7SThomas Hellstrom if (file_priv->is_master || capable(CAP_SYS_ADMIN) || 347543683057SThomas Hellstrom drm_is_control_client(file_priv)) { 3476101b96f3SDavid Herrmann ret = fb->funcs->create_handle(fb, file_priv, 3477101b96f3SDavid Herrmann &r->handle); 3478101b96f3SDavid Herrmann } else { 3479101b96f3SDavid Herrmann /* GET_FB() is an unprivileged ioctl so we must not 3480101b96f3SDavid Herrmann * return a buffer-handle to non-master processes! For 3481101b96f3SDavid Herrmann * backwards-compatibility reasons, we cannot make 3482101b96f3SDavid Herrmann * GET_FB() privileged, so just return an invalid handle 3483101b96f3SDavid Herrmann * for non-masters. */ 3484101b96f3SDavid Herrmann r->handle = 0; 3485101b96f3SDavid Herrmann ret = 0; 3486101b96f3SDavid Herrmann } 3487101b96f3SDavid Herrmann } else { 3488af26ef3bSDaniel Vetter ret = -ENODEV; 3489101b96f3SDavid Herrmann } 3490f453ba04SDave Airlie 349158c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 349258c0dca1SDaniel Vetter 3493f453ba04SDave Airlie return ret; 3494f453ba04SDave Airlie } 3495f453ba04SDave Airlie 3496c8e32cc1SDaniel Vetter /** 3497c8e32cc1SDaniel Vetter * drm_mode_dirtyfb_ioctl - flush frontbuffer rendering on an FB 3498c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3499c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3500c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3501c8e32cc1SDaniel Vetter * 3502c8e32cc1SDaniel Vetter * Lookup the FB and flush out the damaged area supplied by userspace as a clip 3503c8e32cc1SDaniel Vetter * rectangle list. Generic userspace which does frontbuffer rendering must call 3504c8e32cc1SDaniel Vetter * this ioctl to flush out the changes on manual-update display outputs, e.g. 3505c8e32cc1SDaniel Vetter * usb display-link, mipi manual update panels or edp panel self refresh modes. 3506c8e32cc1SDaniel Vetter * 3507c8e32cc1SDaniel Vetter * Modesetting drivers which always update the frontbuffer do not need to 3508c8e32cc1SDaniel Vetter * implement the corresponding ->dirty framebuffer callback. 3509c8e32cc1SDaniel Vetter * 3510c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3511c8e32cc1SDaniel Vetter * 3512c8e32cc1SDaniel Vetter * Returns: 35131a498633SDaniel Vetter * Zero on success, negative errno on failure. 3514c8e32cc1SDaniel Vetter */ 3515884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 3516884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 3517884840aaSJakob Bornecrantz { 3518884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 3519884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 3520884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 3521884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 3522884840aaSJakob Bornecrantz unsigned flags; 3523884840aaSJakob Bornecrantz int num_clips; 35244a1b0714SLaurent Pinchart int ret; 3525884840aaSJakob Bornecrantz 3526fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3527fb3b06c8SDave Airlie return -EINVAL; 3528fb3b06c8SDave Airlie 3529786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 35304ccf097fSDaniel Vetter if (!fb) 353137c4e705SVille Syrjälä return -ENOENT; 3532884840aaSJakob Bornecrantz 3533884840aaSJakob Bornecrantz num_clips = r->num_clips; 353481f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 3535884840aaSJakob Bornecrantz 3536884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 3537884840aaSJakob Bornecrantz ret = -EINVAL; 3538884840aaSJakob Bornecrantz goto out_err1; 3539884840aaSJakob Bornecrantz } 3540884840aaSJakob Bornecrantz 3541884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 3542884840aaSJakob Bornecrantz 3543884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 3544884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 3545884840aaSJakob Bornecrantz ret = -EINVAL; 3546884840aaSJakob Bornecrantz goto out_err1; 3547884840aaSJakob Bornecrantz } 3548884840aaSJakob Bornecrantz 3549884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 3550a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 3551a5cd3351SXi Wang ret = -EINVAL; 3552a5cd3351SXi Wang goto out_err1; 3553a5cd3351SXi Wang } 3554bd3f0ff9SThierry Reding clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); 3555884840aaSJakob Bornecrantz if (!clips) { 3556884840aaSJakob Bornecrantz ret = -ENOMEM; 3557884840aaSJakob Bornecrantz goto out_err1; 3558884840aaSJakob Bornecrantz } 3559884840aaSJakob Bornecrantz 3560884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 3561884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 3562e902a358SDan Carpenter if (ret) { 3563e902a358SDan Carpenter ret = -EFAULT; 3564884840aaSJakob Bornecrantz goto out_err2; 3565884840aaSJakob Bornecrantz } 3566e902a358SDan Carpenter } 3567884840aaSJakob Bornecrantz 3568884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 356902b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 357002b00162SThomas Hellstrom clips, num_clips); 3571884840aaSJakob Bornecrantz } else { 3572884840aaSJakob Bornecrantz ret = -ENOSYS; 3573884840aaSJakob Bornecrantz } 3574884840aaSJakob Bornecrantz 3575884840aaSJakob Bornecrantz out_err2: 3576884840aaSJakob Bornecrantz kfree(clips); 3577884840aaSJakob Bornecrantz out_err1: 35784ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 35794ccf097fSDaniel Vetter 3580884840aaSJakob Bornecrantz return ret; 3581884840aaSJakob Bornecrantz } 3582884840aaSJakob Bornecrantz 3583884840aaSJakob Bornecrantz 3584f453ba04SDave Airlie /** 3585f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 3586065a50edSDaniel Vetter * @priv: drm file for the ioctl 3587f453ba04SDave Airlie * 3588f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 3589f453ba04SDave Airlie * 3590f453ba04SDave Airlie * Called by the user via ioctl. 3591f453ba04SDave Airlie * 3592c8e32cc1SDaniel Vetter * Returns: 35931a498633SDaniel Vetter * Zero on success, negative errno on failure. 3594f453ba04SDave Airlie */ 3595ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 3596f453ba04SDave Airlie { 3597f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 3598f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 3599f453ba04SDave Airlie 36001b116297SDaniel Vetter /* 36011b116297SDaniel Vetter * When the file gets released that means no one else can access the fb 3602e2db726bSMartin Peres * list any more, so no need to grab fpriv->fbs_lock. And we need to 36031b116297SDaniel Vetter * avoid upsetting lockdep since the universal cursor code adds a 36041b116297SDaniel Vetter * framebuffer while holding mutex locks. 36051b116297SDaniel Vetter * 36061b116297SDaniel Vetter * Note that a real deadlock between fpriv->fbs_lock and the modeset 36071b116297SDaniel Vetter * locks is impossible here since no one else but this function can get 36081b116297SDaniel Vetter * at it any more. 36091b116297SDaniel Vetter */ 3610f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 36112b677e8cSDaniel Vetter 36122b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 36132b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 36142b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 36152b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 36162b677e8cSDaniel Vetter 36174b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 36182b677e8cSDaniel Vetter 36192b677e8cSDaniel Vetter /* This will also drop the fpriv->fbs reference. */ 3620f7eff60eSRob Clark drm_framebuffer_remove(fb); 3621f453ba04SDave Airlie } 3622f453ba04SDave Airlie } 3623f453ba04SDave Airlie 3624c8e32cc1SDaniel Vetter /** 3625c8e32cc1SDaniel Vetter * drm_property_create - create a new property type 3626c8e32cc1SDaniel Vetter * @dev: drm device 3627c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3628c8e32cc1SDaniel Vetter * @name: name of the property 3629c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3630c8e32cc1SDaniel Vetter * 3631c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3632c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3633c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3634c8e32cc1SDaniel Vetter * 36353b5b9932SDamien Lespiau * Note that the DRM core keeps a per-device list of properties and that, if 36363b5b9932SDamien Lespiau * drm_mode_config_cleanup() is called, it will destroy all properties created 36373b5b9932SDamien Lespiau * by the driver. 36383b5b9932SDamien Lespiau * 3639c8e32cc1SDaniel Vetter * Returns: 3640c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3641c8e32cc1SDaniel Vetter */ 3642f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 3643f453ba04SDave Airlie const char *name, int num_values) 3644f453ba04SDave Airlie { 3645f453ba04SDave Airlie struct drm_property *property = NULL; 36466bfc56aaSVille Syrjälä int ret; 3647f453ba04SDave Airlie 3648f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 3649f453ba04SDave Airlie if (!property) 3650f453ba04SDave Airlie return NULL; 3651f453ba04SDave Airlie 365298f75de4SRob Clark property->dev = dev; 365398f75de4SRob Clark 3654f453ba04SDave Airlie if (num_values) { 3655bd3f0ff9SThierry Reding property->values = kcalloc(num_values, sizeof(uint64_t), 3656bd3f0ff9SThierry Reding GFP_KERNEL); 3657f453ba04SDave Airlie if (!property->values) 3658f453ba04SDave Airlie goto fail; 3659f453ba04SDave Airlie } 3660f453ba04SDave Airlie 36616bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 36626bfc56aaSVille Syrjälä if (ret) 36636bfc56aaSVille Syrjälä goto fail; 36646bfc56aaSVille Syrjälä 3665f453ba04SDave Airlie property->flags = flags; 3666f453ba04SDave Airlie property->num_values = num_values; 36673758b341SDaniel Vetter INIT_LIST_HEAD(&property->enum_list); 3668f453ba04SDave Airlie 3669471dd2efSVinson Lee if (name) { 3670f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 3671471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 3672471dd2efSVinson Lee } 3673f453ba04SDave Airlie 3674f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 36755ea22f24SRob Clark 36765ea22f24SRob Clark WARN_ON(!drm_property_type_valid(property)); 36775ea22f24SRob Clark 3678f453ba04SDave Airlie return property; 3679f453ba04SDave Airlie fail: 36806bfc56aaSVille Syrjälä kfree(property->values); 3681f453ba04SDave Airlie kfree(property); 3682f453ba04SDave Airlie return NULL; 3683f453ba04SDave Airlie } 3684f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 3685f453ba04SDave Airlie 3686c8e32cc1SDaniel Vetter /** 36872aa9d2bcSThierry Reding * drm_property_create_enum - create a new enumeration property type 3688c8e32cc1SDaniel Vetter * @dev: drm device 3689c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3690c8e32cc1SDaniel Vetter * @name: name of the property 3691c8e32cc1SDaniel Vetter * @props: enumeration lists with property values 3692c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3693c8e32cc1SDaniel Vetter * 3694c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3695c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3696c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3697c8e32cc1SDaniel Vetter * 3698c8e32cc1SDaniel Vetter * Userspace is only allowed to set one of the predefined values for enumeration 3699c8e32cc1SDaniel Vetter * properties. 3700c8e32cc1SDaniel Vetter * 3701c8e32cc1SDaniel Vetter * Returns: 3702c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3703c8e32cc1SDaniel Vetter */ 37044a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 37054a67d391SSascha Hauer const char *name, 37064a67d391SSascha Hauer const struct drm_prop_enum_list *props, 37074a67d391SSascha Hauer int num_values) 37084a67d391SSascha Hauer { 37094a67d391SSascha Hauer struct drm_property *property; 37104a67d391SSascha Hauer int i, ret; 37114a67d391SSascha Hauer 37124a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 37134a67d391SSascha Hauer 37144a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 37154a67d391SSascha Hauer if (!property) 37164a67d391SSascha Hauer return NULL; 37174a67d391SSascha Hauer 37184a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 37194a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 37204a67d391SSascha Hauer props[i].type, 37214a67d391SSascha Hauer props[i].name); 37224a67d391SSascha Hauer if (ret) { 37234a67d391SSascha Hauer drm_property_destroy(dev, property); 37244a67d391SSascha Hauer return NULL; 37254a67d391SSascha Hauer } 37264a67d391SSascha Hauer } 37274a67d391SSascha Hauer 37284a67d391SSascha Hauer return property; 37294a67d391SSascha Hauer } 37304a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 37314a67d391SSascha Hauer 3732c8e32cc1SDaniel Vetter /** 37332aa9d2bcSThierry Reding * drm_property_create_bitmask - create a new bitmask property type 3734c8e32cc1SDaniel Vetter * @dev: drm device 3735c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3736c8e32cc1SDaniel Vetter * @name: name of the property 3737c8e32cc1SDaniel Vetter * @props: enumeration lists with property bitflags 3738295ee853SDaniel Vetter * @num_props: size of the @props array 3739295ee853SDaniel Vetter * @supported_bits: bitmask of all supported enumeration values 3740c8e32cc1SDaniel Vetter * 3741295ee853SDaniel Vetter * This creates a new bitmask drm property which can then be attached to a drm 3742c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3743c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3744c8e32cc1SDaniel Vetter * 3745c8e32cc1SDaniel Vetter * Compared to plain enumeration properties userspace is allowed to set any 3746c8e32cc1SDaniel Vetter * or'ed together combination of the predefined property bitflag values 3747c8e32cc1SDaniel Vetter * 3748c8e32cc1SDaniel Vetter * Returns: 3749c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3750c8e32cc1SDaniel Vetter */ 375149e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 375249e27545SRob Clark int flags, const char *name, 375349e27545SRob Clark const struct drm_prop_enum_list *props, 37547689ffb3SVille Syrjälä int num_props, 37557689ffb3SVille Syrjälä uint64_t supported_bits) 375649e27545SRob Clark { 375749e27545SRob Clark struct drm_property *property; 37587689ffb3SVille Syrjälä int i, ret, index = 0; 37597689ffb3SVille Syrjälä int num_values = hweight64(supported_bits); 376049e27545SRob Clark 376149e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 376249e27545SRob Clark 376349e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 376449e27545SRob Clark if (!property) 376549e27545SRob Clark return NULL; 37667689ffb3SVille Syrjälä for (i = 0; i < num_props; i++) { 37677689ffb3SVille Syrjälä if (!(supported_bits & (1ULL << props[i].type))) 37687689ffb3SVille Syrjälä continue; 376949e27545SRob Clark 37707689ffb3SVille Syrjälä if (WARN_ON(index >= num_values)) { 37717689ffb3SVille Syrjälä drm_property_destroy(dev, property); 37727689ffb3SVille Syrjälä return NULL; 37737689ffb3SVille Syrjälä } 37747689ffb3SVille Syrjälä 37757689ffb3SVille Syrjälä ret = drm_property_add_enum(property, index++, 377649e27545SRob Clark props[i].type, 377749e27545SRob Clark props[i].name); 377849e27545SRob Clark if (ret) { 377949e27545SRob Clark drm_property_destroy(dev, property); 378049e27545SRob Clark return NULL; 378149e27545SRob Clark } 378249e27545SRob Clark } 378349e27545SRob Clark 378449e27545SRob Clark return property; 378549e27545SRob Clark } 378649e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 378749e27545SRob Clark 3788ebc44cf3SRob Clark static struct drm_property *property_create_range(struct drm_device *dev, 3789ebc44cf3SRob Clark int flags, const char *name, 3790ebc44cf3SRob Clark uint64_t min, uint64_t max) 3791ebc44cf3SRob Clark { 3792ebc44cf3SRob Clark struct drm_property *property; 3793ebc44cf3SRob Clark 3794ebc44cf3SRob Clark property = drm_property_create(dev, flags, name, 2); 3795ebc44cf3SRob Clark if (!property) 3796ebc44cf3SRob Clark return NULL; 3797ebc44cf3SRob Clark 3798ebc44cf3SRob Clark property->values[0] = min; 3799ebc44cf3SRob Clark property->values[1] = max; 3800ebc44cf3SRob Clark 3801ebc44cf3SRob Clark return property; 3802ebc44cf3SRob Clark } 3803ebc44cf3SRob Clark 3804c8e32cc1SDaniel Vetter /** 3805960cd9d4SDaniel Vetter * drm_property_create_range - create a new unsigned ranged property type 3806c8e32cc1SDaniel Vetter * @dev: drm device 3807c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3808c8e32cc1SDaniel Vetter * @name: name of the property 3809c8e32cc1SDaniel Vetter * @min: minimum value of the property 3810c8e32cc1SDaniel Vetter * @max: maximum value of the property 3811c8e32cc1SDaniel Vetter * 3812c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3813c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3814c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3815c8e32cc1SDaniel Vetter * 3816960cd9d4SDaniel Vetter * Userspace is allowed to set any unsigned integer value in the (min, max) 3817960cd9d4SDaniel Vetter * range inclusive. 3818c8e32cc1SDaniel Vetter * 3819c8e32cc1SDaniel Vetter * Returns: 3820c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3821c8e32cc1SDaniel Vetter */ 3822d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 3823d9bc3c02SSascha Hauer const char *name, 3824d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 3825d9bc3c02SSascha Hauer { 3826ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_RANGE | flags, 3827ebc44cf3SRob Clark name, min, max); 3828d9bc3c02SSascha Hauer } 3829d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 3830d9bc3c02SSascha Hauer 3831960cd9d4SDaniel Vetter /** 3832960cd9d4SDaniel Vetter * drm_property_create_signed_range - create a new signed ranged property type 3833960cd9d4SDaniel Vetter * @dev: drm device 3834960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3835960cd9d4SDaniel Vetter * @name: name of the property 3836960cd9d4SDaniel Vetter * @min: minimum value of the property 3837960cd9d4SDaniel Vetter * @max: maximum value of the property 3838960cd9d4SDaniel Vetter * 3839960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3840960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3841960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3842960cd9d4SDaniel Vetter * 3843960cd9d4SDaniel Vetter * Userspace is allowed to set any signed integer value in the (min, max) 3844960cd9d4SDaniel Vetter * range inclusive. 3845960cd9d4SDaniel Vetter * 3846960cd9d4SDaniel Vetter * Returns: 3847960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3848960cd9d4SDaniel Vetter */ 3849ebc44cf3SRob Clark struct drm_property *drm_property_create_signed_range(struct drm_device *dev, 3850ebc44cf3SRob Clark int flags, const char *name, 3851ebc44cf3SRob Clark int64_t min, int64_t max) 3852ebc44cf3SRob Clark { 3853ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags, 3854ebc44cf3SRob Clark name, I642U64(min), I642U64(max)); 3855ebc44cf3SRob Clark } 3856ebc44cf3SRob Clark EXPORT_SYMBOL(drm_property_create_signed_range); 3857ebc44cf3SRob Clark 3858960cd9d4SDaniel Vetter /** 3859960cd9d4SDaniel Vetter * drm_property_create_object - create a new object property type 3860960cd9d4SDaniel Vetter * @dev: drm device 3861960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3862960cd9d4SDaniel Vetter * @name: name of the property 3863960cd9d4SDaniel Vetter * @type: object type from DRM_MODE_OBJECT_* defines 3864960cd9d4SDaniel Vetter * 3865960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3866960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3867960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3868960cd9d4SDaniel Vetter * 3869960cd9d4SDaniel Vetter * Userspace is only allowed to set this to any property value of the given 3870960cd9d4SDaniel Vetter * @type. Only useful for atomic properties, which is enforced. 3871960cd9d4SDaniel Vetter * 3872960cd9d4SDaniel Vetter * Returns: 3873960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3874960cd9d4SDaniel Vetter */ 387598f75de4SRob Clark struct drm_property *drm_property_create_object(struct drm_device *dev, 387698f75de4SRob Clark int flags, const char *name, uint32_t type) 387798f75de4SRob Clark { 387898f75de4SRob Clark struct drm_property *property; 387998f75de4SRob Clark 388098f75de4SRob Clark flags |= DRM_MODE_PROP_OBJECT; 388198f75de4SRob Clark 3882960cd9d4SDaniel Vetter if (WARN_ON(!(flags & DRM_MODE_PROP_ATOMIC))) 3883960cd9d4SDaniel Vetter return NULL; 3884960cd9d4SDaniel Vetter 388598f75de4SRob Clark property = drm_property_create(dev, flags, name, 1); 388698f75de4SRob Clark if (!property) 388798f75de4SRob Clark return NULL; 388898f75de4SRob Clark 388998f75de4SRob Clark property->values[0] = type; 389098f75de4SRob Clark 389198f75de4SRob Clark return property; 389298f75de4SRob Clark } 389398f75de4SRob Clark EXPORT_SYMBOL(drm_property_create_object); 389498f75de4SRob Clark 3895c8e32cc1SDaniel Vetter /** 3896960cd9d4SDaniel Vetter * drm_property_create_bool - create a new boolean property type 3897960cd9d4SDaniel Vetter * @dev: drm device 3898960cd9d4SDaniel Vetter * @flags: flags specifying the property type 3899960cd9d4SDaniel Vetter * @name: name of the property 3900960cd9d4SDaniel Vetter * 3901960cd9d4SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3902960cd9d4SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3903960cd9d4SDaniel Vetter * freed with drm_property_destroy. 3904960cd9d4SDaniel Vetter * 3905960cd9d4SDaniel Vetter * This is implemented as a ranged property with only {0, 1} as valid values. 3906960cd9d4SDaniel Vetter * 3907960cd9d4SDaniel Vetter * Returns: 3908960cd9d4SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3909960cd9d4SDaniel Vetter */ 3910960cd9d4SDaniel Vetter struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, 3911960cd9d4SDaniel Vetter const char *name) 3912960cd9d4SDaniel Vetter { 3913960cd9d4SDaniel Vetter return drm_property_create_range(dev, flags, name, 0, 1); 3914960cd9d4SDaniel Vetter } 3915960cd9d4SDaniel Vetter EXPORT_SYMBOL(drm_property_create_bool); 3916960cd9d4SDaniel Vetter 3917960cd9d4SDaniel Vetter /** 3918c8e32cc1SDaniel Vetter * drm_property_add_enum - add a possible value to an enumeration property 3919c8e32cc1SDaniel Vetter * @property: enumeration property to change 3920c8e32cc1SDaniel Vetter * @index: index of the new enumeration 3921c8e32cc1SDaniel Vetter * @value: value of the new enumeration 3922c8e32cc1SDaniel Vetter * @name: symbolic name of the new enumeration 3923c8e32cc1SDaniel Vetter * 3924c8e32cc1SDaniel Vetter * This functions adds enumerations to a property. 3925c8e32cc1SDaniel Vetter * 3926c8e32cc1SDaniel Vetter * It's use is deprecated, drivers should use one of the more specific helpers 3927c8e32cc1SDaniel Vetter * to directly create the property with all enumerations already attached. 3928c8e32cc1SDaniel Vetter * 3929c8e32cc1SDaniel Vetter * Returns: 3930c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 3931c8e32cc1SDaniel Vetter */ 3932f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 3933f453ba04SDave Airlie uint64_t value, const char *name) 3934f453ba04SDave Airlie { 3935f453ba04SDave Airlie struct drm_property_enum *prop_enum; 3936f453ba04SDave Airlie 39375ea22f24SRob Clark if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 39385ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK))) 393949e27545SRob Clark return -EINVAL; 394049e27545SRob Clark 394149e27545SRob Clark /* 394249e27545SRob Clark * Bitmask enum properties have the additional constraint of values 394349e27545SRob Clark * from 0 to 63 394449e27545SRob Clark */ 39455ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && 39465ea22f24SRob Clark (value > 63)) 3947f453ba04SDave Airlie return -EINVAL; 3948f453ba04SDave Airlie 39493758b341SDaniel Vetter if (!list_empty(&property->enum_list)) { 39503758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 3951f453ba04SDave Airlie if (prop_enum->value == value) { 3952f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 3953f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 3954f453ba04SDave Airlie return 0; 3955f453ba04SDave Airlie } 3956f453ba04SDave Airlie } 3957f453ba04SDave Airlie } 3958f453ba04SDave Airlie 3959f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 3960f453ba04SDave Airlie if (!prop_enum) 3961f453ba04SDave Airlie return -ENOMEM; 3962f453ba04SDave Airlie 3963f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 3964f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 3965f453ba04SDave Airlie prop_enum->value = value; 3966f453ba04SDave Airlie 3967f453ba04SDave Airlie property->values[index] = value; 39683758b341SDaniel Vetter list_add_tail(&prop_enum->head, &property->enum_list); 3969f453ba04SDave Airlie return 0; 3970f453ba04SDave Airlie } 3971f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 3972f453ba04SDave Airlie 3973c8e32cc1SDaniel Vetter /** 3974c8e32cc1SDaniel Vetter * drm_property_destroy - destroy a drm property 3975c8e32cc1SDaniel Vetter * @dev: drm device 3976c8e32cc1SDaniel Vetter * @property: property to destry 3977c8e32cc1SDaniel Vetter * 3978c8e32cc1SDaniel Vetter * This function frees a property including any attached resources like 3979c8e32cc1SDaniel Vetter * enumeration values. 3980c8e32cc1SDaniel Vetter */ 3981f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 3982f453ba04SDave Airlie { 3983f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 3984f453ba04SDave Airlie 39853758b341SDaniel Vetter list_for_each_entry_safe(prop_enum, pt, &property->enum_list, head) { 3986f453ba04SDave Airlie list_del(&prop_enum->head); 3987f453ba04SDave Airlie kfree(prop_enum); 3988f453ba04SDave Airlie } 3989f453ba04SDave Airlie 3990f453ba04SDave Airlie if (property->num_values) 3991f453ba04SDave Airlie kfree(property->values); 3992f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 3993f453ba04SDave Airlie list_del(&property->head); 3994f453ba04SDave Airlie kfree(property); 3995f453ba04SDave Airlie } 3996f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 3997f453ba04SDave Airlie 3998c8e32cc1SDaniel Vetter /** 3999c8e32cc1SDaniel Vetter * drm_object_attach_property - attach a property to a modeset object 4000c8e32cc1SDaniel Vetter * @obj: drm modeset object 4001c8e32cc1SDaniel Vetter * @property: property to attach 4002c8e32cc1SDaniel Vetter * @init_val: initial value of the property 4003c8e32cc1SDaniel Vetter * 4004c8e32cc1SDaniel Vetter * This attaches the given property to the modeset object with the given initial 4005c8e32cc1SDaniel Vetter * value. Currently this function cannot fail since the properties are stored in 4006c8e32cc1SDaniel Vetter * a statically sized array. 4007c8e32cc1SDaniel Vetter */ 4008c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 4009c543188aSPaulo Zanoni struct drm_property *property, 4010c543188aSPaulo Zanoni uint64_t init_val) 4011c543188aSPaulo Zanoni { 40127f88a9beSPaulo Zanoni int count = obj->properties->count; 4013c543188aSPaulo Zanoni 40147f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 40157f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 40167f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 40177f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 40187f88a9beSPaulo Zanoni obj->type); 4019c543188aSPaulo Zanoni return; 4020c543188aSPaulo Zanoni } 4021c543188aSPaulo Zanoni 4022b17cd757SRob Clark obj->properties->properties[count] = property; 40237f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 40247f88a9beSPaulo Zanoni obj->properties->count++; 402588a48e29SRob Clark if (property->flags & DRM_MODE_PROP_ATOMIC) 402688a48e29SRob Clark obj->properties->atomic_count++; 4027c543188aSPaulo Zanoni } 4028c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 4029c543188aSPaulo Zanoni 4030c8e32cc1SDaniel Vetter /** 4031c8e32cc1SDaniel Vetter * drm_object_property_set_value - set the value of a property 4032c8e32cc1SDaniel Vetter * @obj: drm mode object to set property value for 4033c8e32cc1SDaniel Vetter * @property: property to set 4034c8e32cc1SDaniel Vetter * @val: value the property should be set to 4035c8e32cc1SDaniel Vetter * 4036c8e32cc1SDaniel Vetter * This functions sets a given property on a given object. This function only 4037c8e32cc1SDaniel Vetter * changes the software state of the property, it does not call into the 4038c8e32cc1SDaniel Vetter * driver's ->set_property callback. 4039c8e32cc1SDaniel Vetter * 4040c8e32cc1SDaniel Vetter * Returns: 4041c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4042c8e32cc1SDaniel Vetter */ 4043c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 4044c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 4045c543188aSPaulo Zanoni { 4046c543188aSPaulo Zanoni int i; 4047c543188aSPaulo Zanoni 40487f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 4049b17cd757SRob Clark if (obj->properties->properties[i] == property) { 4050c543188aSPaulo Zanoni obj->properties->values[i] = val; 4051c543188aSPaulo Zanoni return 0; 4052c543188aSPaulo Zanoni } 4053c543188aSPaulo Zanoni } 4054c543188aSPaulo Zanoni 4055c543188aSPaulo Zanoni return -EINVAL; 4056c543188aSPaulo Zanoni } 4057c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 4058c543188aSPaulo Zanoni 4059c8e32cc1SDaniel Vetter /** 4060c8e32cc1SDaniel Vetter * drm_object_property_get_value - retrieve the value of a property 4061c8e32cc1SDaniel Vetter * @obj: drm mode object to get property value from 4062c8e32cc1SDaniel Vetter * @property: property to retrieve 4063c8e32cc1SDaniel Vetter * @val: storage for the property value 4064c8e32cc1SDaniel Vetter * 4065c8e32cc1SDaniel Vetter * This function retrieves the softare state of the given property for the given 4066c8e32cc1SDaniel Vetter * property. Since there is no driver callback to retrieve the current property 4067c8e32cc1SDaniel Vetter * value this might be out of sync with the hardware, depending upon the driver 4068c8e32cc1SDaniel Vetter * and property. 4069c8e32cc1SDaniel Vetter * 4070c8e32cc1SDaniel Vetter * Returns: 4071c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 4072c8e32cc1SDaniel Vetter */ 4073c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 4074c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 4075c543188aSPaulo Zanoni { 4076c543188aSPaulo Zanoni int i; 4077c543188aSPaulo Zanoni 407888a48e29SRob Clark /* read-only properties bypass atomic mechanism and still store 407988a48e29SRob Clark * their value in obj->properties->values[].. mostly to avoid 408088a48e29SRob Clark * having to deal w/ EDID and similar props in atomic paths: 408188a48e29SRob Clark */ 408288a48e29SRob Clark if (drm_core_check_feature(property->dev, DRIVER_ATOMIC) && 408388a48e29SRob Clark !(property->flags & DRM_MODE_PROP_IMMUTABLE)) 408488a48e29SRob Clark return drm_atomic_get_property(obj, property, val); 408588a48e29SRob Clark 40867f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 4087b17cd757SRob Clark if (obj->properties->properties[i] == property) { 4088c543188aSPaulo Zanoni *val = obj->properties->values[i]; 4089c543188aSPaulo Zanoni return 0; 4090c543188aSPaulo Zanoni } 4091c543188aSPaulo Zanoni } 4092c543188aSPaulo Zanoni 4093c543188aSPaulo Zanoni return -EINVAL; 4094c543188aSPaulo Zanoni } 4095c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 4096c543188aSPaulo Zanoni 4097c8e32cc1SDaniel Vetter /** 40981a498633SDaniel Vetter * drm_mode_getproperty_ioctl - get the property metadata 4099c8e32cc1SDaniel Vetter * @dev: DRM device 4100c8e32cc1SDaniel Vetter * @data: ioctl data 4101c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4102c8e32cc1SDaniel Vetter * 41031a498633SDaniel Vetter * This function retrieves the metadata for a given property, like the different 41041a498633SDaniel Vetter * possible values for an enum property or the limits for a range property. 41051a498633SDaniel Vetter * 41061a498633SDaniel Vetter * Blob properties are special 4107c8e32cc1SDaniel Vetter * 4108c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4109c8e32cc1SDaniel Vetter * 4110c8e32cc1SDaniel Vetter * Returns: 41111a498633SDaniel Vetter * Zero on success, negative errno on failure. 4112c8e32cc1SDaniel Vetter */ 4113f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 4114f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4115f453ba04SDave Airlie { 4116f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 4117f453ba04SDave Airlie struct drm_property *property; 4118f453ba04SDave Airlie int enum_count = 0; 4119f453ba04SDave Airlie int value_count = 0; 4120f453ba04SDave Airlie int ret = 0, i; 4121f453ba04SDave Airlie int copied; 4122f453ba04SDave Airlie struct drm_property_enum *prop_enum; 4123f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 4124f453ba04SDave Airlie uint64_t __user *values_ptr; 4125f453ba04SDave Airlie 4126fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4127fb3b06c8SDave Airlie return -EINVAL; 4128fb3b06c8SDave Airlie 412984849903SDaniel Vetter drm_modeset_lock_all(dev); 4130a2b34e22SRob Clark property = drm_property_find(dev, out_resp->prop_id); 4131a2b34e22SRob Clark if (!property) { 4132f27657f2SVille Syrjälä ret = -ENOENT; 4133f453ba04SDave Airlie goto done; 4134f453ba04SDave Airlie } 4135f453ba04SDave Airlie 41365ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 41375ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 41383758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) 4139f453ba04SDave Airlie enum_count++; 4140f453ba04SDave Airlie } 4141f453ba04SDave Airlie 4142f453ba04SDave Airlie value_count = property->num_values; 4143f453ba04SDave Airlie 4144f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 4145f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 4146f453ba04SDave Airlie out_resp->flags = property->flags; 4147f453ba04SDave Airlie 4148f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 414981f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 4150f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 4151f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 4152f453ba04SDave Airlie ret = -EFAULT; 4153f453ba04SDave Airlie goto done; 4154f453ba04SDave Airlie } 4155f453ba04SDave Airlie } 4156f453ba04SDave Airlie } 4157f453ba04SDave Airlie out_resp->count_values = value_count; 4158f453ba04SDave Airlie 41595ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 41605ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 4161f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 4162f453ba04SDave Airlie copied = 0; 416381f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 41643758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 4165f453ba04SDave Airlie 4166f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 4167f453ba04SDave Airlie ret = -EFAULT; 4168f453ba04SDave Airlie goto done; 4169f453ba04SDave Airlie } 4170f453ba04SDave Airlie 4171f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 4172f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 4173f453ba04SDave Airlie ret = -EFAULT; 4174f453ba04SDave Airlie goto done; 4175f453ba04SDave Airlie } 4176f453ba04SDave Airlie copied++; 4177f453ba04SDave Airlie } 4178f453ba04SDave Airlie } 4179f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 4180f453ba04SDave Airlie } 4181f453ba04SDave Airlie 41823758b341SDaniel Vetter /* 41833758b341SDaniel Vetter * NOTE: The idea seems to have been to use this to read all the blob 41843758b341SDaniel Vetter * property values. But nothing ever added them to the corresponding 41853758b341SDaniel Vetter * list, userspace always used the special-purpose get_blob ioctl to 41863758b341SDaniel Vetter * read the value for a blob property. It also doesn't make a lot of 41873758b341SDaniel Vetter * sense to return values here when everything else is just metadata for 41883758b341SDaniel Vetter * the property itself. 41893758b341SDaniel Vetter */ 41903758b341SDaniel Vetter if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) 41913758b341SDaniel Vetter out_resp->count_enum_blobs = 0; 4192f453ba04SDave Airlie done: 419384849903SDaniel Vetter drm_modeset_unlock_all(dev); 4194f453ba04SDave Airlie return ret; 4195f453ba04SDave Airlie } 4196f453ba04SDave Airlie 4197ecbbe59bSThierry Reding static struct drm_property_blob * 4198ecbbe59bSThierry Reding drm_property_create_blob(struct drm_device *dev, size_t length, 419912e6cecdSThierry Reding const void *data) 4200f453ba04SDave Airlie { 4201f453ba04SDave Airlie struct drm_property_blob *blob; 42026bfc56aaSVille Syrjälä int ret; 4203f453ba04SDave Airlie 4204f453ba04SDave Airlie if (!length || !data) 4205f453ba04SDave Airlie return NULL; 4206f453ba04SDave Airlie 4207f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 4208f453ba04SDave Airlie if (!blob) 4209f453ba04SDave Airlie return NULL; 4210f453ba04SDave Airlie 42116bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 42126bfc56aaSVille Syrjälä if (ret) { 42136bfc56aaSVille Syrjälä kfree(blob); 42146bfc56aaSVille Syrjälä return NULL; 42156bfc56aaSVille Syrjälä } 42166bfc56aaSVille Syrjälä 4217f453ba04SDave Airlie blob->length = length; 4218f453ba04SDave Airlie 4219f453ba04SDave Airlie memcpy(blob->data, data, length); 4220f453ba04SDave Airlie 4221f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 4222f453ba04SDave Airlie return blob; 4223f453ba04SDave Airlie } 4224f453ba04SDave Airlie 4225f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 4226f453ba04SDave Airlie struct drm_property_blob *blob) 4227f453ba04SDave Airlie { 4228f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 4229f453ba04SDave Airlie list_del(&blob->head); 4230f453ba04SDave Airlie kfree(blob); 4231f453ba04SDave Airlie } 4232f453ba04SDave Airlie 4233c8e32cc1SDaniel Vetter /** 4234c8e32cc1SDaniel Vetter * drm_mode_getblob_ioctl - get the contents of a blob property value 4235c8e32cc1SDaniel Vetter * @dev: DRM device 4236c8e32cc1SDaniel Vetter * @data: ioctl data 4237c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4238c8e32cc1SDaniel Vetter * 4239c8e32cc1SDaniel Vetter * This function retrieves the contents of a blob property. The value stored in 4240c8e32cc1SDaniel Vetter * an object's blob property is just a normal modeset object id. 4241c8e32cc1SDaniel Vetter * 4242c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4243c8e32cc1SDaniel Vetter * 4244c8e32cc1SDaniel Vetter * Returns: 42451a498633SDaniel Vetter * Zero on success, negative errno on failure. 4246c8e32cc1SDaniel Vetter */ 4247f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 4248f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4249f453ba04SDave Airlie { 4250f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 4251f453ba04SDave Airlie struct drm_property_blob *blob; 4252f453ba04SDave Airlie int ret = 0; 425381f6c7f8SVille Syrjälä void __user *blob_ptr; 4254f453ba04SDave Airlie 4255fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4256fb3b06c8SDave Airlie return -EINVAL; 4257fb3b06c8SDave Airlie 425884849903SDaniel Vetter drm_modeset_lock_all(dev); 4259a2b34e22SRob Clark blob = drm_property_blob_find(dev, out_resp->blob_id); 4260a2b34e22SRob Clark if (!blob) { 4261f27657f2SVille Syrjälä ret = -ENOENT; 4262f453ba04SDave Airlie goto done; 4263f453ba04SDave Airlie } 4264f453ba04SDave Airlie 4265f453ba04SDave Airlie if (out_resp->length == blob->length) { 426681f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 4267f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)) { 4268f453ba04SDave Airlie ret = -EFAULT; 4269f453ba04SDave Airlie goto done; 4270f453ba04SDave Airlie } 4271f453ba04SDave Airlie } 4272f453ba04SDave Airlie out_resp->length = blob->length; 4273f453ba04SDave Airlie 4274f453ba04SDave Airlie done: 427584849903SDaniel Vetter drm_modeset_unlock_all(dev); 4276f453ba04SDave Airlie return ret; 4277f453ba04SDave Airlie } 4278f453ba04SDave Airlie 4279cc7096fbSDave Airlie /** 4280cc7096fbSDave Airlie * drm_mode_connector_set_path_property - set tile property on connector 4281cc7096fbSDave Airlie * @connector: connector to set property on. 4282cc7096fbSDave Airlie * @path: path to use for property. 4283cc7096fbSDave Airlie * 4284cc7096fbSDave Airlie * This creates a property to expose to userspace to specify a 4285cc7096fbSDave Airlie * connector path. This is mainly used for DisplayPort MST where 4286cc7096fbSDave Airlie * connectors have a topology and we want to allow userspace to give 4287cc7096fbSDave Airlie * them more meaningful names. 4288cc7096fbSDave Airlie * 4289cc7096fbSDave Airlie * Returns: 42901a498633SDaniel Vetter * Zero on success, negative errno on failure. 4291cc7096fbSDave Airlie */ 429243aba7ebSDave Airlie int drm_mode_connector_set_path_property(struct drm_connector *connector, 429312e6cecdSThierry Reding const char *path) 429443aba7ebSDave Airlie { 429543aba7ebSDave Airlie struct drm_device *dev = connector->dev; 4296ecbbe59bSThierry Reding size_t size = strlen(path) + 1; 4297ecbbe59bSThierry Reding int ret; 429843aba7ebSDave Airlie 429943aba7ebSDave Airlie connector->path_blob_ptr = drm_property_create_blob(connector->dev, 430043aba7ebSDave Airlie size, path); 430143aba7ebSDave Airlie if (!connector->path_blob_ptr) 430243aba7ebSDave Airlie return -EINVAL; 430343aba7ebSDave Airlie 430443aba7ebSDave Airlie ret = drm_object_property_set_value(&connector->base, 430543aba7ebSDave Airlie dev->mode_config.path_property, 430643aba7ebSDave Airlie connector->path_blob_ptr->base.id); 430743aba7ebSDave Airlie return ret; 430843aba7ebSDave Airlie } 430943aba7ebSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_path_property); 431043aba7ebSDave Airlie 4311c8e32cc1SDaniel Vetter /** 43126f134d7bSDave Airlie * drm_mode_connector_set_tile_property - set tile property on connector 43136f134d7bSDave Airlie * @connector: connector to set property on. 43146f134d7bSDave Airlie * 43156f134d7bSDave Airlie * This looks up the tile information for a connector, and creates a 43166f134d7bSDave Airlie * property for userspace to parse if it exists. The property is of 43176f134d7bSDave Airlie * the form of 8 integers using ':' as a separator. 43186f134d7bSDave Airlie * 43196f134d7bSDave Airlie * Returns: 43206f134d7bSDave Airlie * Zero on success, errno on failure. 43216f134d7bSDave Airlie */ 43226f134d7bSDave Airlie int drm_mode_connector_set_tile_property(struct drm_connector *connector) 43236f134d7bSDave Airlie { 43246f134d7bSDave Airlie struct drm_device *dev = connector->dev; 43256f134d7bSDave Airlie int ret, size; 43266f134d7bSDave Airlie char tile[256]; 43276f134d7bSDave Airlie 43286f134d7bSDave Airlie if (connector->tile_blob_ptr) 43296f134d7bSDave Airlie drm_property_destroy_blob(dev, connector->tile_blob_ptr); 43306f134d7bSDave Airlie 43316f134d7bSDave Airlie if (!connector->has_tile) { 43326f134d7bSDave Airlie connector->tile_blob_ptr = NULL; 43336f134d7bSDave Airlie ret = drm_object_property_set_value(&connector->base, 43346f134d7bSDave Airlie dev->mode_config.tile_property, 0); 43356f134d7bSDave Airlie return ret; 43366f134d7bSDave Airlie } 43376f134d7bSDave Airlie 43386f134d7bSDave Airlie snprintf(tile, 256, "%d:%d:%d:%d:%d:%d:%d:%d", 43396f134d7bSDave Airlie connector->tile_group->id, connector->tile_is_single_monitor, 43406f134d7bSDave Airlie connector->num_h_tile, connector->num_v_tile, 43416f134d7bSDave Airlie connector->tile_h_loc, connector->tile_v_loc, 43426f134d7bSDave Airlie connector->tile_h_size, connector->tile_v_size); 43436f134d7bSDave Airlie size = strlen(tile) + 1; 43446f134d7bSDave Airlie 43456f134d7bSDave Airlie connector->tile_blob_ptr = drm_property_create_blob(connector->dev, 43466f134d7bSDave Airlie size, tile); 43476f134d7bSDave Airlie if (!connector->tile_blob_ptr) 43486f134d7bSDave Airlie return -EINVAL; 43496f134d7bSDave Airlie 43506f134d7bSDave Airlie ret = drm_object_property_set_value(&connector->base, 43516f134d7bSDave Airlie dev->mode_config.tile_property, 43526f134d7bSDave Airlie connector->tile_blob_ptr->base.id); 43536f134d7bSDave Airlie return ret; 43546f134d7bSDave Airlie } 43556f134d7bSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_tile_property); 43566f134d7bSDave Airlie 43576f134d7bSDave Airlie /** 4358c8e32cc1SDaniel Vetter * drm_mode_connector_update_edid_property - update the edid property of a connector 4359c8e32cc1SDaniel Vetter * @connector: drm connector 4360c8e32cc1SDaniel Vetter * @edid: new value of the edid property 4361c8e32cc1SDaniel Vetter * 4362c8e32cc1SDaniel Vetter * This function creates a new blob modeset object and assigns its id to the 4363c8e32cc1SDaniel Vetter * connector's edid property. 4364c8e32cc1SDaniel Vetter * 4365c8e32cc1SDaniel Vetter * Returns: 43661a498633SDaniel Vetter * Zero on success, negative errno on failure. 4367c8e32cc1SDaniel Vetter */ 4368f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 436912e6cecdSThierry Reding const struct edid *edid) 4370f453ba04SDave Airlie { 4371f453ba04SDave Airlie struct drm_device *dev = connector->dev; 4372ecbbe59bSThierry Reding size_t size; 4373ecbbe59bSThierry Reding int ret; 4374f453ba04SDave Airlie 43754cf2b281SThomas Wood /* ignore requests to set edid when overridden */ 43764cf2b281SThomas Wood if (connector->override_edid) 43774cf2b281SThomas Wood return 0; 43784cf2b281SThomas Wood 4379f453ba04SDave Airlie if (connector->edid_blob_ptr) 4380f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 4381f453ba04SDave Airlie 4382f453ba04SDave Airlie /* Delete edid, when there is none. */ 4383f453ba04SDave Airlie if (!edid) { 4384f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 438558495563SRob Clark ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); 4386f453ba04SDave Airlie return ret; 4387f453ba04SDave Airlie } 4388f453ba04SDave Airlie 43897466f4ccSAdam Jackson size = EDID_LENGTH * (1 + edid->extensions); 43907466f4ccSAdam Jackson connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 43917466f4ccSAdam Jackson size, edid); 4392e655d122SSachin Kamat if (!connector->edid_blob_ptr) 4393e655d122SSachin Kamat return -EINVAL; 4394f453ba04SDave Airlie 439558495563SRob Clark ret = drm_object_property_set_value(&connector->base, 4396f453ba04SDave Airlie dev->mode_config.edid_property, 4397f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 4398f453ba04SDave Airlie 4399f453ba04SDave Airlie return ret; 4400f453ba04SDave Airlie } 4401f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 4402f453ba04SDave Airlie 44033843e71fSRob Clark /* Some properties could refer to dynamic refcnt'd objects, or things that 44043843e71fSRob Clark * need special locking to handle lifetime issues (ie. to ensure the prop 44053843e71fSRob Clark * value doesn't become invalid part way through the property update due to 44063843e71fSRob Clark * race). The value returned by reference via 'obj' should be passed back 44073843e71fSRob Clark * to drm_property_change_valid_put() after the property is set (and the 44083843e71fSRob Clark * object to which the property is attached has a chance to take it's own 44093843e71fSRob Clark * reference). 44103843e71fSRob Clark */ 4411d34f20d6SRob Clark bool drm_property_change_valid_get(struct drm_property *property, 44123843e71fSRob Clark uint64_t value, struct drm_mode_object **ref) 441326a34815SPaulo Zanoni { 44142ca651d1SThierry Reding int i; 44152ca651d1SThierry Reding 441626a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 441726a34815SPaulo Zanoni return false; 44185ea22f24SRob Clark 44193843e71fSRob Clark *ref = NULL; 44203843e71fSRob Clark 44215ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) { 442226a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 442326a34815SPaulo Zanoni return false; 442426a34815SPaulo Zanoni return true; 4425ebc44cf3SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { 4426ebc44cf3SRob Clark int64_t svalue = U642I64(value); 44274dfd909fSThierry Reding 4428ebc44cf3SRob Clark if (svalue < U642I64(property->values[0]) || 4429ebc44cf3SRob Clark svalue > U642I64(property->values[1])) 4430ebc44cf3SRob Clark return false; 4431ebc44cf3SRob Clark return true; 44325ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 4433592c20eeSVille Syrjälä uint64_t valid_mask = 0; 44344dfd909fSThierry Reding 443549e27545SRob Clark for (i = 0; i < property->num_values; i++) 443649e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 443749e27545SRob Clark return !(value & ~valid_mask); 44385ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { 4439c4a56750SVille Syrjälä /* Only the driver knows */ 4440c4a56750SVille Syrjälä return true; 444198f75de4SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 444298f75de4SRob Clark /* a zero value for an object property translates to null: */ 444398f75de4SRob Clark if (value == 0) 444498f75de4SRob Clark return true; 44453843e71fSRob Clark 44463843e71fSRob Clark /* handle refcnt'd objects specially: */ 44473843e71fSRob Clark if (property->values[0] == DRM_MODE_OBJECT_FB) { 44483843e71fSRob Clark struct drm_framebuffer *fb; 44493843e71fSRob Clark fb = drm_framebuffer_lookup(property->dev, value); 44503843e71fSRob Clark if (fb) { 44513843e71fSRob Clark *ref = &fb->base; 44523843e71fSRob Clark return true; 44533843e71fSRob Clark } else { 44543843e71fSRob Clark return false; 44553843e71fSRob Clark } 44563843e71fSRob Clark } else { 44573843e71fSRob Clark return _object_find(property->dev, value, property->values[0]) != NULL; 44583843e71fSRob Clark } 44592ca651d1SThierry Reding } 44602ca651d1SThierry Reding 446126a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 446226a34815SPaulo Zanoni if (property->values[i] == value) 446326a34815SPaulo Zanoni return true; 446426a34815SPaulo Zanoni return false; 446526a34815SPaulo Zanoni } 446626a34815SPaulo Zanoni 4467d34f20d6SRob Clark void drm_property_change_valid_put(struct drm_property *property, 44683843e71fSRob Clark struct drm_mode_object *ref) 44693843e71fSRob Clark { 44703843e71fSRob Clark if (!ref) 44713843e71fSRob Clark return; 44723843e71fSRob Clark 44733843e71fSRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 44743843e71fSRob Clark if (property->values[0] == DRM_MODE_OBJECT_FB) 44753843e71fSRob Clark drm_framebuffer_unreference(obj_to_fb(ref)); 44763843e71fSRob Clark } 44773843e71fSRob Clark } 44783843e71fSRob Clark 4479c8e32cc1SDaniel Vetter /** 4480c8e32cc1SDaniel Vetter * drm_mode_connector_property_set_ioctl - set the current value of a connector property 4481c8e32cc1SDaniel Vetter * @dev: DRM device 4482c8e32cc1SDaniel Vetter * @data: ioctl data 4483c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4484c8e32cc1SDaniel Vetter * 4485c8e32cc1SDaniel Vetter * This function sets the current value for a connectors's property. It also 4486c8e32cc1SDaniel Vetter * calls into a driver's ->set_property callback to update the hardware state 4487c8e32cc1SDaniel Vetter * 4488c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4489c8e32cc1SDaniel Vetter * 4490c8e32cc1SDaniel Vetter * Returns: 44911a498633SDaniel Vetter * Zero on success, negative errno on failure. 4492c8e32cc1SDaniel Vetter */ 4493f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 4494f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4495f453ba04SDave Airlie { 44960057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 44970057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 44980057d8ddSPaulo Zanoni .value = conn_set_prop->value, 44990057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 45000057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 45010057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 45020057d8ddSPaulo Zanoni }; 4503f453ba04SDave Airlie 45040057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 45050057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 4506f453ba04SDave Airlie } 4507f453ba04SDave Airlie 4508c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 4509c543188aSPaulo Zanoni struct drm_property *property, 4510c543188aSPaulo Zanoni uint64_t value) 4511c543188aSPaulo Zanoni { 4512c543188aSPaulo Zanoni int ret = -EINVAL; 4513c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 4514c543188aSPaulo Zanoni 4515c543188aSPaulo Zanoni /* Do DPMS ourselves */ 4516c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 4517c543188aSPaulo Zanoni if (connector->funcs->dpms) 4518c543188aSPaulo Zanoni (*connector->funcs->dpms)(connector, (int)value); 4519c543188aSPaulo Zanoni ret = 0; 4520c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 4521c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 4522c543188aSPaulo Zanoni 4523c543188aSPaulo Zanoni /* store the property value if successful */ 4524c543188aSPaulo Zanoni if (!ret) 452558495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 4526c543188aSPaulo Zanoni return ret; 4527c543188aSPaulo Zanoni } 4528c543188aSPaulo Zanoni 4529bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 4530bffd9de0SPaulo Zanoni struct drm_property *property, 4531bffd9de0SPaulo Zanoni uint64_t value) 4532bffd9de0SPaulo Zanoni { 4533bffd9de0SPaulo Zanoni int ret = -EINVAL; 4534bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 4535bffd9de0SPaulo Zanoni 4536bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 4537bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 4538bffd9de0SPaulo Zanoni if (!ret) 4539bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 4540bffd9de0SPaulo Zanoni 4541bffd9de0SPaulo Zanoni return ret; 4542bffd9de0SPaulo Zanoni } 4543bffd9de0SPaulo Zanoni 45443a5f87c2SThomas Wood /** 45453a5f87c2SThomas Wood * drm_mode_plane_set_obj_prop - set the value of a property 45463a5f87c2SThomas Wood * @plane: drm plane object to set property value for 45473a5f87c2SThomas Wood * @property: property to set 45483a5f87c2SThomas Wood * @value: value the property should be set to 45493a5f87c2SThomas Wood * 45503a5f87c2SThomas Wood * This functions sets a given property on a given plane object. This function 45513a5f87c2SThomas Wood * calls the driver's ->set_property callback and changes the software state of 45523a5f87c2SThomas Wood * the property if the callback succeeds. 45533a5f87c2SThomas Wood * 45543a5f87c2SThomas Wood * Returns: 45553a5f87c2SThomas Wood * Zero on success, error code on failure. 45563a5f87c2SThomas Wood */ 45573a5f87c2SThomas Wood int drm_mode_plane_set_obj_prop(struct drm_plane *plane, 45584d93914aSRob Clark struct drm_property *property, 45594d93914aSRob Clark uint64_t value) 45604d93914aSRob Clark { 45614d93914aSRob Clark int ret = -EINVAL; 45623a5f87c2SThomas Wood struct drm_mode_object *obj = &plane->base; 45634d93914aSRob Clark 45644d93914aSRob Clark if (plane->funcs->set_property) 45654d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 45664d93914aSRob Clark if (!ret) 45674d93914aSRob Clark drm_object_property_set_value(obj, property, value); 45684d93914aSRob Clark 45694d93914aSRob Clark return ret; 45704d93914aSRob Clark } 45713a5f87c2SThomas Wood EXPORT_SYMBOL(drm_mode_plane_set_obj_prop); 45724d93914aSRob Clark 4573c8e32cc1SDaniel Vetter /** 45741a498633SDaniel Vetter * drm_mode_obj_get_properties_ioctl - get the current value of a object's property 4575c8e32cc1SDaniel Vetter * @dev: DRM device 4576c8e32cc1SDaniel Vetter * @data: ioctl data 4577c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4578c8e32cc1SDaniel Vetter * 4579c8e32cc1SDaniel Vetter * This function retrieves the current value for an object's property. Compared 4580c8e32cc1SDaniel Vetter * to the connector specific ioctl this one is extended to also work on crtc and 4581c8e32cc1SDaniel Vetter * plane objects. 4582c8e32cc1SDaniel Vetter * 4583c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4584c8e32cc1SDaniel Vetter * 4585c8e32cc1SDaniel Vetter * Returns: 45861a498633SDaniel Vetter * Zero on success, negative errno on failure. 4587c8e32cc1SDaniel Vetter */ 4588c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 4589c543188aSPaulo Zanoni struct drm_file *file_priv) 4590c543188aSPaulo Zanoni { 4591c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 4592c543188aSPaulo Zanoni struct drm_mode_object *obj; 4593c543188aSPaulo Zanoni int ret = 0; 4594c543188aSPaulo Zanoni 4595c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4596c543188aSPaulo Zanoni return -EINVAL; 4597c543188aSPaulo Zanoni 459884849903SDaniel Vetter drm_modeset_lock_all(dev); 4599c543188aSPaulo Zanoni 4600c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 4601c543188aSPaulo Zanoni if (!obj) { 4602f27657f2SVille Syrjälä ret = -ENOENT; 4603c543188aSPaulo Zanoni goto out; 4604c543188aSPaulo Zanoni } 4605c543188aSPaulo Zanoni if (!obj->properties) { 4606c543188aSPaulo Zanoni ret = -EINVAL; 4607c543188aSPaulo Zanoni goto out; 4608c543188aSPaulo Zanoni } 4609c543188aSPaulo Zanoni 461088a48e29SRob Clark ret = get_properties(obj, file_priv->atomic, 461195cbf110SRob Clark (uint32_t __user *)(unsigned long)(arg->props_ptr), 461295cbf110SRob Clark (uint64_t __user *)(unsigned long)(arg->prop_values_ptr), 461395cbf110SRob Clark &arg->count_props); 4614c543188aSPaulo Zanoni 4615c543188aSPaulo Zanoni out: 461684849903SDaniel Vetter drm_modeset_unlock_all(dev); 4617c543188aSPaulo Zanoni return ret; 4618c543188aSPaulo Zanoni } 4619c543188aSPaulo Zanoni 4620c8e32cc1SDaniel Vetter /** 4621c8e32cc1SDaniel Vetter * drm_mode_obj_set_property_ioctl - set the current value of an object's property 4622c8e32cc1SDaniel Vetter * @dev: DRM device 4623c8e32cc1SDaniel Vetter * @data: ioctl data 4624c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4625c8e32cc1SDaniel Vetter * 4626c8e32cc1SDaniel Vetter * This function sets the current value for an object's property. It also calls 4627c8e32cc1SDaniel Vetter * into a driver's ->set_property callback to update the hardware state. 4628c8e32cc1SDaniel Vetter * Compared to the connector specific ioctl this one is extended to also work on 4629c8e32cc1SDaniel Vetter * crtc and plane objects. 4630c8e32cc1SDaniel Vetter * 4631c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4632c8e32cc1SDaniel Vetter * 4633c8e32cc1SDaniel Vetter * Returns: 46341a498633SDaniel Vetter * Zero on success, negative errno on failure. 4635c8e32cc1SDaniel Vetter */ 4636c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 4637c543188aSPaulo Zanoni struct drm_file *file_priv) 4638c543188aSPaulo Zanoni { 4639c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 4640c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 4641c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 4642c543188aSPaulo Zanoni struct drm_property *property; 46433843e71fSRob Clark int i, ret = -EINVAL; 46443843e71fSRob Clark struct drm_mode_object *ref; 4645c543188aSPaulo Zanoni 4646c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4647c543188aSPaulo Zanoni return -EINVAL; 4648c543188aSPaulo Zanoni 464984849903SDaniel Vetter drm_modeset_lock_all(dev); 4650c543188aSPaulo Zanoni 4651c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 4652f27657f2SVille Syrjälä if (!arg_obj) { 4653f27657f2SVille Syrjälä ret = -ENOENT; 4654c543188aSPaulo Zanoni goto out; 4655f27657f2SVille Syrjälä } 4656c543188aSPaulo Zanoni if (!arg_obj->properties) 4657c543188aSPaulo Zanoni goto out; 4658c543188aSPaulo Zanoni 46597f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 4660b17cd757SRob Clark if (arg_obj->properties->properties[i]->base.id == arg->prop_id) 4661c543188aSPaulo Zanoni break; 4662c543188aSPaulo Zanoni 46637f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 4664c543188aSPaulo Zanoni goto out; 4665c543188aSPaulo Zanoni 4666c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 4667c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 4668f27657f2SVille Syrjälä if (!prop_obj) { 4669f27657f2SVille Syrjälä ret = -ENOENT; 4670c543188aSPaulo Zanoni goto out; 4671f27657f2SVille Syrjälä } 4672c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 4673c543188aSPaulo Zanoni 46743843e71fSRob Clark if (!drm_property_change_valid_get(property, arg->value, &ref)) 4675c543188aSPaulo Zanoni goto out; 4676c543188aSPaulo Zanoni 4677c543188aSPaulo Zanoni switch (arg_obj->type) { 4678c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 4679c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 4680c543188aSPaulo Zanoni arg->value); 4681c543188aSPaulo Zanoni break; 4682bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 4683bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 4684bffd9de0SPaulo Zanoni break; 46854d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 46863a5f87c2SThomas Wood ret = drm_mode_plane_set_obj_prop(obj_to_plane(arg_obj), 46873a5f87c2SThomas Wood property, arg->value); 46884d93914aSRob Clark break; 4689c543188aSPaulo Zanoni } 4690c543188aSPaulo Zanoni 46913843e71fSRob Clark drm_property_change_valid_put(property, ref); 46923843e71fSRob Clark 4693c543188aSPaulo Zanoni out: 469484849903SDaniel Vetter drm_modeset_unlock_all(dev); 4695c543188aSPaulo Zanoni return ret; 4696c543188aSPaulo Zanoni } 4697c543188aSPaulo Zanoni 4698c8e32cc1SDaniel Vetter /** 4699c8e32cc1SDaniel Vetter * drm_mode_connector_attach_encoder - attach a connector to an encoder 4700c8e32cc1SDaniel Vetter * @connector: connector to attach 4701c8e32cc1SDaniel Vetter * @encoder: encoder to attach @connector to 4702c8e32cc1SDaniel Vetter * 4703c8e32cc1SDaniel Vetter * This function links up a connector to an encoder. Note that the routing 4704c8e32cc1SDaniel Vetter * restrictions between encoders and crtcs are exposed to userspace through the 4705c8e32cc1SDaniel Vetter * possible_clones and possible_crtcs bitmasks. 4706c8e32cc1SDaniel Vetter * 4707c8e32cc1SDaniel Vetter * Returns: 47081a498633SDaniel Vetter * Zero on success, negative errno on failure. 4709c8e32cc1SDaniel Vetter */ 4710f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 4711f453ba04SDave Airlie struct drm_encoder *encoder) 4712f453ba04SDave Airlie { 4713f453ba04SDave Airlie int i; 4714f453ba04SDave Airlie 4715f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 4716f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 4717f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 4718f453ba04SDave Airlie return 0; 4719f453ba04SDave Airlie } 4720f453ba04SDave Airlie } 4721f453ba04SDave Airlie return -ENOMEM; 4722f453ba04SDave Airlie } 4723f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 4724f453ba04SDave Airlie 4725c8e32cc1SDaniel Vetter /** 4726c8e32cc1SDaniel Vetter * drm_mode_crtc_set_gamma_size - set the gamma table size 4727c8e32cc1SDaniel Vetter * @crtc: CRTC to set the gamma table size for 4728c8e32cc1SDaniel Vetter * @gamma_size: size of the gamma table 4729c8e32cc1SDaniel Vetter * 4730c8e32cc1SDaniel Vetter * Drivers which support gamma tables should set this to the supported gamma 4731c8e32cc1SDaniel Vetter * table size when initializing the CRTC. Currently the drm core only supports a 4732c8e32cc1SDaniel Vetter * fixed gamma table size. 4733c8e32cc1SDaniel Vetter * 4734c8e32cc1SDaniel Vetter * Returns: 47351a498633SDaniel Vetter * Zero on success, negative errno on failure. 4736c8e32cc1SDaniel Vetter */ 47374cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 4738f453ba04SDave Airlie int gamma_size) 4739f453ba04SDave Airlie { 4740f453ba04SDave Airlie crtc->gamma_size = gamma_size; 4741f453ba04SDave Airlie 4742bd3f0ff9SThierry Reding crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3, 4743bd3f0ff9SThierry Reding GFP_KERNEL); 4744f453ba04SDave Airlie if (!crtc->gamma_store) { 4745f453ba04SDave Airlie crtc->gamma_size = 0; 47464cae5b84SSascha Hauer return -ENOMEM; 4747f453ba04SDave Airlie } 4748f453ba04SDave Airlie 47494cae5b84SSascha Hauer return 0; 4750f453ba04SDave Airlie } 4751f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 4752f453ba04SDave Airlie 4753c8e32cc1SDaniel Vetter /** 4754c8e32cc1SDaniel Vetter * drm_mode_gamma_set_ioctl - set the gamma table 4755c8e32cc1SDaniel Vetter * @dev: DRM device 4756c8e32cc1SDaniel Vetter * @data: ioctl data 4757c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4758c8e32cc1SDaniel Vetter * 4759c8e32cc1SDaniel Vetter * Set the gamma table of a CRTC to the one passed in by the user. Userspace can 4760c8e32cc1SDaniel Vetter * inquire the required gamma table size through drm_mode_gamma_get_ioctl. 4761c8e32cc1SDaniel Vetter * 4762c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4763c8e32cc1SDaniel Vetter * 4764c8e32cc1SDaniel Vetter * Returns: 47651a498633SDaniel Vetter * Zero on success, negative errno on failure. 4766c8e32cc1SDaniel Vetter */ 4767f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 4768f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4769f453ba04SDave Airlie { 4770f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 4771f453ba04SDave Airlie struct drm_crtc *crtc; 4772f453ba04SDave Airlie void *r_base, *g_base, *b_base; 4773f453ba04SDave Airlie int size; 4774f453ba04SDave Airlie int ret = 0; 4775f453ba04SDave Airlie 4776fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4777fb3b06c8SDave Airlie return -EINVAL; 4778fb3b06c8SDave Airlie 477984849903SDaniel Vetter drm_modeset_lock_all(dev); 4780a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 4781a2b34e22SRob Clark if (!crtc) { 4782f27657f2SVille Syrjälä ret = -ENOENT; 4783f453ba04SDave Airlie goto out; 4784f453ba04SDave Airlie } 4785f453ba04SDave Airlie 4786ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 4787ebe0f244SLaurent Pinchart ret = -ENOSYS; 4788ebe0f244SLaurent Pinchart goto out; 4789ebe0f244SLaurent Pinchart } 4790ebe0f244SLaurent Pinchart 4791f453ba04SDave Airlie /* memcpy into gamma store */ 4792f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 4793f453ba04SDave Airlie ret = -EINVAL; 4794f453ba04SDave Airlie goto out; 4795f453ba04SDave Airlie } 4796f453ba04SDave Airlie 4797f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 4798f453ba04SDave Airlie r_base = crtc->gamma_store; 4799f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 4800f453ba04SDave Airlie ret = -EFAULT; 4801f453ba04SDave Airlie goto out; 4802f453ba04SDave Airlie } 4803f453ba04SDave Airlie 4804f453ba04SDave Airlie g_base = r_base + size; 4805f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 4806f453ba04SDave Airlie ret = -EFAULT; 4807f453ba04SDave Airlie goto out; 4808f453ba04SDave Airlie } 4809f453ba04SDave Airlie 4810f453ba04SDave Airlie b_base = g_base + size; 4811f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 4812f453ba04SDave Airlie ret = -EFAULT; 4813f453ba04SDave Airlie goto out; 4814f453ba04SDave Airlie } 4815f453ba04SDave Airlie 48167203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 4817f453ba04SDave Airlie 4818f453ba04SDave Airlie out: 481984849903SDaniel Vetter drm_modeset_unlock_all(dev); 4820f453ba04SDave Airlie return ret; 4821f453ba04SDave Airlie 4822f453ba04SDave Airlie } 4823f453ba04SDave Airlie 4824c8e32cc1SDaniel Vetter /** 4825c8e32cc1SDaniel Vetter * drm_mode_gamma_get_ioctl - get the gamma table 4826c8e32cc1SDaniel Vetter * @dev: DRM device 4827c8e32cc1SDaniel Vetter * @data: ioctl data 4828c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4829c8e32cc1SDaniel Vetter * 4830c8e32cc1SDaniel Vetter * Copy the current gamma table into the storage provided. This also provides 4831c8e32cc1SDaniel Vetter * the gamma table size the driver expects, which can be used to size the 4832c8e32cc1SDaniel Vetter * allocated storage. 4833c8e32cc1SDaniel Vetter * 4834c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4835c8e32cc1SDaniel Vetter * 4836c8e32cc1SDaniel Vetter * Returns: 48371a498633SDaniel Vetter * Zero on success, negative errno on failure. 4838c8e32cc1SDaniel Vetter */ 4839f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 4840f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4841f453ba04SDave Airlie { 4842f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 4843f453ba04SDave Airlie struct drm_crtc *crtc; 4844f453ba04SDave Airlie void *r_base, *g_base, *b_base; 4845f453ba04SDave Airlie int size; 4846f453ba04SDave Airlie int ret = 0; 4847f453ba04SDave Airlie 4848fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4849fb3b06c8SDave Airlie return -EINVAL; 4850fb3b06c8SDave Airlie 485184849903SDaniel Vetter drm_modeset_lock_all(dev); 4852a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 4853a2b34e22SRob Clark if (!crtc) { 4854f27657f2SVille Syrjälä ret = -ENOENT; 4855f453ba04SDave Airlie goto out; 4856f453ba04SDave Airlie } 4857f453ba04SDave Airlie 4858f453ba04SDave Airlie /* memcpy into gamma store */ 4859f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 4860f453ba04SDave Airlie ret = -EINVAL; 4861f453ba04SDave Airlie goto out; 4862f453ba04SDave Airlie } 4863f453ba04SDave Airlie 4864f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 4865f453ba04SDave Airlie r_base = crtc->gamma_store; 4866f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 4867f453ba04SDave Airlie ret = -EFAULT; 4868f453ba04SDave Airlie goto out; 4869f453ba04SDave Airlie } 4870f453ba04SDave Airlie 4871f453ba04SDave Airlie g_base = r_base + size; 4872f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 4873f453ba04SDave Airlie ret = -EFAULT; 4874f453ba04SDave Airlie goto out; 4875f453ba04SDave Airlie } 4876f453ba04SDave Airlie 4877f453ba04SDave Airlie b_base = g_base + size; 4878f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 4879f453ba04SDave Airlie ret = -EFAULT; 4880f453ba04SDave Airlie goto out; 4881f453ba04SDave Airlie } 4882f453ba04SDave Airlie out: 488384849903SDaniel Vetter drm_modeset_unlock_all(dev); 4884f453ba04SDave Airlie return ret; 4885f453ba04SDave Airlie } 4886d91d8a3fSKristian Høgsberg 4887c8e32cc1SDaniel Vetter /** 4888c8e32cc1SDaniel Vetter * drm_mode_page_flip_ioctl - schedule an asynchronous fb update 4889c8e32cc1SDaniel Vetter * @dev: DRM device 4890c8e32cc1SDaniel Vetter * @data: ioctl data 4891c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4892c8e32cc1SDaniel Vetter * 4893c8e32cc1SDaniel Vetter * This schedules an asynchronous update on a given CRTC, called page flip. 4894c8e32cc1SDaniel Vetter * Optionally a drm event is generated to signal the completion of the event. 4895c8e32cc1SDaniel Vetter * Generic drivers cannot assume that a pageflip with changed framebuffer 4896c8e32cc1SDaniel Vetter * properties (including driver specific metadata like tiling layout) will work, 4897c8e32cc1SDaniel Vetter * but some drivers support e.g. pixel format changes through the pageflip 4898c8e32cc1SDaniel Vetter * ioctl. 4899c8e32cc1SDaniel Vetter * 4900c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4901c8e32cc1SDaniel Vetter * 4902c8e32cc1SDaniel Vetter * Returns: 49031a498633SDaniel Vetter * Zero on success, negative errno on failure. 4904c8e32cc1SDaniel Vetter */ 4905d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 4906d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 4907d91d8a3fSKristian Høgsberg { 4908d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 4909d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 49103d30a59bSDaniel Vetter struct drm_framebuffer *fb = NULL; 4911d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 4912d91d8a3fSKristian Høgsberg unsigned long flags; 4913d91d8a3fSKristian Høgsberg int ret = -EINVAL; 4914d91d8a3fSKristian Høgsberg 4915d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 4916d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 4917d91d8a3fSKristian Høgsberg return -EINVAL; 4918d91d8a3fSKristian Høgsberg 491962f2104fSKeith Packard if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip) 492062f2104fSKeith Packard return -EINVAL; 492162f2104fSKeith Packard 4922a2b34e22SRob Clark crtc = drm_crtc_find(dev, page_flip->crtc_id); 4923a2b34e22SRob Clark if (!crtc) 4924f27657f2SVille Syrjälä return -ENOENT; 4925d91d8a3fSKristian Høgsberg 49264d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 4927f4510a27SMatt Roper if (crtc->primary->fb == NULL) { 492890c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 492990c1efddSChris Wilson * due to a hotplug event, that userspace has not 493090c1efddSChris Wilson * yet discovered. 493190c1efddSChris Wilson */ 493290c1efddSChris Wilson ret = -EBUSY; 493390c1efddSChris Wilson goto out; 493490c1efddSChris Wilson } 493590c1efddSChris Wilson 4936d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 4937d91d8a3fSKristian Høgsberg goto out; 4938d91d8a3fSKristian Høgsberg 4939786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 494037c4e705SVille Syrjälä if (!fb) { 494137c4e705SVille Syrjälä ret = -ENOENT; 4942d91d8a3fSKristian Høgsberg goto out; 494337c4e705SVille Syrjälä } 4944d91d8a3fSKristian Høgsberg 4945c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb); 4946c11e9283SDamien Lespiau if (ret) 49475f61bb42SVille Syrjälä goto out; 49485f61bb42SVille Syrjälä 4949f4510a27SMatt Roper if (crtc->primary->fb->pixel_format != fb->pixel_format) { 4950909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 4951909d9cdaSLaurent Pinchart ret = -EINVAL; 4952909d9cdaSLaurent Pinchart goto out; 4953909d9cdaSLaurent Pinchart } 4954909d9cdaSLaurent Pinchart 4955d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 4956d91d8a3fSKristian Høgsberg ret = -ENOMEM; 4957d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 4958f76511b9SThierry Reding if (file_priv->event_space < sizeof(e->event)) { 4959d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4960d91d8a3fSKristian Høgsberg goto out; 4961d91d8a3fSKristian Høgsberg } 4962f76511b9SThierry Reding file_priv->event_space -= sizeof(e->event); 4963d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4964d91d8a3fSKristian Høgsberg 4965f76511b9SThierry Reding e = kzalloc(sizeof(*e), GFP_KERNEL); 4966d91d8a3fSKristian Høgsberg if (e == NULL) { 4967d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 4968f76511b9SThierry Reding file_priv->event_space += sizeof(e->event); 4969d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4970d91d8a3fSKristian Høgsberg goto out; 4971d91d8a3fSKristian Høgsberg } 4972d91d8a3fSKristian Høgsberg 49737bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 4974f76511b9SThierry Reding e->event.base.length = sizeof(e->event); 4975d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 4976d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 4977d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 4978d91d8a3fSKristian Høgsberg e->base.destroy = 4979d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 4980d91d8a3fSKristian Høgsberg } 4981d91d8a3fSKristian Høgsberg 49823d30a59bSDaniel Vetter crtc->primary->old_fb = crtc->primary->fb; 4983ed8d1975SKeith Packard ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags); 4984d91d8a3fSKristian Høgsberg if (ret) { 4985aef6a7eeSJoonyoung Shim if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 4986d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 4987f76511b9SThierry Reding file_priv->event_space += sizeof(e->event); 4988d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4989d91d8a3fSKristian Høgsberg kfree(e); 4990d91d8a3fSKristian Høgsberg } 4991b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 49923d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 4993b0d12325SDaniel Vetter } else { 49948cf1e981SThierry Reding /* 49958cf1e981SThierry Reding * Warn if the driver hasn't properly updated the crtc->fb 49968cf1e981SThierry Reding * field to reflect that the new framebuffer is now used. 49978cf1e981SThierry Reding * Failing to do so will screw with the reference counting 49988cf1e981SThierry Reding * on framebuffers. 49998cf1e981SThierry Reding */ 5000f4510a27SMatt Roper WARN_ON(crtc->primary->fb != fb); 5001b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 5002b0d12325SDaniel Vetter fb = NULL; 5003aef6a7eeSJoonyoung Shim } 5004d91d8a3fSKristian Høgsberg 5005d91d8a3fSKristian Høgsberg out: 5006b0d12325SDaniel Vetter if (fb) 5007b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 50083d30a59bSDaniel Vetter if (crtc->primary->old_fb) 50093d30a59bSDaniel Vetter drm_framebuffer_unreference(crtc->primary->old_fb); 50103d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 5011d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 5012b4d5e7d1SDaniel Vetter 5013d91d8a3fSKristian Høgsberg return ret; 5014d91d8a3fSKristian Høgsberg } 5015eb033556SChris Wilson 5016c8e32cc1SDaniel Vetter /** 5017c8e32cc1SDaniel Vetter * drm_mode_config_reset - call ->reset callbacks 5018c8e32cc1SDaniel Vetter * @dev: drm device 5019c8e32cc1SDaniel Vetter * 5020c8e32cc1SDaniel Vetter * This functions calls all the crtc's, encoder's and connector's ->reset 5021c8e32cc1SDaniel Vetter * callback. Drivers can use this in e.g. their driver load or resume code to 5022c8e32cc1SDaniel Vetter * reset hardware and software state. 5023c8e32cc1SDaniel Vetter */ 5024eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 5025eb033556SChris Wilson { 5026eb033556SChris Wilson struct drm_crtc *crtc; 50272a0d7cfdSDaniel Vetter struct drm_plane *plane; 5028eb033556SChris Wilson struct drm_encoder *encoder; 5029eb033556SChris Wilson struct drm_connector *connector; 5030eb033556SChris Wilson 50312a0d7cfdSDaniel Vetter list_for_each_entry(plane, &dev->mode_config.plane_list, head) 50322a0d7cfdSDaniel Vetter if (plane->funcs->reset) 50332a0d7cfdSDaniel Vetter plane->funcs->reset(plane); 50342a0d7cfdSDaniel Vetter 5035eb033556SChris Wilson list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 5036eb033556SChris Wilson if (crtc->funcs->reset) 5037eb033556SChris Wilson crtc->funcs->reset(crtc); 5038eb033556SChris Wilson 5039eb033556SChris Wilson list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 5040eb033556SChris Wilson if (encoder->funcs->reset) 5041eb033556SChris Wilson encoder->funcs->reset(encoder); 5042eb033556SChris Wilson 50435e2cb2f6SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 50445e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 50455e2cb2f6SDaniel Vetter 5046eb033556SChris Wilson if (connector->funcs->reset) 5047eb033556SChris Wilson connector->funcs->reset(connector); 5048eb033556SChris Wilson } 50495e2cb2f6SDaniel Vetter } 5050eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 5051ff72145bSDave Airlie 5052c8e32cc1SDaniel Vetter /** 5053c8e32cc1SDaniel Vetter * drm_mode_create_dumb_ioctl - create a dumb backing storage buffer 5054c8e32cc1SDaniel Vetter * @dev: DRM device 5055c8e32cc1SDaniel Vetter * @data: ioctl data 5056c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5057c8e32cc1SDaniel Vetter * 5058c8e32cc1SDaniel Vetter * This creates a new dumb buffer in the driver's backing storage manager (GEM, 5059c8e32cc1SDaniel Vetter * TTM or something else entirely) and returns the resulting buffer handle. This 5060c8e32cc1SDaniel Vetter * handle can then be wrapped up into a framebuffer modeset object. 5061c8e32cc1SDaniel Vetter * 5062c8e32cc1SDaniel Vetter * Note that userspace is not allowed to use such objects for render 5063c8e32cc1SDaniel Vetter * acceleration - drivers must create their own private ioctls for such a use 5064c8e32cc1SDaniel Vetter * case. 5065c8e32cc1SDaniel Vetter * 5066c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5067c8e32cc1SDaniel Vetter * 5068c8e32cc1SDaniel Vetter * Returns: 50691a498633SDaniel Vetter * Zero on success, negative errno on failure. 5070c8e32cc1SDaniel Vetter */ 5071ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 5072ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5073ff72145bSDave Airlie { 5074ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 5075b28cd41fSDavid Herrmann u32 cpp, stride, size; 5076ff72145bSDave Airlie 5077ff72145bSDave Airlie if (!dev->driver->dumb_create) 5078ff72145bSDave Airlie return -ENOSYS; 5079b28cd41fSDavid Herrmann if (!args->width || !args->height || !args->bpp) 5080b28cd41fSDavid Herrmann return -EINVAL; 5081b28cd41fSDavid Herrmann 5082b28cd41fSDavid Herrmann /* overflow checks for 32bit size calculations */ 508300e72089SDavid Herrmann /* NOTE: DIV_ROUND_UP() can overflow */ 5084b28cd41fSDavid Herrmann cpp = DIV_ROUND_UP(args->bpp, 8); 508500e72089SDavid Herrmann if (!cpp || cpp > 0xffffffffU / args->width) 5086b28cd41fSDavid Herrmann return -EINVAL; 5087b28cd41fSDavid Herrmann stride = cpp * args->width; 5088b28cd41fSDavid Herrmann if (args->height > 0xffffffffU / stride) 5089b28cd41fSDavid Herrmann return -EINVAL; 5090b28cd41fSDavid Herrmann 5091b28cd41fSDavid Herrmann /* test for wrap-around */ 5092b28cd41fSDavid Herrmann size = args->height * stride; 5093b28cd41fSDavid Herrmann if (PAGE_ALIGN(size) == 0) 5094b28cd41fSDavid Herrmann return -EINVAL; 5095b28cd41fSDavid Herrmann 5096f6085952SThierry Reding /* 5097f6085952SThierry Reding * handle, pitch and size are output parameters. Zero them out to 5098f6085952SThierry Reding * prevent drivers from accidentally using uninitialized data. Since 5099f6085952SThierry Reding * not all existing userspace is clearing these fields properly we 5100f6085952SThierry Reding * cannot reject IOCTL with garbage in them. 5101f6085952SThierry Reding */ 5102f6085952SThierry Reding args->handle = 0; 5103f6085952SThierry Reding args->pitch = 0; 5104f6085952SThierry Reding args->size = 0; 5105f6085952SThierry Reding 5106ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 5107ff72145bSDave Airlie } 5108ff72145bSDave Airlie 5109c8e32cc1SDaniel Vetter /** 5110c8e32cc1SDaniel Vetter * drm_mode_mmap_dumb_ioctl - create an mmap offset for a dumb backing storage buffer 5111c8e32cc1SDaniel Vetter * @dev: DRM device 5112c8e32cc1SDaniel Vetter * @data: ioctl data 5113c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5114c8e32cc1SDaniel Vetter * 5115c8e32cc1SDaniel Vetter * Allocate an offset in the drm device node's address space to be able to 5116c8e32cc1SDaniel Vetter * memory map a dumb buffer. 5117c8e32cc1SDaniel Vetter * 5118c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5119c8e32cc1SDaniel Vetter * 5120c8e32cc1SDaniel Vetter * Returns: 51211a498633SDaniel Vetter * Zero on success, negative errno on failure. 5122c8e32cc1SDaniel Vetter */ 5123ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 5124ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5125ff72145bSDave Airlie { 5126ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 5127ff72145bSDave Airlie 5128ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 5129ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 5130ff72145bSDave Airlie return -ENOSYS; 5131ff72145bSDave Airlie 5132ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 5133ff72145bSDave Airlie } 5134ff72145bSDave Airlie 5135c8e32cc1SDaniel Vetter /** 5136c8e32cc1SDaniel Vetter * drm_mode_destroy_dumb_ioctl - destroy a dumb backing strage buffer 5137c8e32cc1SDaniel Vetter * @dev: DRM device 5138c8e32cc1SDaniel Vetter * @data: ioctl data 5139c8e32cc1SDaniel Vetter * @file_priv: DRM file info 5140c8e32cc1SDaniel Vetter * 5141c8e32cc1SDaniel Vetter * This destroys the userspace handle for the given dumb backing storage buffer. 5142c8e32cc1SDaniel Vetter * Since buffer objects must be reference counted in the kernel a buffer object 5143c8e32cc1SDaniel Vetter * won't be immediately freed if a framebuffer modeset object still uses it. 5144c8e32cc1SDaniel Vetter * 5145c8e32cc1SDaniel Vetter * Called by the user via ioctl. 5146c8e32cc1SDaniel Vetter * 5147c8e32cc1SDaniel Vetter * Returns: 51481a498633SDaniel Vetter * Zero on success, negative errno on failure. 5149c8e32cc1SDaniel Vetter */ 5150ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 5151ff72145bSDave Airlie void *data, struct drm_file *file_priv) 5152ff72145bSDave Airlie { 5153ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 5154ff72145bSDave Airlie 5155ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 5156ff72145bSDave Airlie return -ENOSYS; 5157ff72145bSDave Airlie 5158ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 5159ff72145bSDave Airlie } 5160248dbc23SDave Airlie 5161c8e32cc1SDaniel Vetter /** 5162c8e32cc1SDaniel Vetter * drm_fb_get_bpp_depth - get the bpp/depth values for format 5163c8e32cc1SDaniel Vetter * @format: pixel format (DRM_FORMAT_*) 5164c8e32cc1SDaniel Vetter * @depth: storage for the depth value 5165c8e32cc1SDaniel Vetter * @bpp: storage for the bpp value 5166c8e32cc1SDaniel Vetter * 5167c8e32cc1SDaniel Vetter * This only supports RGB formats here for compat with code that doesn't use 5168c8e32cc1SDaniel Vetter * pixel formats directly yet. 5169248dbc23SDave Airlie */ 5170248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 5171248dbc23SDave Airlie int *bpp) 5172248dbc23SDave Airlie { 5173248dbc23SDave Airlie switch (format) { 5174c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 517504b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 517604b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 5177248dbc23SDave Airlie *depth = 8; 5178248dbc23SDave Airlie *bpp = 8; 5179248dbc23SDave Airlie break; 518004b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 518104b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 518204b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 518304b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 518404b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 518504b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 518604b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 518704b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 5188248dbc23SDave Airlie *depth = 15; 5189248dbc23SDave Airlie *bpp = 16; 5190248dbc23SDave Airlie break; 519104b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 519204b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 5193248dbc23SDave Airlie *depth = 16; 5194248dbc23SDave Airlie *bpp = 16; 5195248dbc23SDave Airlie break; 519604b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 519704b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 519804b3924dSVille Syrjälä *depth = 24; 519904b3924dSVille Syrjälä *bpp = 24; 520004b3924dSVille Syrjälä break; 520104b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 520204b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 520304b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 520404b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 5205248dbc23SDave Airlie *depth = 24; 5206248dbc23SDave Airlie *bpp = 32; 5207248dbc23SDave Airlie break; 520804b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 520904b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 521004b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 521104b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 521204b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 521304b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 521404b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 521504b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 5216248dbc23SDave Airlie *depth = 30; 5217248dbc23SDave Airlie *bpp = 32; 5218248dbc23SDave Airlie break; 521904b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 522004b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 522104b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 522204b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 5223248dbc23SDave Airlie *depth = 32; 5224248dbc23SDave Airlie *bpp = 32; 5225248dbc23SDave Airlie break; 5226248dbc23SDave Airlie default: 522723c453a4SVille Syrjälä DRM_DEBUG_KMS("unsupported pixel format %s\n", 522823c453a4SVille Syrjälä drm_get_format_name(format)); 5229248dbc23SDave Airlie *depth = 0; 5230248dbc23SDave Airlie *bpp = 0; 5231248dbc23SDave Airlie break; 5232248dbc23SDave Airlie } 5233248dbc23SDave Airlie } 5234248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 5235141670e9SVille Syrjälä 5236141670e9SVille Syrjälä /** 5237141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 5238141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 5239141670e9SVille Syrjälä * 5240c8e32cc1SDaniel Vetter * Returns: 5241141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 5242141670e9SVille Syrjälä */ 5243141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 5244141670e9SVille Syrjälä { 5245141670e9SVille Syrjälä switch (format) { 5246141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 5247141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 5248141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 5249141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 5250141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 5251141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 5252141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 5253141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 5254141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 5255141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 5256141670e9SVille Syrjälä return 3; 5257141670e9SVille Syrjälä case DRM_FORMAT_NV12: 5258141670e9SVille Syrjälä case DRM_FORMAT_NV21: 5259141670e9SVille Syrjälä case DRM_FORMAT_NV16: 5260141670e9SVille Syrjälä case DRM_FORMAT_NV61: 5261ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 5262ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 5263141670e9SVille Syrjälä return 2; 5264141670e9SVille Syrjälä default: 5265141670e9SVille Syrjälä return 1; 5266141670e9SVille Syrjälä } 5267141670e9SVille Syrjälä } 5268141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 52695a86bd55SVille Syrjälä 52705a86bd55SVille Syrjälä /** 52715a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 52725a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 52735a86bd55SVille Syrjälä * @plane: plane index 52745a86bd55SVille Syrjälä * 5275c8e32cc1SDaniel Vetter * Returns: 52765a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 52775a86bd55SVille Syrjälä */ 52785a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 52795a86bd55SVille Syrjälä { 52805a86bd55SVille Syrjälä unsigned int depth; 52815a86bd55SVille Syrjälä int bpp; 52825a86bd55SVille Syrjälä 52835a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 52845a86bd55SVille Syrjälä return 0; 52855a86bd55SVille Syrjälä 52865a86bd55SVille Syrjälä switch (format) { 52875a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 52885a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 52895a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 52905a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 52915a86bd55SVille Syrjälä return 2; 52925a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 52935a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 52945a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 52955a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 5296ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 5297ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 52985a86bd55SVille Syrjälä return plane ? 2 : 1; 52995a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 53005a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 53015a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 53025a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 53035a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 53045a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 53055a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 53065a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 53075a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 53085a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 53095a86bd55SVille Syrjälä return 1; 53105a86bd55SVille Syrjälä default: 53115a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 53125a86bd55SVille Syrjälä return bpp >> 3; 53135a86bd55SVille Syrjälä } 53145a86bd55SVille Syrjälä } 53155a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 531601b68b04SVille Syrjälä 531701b68b04SVille Syrjälä /** 531801b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 531901b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 532001b68b04SVille Syrjälä * 5321c8e32cc1SDaniel Vetter * Returns: 532201b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 532301b68b04SVille Syrjälä * specified pixel format. 532401b68b04SVille Syrjälä */ 532501b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 532601b68b04SVille Syrjälä { 532701b68b04SVille Syrjälä switch (format) { 532801b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 532901b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 533001b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 533101b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 533201b68b04SVille Syrjälä return 4; 533301b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 533401b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 533501b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 533601b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 533701b68b04SVille Syrjälä case DRM_FORMAT_NV12: 533801b68b04SVille Syrjälä case DRM_FORMAT_NV21: 533901b68b04SVille Syrjälä case DRM_FORMAT_NV16: 534001b68b04SVille Syrjälä case DRM_FORMAT_NV61: 534101b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 534201b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 534301b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 534401b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 534501b68b04SVille Syrjälä return 2; 534601b68b04SVille Syrjälä default: 534701b68b04SVille Syrjälä return 1; 534801b68b04SVille Syrjälä } 534901b68b04SVille Syrjälä } 535001b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 535101b68b04SVille Syrjälä 535201b68b04SVille Syrjälä /** 535301b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 535401b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 535501b68b04SVille Syrjälä * 5356c8e32cc1SDaniel Vetter * Returns: 535701b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 535801b68b04SVille Syrjälä * specified pixel format. 535901b68b04SVille Syrjälä */ 536001b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 536101b68b04SVille Syrjälä { 536201b68b04SVille Syrjälä switch (format) { 536301b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 536401b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 536501b68b04SVille Syrjälä return 4; 536601b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 536701b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 536801b68b04SVille Syrjälä case DRM_FORMAT_NV12: 536901b68b04SVille Syrjälä case DRM_FORMAT_NV21: 537001b68b04SVille Syrjälä return 2; 537101b68b04SVille Syrjälä default: 537201b68b04SVille Syrjälä return 1; 537301b68b04SVille Syrjälä } 537401b68b04SVille Syrjälä } 537501b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 537687d24fc3SLaurent Pinchart 537787d24fc3SLaurent Pinchart /** 53783c9855f6SVille Syrjälä * drm_rotation_simplify() - Try to simplify the rotation 53793c9855f6SVille Syrjälä * @rotation: Rotation to be simplified 53803c9855f6SVille Syrjälä * @supported_rotations: Supported rotations 53813c9855f6SVille Syrjälä * 53823c9855f6SVille Syrjälä * Attempt to simplify the rotation to a form that is supported. 53833c9855f6SVille Syrjälä * Eg. if the hardware supports everything except DRM_REFLECT_X 53843c9855f6SVille Syrjälä * one could call this function like this: 53853c9855f6SVille Syrjälä * 53863c9855f6SVille Syrjälä * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) | 53873c9855f6SVille Syrjälä * BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) | 53883c9855f6SVille Syrjälä * BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y)); 53893c9855f6SVille Syrjälä * 53903c9855f6SVille Syrjälä * to eliminate the DRM_ROTATE_X flag. Depending on what kind of 53913c9855f6SVille Syrjälä * transforms the hardware supports, this function may not 53923c9855f6SVille Syrjälä * be able to produce a supported transform, so the caller should 53933c9855f6SVille Syrjälä * check the result afterwards. 53943c9855f6SVille Syrjälä */ 53953c9855f6SVille Syrjälä unsigned int drm_rotation_simplify(unsigned int rotation, 53963c9855f6SVille Syrjälä unsigned int supported_rotations) 53973c9855f6SVille Syrjälä { 53983c9855f6SVille Syrjälä if (rotation & ~supported_rotations) { 53993c9855f6SVille Syrjälä rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y); 54003c9855f6SVille Syrjälä rotation = (rotation & ~0xf) | BIT((ffs(rotation & 0xf) + 1) % 4); 54013c9855f6SVille Syrjälä } 54023c9855f6SVille Syrjälä 54033c9855f6SVille Syrjälä return rotation; 54043c9855f6SVille Syrjälä } 54053c9855f6SVille Syrjälä EXPORT_SYMBOL(drm_rotation_simplify); 54063c9855f6SVille Syrjälä 54073c9855f6SVille Syrjälä /** 540887d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 540987d24fc3SLaurent Pinchart * @dev: DRM device 541087d24fc3SLaurent Pinchart * 541187d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 541287d24fc3SLaurent Pinchart * configuration of @dev. 541387d24fc3SLaurent Pinchart * 541487d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 541587d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 541687d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 541787d24fc3SLaurent Pinchart * 541887d24fc3SLaurent Pinchart */ 541987d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 542087d24fc3SLaurent Pinchart { 542187d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 542251fd371bSRob Clark drm_modeset_lock_init(&dev->mode_config.connection_mutex); 542387d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 542487d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 542587d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 542687d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 542787d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 542887d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 542987d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 543087d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 543187d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 543287d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 5433138f9ebbSDave Airlie idr_init(&dev->mode_config.tile_idr); 543487d24fc3SLaurent Pinchart 543587d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 54366b4959f4SRob Clark drm_mode_create_standard_properties(dev); 543787d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 543887d24fc3SLaurent Pinchart 543987d24fc3SLaurent Pinchart /* Just to be sure */ 544087d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 544187d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 544287d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 544387d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 5444e27dde3eSMatt Roper dev->mode_config.num_overlay_plane = 0; 5445e27dde3eSMatt Roper dev->mode_config.num_total_plane = 0; 544687d24fc3SLaurent Pinchart } 544787d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 544887d24fc3SLaurent Pinchart 544987d24fc3SLaurent Pinchart /** 545087d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 545187d24fc3SLaurent Pinchart * @dev: DRM device 545287d24fc3SLaurent Pinchart * 545387d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 545487d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 545587d24fc3SLaurent Pinchart * 545687d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 545787d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 545887d24fc3SLaurent Pinchart * this guarantee actually holds true. 545987d24fc3SLaurent Pinchart * 546087d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 546187d24fc3SLaurent Pinchart */ 546287d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 546387d24fc3SLaurent Pinchart { 546487d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 546587d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 546687d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 546787d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 546887d24fc3SLaurent Pinchart struct drm_property *property, *pt; 546987d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 547087d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 547187d24fc3SLaurent Pinchart 547287d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 547387d24fc3SLaurent Pinchart head) { 547487d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 547587d24fc3SLaurent Pinchart } 547687d24fc3SLaurent Pinchart 547787d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 547887d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 547987d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 548087d24fc3SLaurent Pinchart } 548187d24fc3SLaurent Pinchart 548287d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 548387d24fc3SLaurent Pinchart head) { 548487d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 548587d24fc3SLaurent Pinchart } 548687d24fc3SLaurent Pinchart 548787d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 548887d24fc3SLaurent Pinchart head) { 548987d24fc3SLaurent Pinchart drm_property_destroy_blob(dev, blob); 549087d24fc3SLaurent Pinchart } 549187d24fc3SLaurent Pinchart 549287d24fc3SLaurent Pinchart /* 549387d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 549487d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 549587d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 549687d24fc3SLaurent Pinchart * 549787d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 549887d24fc3SLaurent Pinchart * so politely WARN about this. 549987d24fc3SLaurent Pinchart */ 550087d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 550187d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 550287d24fc3SLaurent Pinchart drm_framebuffer_remove(fb); 550387d24fc3SLaurent Pinchart } 550487d24fc3SLaurent Pinchart 550587d24fc3SLaurent Pinchart list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 550687d24fc3SLaurent Pinchart head) { 550787d24fc3SLaurent Pinchart plane->funcs->destroy(plane); 550887d24fc3SLaurent Pinchart } 550987d24fc3SLaurent Pinchart 551087d24fc3SLaurent Pinchart list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 551187d24fc3SLaurent Pinchart crtc->funcs->destroy(crtc); 551287d24fc3SLaurent Pinchart } 551387d24fc3SLaurent Pinchart 5514138f9ebbSDave Airlie idr_destroy(&dev->mode_config.tile_idr); 551587d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 551651fd371bSRob Clark drm_modeset_lock_fini(&dev->mode_config.connection_mutex); 551787d24fc3SLaurent Pinchart } 551887d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 5519c1df5f3cSVille Syrjälä 5520c1df5f3cSVille Syrjälä struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, 5521c1df5f3cSVille Syrjälä unsigned int supported_rotations) 5522c1df5f3cSVille Syrjälä { 5523c1df5f3cSVille Syrjälä static const struct drm_prop_enum_list props[] = { 5524c1df5f3cSVille Syrjälä { DRM_ROTATE_0, "rotate-0" }, 5525c1df5f3cSVille Syrjälä { DRM_ROTATE_90, "rotate-90" }, 5526c1df5f3cSVille Syrjälä { DRM_ROTATE_180, "rotate-180" }, 5527c1df5f3cSVille Syrjälä { DRM_ROTATE_270, "rotate-270" }, 5528c1df5f3cSVille Syrjälä { DRM_REFLECT_X, "reflect-x" }, 5529c1df5f3cSVille Syrjälä { DRM_REFLECT_Y, "reflect-y" }, 5530c1df5f3cSVille Syrjälä }; 5531c1df5f3cSVille Syrjälä 5532c1df5f3cSVille Syrjälä return drm_property_create_bitmask(dev, 0, "rotation", 5533c1df5f3cSVille Syrjälä props, ARRAY_SIZE(props), 5534c1df5f3cSVille Syrjälä supported_rotations); 5535c1df5f3cSVille Syrjälä } 5536c1df5f3cSVille Syrjälä EXPORT_SYMBOL(drm_mode_create_rotation_property); 5537138f9ebbSDave Airlie 5538138f9ebbSDave Airlie /** 5539138f9ebbSDave Airlie * DOC: Tile group 5540138f9ebbSDave Airlie * 5541138f9ebbSDave Airlie * Tile groups are used to represent tiled monitors with a unique 5542138f9ebbSDave Airlie * integer identifier. Tiled monitors using DisplayID v1.3 have 5543138f9ebbSDave Airlie * a unique 8-byte handle, we store this in a tile group, so we 5544138f9ebbSDave Airlie * have a common identifier for all tiles in a monitor group. 5545138f9ebbSDave Airlie */ 5546138f9ebbSDave Airlie static void drm_tile_group_free(struct kref *kref) 5547138f9ebbSDave Airlie { 5548138f9ebbSDave Airlie struct drm_tile_group *tg = container_of(kref, struct drm_tile_group, refcount); 5549138f9ebbSDave Airlie struct drm_device *dev = tg->dev; 5550138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 5551138f9ebbSDave Airlie idr_remove(&dev->mode_config.tile_idr, tg->id); 5552138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 5553138f9ebbSDave Airlie kfree(tg); 5554138f9ebbSDave Airlie } 5555138f9ebbSDave Airlie 5556138f9ebbSDave Airlie /** 5557138f9ebbSDave Airlie * drm_mode_put_tile_group - drop a reference to a tile group. 5558138f9ebbSDave Airlie * @dev: DRM device 5559138f9ebbSDave Airlie * @tg: tile group to drop reference to. 5560138f9ebbSDave Airlie * 5561138f9ebbSDave Airlie * drop reference to tile group and free if 0. 5562138f9ebbSDave Airlie */ 5563138f9ebbSDave Airlie void drm_mode_put_tile_group(struct drm_device *dev, 5564138f9ebbSDave Airlie struct drm_tile_group *tg) 5565138f9ebbSDave Airlie { 5566138f9ebbSDave Airlie kref_put(&tg->refcount, drm_tile_group_free); 5567138f9ebbSDave Airlie } 5568138f9ebbSDave Airlie 5569138f9ebbSDave Airlie /** 5570138f9ebbSDave Airlie * drm_mode_get_tile_group - get a reference to an existing tile group 5571138f9ebbSDave Airlie * @dev: DRM device 5572138f9ebbSDave Airlie * @topology: 8-bytes unique per monitor. 5573138f9ebbSDave Airlie * 5574138f9ebbSDave Airlie * Use the unique bytes to get a reference to an existing tile group. 5575138f9ebbSDave Airlie * 5576138f9ebbSDave Airlie * RETURNS: 5577138f9ebbSDave Airlie * tile group or NULL if not found. 5578138f9ebbSDave Airlie */ 5579138f9ebbSDave Airlie struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, 5580138f9ebbSDave Airlie char topology[8]) 5581138f9ebbSDave Airlie { 5582138f9ebbSDave Airlie struct drm_tile_group *tg; 5583138f9ebbSDave Airlie int id; 5584138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 5585138f9ebbSDave Airlie idr_for_each_entry(&dev->mode_config.tile_idr, tg, id) { 5586138f9ebbSDave Airlie if (!memcmp(tg->group_data, topology, 8)) { 5587138f9ebbSDave Airlie if (!kref_get_unless_zero(&tg->refcount)) 5588138f9ebbSDave Airlie tg = NULL; 5589138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 5590138f9ebbSDave Airlie return tg; 5591138f9ebbSDave Airlie } 5592138f9ebbSDave Airlie } 5593138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 5594138f9ebbSDave Airlie return NULL; 5595138f9ebbSDave Airlie } 5596138f9ebbSDave Airlie 5597138f9ebbSDave Airlie /** 5598138f9ebbSDave Airlie * drm_mode_create_tile_group - create a tile group from a displayid description 5599138f9ebbSDave Airlie * @dev: DRM device 5600138f9ebbSDave Airlie * @topology: 8-bytes unique per monitor. 5601138f9ebbSDave Airlie * 5602138f9ebbSDave Airlie * Create a tile group for the unique monitor, and get a unique 5603138f9ebbSDave Airlie * identifier for the tile group. 5604138f9ebbSDave Airlie * 5605138f9ebbSDave Airlie * RETURNS: 5606138f9ebbSDave Airlie * new tile group or error. 5607138f9ebbSDave Airlie */ 5608138f9ebbSDave Airlie struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, 5609138f9ebbSDave Airlie char topology[8]) 5610138f9ebbSDave Airlie { 5611138f9ebbSDave Airlie struct drm_tile_group *tg; 5612138f9ebbSDave Airlie int ret; 5613138f9ebbSDave Airlie 5614138f9ebbSDave Airlie tg = kzalloc(sizeof(*tg), GFP_KERNEL); 5615138f9ebbSDave Airlie if (!tg) 5616138f9ebbSDave Airlie return ERR_PTR(-ENOMEM); 5617138f9ebbSDave Airlie 5618138f9ebbSDave Airlie kref_init(&tg->refcount); 5619138f9ebbSDave Airlie memcpy(tg->group_data, topology, 8); 5620138f9ebbSDave Airlie tg->dev = dev; 5621138f9ebbSDave Airlie 5622138f9ebbSDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 5623138f9ebbSDave Airlie ret = idr_alloc(&dev->mode_config.tile_idr, tg, 1, 0, GFP_KERNEL); 5624138f9ebbSDave Airlie if (ret >= 0) { 5625138f9ebbSDave Airlie tg->id = ret; 5626138f9ebbSDave Airlie } else { 5627138f9ebbSDave Airlie kfree(tg); 5628138f9ebbSDave Airlie tg = ERR_PTR(ret); 5629138f9ebbSDave Airlie } 5630138f9ebbSDave Airlie 5631138f9ebbSDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 5632138f9ebbSDave Airlie return tg; 5633138f9ebbSDave Airlie } 5634