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> 41f453ba04SDave Airlie 428bd441b2SDaniel Vetter #include "drm_crtc_internal.h" 4367d0ec4eSDaniel Vetter #include "drm_internal.h" 448bd441b2SDaniel Vetter 45c394c2b0SMatt Roper static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev, 46c394c2b0SMatt Roper struct drm_mode_fb_cmd2 *r, 47c394c2b0SMatt Roper struct drm_file *file_priv); 48c394c2b0SMatt Roper 49f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 50f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 51d20d3174SVille Syrjälä const char *fnname(int val) \ 52f453ba04SDave Airlie { \ 53f453ba04SDave Airlie int i; \ 54f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 55f453ba04SDave Airlie if (list[i].type == val) \ 56f453ba04SDave Airlie return list[i].name; \ 57f453ba04SDave Airlie } \ 58f453ba04SDave Airlie return "(unknown)"; \ 59f453ba04SDave Airlie } 60f453ba04SDave Airlie 61f453ba04SDave Airlie /* 62f453ba04SDave Airlie * Global properties 63f453ba04SDave Airlie */ 64d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dpms_enum_list[] = 65f453ba04SDave Airlie { { DRM_MODE_DPMS_ON, "On" }, 66f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 67f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 68f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 69f453ba04SDave Airlie }; 70f453ba04SDave Airlie 71f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 72f453ba04SDave Airlie 739922ab5aSRob Clark static const struct drm_prop_enum_list drm_plane_type_enum_list[] = 749922ab5aSRob Clark { 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 */ 83d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = 84f453ba04SDave Airlie { 8553bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 8653bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 8753bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 8853bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 89f453ba04SDave Airlie }; 90f453ba04SDave Airlie 91ff587e45SVandana Kannan static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = { 92ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" }, 93ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_4_3, "4:3" }, 94ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" }, 95ff587e45SVandana Kannan }; 96ff587e45SVandana Kannan 97f453ba04SDave Airlie /* 98f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 99f453ba04SDave Airlie */ 100d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = 101f453ba04SDave Airlie { 102f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 103f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 104f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 105f453ba04SDave Airlie }; 106f453ba04SDave Airlie 107f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 108f453ba04SDave Airlie 109d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = 110f453ba04SDave Airlie { 111f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 112f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 113f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 114f453ba04SDave Airlie }; 115f453ba04SDave Airlie 116f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 117f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 118f453ba04SDave Airlie 119d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_tv_select_enum_list[] = 120f453ba04SDave Airlie { 121f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 122f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 123f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 124f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 125aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 126f453ba04SDave Airlie }; 127f453ba04SDave Airlie 128f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 129f453ba04SDave Airlie 130d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 131f453ba04SDave Airlie { 132f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 133f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 134f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 135f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 136aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 137f453ba04SDave Airlie }; 138f453ba04SDave Airlie 139f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 140f453ba04SDave Airlie drm_tv_subconnector_enum_list) 141f453ba04SDave Airlie 142d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 143884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 144884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 145884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 146884840aaSJakob Bornecrantz }; 147884840aaSJakob Bornecrantz 148f453ba04SDave Airlie struct drm_conn_prop_enum_list { 149f453ba04SDave Airlie int type; 150d20d3174SVille Syrjälä const char *name; 151b21e3afeSIlia Mirkin struct ida ida; 152f453ba04SDave Airlie }; 153f453ba04SDave Airlie 154f453ba04SDave Airlie /* 155f453ba04SDave Airlie * Connector and encoder types. 156f453ba04SDave Airlie */ 157f453ba04SDave Airlie static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 158b21e3afeSIlia Mirkin { { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, 159b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VGA, "VGA" }, 160b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, 161b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, 162b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, 163b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Composite, "Composite" }, 164b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" }, 165b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, 166b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Component, "Component" }, 167b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_9PinDIN, "DIN" }, 168b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, 169b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, 170b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, 171b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_TV, "TV" }, 172b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_eDP, "eDP" }, 173b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, 174b8923273SShobhit Kumar { DRM_MODE_CONNECTOR_DSI, "DSI" }, 175f453ba04SDave Airlie }; 176f453ba04SDave Airlie 177d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_encoder_enum_list[] = 178f453ba04SDave Airlie { { DRM_MODE_ENCODER_NONE, "None" }, 179f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 180f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 181f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 182f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 183a7331e5cSThomas Hellstrom { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, 184b8923273SShobhit Kumar { DRM_MODE_ENCODER_DSI, "DSI" }, 185182407a6SDave Airlie { DRM_MODE_ENCODER_DPMST, "DP MST" }, 186f453ba04SDave Airlie }; 187f453ba04SDave Airlie 188ac1bb36cSJesse Barnes static const struct drm_prop_enum_list drm_subpixel_enum_list[] = 189ac1bb36cSJesse Barnes { 190ac1bb36cSJesse Barnes { SubPixelUnknown, "Unknown" }, 191ac1bb36cSJesse Barnes { SubPixelHorizontalRGB, "Horizontal RGB" }, 192ac1bb36cSJesse Barnes { SubPixelHorizontalBGR, "Horizontal BGR" }, 193ac1bb36cSJesse Barnes { SubPixelVerticalRGB, "Vertical RGB" }, 194ac1bb36cSJesse Barnes { SubPixelVerticalBGR, "Vertical BGR" }, 195ac1bb36cSJesse Barnes { SubPixelNone, "None" }, 196ac1bb36cSJesse Barnes }; 197ac1bb36cSJesse Barnes 198b21e3afeSIlia Mirkin void drm_connector_ida_init(void) 199b21e3afeSIlia Mirkin { 200b21e3afeSIlia Mirkin int i; 201b21e3afeSIlia Mirkin 202b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 203b21e3afeSIlia Mirkin ida_init(&drm_connector_enum_list[i].ida); 204b21e3afeSIlia Mirkin } 205b21e3afeSIlia Mirkin 206b21e3afeSIlia Mirkin void drm_connector_ida_destroy(void) 207b21e3afeSIlia Mirkin { 208b21e3afeSIlia Mirkin int i; 209b21e3afeSIlia Mirkin 210b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 211b21e3afeSIlia Mirkin ida_destroy(&drm_connector_enum_list[i].ida); 212b21e3afeSIlia Mirkin } 213b21e3afeSIlia Mirkin 214c8e32cc1SDaniel Vetter /** 215c8e32cc1SDaniel Vetter * drm_get_connector_status_name - return a string for connector status 216c8e32cc1SDaniel Vetter * @status: connector status to compute name of 217c8e32cc1SDaniel Vetter * 218c8e32cc1SDaniel Vetter * In contrast to the other drm_get_*_name functions this one here returns a 219c8e32cc1SDaniel Vetter * const pointer and hence is threadsafe. 220c8e32cc1SDaniel Vetter */ 221d20d3174SVille Syrjälä const char *drm_get_connector_status_name(enum drm_connector_status status) 222f453ba04SDave Airlie { 223f453ba04SDave Airlie if (status == connector_status_connected) 224f453ba04SDave Airlie return "connected"; 225f453ba04SDave Airlie else if (status == connector_status_disconnected) 226f453ba04SDave Airlie return "disconnected"; 227f453ba04SDave Airlie else 228f453ba04SDave Airlie return "unknown"; 229f453ba04SDave Airlie } 230ed7951dcSLespiau, Damien EXPORT_SYMBOL(drm_get_connector_status_name); 231f453ba04SDave Airlie 232ac1bb36cSJesse Barnes /** 233ac1bb36cSJesse Barnes * drm_get_subpixel_order_name - return a string for a given subpixel enum 234ac1bb36cSJesse Barnes * @order: enum of subpixel_order 235ac1bb36cSJesse Barnes * 236ac1bb36cSJesse Barnes * Note you could abuse this and return something out of bounds, but that 237ac1bb36cSJesse Barnes * would be a caller error. No unscrubbed user data should make it here. 238ac1bb36cSJesse Barnes */ 239ac1bb36cSJesse Barnes const char *drm_get_subpixel_order_name(enum subpixel_order order) 240ac1bb36cSJesse Barnes { 241ac1bb36cSJesse Barnes return drm_subpixel_enum_list[order].name; 242ac1bb36cSJesse Barnes } 243ac1bb36cSJesse Barnes EXPORT_SYMBOL(drm_get_subpixel_order_name); 244ac1bb36cSJesse Barnes 2456ba6d03eSVille Syrjälä static char printable_char(int c) 2466ba6d03eSVille Syrjälä { 2476ba6d03eSVille Syrjälä return isascii(c) && isprint(c) ? c : '?'; 2486ba6d03eSVille Syrjälä } 2496ba6d03eSVille Syrjälä 250c8e32cc1SDaniel Vetter /** 251c8e32cc1SDaniel Vetter * drm_get_format_name - return a string for drm fourcc format 252c8e32cc1SDaniel Vetter * @format: format to compute name of 253c8e32cc1SDaniel Vetter * 254c8e32cc1SDaniel Vetter * Note that the buffer used by this function is globally shared and owned by 255c8e32cc1SDaniel Vetter * the function itself. 256c8e32cc1SDaniel Vetter * 257c8e32cc1SDaniel Vetter * FIXME: This isn't really multithreading safe. 258c8e32cc1SDaniel Vetter */ 259d20d3174SVille Syrjälä const char *drm_get_format_name(uint32_t format) 2606ba6d03eSVille Syrjälä { 2616ba6d03eSVille Syrjälä static char buf[32]; 2626ba6d03eSVille Syrjälä 2636ba6d03eSVille Syrjälä snprintf(buf, sizeof(buf), 2646ba6d03eSVille Syrjälä "%c%c%c%c %s-endian (0x%08x)", 2656ba6d03eSVille Syrjälä printable_char(format & 0xff), 2666ba6d03eSVille Syrjälä printable_char((format >> 8) & 0xff), 2676ba6d03eSVille Syrjälä printable_char((format >> 16) & 0xff), 2686ba6d03eSVille Syrjälä printable_char((format >> 24) & 0x7f), 2696ba6d03eSVille Syrjälä format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", 2706ba6d03eSVille Syrjälä format); 2716ba6d03eSVille Syrjälä 2726ba6d03eSVille Syrjälä return buf; 2736ba6d03eSVille Syrjälä } 2746ba6d03eSVille Syrjälä EXPORT_SYMBOL(drm_get_format_name); 2756ba6d03eSVille Syrjälä 2762ee39452SDave Airlie /* 2772ee39452SDave Airlie * Internal function to assign a slot in the object idr and optionally 2782ee39452SDave Airlie * register the object into the idr. 2792ee39452SDave Airlie */ 2802ee39452SDave Airlie static int drm_mode_object_get_reg(struct drm_device *dev, 2812ee39452SDave Airlie struct drm_mode_object *obj, 2822ee39452SDave Airlie uint32_t obj_type, 2832ee39452SDave Airlie bool register_obj) 2842ee39452SDave Airlie { 2852ee39452SDave Airlie int ret; 2862ee39452SDave Airlie 2872ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 2882ee39452SDave Airlie ret = idr_alloc(&dev->mode_config.crtc_idr, register_obj ? obj : NULL, 1, 0, GFP_KERNEL); 2892ee39452SDave Airlie if (ret >= 0) { 2902ee39452SDave Airlie /* 2912ee39452SDave Airlie * Set up the object linking under the protection of the idr 2922ee39452SDave Airlie * lock so that other users can't see inconsistent state. 2932ee39452SDave Airlie */ 2942ee39452SDave Airlie obj->id = ret; 2952ee39452SDave Airlie obj->type = obj_type; 2962ee39452SDave Airlie } 2972ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 2982ee39452SDave Airlie 2992ee39452SDave Airlie return ret < 0 ? ret : 0; 3002ee39452SDave Airlie } 3012ee39452SDave Airlie 302f453ba04SDave Airlie /** 303065a50edSDaniel Vetter * drm_mode_object_get - allocate a new modeset identifier 304f453ba04SDave Airlie * @dev: DRM device 305065a50edSDaniel Vetter * @obj: object pointer, used to generate unique ID 306065a50edSDaniel Vetter * @obj_type: object type 307f453ba04SDave Airlie * 308f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 309c8e32cc1SDaniel Vetter * for tracking modes, CRTCs and connectors. Note that despite the _get postfix 310c8e32cc1SDaniel Vetter * modeset identifiers are _not_ reference counted. Hence don't use this for 311c8e32cc1SDaniel Vetter * reference counted modeset objects like framebuffers. 312f453ba04SDave Airlie * 313c8e32cc1SDaniel Vetter * Returns: 314f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 315f453ba04SDave Airlie * object. 316f453ba04SDave Airlie */ 3178bd441b2SDaniel Vetter int drm_mode_object_get(struct drm_device *dev, 318f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 319f453ba04SDave Airlie { 3202ee39452SDave Airlie return drm_mode_object_get_reg(dev, obj, obj_type, true); 3214b096ac1SDaniel Vetter } 3224b096ac1SDaniel Vetter 3232ee39452SDave Airlie static void drm_mode_object_register(struct drm_device *dev, 3242ee39452SDave Airlie struct drm_mode_object *obj) 3252ee39452SDave Airlie { 3262ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 3272ee39452SDave Airlie idr_replace(&dev->mode_config.crtc_idr, obj, obj->id); 3282ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 329f453ba04SDave Airlie } 330f453ba04SDave Airlie 331f453ba04SDave Airlie /** 332065a50edSDaniel Vetter * drm_mode_object_put - free a modeset identifer 333f453ba04SDave Airlie * @dev: DRM device 334065a50edSDaniel Vetter * @object: object to free 335f453ba04SDave Airlie * 336c8e32cc1SDaniel Vetter * Free @id from @dev's unique identifier pool. Note that despite the _get 337c8e32cc1SDaniel Vetter * postfix modeset identifiers are _not_ reference counted. Hence don't use this 338c8e32cc1SDaniel Vetter * for reference counted modeset objects like framebuffers. 339f453ba04SDave Airlie */ 3408bd441b2SDaniel Vetter void drm_mode_object_put(struct drm_device *dev, 341f453ba04SDave Airlie struct drm_mode_object *object) 342f453ba04SDave Airlie { 343ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 344f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 345ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 346f453ba04SDave Airlie } 347f453ba04SDave Airlie 34898f75de4SRob Clark static struct drm_mode_object *_object_find(struct drm_device *dev, 34998f75de4SRob Clark uint32_t id, uint32_t type) 35098f75de4SRob Clark { 35198f75de4SRob Clark struct drm_mode_object *obj = NULL; 35298f75de4SRob Clark 35398f75de4SRob Clark mutex_lock(&dev->mode_config.idr_mutex); 35498f75de4SRob Clark obj = idr_find(&dev->mode_config.crtc_idr, id); 355168c02ecSDaniel Vetter if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type) 356168c02ecSDaniel Vetter obj = NULL; 357168c02ecSDaniel Vetter if (obj && obj->id != id) 358168c02ecSDaniel Vetter obj = NULL; 359168c02ecSDaniel Vetter /* don't leak out unref'd fb's */ 360168c02ecSDaniel Vetter if (obj && (obj->type == DRM_MODE_OBJECT_FB)) 36198f75de4SRob Clark obj = NULL; 36298f75de4SRob Clark mutex_unlock(&dev->mode_config.idr_mutex); 36398f75de4SRob Clark 36498f75de4SRob Clark return obj; 36598f75de4SRob Clark } 36698f75de4SRob Clark 367786b99edSDaniel Vetter /** 368786b99edSDaniel Vetter * drm_mode_object_find - look up a drm object with static lifetime 369786b99edSDaniel Vetter * @dev: drm device 370786b99edSDaniel Vetter * @id: id of the mode object 371786b99edSDaniel Vetter * @type: type of the mode object 372786b99edSDaniel Vetter * 373786b99edSDaniel Vetter * Note that framebuffers cannot be looked up with this functions - since those 37498f75de4SRob Clark * are reference counted, they need special treatment. Even with 37598f75de4SRob Clark * DRM_MODE_OBJECT_ANY (although that will simply return NULL 37698f75de4SRob Clark * rather than WARN_ON()). 377786b99edSDaniel Vetter */ 3787a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 3797a9c9060SDaniel Vetter uint32_t id, uint32_t type) 380f453ba04SDave Airlie { 381ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 382f453ba04SDave Airlie 383786b99edSDaniel Vetter /* Framebuffers are reference counted and need their own lookup 384786b99edSDaniel Vetter * function.*/ 385786b99edSDaniel Vetter WARN_ON(type == DRM_MODE_OBJECT_FB); 38698f75de4SRob Clark obj = _object_find(dev, id, type); 387f453ba04SDave Airlie return obj; 388f453ba04SDave Airlie } 389f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 390f453ba04SDave Airlie 391f453ba04SDave Airlie /** 392f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 393f453ba04SDave Airlie * @dev: DRM device 394065a50edSDaniel Vetter * @fb: framebuffer to be initialized 395065a50edSDaniel Vetter * @funcs: ... with these functions 396f453ba04SDave Airlie * 397f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 398f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 399f453ba04SDave Airlie * 4004b096ac1SDaniel Vetter * IMPORTANT: 4014b096ac1SDaniel Vetter * This functions publishes the fb and makes it available for concurrent access 4024b096ac1SDaniel Vetter * by other users. Which means by this point the fb _must_ be fully set up - 4034b096ac1SDaniel Vetter * since all the fb attributes are invariant over its lifetime, no further 4044b096ac1SDaniel Vetter * locking but only correct reference counting is required. 4054b096ac1SDaniel Vetter * 406c8e32cc1SDaniel Vetter * Returns: 407af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 408f453ba04SDave Airlie */ 409f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 410f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 411f453ba04SDave Airlie { 412f453ba04SDave Airlie int ret; 413f453ba04SDave Airlie 4144b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 415f7eff60eSRob Clark kref_init(&fb->refcount); 4164b096ac1SDaniel Vetter INIT_LIST_HEAD(&fb->filp_head); 4174b096ac1SDaniel Vetter fb->dev = dev; 4184b096ac1SDaniel Vetter fb->funcs = funcs; 419f7eff60eSRob Clark 420f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 4216bfc56aaSVille Syrjälä if (ret) 4224b096ac1SDaniel Vetter goto out; 423f453ba04SDave Airlie 424f453ba04SDave Airlie dev->mode_config.num_fb++; 425f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 4264b096ac1SDaniel Vetter out: 4274b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 428f453ba04SDave Airlie 429f453ba04SDave Airlie return 0; 430f453ba04SDave Airlie } 431f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 432f453ba04SDave Airlie 43383f45fc3SDaniel Vetter /* dev->mode_config.fb_lock must be held! */ 43483f45fc3SDaniel Vetter static void __drm_framebuffer_unregister(struct drm_device *dev, 43583f45fc3SDaniel Vetter struct drm_framebuffer *fb) 43683f45fc3SDaniel Vetter { 43783f45fc3SDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 43883f45fc3SDaniel Vetter idr_remove(&dev->mode_config.crtc_idr, fb->base.id); 43983f45fc3SDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 44083f45fc3SDaniel Vetter 44183f45fc3SDaniel Vetter fb->base.id = 0; 44283f45fc3SDaniel Vetter } 44383f45fc3SDaniel Vetter 444f7eff60eSRob Clark static void drm_framebuffer_free(struct kref *kref) 445f7eff60eSRob Clark { 446f7eff60eSRob Clark struct drm_framebuffer *fb = 447f7eff60eSRob Clark container_of(kref, struct drm_framebuffer, refcount); 44883f45fc3SDaniel Vetter struct drm_device *dev = fb->dev; 44983f45fc3SDaniel Vetter 45083f45fc3SDaniel Vetter /* 45183f45fc3SDaniel Vetter * The lookup idr holds a weak reference, which has not necessarily been 45283f45fc3SDaniel Vetter * removed at this point. Check for that. 45383f45fc3SDaniel Vetter */ 45483f45fc3SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 45583f45fc3SDaniel Vetter if (fb->base.id) { 45683f45fc3SDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 45783f45fc3SDaniel Vetter __drm_framebuffer_unregister(dev, fb); 45883f45fc3SDaniel Vetter } 45983f45fc3SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 46083f45fc3SDaniel Vetter 461f7eff60eSRob Clark fb->funcs->destroy(fb); 462f7eff60eSRob Clark } 463f7eff60eSRob Clark 4642b677e8cSDaniel Vetter static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, 4652b677e8cSDaniel Vetter uint32_t id) 4662b677e8cSDaniel Vetter { 4672b677e8cSDaniel Vetter struct drm_mode_object *obj = NULL; 4682b677e8cSDaniel Vetter struct drm_framebuffer *fb; 4692b677e8cSDaniel Vetter 4702b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 4712b677e8cSDaniel Vetter obj = idr_find(&dev->mode_config.crtc_idr, id); 4722b677e8cSDaniel Vetter if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) 4732b677e8cSDaniel Vetter fb = NULL; 4742b677e8cSDaniel Vetter else 4752b677e8cSDaniel Vetter fb = obj_to_fb(obj); 4762b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 4772b677e8cSDaniel Vetter 4782b677e8cSDaniel Vetter return fb; 4792b677e8cSDaniel Vetter } 4802b677e8cSDaniel Vetter 481f7eff60eSRob Clark /** 482786b99edSDaniel Vetter * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference 483786b99edSDaniel Vetter * @dev: drm device 484786b99edSDaniel Vetter * @id: id of the fb object 485786b99edSDaniel Vetter * 486786b99edSDaniel Vetter * If successful, this grabs an additional reference to the framebuffer - 487786b99edSDaniel Vetter * callers need to make sure to eventually unreference the returned framebuffer 488c8e32cc1SDaniel Vetter * again, using @drm_framebuffer_unreference. 489786b99edSDaniel Vetter */ 490786b99edSDaniel Vetter struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, 491786b99edSDaniel Vetter uint32_t id) 492786b99edSDaniel Vetter { 493786b99edSDaniel Vetter struct drm_framebuffer *fb; 494786b99edSDaniel Vetter 495786b99edSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 4962b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, id); 49783f45fc3SDaniel Vetter if (fb) { 49883f45fc3SDaniel Vetter if (!kref_get_unless_zero(&fb->refcount)) 49983f45fc3SDaniel Vetter fb = NULL; 50083f45fc3SDaniel Vetter } 501786b99edSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 502786b99edSDaniel Vetter 503786b99edSDaniel Vetter return fb; 504786b99edSDaniel Vetter } 505786b99edSDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_lookup); 506786b99edSDaniel Vetter 507786b99edSDaniel Vetter /** 508f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 509065a50edSDaniel Vetter * @fb: framebuffer to unref 510065a50edSDaniel Vetter * 511065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 512f7eff60eSRob Clark */ 513f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 514f7eff60eSRob Clark { 5158291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 516f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 517f7eff60eSRob Clark } 518f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 519f7eff60eSRob Clark 520f7eff60eSRob Clark /** 521f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 522065a50edSDaniel Vetter * @fb: framebuffer 523c8e32cc1SDaniel Vetter * 524c8e32cc1SDaniel Vetter * This functions increments the fb's refcount. 525f7eff60eSRob Clark */ 526f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 527f7eff60eSRob Clark { 5288291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 529f7eff60eSRob Clark kref_get(&fb->refcount); 530f7eff60eSRob Clark } 531f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 532f7eff60eSRob Clark 5332b677e8cSDaniel Vetter static void drm_framebuffer_free_bug(struct kref *kref) 5342b677e8cSDaniel Vetter { 5352b677e8cSDaniel Vetter BUG(); 5362b677e8cSDaniel Vetter } 5372b677e8cSDaniel Vetter 5386c2a7532SDaniel Vetter static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) 5396c2a7532SDaniel Vetter { 5408291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 5416c2a7532SDaniel Vetter kref_put(&fb->refcount, drm_framebuffer_free_bug); 5426c2a7532SDaniel Vetter } 5436c2a7532SDaniel Vetter 544f453ba04SDave Airlie /** 54536206361SDaniel Vetter * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr 54636206361SDaniel Vetter * @fb: fb to unregister 54736206361SDaniel Vetter * 54836206361SDaniel Vetter * Drivers need to call this when cleaning up driver-private framebuffers, e.g. 54936206361SDaniel Vetter * those used for fbdev. Note that the caller must hold a reference of it's own, 55036206361SDaniel Vetter * i.e. the object may not be destroyed through this call (since it'll lead to a 55136206361SDaniel Vetter * locking inversion). 55236206361SDaniel Vetter */ 55336206361SDaniel Vetter void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) 55436206361SDaniel Vetter { 5552b677e8cSDaniel Vetter struct drm_device *dev = fb->dev; 5562b677e8cSDaniel Vetter 5572b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 5582b677e8cSDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 5592b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 5602b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 56136206361SDaniel Vetter } 56236206361SDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_unregister_private); 56336206361SDaniel Vetter 56436206361SDaniel Vetter /** 565f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 566f453ba04SDave Airlie * @fb: framebuffer to remove 567f453ba04SDave Airlie * 568c8e32cc1SDaniel Vetter * Cleanup framebuffer. This function is intended to be used from the drivers 569c8e32cc1SDaniel Vetter * ->destroy callback. It can also be used to clean up driver private 570c8e32cc1SDaniel Vetter * framebuffers embedded into a larger structure. 57136206361SDaniel Vetter * 57236206361SDaniel Vetter * Note that this function does not remove the fb from active usuage - if it is 57336206361SDaniel Vetter * still used anywhere, hilarity can ensue since userspace could call getfb on 57436206361SDaniel Vetter * the id and get back -EINVAL. Obviously no concern at driver unload time. 57536206361SDaniel Vetter * 57636206361SDaniel Vetter * Also, the framebuffer will not be removed from the lookup idr - for 57736206361SDaniel Vetter * user-created framebuffers this will happen in in the rmfb ioctl. For 57836206361SDaniel Vetter * driver-private objects (e.g. for fbdev) drivers need to explicitly call 57936206361SDaniel Vetter * drm_framebuffer_unregister_private. 580f453ba04SDave Airlie */ 581f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 582f453ba04SDave Airlie { 583f453ba04SDave Airlie struct drm_device *dev = fb->dev; 5848faf6b18SDaniel Vetter 5854b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 586f7eff60eSRob Clark list_del(&fb->head); 587f7eff60eSRob Clark dev->mode_config.num_fb--; 5884b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 589f7eff60eSRob Clark } 590f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 591f7eff60eSRob Clark 592f7eff60eSRob Clark /** 593f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 594f7eff60eSRob Clark * @fb: framebuffer to remove 595f7eff60eSRob Clark * 596f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 59736206361SDaniel Vetter * using @fb, removes it, setting it to NULL. Then drops the reference to the 598b62584e3SDaniel Vetter * passed-in framebuffer. Might take the modeset locks. 599b62584e3SDaniel Vetter * 600b62584e3SDaniel Vetter * Note that this function optimizes the cleanup away if the caller holds the 601b62584e3SDaniel Vetter * last reference to the framebuffer. It is also guaranteed to not take the 602b62584e3SDaniel Vetter * modeset locks in this case. 603f7eff60eSRob Clark */ 604f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 605f7eff60eSRob Clark { 606f7eff60eSRob Clark struct drm_device *dev = fb->dev; 607f453ba04SDave Airlie struct drm_crtc *crtc; 6088cf5c917SJesse Barnes struct drm_plane *plane; 6095ef5f72fSDave Airlie struct drm_mode_set set; 6105ef5f72fSDave Airlie int ret; 611f453ba04SDave Airlie 6124b096ac1SDaniel Vetter WARN_ON(!list_empty(&fb->filp_head)); 6138faf6b18SDaniel Vetter 614b62584e3SDaniel Vetter /* 615b62584e3SDaniel Vetter * drm ABI mandates that we remove any deleted framebuffers from active 616b62584e3SDaniel Vetter * useage. But since most sane clients only remove framebuffers they no 617b62584e3SDaniel Vetter * longer need, try to optimize this away. 618b62584e3SDaniel Vetter * 619b62584e3SDaniel Vetter * Since we're holding a reference ourselves, observing a refcount of 1 620b62584e3SDaniel Vetter * means that we're the last holder and can skip it. Also, the refcount 621b62584e3SDaniel Vetter * can never increase from 1 again, so we don't need any barriers or 622b62584e3SDaniel Vetter * locks. 623b62584e3SDaniel Vetter * 624b62584e3SDaniel Vetter * Note that userspace could try to race with use and instate a new 625b62584e3SDaniel Vetter * usage _after_ we've cleared all current ones. End result will be an 626b62584e3SDaniel Vetter * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot 627b62584e3SDaniel Vetter * in this manner. 628b62584e3SDaniel Vetter */ 629b62584e3SDaniel Vetter if (atomic_read(&fb->refcount.refcount) > 1) { 630b62584e3SDaniel Vetter drm_modeset_lock_all(dev); 631f453ba04SDave Airlie /* remove from any CRTC */ 632f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 633f4510a27SMatt Roper if (crtc->primary->fb == fb) { 6345ef5f72fSDave Airlie /* should turn off the crtc */ 6355ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 6365ef5f72fSDave Airlie set.crtc = crtc; 6375ef5f72fSDave Airlie set.fb = NULL; 6382d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 6395ef5f72fSDave Airlie if (ret) 6405ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 6415ef5f72fSDave Airlie } 642f453ba04SDave Airlie } 643f453ba04SDave Airlie 6448cf5c917SJesse Barnes list_for_each_entry(plane, &dev->mode_config.plane_list, head) { 6459125e618SVille Syrjälä if (plane->fb == fb) 6469125e618SVille Syrjälä drm_plane_force_disable(plane); 6478cf5c917SJesse Barnes } 648b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 649b62584e3SDaniel Vetter } 6508cf5c917SJesse Barnes 651f7eff60eSRob Clark drm_framebuffer_unreference(fb); 652f453ba04SDave Airlie } 653f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 654f453ba04SDave Airlie 65551fd371bSRob Clark DEFINE_WW_CLASS(crtc_ww_class); 65651fd371bSRob Clark 657f453ba04SDave Airlie /** 658e13161afSMatt Roper * drm_crtc_init_with_planes - Initialise a new CRTC object with 659e13161afSMatt Roper * specified primary and cursor planes. 660f453ba04SDave Airlie * @dev: DRM device 661f453ba04SDave Airlie * @crtc: CRTC object to init 662e13161afSMatt Roper * @primary: Primary plane for CRTC 663e13161afSMatt Roper * @cursor: Cursor plane for CRTC 664f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 665f453ba04SDave Airlie * 666ad6f5c34SVille Syrjälä * Inits a new object created as base part of a driver crtc object. 6676bfc56aaSVille Syrjälä * 668c8e32cc1SDaniel Vetter * Returns: 6696bfc56aaSVille Syrjälä * Zero on success, error code on failure. 670f453ba04SDave Airlie */ 671e13161afSMatt Roper int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, 672e13161afSMatt Roper struct drm_plane *primary, 673fc1d3e44SMatt Roper struct drm_plane *cursor, 674f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 675f453ba04SDave Airlie { 67651fd371bSRob Clark struct drm_mode_config *config = &dev->mode_config; 6776bfc56aaSVille Syrjälä int ret; 6786bfc56aaSVille Syrjälä 679f453ba04SDave Airlie crtc->dev = dev; 680f453ba04SDave Airlie crtc->funcs = funcs; 6817c80e128SRob Clark crtc->invert_dimensions = false; 682f453ba04SDave Airlie 68351fd371bSRob Clark drm_modeset_lock_init(&crtc->mutex); 6846bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6856bfc56aaSVille Syrjälä if (ret) 686baf698b0SDaniel Vetter return ret; 687f453ba04SDave Airlie 688bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 689bffd9de0SPaulo Zanoni 69051fd371bSRob Clark list_add_tail(&crtc->head, &config->crtc_list); 69151fd371bSRob Clark config->num_crtc++; 6926bfc56aaSVille Syrjälä 693e13161afSMatt Roper crtc->primary = primary; 694fc1d3e44SMatt Roper crtc->cursor = cursor; 695e13161afSMatt Roper if (primary) 696e13161afSMatt Roper primary->possible_crtcs = 1 << drm_crtc_index(crtc); 697fc1d3e44SMatt Roper if (cursor) 698fc1d3e44SMatt Roper cursor->possible_crtcs = 1 << drm_crtc_index(crtc); 699e13161afSMatt Roper 700baf698b0SDaniel Vetter return 0; 701f453ba04SDave Airlie } 702e13161afSMatt Roper EXPORT_SYMBOL(drm_crtc_init_with_planes); 703f453ba04SDave Airlie 704f453ba04SDave Airlie /** 705ad6f5c34SVille Syrjälä * drm_crtc_cleanup - Clean up the core crtc usage 706f453ba04SDave Airlie * @crtc: CRTC to cleanup 707f453ba04SDave Airlie * 708ad6f5c34SVille Syrjälä * This function cleans up @crtc and removes it from the DRM mode setting 709ad6f5c34SVille Syrjälä * core. Note that the function does *not* free the crtc structure itself, 710ad6f5c34SVille Syrjälä * this is the responsibility of the caller. 711f453ba04SDave Airlie */ 712f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 713f453ba04SDave Airlie { 714f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 715f453ba04SDave Airlie 716f453ba04SDave Airlie kfree(crtc->gamma_store); 717f453ba04SDave Airlie crtc->gamma_store = NULL; 718f453ba04SDave Airlie 71951fd371bSRob Clark drm_modeset_lock_fini(&crtc->mutex); 72051fd371bSRob Clark 721f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 722f453ba04SDave Airlie list_del(&crtc->head); 723f453ba04SDave Airlie dev->mode_config.num_crtc--; 7243009c037SThierry Reding 7253009c037SThierry Reding WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); 7263009c037SThierry Reding if (crtc->state && crtc->funcs->atomic_destroy_state) 7273009c037SThierry Reding crtc->funcs->atomic_destroy_state(crtc, crtc->state); 728f453ba04SDave Airlie } 729f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 730f453ba04SDave Airlie 731f453ba04SDave Airlie /** 732db5f7a6eSRussell King * drm_crtc_index - find the index of a registered CRTC 733db5f7a6eSRussell King * @crtc: CRTC to find index for 734db5f7a6eSRussell King * 735db5f7a6eSRussell King * Given a registered CRTC, return the index of that CRTC within a DRM 736db5f7a6eSRussell King * device's list of CRTCs. 737db5f7a6eSRussell King */ 738db5f7a6eSRussell King unsigned int drm_crtc_index(struct drm_crtc *crtc) 739db5f7a6eSRussell King { 740db5f7a6eSRussell King unsigned int index = 0; 741db5f7a6eSRussell King struct drm_crtc *tmp; 742db5f7a6eSRussell King 743db5f7a6eSRussell King list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { 744db5f7a6eSRussell King if (tmp == crtc) 745db5f7a6eSRussell King return index; 746db5f7a6eSRussell King 747db5f7a6eSRussell King index++; 748db5f7a6eSRussell King } 749db5f7a6eSRussell King 750db5f7a6eSRussell King BUG(); 751db5f7a6eSRussell King } 752db5f7a6eSRussell King EXPORT_SYMBOL(drm_crtc_index); 753db5f7a6eSRussell King 75486f422d5SLespiau, Damien /* 755f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 756f453ba04SDave Airlie * @connector: connector list to modify 757f453ba04SDave Airlie * @mode: mode to remove 758f453ba04SDave Airlie * 759f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 760f453ba04SDave Airlie */ 76186f422d5SLespiau, Damien static void drm_mode_remove(struct drm_connector *connector, 762f453ba04SDave Airlie struct drm_display_mode *mode) 763f453ba04SDave Airlie { 764f453ba04SDave Airlie list_del(&mode->head); 765554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 766f453ba04SDave Airlie } 767f453ba04SDave Airlie 768f453ba04SDave Airlie /** 769eaf99c74SChris Wilson * drm_connector_get_cmdline_mode - reads the user's cmdline mode 770eaf99c74SChris Wilson * @connector: connector to quwery 771eaf99c74SChris Wilson * 772eaf99c74SChris Wilson * The kernel supports per-connector configration of its consoles through 773eaf99c74SChris Wilson * use of the video= parameter. This function parses that option and 774eaf99c74SChris Wilson * extracts the user's specified mode (or enable/disable status) for a 775eaf99c74SChris Wilson * particular connector. This is typically only used during the early fbdev 776eaf99c74SChris Wilson * setup. 777eaf99c74SChris Wilson */ 778eaf99c74SChris Wilson static void drm_connector_get_cmdline_mode(struct drm_connector *connector) 779eaf99c74SChris Wilson { 780eaf99c74SChris Wilson struct drm_cmdline_mode *mode = &connector->cmdline_mode; 781eaf99c74SChris Wilson char *option = NULL; 782eaf99c74SChris Wilson 783eaf99c74SChris Wilson if (fb_get_options(connector->name, &option)) 784eaf99c74SChris Wilson return; 785eaf99c74SChris Wilson 786eaf99c74SChris Wilson if (!drm_mode_parse_command_line_for_connector(option, 787eaf99c74SChris Wilson connector, 788eaf99c74SChris Wilson mode)) 789eaf99c74SChris Wilson return; 790eaf99c74SChris Wilson 791eaf99c74SChris Wilson if (mode->force) { 792eaf99c74SChris Wilson const char *s; 793eaf99c74SChris Wilson 794eaf99c74SChris Wilson switch (mode->force) { 795eaf99c74SChris Wilson case DRM_FORCE_OFF: 796eaf99c74SChris Wilson s = "OFF"; 797eaf99c74SChris Wilson break; 798eaf99c74SChris Wilson case DRM_FORCE_ON_DIGITAL: 799eaf99c74SChris Wilson s = "ON - dig"; 800eaf99c74SChris Wilson break; 801eaf99c74SChris Wilson default: 802eaf99c74SChris Wilson case DRM_FORCE_ON: 803eaf99c74SChris Wilson s = "ON"; 804eaf99c74SChris Wilson break; 805eaf99c74SChris Wilson } 806eaf99c74SChris Wilson 807eaf99c74SChris Wilson DRM_INFO("forcing %s connector %s\n", connector->name, s); 808eaf99c74SChris Wilson connector->force = mode->force; 809eaf99c74SChris Wilson } 810eaf99c74SChris Wilson 811eaf99c74SChris Wilson DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n", 812eaf99c74SChris Wilson connector->name, 813eaf99c74SChris Wilson mode->xres, mode->yres, 814eaf99c74SChris Wilson mode->refresh_specified ? mode->refresh : 60, 815eaf99c74SChris Wilson mode->rb ? " reduced blanking" : "", 816eaf99c74SChris Wilson mode->margins ? " with margins" : "", 817eaf99c74SChris Wilson mode->interlace ? " interlaced" : ""); 818eaf99c74SChris Wilson } 819eaf99c74SChris Wilson 820eaf99c74SChris Wilson /** 821f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 822f453ba04SDave Airlie * @dev: DRM device 823f453ba04SDave Airlie * @connector: the connector to init 824f453ba04SDave Airlie * @funcs: callbacks for this connector 825065a50edSDaniel Vetter * @connector_type: user visible type of the connector 826f453ba04SDave Airlie * 827f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 828f453ba04SDave Airlie * subclassed as part of driver connector objects. 8296bfc56aaSVille Syrjälä * 830c8e32cc1SDaniel Vetter * Returns: 8316bfc56aaSVille Syrjälä * Zero on success, error code on failure. 832f453ba04SDave Airlie */ 8336bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 834f453ba04SDave Airlie struct drm_connector *connector, 835f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 836f453ba04SDave Airlie int connector_type) 837f453ba04SDave Airlie { 8386bfc56aaSVille Syrjälä int ret; 839b21e3afeSIlia Mirkin struct ida *connector_ida = 840b21e3afeSIlia Mirkin &drm_connector_enum_list[connector_type].ida; 8416bfc56aaSVille Syrjälä 84284849903SDaniel Vetter drm_modeset_lock_all(dev); 843f453ba04SDave Airlie 8442ee39452SDave Airlie ret = drm_mode_object_get_reg(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR, false); 8456bfc56aaSVille Syrjälä if (ret) 8462abdd313SJani Nikula goto out_unlock; 8476bfc56aaSVille Syrjälä 8487e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 849f453ba04SDave Airlie connector->dev = dev; 850f453ba04SDave Airlie connector->funcs = funcs; 851f453ba04SDave Airlie connector->connector_type = connector_type; 852f453ba04SDave Airlie connector->connector_type_id = 853b21e3afeSIlia Mirkin ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); 854b21e3afeSIlia Mirkin if (connector->connector_type_id < 0) { 855b21e3afeSIlia Mirkin ret = connector->connector_type_id; 8562abdd313SJani Nikula goto out_put; 857b21e3afeSIlia Mirkin } 8582abdd313SJani Nikula connector->name = 8592abdd313SJani Nikula kasprintf(GFP_KERNEL, "%s-%d", 8602abdd313SJani Nikula drm_connector_enum_list[connector_type].name, 8612abdd313SJani Nikula connector->connector_type_id); 8622abdd313SJani Nikula if (!connector->name) { 8632abdd313SJani Nikula ret = -ENOMEM; 8642abdd313SJani Nikula goto out_put; 8652abdd313SJani Nikula } 8662abdd313SJani Nikula 867f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 868f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 869f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 8705e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 871f453ba04SDave Airlie 872eaf99c74SChris Wilson drm_connector_get_cmdline_mode(connector); 873eaf99c74SChris Wilson 874c7eb76f4SDaniel Vetter /* We should add connectors at the end to avoid upsetting the connector 875c7eb76f4SDaniel Vetter * index too much. */ 876f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 877f453ba04SDave Airlie dev->mode_config.num_connector++; 878f453ba04SDave Airlie 879a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 88058495563SRob Clark drm_object_attach_property(&connector->base, 881a7331e5cSThomas Hellstrom dev->mode_config.edid_property, 882a7331e5cSThomas Hellstrom 0); 883f453ba04SDave Airlie 88458495563SRob Clark drm_object_attach_property(&connector->base, 885f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 886f453ba04SDave Airlie 88730f65707SThomas Wood connector->debugfs_entry = NULL; 88830f65707SThomas Wood 8892abdd313SJani Nikula out_put: 8902abdd313SJani Nikula if (ret) 8912abdd313SJani Nikula drm_mode_object_put(dev, &connector->base); 8922abdd313SJani Nikula 8932abdd313SJani Nikula out_unlock: 89484849903SDaniel Vetter drm_modeset_unlock_all(dev); 8956bfc56aaSVille Syrjälä 8966bfc56aaSVille Syrjälä return ret; 897f453ba04SDave Airlie } 898f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 899f453ba04SDave Airlie 900f453ba04SDave Airlie /** 901f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 902f453ba04SDave Airlie * @connector: connector to cleanup 903f453ba04SDave Airlie * 904f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 905f453ba04SDave Airlie */ 906f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 907f453ba04SDave Airlie { 908f453ba04SDave Airlie struct drm_device *dev = connector->dev; 909f453ba04SDave Airlie struct drm_display_mode *mode, *t; 910f453ba04SDave Airlie 911f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 912f453ba04SDave Airlie drm_mode_remove(connector, mode); 913f453ba04SDave Airlie 914f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 915f453ba04SDave Airlie drm_mode_remove(connector, mode); 916f453ba04SDave Airlie 917b21e3afeSIlia Mirkin ida_remove(&drm_connector_enum_list[connector->connector_type].ida, 918b21e3afeSIlia Mirkin connector->connector_type_id); 919b21e3afeSIlia Mirkin 920f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 9212abdd313SJani Nikula kfree(connector->name); 9222abdd313SJani Nikula connector->name = NULL; 923f453ba04SDave Airlie list_del(&connector->head); 9246380c509SJoonyoung Shim dev->mode_config.num_connector--; 9253009c037SThierry Reding 9263009c037SThierry Reding WARN_ON(connector->state && !connector->funcs->atomic_destroy_state); 9273009c037SThierry Reding if (connector->state && connector->funcs->atomic_destroy_state) 9283009c037SThierry Reding connector->funcs->atomic_destroy_state(connector, 9293009c037SThierry Reding connector->state); 930f453ba04SDave Airlie } 931f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 932f453ba04SDave Airlie 933c8e32cc1SDaniel Vetter /** 93410f637bfSDaniel Vetter * drm_connector_index - find the index of a registered connector 93510f637bfSDaniel Vetter * @connector: connector to find index for 93610f637bfSDaniel Vetter * 93710f637bfSDaniel Vetter * Given a registered connector, return the index of that connector within a DRM 93810f637bfSDaniel Vetter * device's list of connectors. 93910f637bfSDaniel Vetter */ 94010f637bfSDaniel Vetter unsigned int drm_connector_index(struct drm_connector *connector) 94110f637bfSDaniel Vetter { 94210f637bfSDaniel Vetter unsigned int index = 0; 94310f637bfSDaniel Vetter struct drm_connector *tmp; 944c7eb76f4SDaniel Vetter struct drm_mode_config *config = &connector->dev->mode_config; 945c7eb76f4SDaniel Vetter 946c7eb76f4SDaniel Vetter WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); 94710f637bfSDaniel Vetter 94810f637bfSDaniel Vetter list_for_each_entry(tmp, &connector->dev->mode_config.connector_list, head) { 94910f637bfSDaniel Vetter if (tmp == connector) 95010f637bfSDaniel Vetter return index; 95110f637bfSDaniel Vetter 95210f637bfSDaniel Vetter index++; 95310f637bfSDaniel Vetter } 95410f637bfSDaniel Vetter 95510f637bfSDaniel Vetter BUG(); 95610f637bfSDaniel Vetter } 95710f637bfSDaniel Vetter EXPORT_SYMBOL(drm_connector_index); 95810f637bfSDaniel Vetter 95910f637bfSDaniel Vetter /** 96034ea3d38SThomas Wood * drm_connector_register - register a connector 96134ea3d38SThomas Wood * @connector: the connector to register 96234ea3d38SThomas Wood * 96334ea3d38SThomas Wood * Register userspace interfaces for a connector 96434ea3d38SThomas Wood * 96534ea3d38SThomas Wood * Returns: 96634ea3d38SThomas Wood * Zero on success, error code on failure. 96734ea3d38SThomas Wood */ 96834ea3d38SThomas Wood int drm_connector_register(struct drm_connector *connector) 96934ea3d38SThomas Wood { 97030f65707SThomas Wood int ret; 97130f65707SThomas Wood 9722ee39452SDave Airlie drm_mode_object_register(connector->dev, &connector->base); 9732ee39452SDave Airlie 97430f65707SThomas Wood ret = drm_sysfs_connector_add(connector); 97530f65707SThomas Wood if (ret) 97630f65707SThomas Wood return ret; 97730f65707SThomas Wood 97830f65707SThomas Wood ret = drm_debugfs_connector_add(connector); 97930f65707SThomas Wood if (ret) { 98030f65707SThomas Wood drm_sysfs_connector_remove(connector); 98130f65707SThomas Wood return ret; 98230f65707SThomas Wood } 98330f65707SThomas Wood 98430f65707SThomas Wood return 0; 98534ea3d38SThomas Wood } 98634ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_register); 98734ea3d38SThomas Wood 98834ea3d38SThomas Wood /** 98934ea3d38SThomas Wood * drm_connector_unregister - unregister a connector 99034ea3d38SThomas Wood * @connector: the connector to unregister 99134ea3d38SThomas Wood * 99234ea3d38SThomas Wood * Unregister userspace interfaces for a connector 99334ea3d38SThomas Wood */ 99434ea3d38SThomas Wood void drm_connector_unregister(struct drm_connector *connector) 99534ea3d38SThomas Wood { 99634ea3d38SThomas Wood drm_sysfs_connector_remove(connector); 99730f65707SThomas Wood drm_debugfs_connector_remove(connector); 99834ea3d38SThomas Wood } 99934ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_unregister); 100034ea3d38SThomas Wood 100134ea3d38SThomas Wood 100234ea3d38SThomas Wood /** 1003c8e32cc1SDaniel Vetter * drm_connector_unplug_all - unregister connector userspace interfaces 1004c8e32cc1SDaniel Vetter * @dev: drm device 1005c8e32cc1SDaniel Vetter * 1006c8e32cc1SDaniel Vetter * This function unregisters all connector userspace interfaces in sysfs. Should 1007c8e32cc1SDaniel Vetter * be call when the device is disconnected, e.g. from an usb driver's 1008c8e32cc1SDaniel Vetter * ->disconnect callback. 1009c8e32cc1SDaniel Vetter */ 1010cbc7e221SDave Airlie void drm_connector_unplug_all(struct drm_device *dev) 1011cbc7e221SDave Airlie { 1012cbc7e221SDave Airlie struct drm_connector *connector; 1013cbc7e221SDave Airlie 1014cbc7e221SDave Airlie /* taking the mode config mutex ends up in a clash with sysfs */ 1015cbc7e221SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 101634ea3d38SThomas Wood drm_connector_unregister(connector); 1017cbc7e221SDave Airlie 1018cbc7e221SDave Airlie } 1019cbc7e221SDave Airlie EXPORT_SYMBOL(drm_connector_unplug_all); 1020cbc7e221SDave Airlie 1021c8e32cc1SDaniel Vetter /** 1022c8e32cc1SDaniel Vetter * drm_bridge_init - initialize a drm transcoder/bridge 1023c8e32cc1SDaniel Vetter * @dev: drm device 1024c8e32cc1SDaniel Vetter * @bridge: transcoder/bridge to set up 1025c8e32cc1SDaniel Vetter * @funcs: bridge function table 1026c8e32cc1SDaniel Vetter * 1027c8e32cc1SDaniel Vetter * Initialises a preallocated bridge. Bridges should be 1028c8e32cc1SDaniel Vetter * subclassed as part of driver connector objects. 1029c8e32cc1SDaniel Vetter * 1030c8e32cc1SDaniel Vetter * Returns: 1031c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 1032c8e32cc1SDaniel Vetter */ 10333b336ec4SSean Paul int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge, 10343b336ec4SSean Paul const struct drm_bridge_funcs *funcs) 10353b336ec4SSean Paul { 10363b336ec4SSean Paul int ret; 10373b336ec4SSean Paul 10383b336ec4SSean Paul drm_modeset_lock_all(dev); 10393b336ec4SSean Paul 10403b336ec4SSean Paul ret = drm_mode_object_get(dev, &bridge->base, DRM_MODE_OBJECT_BRIDGE); 10413b336ec4SSean Paul if (ret) 10423b336ec4SSean Paul goto out; 10433b336ec4SSean Paul 10443b336ec4SSean Paul bridge->dev = dev; 10453b336ec4SSean Paul bridge->funcs = funcs; 10463b336ec4SSean Paul 10473b336ec4SSean Paul list_add_tail(&bridge->head, &dev->mode_config.bridge_list); 10483b336ec4SSean Paul dev->mode_config.num_bridge++; 10493b336ec4SSean Paul 10503b336ec4SSean Paul out: 10513b336ec4SSean Paul drm_modeset_unlock_all(dev); 10523b336ec4SSean Paul return ret; 10533b336ec4SSean Paul } 10543b336ec4SSean Paul EXPORT_SYMBOL(drm_bridge_init); 10553b336ec4SSean Paul 1056c8e32cc1SDaniel Vetter /** 1057c8e32cc1SDaniel Vetter * drm_bridge_cleanup - cleans up an initialised bridge 1058c8e32cc1SDaniel Vetter * @bridge: bridge to cleanup 1059c8e32cc1SDaniel Vetter * 1060c8e32cc1SDaniel Vetter * Cleans up the bridge but doesn't free the object. 1061c8e32cc1SDaniel Vetter */ 10623b336ec4SSean Paul void drm_bridge_cleanup(struct drm_bridge *bridge) 10633b336ec4SSean Paul { 10643b336ec4SSean Paul struct drm_device *dev = bridge->dev; 10653b336ec4SSean Paul 10663b336ec4SSean Paul drm_modeset_lock_all(dev); 10673b336ec4SSean Paul drm_mode_object_put(dev, &bridge->base); 10683b336ec4SSean Paul list_del(&bridge->head); 10693b336ec4SSean Paul dev->mode_config.num_bridge--; 10703b336ec4SSean Paul drm_modeset_unlock_all(dev); 10713b336ec4SSean Paul } 10723b336ec4SSean Paul EXPORT_SYMBOL(drm_bridge_cleanup); 10733b336ec4SSean Paul 1074c8e32cc1SDaniel Vetter /** 1075c8e32cc1SDaniel Vetter * drm_encoder_init - Init a preallocated encoder 1076c8e32cc1SDaniel Vetter * @dev: drm device 1077c8e32cc1SDaniel Vetter * @encoder: the encoder to init 1078c8e32cc1SDaniel Vetter * @funcs: callbacks for this encoder 1079c8e32cc1SDaniel Vetter * @encoder_type: user visible type of the encoder 1080c8e32cc1SDaniel Vetter * 1081c8e32cc1SDaniel Vetter * Initialises a preallocated encoder. Encoder should be 1082c8e32cc1SDaniel Vetter * subclassed as part of driver encoder objects. 1083c8e32cc1SDaniel Vetter * 1084c8e32cc1SDaniel Vetter * Returns: 1085c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 1086c8e32cc1SDaniel Vetter */ 10876bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 1088f453ba04SDave Airlie struct drm_encoder *encoder, 1089f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 1090f453ba04SDave Airlie int encoder_type) 1091f453ba04SDave Airlie { 10926bfc56aaSVille Syrjälä int ret; 10936bfc56aaSVille Syrjälä 109484849903SDaniel Vetter drm_modeset_lock_all(dev); 1095f453ba04SDave Airlie 10966bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 10976bfc56aaSVille Syrjälä if (ret) 1098e5748946SJani Nikula goto out_unlock; 1099f453ba04SDave Airlie 11006bfc56aaSVille Syrjälä encoder->dev = dev; 1101f453ba04SDave Airlie encoder->encoder_type = encoder_type; 1102f453ba04SDave Airlie encoder->funcs = funcs; 1103e5748946SJani Nikula encoder->name = kasprintf(GFP_KERNEL, "%s-%d", 1104e5748946SJani Nikula drm_encoder_enum_list[encoder_type].name, 1105e5748946SJani Nikula encoder->base.id); 1106e5748946SJani Nikula if (!encoder->name) { 1107e5748946SJani Nikula ret = -ENOMEM; 1108e5748946SJani Nikula goto out_put; 1109e5748946SJani Nikula } 1110f453ba04SDave Airlie 1111f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 1112f453ba04SDave Airlie dev->mode_config.num_encoder++; 1113f453ba04SDave Airlie 1114e5748946SJani Nikula out_put: 1115e5748946SJani Nikula if (ret) 1116e5748946SJani Nikula drm_mode_object_put(dev, &encoder->base); 1117e5748946SJani Nikula 1118e5748946SJani Nikula out_unlock: 111984849903SDaniel Vetter drm_modeset_unlock_all(dev); 11206bfc56aaSVille Syrjälä 11216bfc56aaSVille Syrjälä return ret; 1122f453ba04SDave Airlie } 1123f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 1124f453ba04SDave Airlie 1125c8e32cc1SDaniel Vetter /** 1126c8e32cc1SDaniel Vetter * drm_encoder_cleanup - cleans up an initialised encoder 1127c8e32cc1SDaniel Vetter * @encoder: encoder to cleanup 1128c8e32cc1SDaniel Vetter * 1129c8e32cc1SDaniel Vetter * Cleans up the encoder but doesn't free the object. 1130c8e32cc1SDaniel Vetter */ 1131f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 1132f453ba04SDave Airlie { 1133f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 113484849903SDaniel Vetter drm_modeset_lock_all(dev); 1135f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 1136e5748946SJani Nikula kfree(encoder->name); 1137e5748946SJani Nikula encoder->name = NULL; 1138f453ba04SDave Airlie list_del(&encoder->head); 11396380c509SJoonyoung Shim dev->mode_config.num_encoder--; 114084849903SDaniel Vetter drm_modeset_unlock_all(dev); 1141f453ba04SDave Airlie } 1142f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 1143f453ba04SDave Airlie 114435f2c3aeSVille Syrjälä /** 1145dc415ff9SMatt Roper * drm_universal_plane_init - Initialize a new universal plane object 114635f2c3aeSVille Syrjälä * @dev: DRM device 114735f2c3aeSVille Syrjälä * @plane: plane object to init 114835f2c3aeSVille Syrjälä * @possible_crtcs: bitmask of possible CRTCs 114935f2c3aeSVille Syrjälä * @funcs: callbacks for the new plane 115035f2c3aeSVille Syrjälä * @formats: array of supported formats (%DRM_FORMAT_*) 115135f2c3aeSVille Syrjälä * @format_count: number of elements in @formats 1152dc415ff9SMatt Roper * @type: type of plane (overlay, primary, cursor) 115335f2c3aeSVille Syrjälä * 1154dc415ff9SMatt Roper * Initializes a plane object of type @type. 115535f2c3aeSVille Syrjälä * 1156c8e32cc1SDaniel Vetter * Returns: 115735f2c3aeSVille Syrjälä * Zero on success, error code on failure. 115835f2c3aeSVille Syrjälä */ 1159dc415ff9SMatt Roper int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, 11608cf5c917SJesse Barnes unsigned long possible_crtcs, 11618cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 11620a7eb243SRob Clark const uint32_t *formats, uint32_t format_count, 1163dc415ff9SMatt Roper enum drm_plane_type type) 11648cf5c917SJesse Barnes { 11656bfc56aaSVille Syrjälä int ret; 11666bfc56aaSVille Syrjälä 11676bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 11686bfc56aaSVille Syrjälä if (ret) 1169baf698b0SDaniel Vetter return ret; 11706bfc56aaSVille Syrjälä 11714d02e2deSDaniel Vetter drm_modeset_lock_init(&plane->mutex); 11724d02e2deSDaniel Vetter 11734d93914aSRob Clark plane->base.properties = &plane->properties; 11748cf5c917SJesse Barnes plane->dev = dev; 11758cf5c917SJesse Barnes plane->funcs = funcs; 11768cf5c917SJesse Barnes plane->format_types = kmalloc(sizeof(uint32_t) * format_count, 11778cf5c917SJesse Barnes GFP_KERNEL); 11788cf5c917SJesse Barnes if (!plane->format_types) { 11798cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 11808cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 1181baf698b0SDaniel Vetter return -ENOMEM; 11828cf5c917SJesse Barnes } 11838cf5c917SJesse Barnes 1184308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 11858cf5c917SJesse Barnes plane->format_count = format_count; 11868cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 1187dc415ff9SMatt Roper plane->type = type; 11888cf5c917SJesse Barnes 11898cf5c917SJesse Barnes list_add_tail(&plane->head, &dev->mode_config.plane_list); 1190e27dde3eSMatt Roper dev->mode_config.num_total_plane++; 1191e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 1192e27dde3eSMatt Roper dev->mode_config.num_overlay_plane++; 11938cf5c917SJesse Barnes 11949922ab5aSRob Clark drm_object_attach_property(&plane->base, 11959922ab5aSRob Clark dev->mode_config.plane_type_property, 11969922ab5aSRob Clark plane->type); 11979922ab5aSRob Clark 1198baf698b0SDaniel Vetter return 0; 11998cf5c917SJesse Barnes } 1200dc415ff9SMatt Roper EXPORT_SYMBOL(drm_universal_plane_init); 1201dc415ff9SMatt Roper 1202dc415ff9SMatt Roper /** 1203dc415ff9SMatt Roper * drm_plane_init - Initialize a legacy plane 1204dc415ff9SMatt Roper * @dev: DRM device 1205dc415ff9SMatt Roper * @plane: plane object to init 1206dc415ff9SMatt Roper * @possible_crtcs: bitmask of possible CRTCs 1207dc415ff9SMatt Roper * @funcs: callbacks for the new plane 1208dc415ff9SMatt Roper * @formats: array of supported formats (%DRM_FORMAT_*) 1209dc415ff9SMatt Roper * @format_count: number of elements in @formats 1210dc415ff9SMatt Roper * @is_primary: plane type (primary vs overlay) 1211dc415ff9SMatt Roper * 1212dc415ff9SMatt Roper * Legacy API to initialize a DRM plane. 1213dc415ff9SMatt Roper * 1214dc415ff9SMatt Roper * New drivers should call drm_universal_plane_init() instead. 1215dc415ff9SMatt Roper * 1216dc415ff9SMatt Roper * Returns: 1217dc415ff9SMatt Roper * Zero on success, error code on failure. 1218dc415ff9SMatt Roper */ 1219dc415ff9SMatt Roper int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 1220dc415ff9SMatt Roper unsigned long possible_crtcs, 1221dc415ff9SMatt Roper const struct drm_plane_funcs *funcs, 1222dc415ff9SMatt Roper const uint32_t *formats, uint32_t format_count, 1223dc415ff9SMatt Roper bool is_primary) 1224dc415ff9SMatt Roper { 1225dc415ff9SMatt Roper enum drm_plane_type type; 1226dc415ff9SMatt Roper 1227dc415ff9SMatt Roper type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; 1228dc415ff9SMatt Roper return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, 1229dc415ff9SMatt Roper formats, format_count, type); 1230dc415ff9SMatt Roper } 12318cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 12328cf5c917SJesse Barnes 123335f2c3aeSVille Syrjälä /** 123435f2c3aeSVille Syrjälä * drm_plane_cleanup - Clean up the core plane usage 123535f2c3aeSVille Syrjälä * @plane: plane to cleanup 123635f2c3aeSVille Syrjälä * 123735f2c3aeSVille Syrjälä * This function cleans up @plane and removes it from the DRM mode setting 123835f2c3aeSVille Syrjälä * core. Note that the function does *not* free the plane structure itself, 123935f2c3aeSVille Syrjälä * this is the responsibility of the caller. 124035f2c3aeSVille Syrjälä */ 12418cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 12428cf5c917SJesse Barnes { 12438cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 12448cf5c917SJesse Barnes 124584849903SDaniel Vetter drm_modeset_lock_all(dev); 12468cf5c917SJesse Barnes kfree(plane->format_types); 12478cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 1248dc415ff9SMatt Roper 1249dc415ff9SMatt Roper BUG_ON(list_empty(&plane->head)); 1250dc415ff9SMatt Roper 12518cf5c917SJesse Barnes list_del(&plane->head); 1252e27dde3eSMatt Roper dev->mode_config.num_total_plane--; 1253e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 1254e27dde3eSMatt Roper dev->mode_config.num_overlay_plane--; 125584849903SDaniel Vetter drm_modeset_unlock_all(dev); 12563009c037SThierry Reding 12573009c037SThierry Reding WARN_ON(plane->state && !plane->funcs->atomic_destroy_state); 12583009c037SThierry Reding if (plane->state && plane->funcs->atomic_destroy_state) 12593009c037SThierry Reding plane->funcs->atomic_destroy_state(plane, plane->state); 12608cf5c917SJesse Barnes } 12618cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 12628cf5c917SJesse Barnes 126335f2c3aeSVille Syrjälä /** 126410f637bfSDaniel Vetter * drm_plane_index - find the index of a registered plane 126510f637bfSDaniel Vetter * @plane: plane to find index for 126610f637bfSDaniel Vetter * 126710f637bfSDaniel Vetter * Given a registered plane, return the index of that CRTC within a DRM 126810f637bfSDaniel Vetter * device's list of planes. 126910f637bfSDaniel Vetter */ 127010f637bfSDaniel Vetter unsigned int drm_plane_index(struct drm_plane *plane) 127110f637bfSDaniel Vetter { 127210f637bfSDaniel Vetter unsigned int index = 0; 127310f637bfSDaniel Vetter struct drm_plane *tmp; 127410f637bfSDaniel Vetter 127510f637bfSDaniel Vetter list_for_each_entry(tmp, &plane->dev->mode_config.plane_list, head) { 127610f637bfSDaniel Vetter if (tmp == plane) 127710f637bfSDaniel Vetter return index; 127810f637bfSDaniel Vetter 127910f637bfSDaniel Vetter index++; 128010f637bfSDaniel Vetter } 128110f637bfSDaniel Vetter 128210f637bfSDaniel Vetter BUG(); 128310f637bfSDaniel Vetter } 128410f637bfSDaniel Vetter EXPORT_SYMBOL(drm_plane_index); 128510f637bfSDaniel Vetter 128610f637bfSDaniel Vetter /** 128735f2c3aeSVille Syrjälä * drm_plane_force_disable - Forcibly disable a plane 128835f2c3aeSVille Syrjälä * @plane: plane to disable 128935f2c3aeSVille Syrjälä * 129035f2c3aeSVille Syrjälä * Forces the plane to be disabled. 129135f2c3aeSVille Syrjälä * 129235f2c3aeSVille Syrjälä * Used when the plane's current framebuffer is destroyed, 129335f2c3aeSVille Syrjälä * and when restoring fbdev mode. 129435f2c3aeSVille Syrjälä */ 12959125e618SVille Syrjälä void drm_plane_force_disable(struct drm_plane *plane) 12969125e618SVille Syrjälä { 12979125e618SVille Syrjälä int ret; 12989125e618SVille Syrjälä 12993d30a59bSDaniel Vetter if (!plane->fb) 13009125e618SVille Syrjälä return; 13019125e618SVille Syrjälä 13023d30a59bSDaniel Vetter plane->old_fb = plane->fb; 13039125e618SVille Syrjälä ret = plane->funcs->disable_plane(plane); 1304731cce48SDaniel Vetter if (ret) { 13059125e618SVille Syrjälä DRM_ERROR("failed to disable plane with busy fb\n"); 13063d30a59bSDaniel Vetter plane->old_fb = NULL; 1307731cce48SDaniel Vetter return; 1308731cce48SDaniel Vetter } 13099125e618SVille Syrjälä /* disconnect the plane from the fb and crtc: */ 13103d30a59bSDaniel Vetter __drm_framebuffer_unreference(plane->old_fb); 13113d30a59bSDaniel Vetter plane->old_fb = NULL; 13129125e618SVille Syrjälä plane->fb = NULL; 13139125e618SVille Syrjälä plane->crtc = NULL; 13149125e618SVille Syrjälä } 13159125e618SVille Syrjälä EXPORT_SYMBOL(drm_plane_force_disable); 13169125e618SVille Syrjälä 1317f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 1318f453ba04SDave Airlie { 1319f453ba04SDave Airlie struct drm_property *edid; 1320f453ba04SDave Airlie struct drm_property *dpms; 132143aba7ebSDave Airlie struct drm_property *dev_path; 1322f453ba04SDave Airlie 1323f453ba04SDave Airlie /* 1324f453ba04SDave Airlie * Standard properties (apply to all connectors) 1325f453ba04SDave Airlie */ 1326f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 1327f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 1328f453ba04SDave Airlie "EDID", 0); 1329f453ba04SDave Airlie dev->mode_config.edid_property = edid; 1330f453ba04SDave Airlie 13314a67d391SSascha Hauer dpms = drm_property_create_enum(dev, 0, 13324a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 13334a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 1334f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 1335f453ba04SDave Airlie 133643aba7ebSDave Airlie dev_path = drm_property_create(dev, 133743aba7ebSDave Airlie DRM_MODE_PROP_BLOB | 133843aba7ebSDave Airlie DRM_MODE_PROP_IMMUTABLE, 133943aba7ebSDave Airlie "PATH", 0); 134043aba7ebSDave Airlie dev->mode_config.path_property = dev_path; 134143aba7ebSDave Airlie 1342f453ba04SDave Airlie return 0; 1343f453ba04SDave Airlie } 1344f453ba04SDave Airlie 13459922ab5aSRob Clark static int drm_mode_create_standard_plane_properties(struct drm_device *dev) 13469922ab5aSRob Clark { 13479922ab5aSRob Clark struct drm_property *type; 13489922ab5aSRob Clark 13499922ab5aSRob Clark /* 13509922ab5aSRob Clark * Standard properties (apply to all planes) 13519922ab5aSRob Clark */ 13529922ab5aSRob Clark type = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 13539922ab5aSRob Clark "type", drm_plane_type_enum_list, 13549922ab5aSRob Clark ARRAY_SIZE(drm_plane_type_enum_list)); 13559922ab5aSRob Clark dev->mode_config.plane_type_property = type; 13569922ab5aSRob Clark 13579922ab5aSRob Clark return 0; 13589922ab5aSRob Clark } 13599922ab5aSRob Clark 1360f453ba04SDave Airlie /** 1361f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 1362f453ba04SDave Airlie * @dev: DRM device 1363f453ba04SDave Airlie * 1364f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 1365f453ba04SDave Airlie */ 1366f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 1367f453ba04SDave Airlie { 1368f453ba04SDave Airlie struct drm_property *dvi_i_selector; 1369f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 1370f453ba04SDave Airlie 1371f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 1372f453ba04SDave Airlie return 0; 1373f453ba04SDave Airlie 1374f453ba04SDave Airlie dvi_i_selector = 13754a67d391SSascha Hauer drm_property_create_enum(dev, 0, 1376f453ba04SDave Airlie "select subconnector", 13774a67d391SSascha Hauer drm_dvi_i_select_enum_list, 1378f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 1379f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 1380f453ba04SDave Airlie 13814a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1382f453ba04SDave Airlie "subconnector", 13834a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 1384f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 1385f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 1386f453ba04SDave Airlie 1387f453ba04SDave Airlie return 0; 1388f453ba04SDave Airlie } 1389f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 1390f453ba04SDave Airlie 1391f453ba04SDave Airlie /** 1392f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 1393f453ba04SDave Airlie * @dev: DRM device 1394f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 1395f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 1396f453ba04SDave Airlie * 1397f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 1398f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 1399f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 1400f453ba04SDave Airlie * this routine. 1401f453ba04SDave Airlie */ 14022f763312SThierry Reding int drm_mode_create_tv_properties(struct drm_device *dev, 14032f763312SThierry Reding unsigned int num_modes, 1404f453ba04SDave Airlie char *modes[]) 1405f453ba04SDave Airlie { 1406f453ba04SDave Airlie struct drm_property *tv_selector; 1407f453ba04SDave Airlie struct drm_property *tv_subconnector; 14082f763312SThierry Reding unsigned int i; 1409f453ba04SDave Airlie 1410f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 1411f453ba04SDave Airlie return 0; 1412f453ba04SDave Airlie 1413f453ba04SDave Airlie /* 1414f453ba04SDave Airlie * Basic connector properties 1415f453ba04SDave Airlie */ 14164a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 1417f453ba04SDave Airlie "select subconnector", 14184a67d391SSascha Hauer drm_tv_select_enum_list, 1419f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 1420f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 1421f453ba04SDave Airlie 1422f453ba04SDave Airlie tv_subconnector = 14234a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 14244a67d391SSascha Hauer "subconnector", 14254a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1426f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 1427f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1428f453ba04SDave Airlie 1429f453ba04SDave Airlie /* 1430f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1431f453ba04SDave Airlie */ 1432f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1433d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 1434f453ba04SDave Airlie 1435f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1436d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 1437f453ba04SDave Airlie 1438f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1439d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 1440f453ba04SDave Airlie 1441f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1442d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 1443f453ba04SDave Airlie 1444f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1445f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1446f453ba04SDave Airlie "mode", num_modes); 1447f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1448f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1449f453ba04SDave Airlie i, modes[i]); 1450f453ba04SDave Airlie 1451b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1452d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 1453b6b7902eSFrancisco Jerez 1454b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1455d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 1456b6b7902eSFrancisco Jerez 1457b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1458d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 1459b6b7902eSFrancisco Jerez 1460a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1461d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 1462a75f0236SFrancisco Jerez 1463a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1464d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 1465a75f0236SFrancisco Jerez 1466a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1467d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 1468a75f0236SFrancisco Jerez 1469f453ba04SDave Airlie return 0; 1470f453ba04SDave Airlie } 1471f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1472f453ba04SDave Airlie 1473f453ba04SDave Airlie /** 1474f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1475f453ba04SDave Airlie * @dev: DRM device 1476f453ba04SDave Airlie * 1477f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1478f453ba04SDave Airlie * connectors. 1479f453ba04SDave Airlie */ 1480f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1481f453ba04SDave Airlie { 1482f453ba04SDave Airlie struct drm_property *scaling_mode; 1483f453ba04SDave Airlie 1484f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1485f453ba04SDave Airlie return 0; 1486f453ba04SDave Airlie 1487f453ba04SDave Airlie scaling_mode = 14884a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 14894a67d391SSascha Hauer drm_scaling_mode_enum_list, 1490f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1491f453ba04SDave Airlie 1492f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1493f453ba04SDave Airlie 1494f453ba04SDave Airlie return 0; 1495f453ba04SDave Airlie } 1496f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1497f453ba04SDave Airlie 1498f453ba04SDave Airlie /** 1499ff587e45SVandana Kannan * drm_mode_create_aspect_ratio_property - create aspect ratio property 1500ff587e45SVandana Kannan * @dev: DRM device 1501ff587e45SVandana Kannan * 1502ff587e45SVandana Kannan * Called by a driver the first time it's needed, must be attached to desired 1503ff587e45SVandana Kannan * connectors. 1504ff587e45SVandana Kannan * 1505ff587e45SVandana Kannan * Returns: 15061a498633SDaniel Vetter * Zero on success, negative errno on failure. 1507ff587e45SVandana Kannan */ 1508ff587e45SVandana Kannan int drm_mode_create_aspect_ratio_property(struct drm_device *dev) 1509ff587e45SVandana Kannan { 1510ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property) 1511ff587e45SVandana Kannan return 0; 1512ff587e45SVandana Kannan 1513ff587e45SVandana Kannan dev->mode_config.aspect_ratio_property = 1514ff587e45SVandana Kannan drm_property_create_enum(dev, 0, "aspect ratio", 1515ff587e45SVandana Kannan drm_aspect_ratio_enum_list, 1516ff587e45SVandana Kannan ARRAY_SIZE(drm_aspect_ratio_enum_list)); 1517ff587e45SVandana Kannan 1518ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property == NULL) 1519ff587e45SVandana Kannan return -ENOMEM; 1520ff587e45SVandana Kannan 1521ff587e45SVandana Kannan return 0; 1522ff587e45SVandana Kannan } 1523ff587e45SVandana Kannan EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); 1524ff587e45SVandana Kannan 1525ff587e45SVandana Kannan /** 1526884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1527884840aaSJakob Bornecrantz * @dev: DRM device 1528884840aaSJakob Bornecrantz * 1529884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1530884840aaSJakob Bornecrantz * connectors. 1531884840aaSJakob Bornecrantz */ 1532884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1533884840aaSJakob Bornecrantz { 1534884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1535884840aaSJakob Bornecrantz 1536884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1537884840aaSJakob Bornecrantz return 0; 1538884840aaSJakob Bornecrantz 1539884840aaSJakob Bornecrantz dirty_info = 15404a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1541884840aaSJakob Bornecrantz "dirty", 15424a67d391SSascha Hauer drm_dirty_info_enum_list, 1543884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1544884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1545884840aaSJakob Bornecrantz 1546884840aaSJakob Bornecrantz return 0; 1547884840aaSJakob Bornecrantz } 1548884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1549884840aaSJakob Bornecrantz 15505bb2bbf5SDave Airlie /** 15515bb2bbf5SDave Airlie * drm_mode_create_suggested_offset_properties - create suggests offset properties 15525bb2bbf5SDave Airlie * @dev: DRM device 15535bb2bbf5SDave Airlie * 15545bb2bbf5SDave Airlie * Create the the suggested x/y offset property for connectors. 15555bb2bbf5SDave Airlie */ 15565bb2bbf5SDave Airlie int drm_mode_create_suggested_offset_properties(struct drm_device *dev) 15575bb2bbf5SDave Airlie { 15585bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property) 15595bb2bbf5SDave Airlie return 0; 15605bb2bbf5SDave Airlie 15615bb2bbf5SDave Airlie dev->mode_config.suggested_x_property = 15625bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff); 15635bb2bbf5SDave Airlie 15645bb2bbf5SDave Airlie dev->mode_config.suggested_y_property = 15655bb2bbf5SDave Airlie drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff); 15665bb2bbf5SDave Airlie 15675bb2bbf5SDave Airlie if (dev->mode_config.suggested_x_property == NULL || 15685bb2bbf5SDave Airlie dev->mode_config.suggested_y_property == NULL) 15695bb2bbf5SDave Airlie return -ENOMEM; 15705bb2bbf5SDave Airlie return 0; 15715bb2bbf5SDave Airlie } 15725bb2bbf5SDave Airlie EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties); 15735bb2bbf5SDave Airlie 1574ea9cbb06SVille Syrjälä static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 1575f453ba04SDave Airlie { 1576f453ba04SDave Airlie uint32_t total_objects = 0; 1577f453ba04SDave Airlie 1578f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 1579f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 1580f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 15813b336ec4SSean Paul total_objects += dev->mode_config.num_bridge; 1582f453ba04SDave Airlie 1583f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 1584f453ba04SDave Airlie if (!group->id_list) 1585f453ba04SDave Airlie return -ENOMEM; 1586f453ba04SDave Airlie 1587f453ba04SDave Airlie group->num_crtcs = 0; 1588f453ba04SDave Airlie group->num_connectors = 0; 1589f453ba04SDave Airlie group->num_encoders = 0; 15903b336ec4SSean Paul group->num_bridges = 0; 1591f453ba04SDave Airlie return 0; 1592f453ba04SDave Airlie } 1593f453ba04SDave Airlie 1594ad222799SDave Airlie void drm_mode_group_destroy(struct drm_mode_group *group) 1595ad222799SDave Airlie { 1596ad222799SDave Airlie kfree(group->id_list); 1597ad222799SDave Airlie group->id_list = NULL; 1598ad222799SDave Airlie } 1599ad222799SDave Airlie 1600c8e32cc1SDaniel Vetter /* 1601c8e32cc1SDaniel Vetter * NOTE: Driver's shouldn't ever call drm_mode_group_init_legacy_group - it is 1602c8e32cc1SDaniel Vetter * the drm core's responsibility to set up mode control groups. 1603c8e32cc1SDaniel Vetter */ 1604f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 1605f453ba04SDave Airlie struct drm_mode_group *group) 1606f453ba04SDave Airlie { 1607f453ba04SDave Airlie struct drm_crtc *crtc; 1608f453ba04SDave Airlie struct drm_encoder *encoder; 1609f453ba04SDave Airlie struct drm_connector *connector; 16103b336ec4SSean Paul struct drm_bridge *bridge; 1611f453ba04SDave Airlie int ret; 1612f453ba04SDave Airlie 1613f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 1614f453ba04SDave Airlie return ret; 1615f453ba04SDave Airlie 1616f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 1617f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 1618f453ba04SDave Airlie 1619f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 1620f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 1621f453ba04SDave Airlie encoder->base.id; 1622f453ba04SDave Airlie 1623f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 1624f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 1625f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 1626f453ba04SDave Airlie 16273b336ec4SSean Paul list_for_each_entry(bridge, &dev->mode_config.bridge_list, head) 16283b336ec4SSean Paul group->id_list[group->num_crtcs + group->num_encoders + 16293b336ec4SSean Paul group->num_connectors + group->num_bridges++] = 16303b336ec4SSean Paul bridge->base.id; 16313b336ec4SSean Paul 1632f453ba04SDave Airlie return 0; 1633f453ba04SDave Airlie } 16349c1dfc55SDave Airlie EXPORT_SYMBOL(drm_mode_group_init_legacy_group); 1635f453ba04SDave Airlie 16362390cd11SDave Airlie void drm_reinit_primary_mode_group(struct drm_device *dev) 16372390cd11SDave Airlie { 16382390cd11SDave Airlie drm_modeset_lock_all(dev); 16392390cd11SDave Airlie drm_mode_group_destroy(&dev->primary->mode_group); 16402390cd11SDave Airlie drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); 16412390cd11SDave Airlie drm_modeset_unlock_all(dev); 16422390cd11SDave Airlie } 16432390cd11SDave Airlie EXPORT_SYMBOL(drm_reinit_primary_mode_group); 16442390cd11SDave Airlie 1645f453ba04SDave Airlie /** 1646f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1647f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 1648f453ba04SDave Airlie * @in: drm_display_mode to use 1649f453ba04SDave Airlie * 1650f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1651f453ba04SDave Airlie * the user. 1652f453ba04SDave Airlie */ 165393bbf6dbSVille Syrjälä static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 165493bbf6dbSVille Syrjälä const struct drm_display_mode *in) 1655f453ba04SDave Airlie { 1656e36fae38SVille Syrjälä WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1657e36fae38SVille Syrjälä in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1658e36fae38SVille Syrjälä in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1659e36fae38SVille Syrjälä in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1660e36fae38SVille Syrjälä in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, 1661e36fae38SVille Syrjälä "timing values too large for mode info\n"); 1662e36fae38SVille Syrjälä 1663f453ba04SDave Airlie out->clock = in->clock; 1664f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1665f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1666f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1667f453ba04SDave Airlie out->htotal = in->htotal; 1668f453ba04SDave Airlie out->hskew = in->hskew; 1669f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1670f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1671f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1672f453ba04SDave Airlie out->vtotal = in->vtotal; 1673f453ba04SDave Airlie out->vscan = in->vscan; 1674f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1675f453ba04SDave Airlie out->flags = in->flags; 1676f453ba04SDave Airlie out->type = in->type; 1677f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1678f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1679f453ba04SDave Airlie } 1680f453ba04SDave Airlie 1681f453ba04SDave Airlie /** 168274afee7dSMarc-André Lureau * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode 1683f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1684f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1685f453ba04SDave Airlie * 1686f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1687f453ba04SDave Airlie * the caller. 168890367bf6SVille Syrjälä * 1689c8e32cc1SDaniel Vetter * Returns: 16901a498633SDaniel Vetter * Zero on success, negative errno on failure. 1691f453ba04SDave Airlie */ 169293bbf6dbSVille Syrjälä static int drm_crtc_convert_umode(struct drm_display_mode *out, 169393bbf6dbSVille Syrjälä const struct drm_mode_modeinfo *in) 1694f453ba04SDave Airlie { 169590367bf6SVille Syrjälä if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 169690367bf6SVille Syrjälä return -ERANGE; 169790367bf6SVille Syrjälä 16985848ad40SDamien Lespiau if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX) 16995848ad40SDamien Lespiau return -EINVAL; 17005848ad40SDamien Lespiau 1701f453ba04SDave Airlie out->clock = in->clock; 1702f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1703f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1704f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1705f453ba04SDave Airlie out->htotal = in->htotal; 1706f453ba04SDave Airlie out->hskew = in->hskew; 1707f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1708f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1709f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1710f453ba04SDave Airlie out->vtotal = in->vtotal; 1711f453ba04SDave Airlie out->vscan = in->vscan; 1712f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1713f453ba04SDave Airlie out->flags = in->flags; 1714f453ba04SDave Airlie out->type = in->type; 1715f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1716f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 171790367bf6SVille Syrjälä 171890367bf6SVille Syrjälä return 0; 1719f453ba04SDave Airlie } 1720f453ba04SDave Airlie 1721f453ba04SDave Airlie /** 1722f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1723065a50edSDaniel Vetter * @dev: drm device for the ioctl 1724065a50edSDaniel Vetter * @data: data pointer for the ioctl 1725065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1726f453ba04SDave Airlie * 1727f453ba04SDave Airlie * Construct a set of configuration description structures and return 1728f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1729f453ba04SDave Airlie * 1730f453ba04SDave Airlie * Called by the user via ioctl. 1731f453ba04SDave Airlie * 1732c8e32cc1SDaniel Vetter * Returns: 17331a498633SDaniel Vetter * Zero on success, negative errno on failure. 1734f453ba04SDave Airlie */ 1735f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1736f453ba04SDave Airlie struct drm_file *file_priv) 1737f453ba04SDave Airlie { 1738f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1739f453ba04SDave Airlie struct list_head *lh; 1740f453ba04SDave Airlie struct drm_framebuffer *fb; 1741f453ba04SDave Airlie struct drm_connector *connector; 1742f453ba04SDave Airlie struct drm_crtc *crtc; 1743f453ba04SDave Airlie struct drm_encoder *encoder; 1744f453ba04SDave Airlie int ret = 0; 1745f453ba04SDave Airlie int connector_count = 0; 1746f453ba04SDave Airlie int crtc_count = 0; 1747f453ba04SDave Airlie int fb_count = 0; 1748f453ba04SDave Airlie int encoder_count = 0; 1749f453ba04SDave Airlie int copied = 0, i; 1750f453ba04SDave Airlie uint32_t __user *fb_id; 1751f453ba04SDave Airlie uint32_t __user *crtc_id; 1752f453ba04SDave Airlie uint32_t __user *connector_id; 1753f453ba04SDave Airlie uint32_t __user *encoder_id; 1754f453ba04SDave Airlie struct drm_mode_group *mode_group; 1755f453ba04SDave Airlie 1756fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1757fb3b06c8SDave Airlie return -EINVAL; 1758fb3b06c8SDave Airlie 1759f453ba04SDave Airlie 17604b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1761f453ba04SDave Airlie /* 1762f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1763f453ba04SDave Airlie * by IDs in the group list for this node 1764f453ba04SDave Airlie */ 1765f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1766f453ba04SDave Airlie fb_count++; 1767f453ba04SDave Airlie 17684b096ac1SDaniel Vetter /* handle this in 4 parts */ 17694b096ac1SDaniel Vetter /* FBs */ 17704b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 17714b096ac1SDaniel Vetter copied = 0; 17724b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 17734b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 17744b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 17754b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 17764b096ac1SDaniel Vetter return -EFAULT; 17774b096ac1SDaniel Vetter } 17784b096ac1SDaniel Vetter copied++; 17794b096ac1SDaniel Vetter } 17804b096ac1SDaniel Vetter } 17814b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 17824b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 17834b096ac1SDaniel Vetter 1784fcf93f69SDaniel Vetter /* mode_config.mutex protects the connector list against e.g. DP MST 1785fcf93f69SDaniel Vetter * connector hot-adding. CRTC/Plane lists are invariant. */ 1786fcf93f69SDaniel Vetter mutex_lock(&dev->mode_config.mutex); 178743683057SThomas Hellstrom if (!drm_is_primary_client(file_priv)) { 1788f453ba04SDave Airlie 178909f308f7SThomas Hellstrom mode_group = NULL; 1790f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1791f453ba04SDave Airlie crtc_count++; 1792f453ba04SDave Airlie 1793f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1794f453ba04SDave Airlie connector_count++; 1795f453ba04SDave Airlie 1796f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1797f453ba04SDave Airlie encoder_count++; 1798f453ba04SDave Airlie } else { 1799f453ba04SDave Airlie 180009f308f7SThomas Hellstrom mode_group = &file_priv->master->minor->mode_group; 1801f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1802f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1803f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1804f453ba04SDave Airlie } 1805f453ba04SDave Airlie 1806f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1807f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1808f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1809f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1810f453ba04SDave Airlie 1811f453ba04SDave Airlie /* CRTCs */ 1812f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1813f453ba04SDave Airlie copied = 0; 1814f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 181509f308f7SThomas Hellstrom if (!mode_group) { 1816f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1817f453ba04SDave Airlie head) { 18189440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1819f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1820f453ba04SDave Airlie ret = -EFAULT; 1821f453ba04SDave Airlie goto out; 1822f453ba04SDave Airlie } 1823f453ba04SDave Airlie copied++; 1824f453ba04SDave Airlie } 1825f453ba04SDave Airlie } else { 1826f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1827f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1828f453ba04SDave Airlie crtc_id + copied)) { 1829f453ba04SDave Airlie ret = -EFAULT; 1830f453ba04SDave Airlie goto out; 1831f453ba04SDave Airlie } 1832f453ba04SDave Airlie copied++; 1833f453ba04SDave Airlie } 1834f453ba04SDave Airlie } 1835f453ba04SDave Airlie } 1836f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1837f453ba04SDave Airlie 1838f453ba04SDave Airlie /* Encoders */ 1839f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1840f453ba04SDave Airlie copied = 0; 1841f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 184209f308f7SThomas Hellstrom if (!mode_group) { 1843f453ba04SDave Airlie list_for_each_entry(encoder, 1844f453ba04SDave Airlie &dev->mode_config.encoder_list, 1845f453ba04SDave Airlie head) { 18469440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 184783a8cfd3SJani Nikula encoder->name); 1848f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1849f453ba04SDave Airlie copied)) { 1850f453ba04SDave Airlie ret = -EFAULT; 1851f453ba04SDave Airlie goto out; 1852f453ba04SDave Airlie } 1853f453ba04SDave Airlie copied++; 1854f453ba04SDave Airlie } 1855f453ba04SDave Airlie } else { 1856f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1857f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1858f453ba04SDave Airlie encoder_id + copied)) { 1859f453ba04SDave Airlie ret = -EFAULT; 1860f453ba04SDave Airlie goto out; 1861f453ba04SDave Airlie } 1862f453ba04SDave Airlie copied++; 1863f453ba04SDave Airlie } 1864f453ba04SDave Airlie 1865f453ba04SDave Airlie } 1866f453ba04SDave Airlie } 1867f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1868f453ba04SDave Airlie 1869f453ba04SDave Airlie /* Connectors */ 1870f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1871f453ba04SDave Airlie copied = 0; 1872f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 187309f308f7SThomas Hellstrom if (!mode_group) { 1874f453ba04SDave Airlie list_for_each_entry(connector, 1875f453ba04SDave Airlie &dev->mode_config.connector_list, 1876f453ba04SDave Airlie head) { 18779440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 18789440106bSJerome Glisse connector->base.id, 187925933820SJani Nikula connector->name); 1880f453ba04SDave Airlie if (put_user(connector->base.id, 1881f453ba04SDave Airlie connector_id + copied)) { 1882f453ba04SDave Airlie ret = -EFAULT; 1883f453ba04SDave Airlie goto out; 1884f453ba04SDave Airlie } 1885f453ba04SDave Airlie copied++; 1886f453ba04SDave Airlie } 1887f453ba04SDave Airlie } else { 1888f453ba04SDave Airlie int start = mode_group->num_crtcs + 1889f453ba04SDave Airlie mode_group->num_encoders; 1890f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1891f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1892f453ba04SDave Airlie connector_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_connectors = connector_count; 1901f453ba04SDave Airlie 19029440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1903f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1904f453ba04SDave Airlie 1905f453ba04SDave Airlie out: 1906fcf93f69SDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 1907f453ba04SDave Airlie return ret; 1908f453ba04SDave Airlie } 1909f453ba04SDave Airlie 1910f453ba04SDave Airlie /** 1911f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1912065a50edSDaniel Vetter * @dev: drm device for the ioctl 1913065a50edSDaniel Vetter * @data: data pointer for the ioctl 1914065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1915f453ba04SDave Airlie * 1916f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1917f453ba04SDave Airlie * 1918f453ba04SDave Airlie * Called by the user via ioctl. 1919f453ba04SDave Airlie * 1920c8e32cc1SDaniel Vetter * Returns: 19211a498633SDaniel Vetter * Zero on success, negative errno on failure. 1922f453ba04SDave Airlie */ 1923f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1924f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1925f453ba04SDave Airlie { 1926f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1927f453ba04SDave Airlie struct drm_crtc *crtc; 1928f453ba04SDave Airlie 1929fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1930fb3b06c8SDave Airlie return -EINVAL; 1931fb3b06c8SDave Airlie 1932a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_resp->crtc_id); 1933fcf93f69SDaniel Vetter if (!crtc) 1934fcf93f69SDaniel Vetter return -ENOENT; 1935f453ba04SDave Airlie 1936fcf93f69SDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 1937f453ba04SDave Airlie crtc_resp->x = crtc->x; 1938f453ba04SDave Airlie crtc_resp->y = crtc->y; 1939f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1940f4510a27SMatt Roper if (crtc->primary->fb) 1941f4510a27SMatt Roper crtc_resp->fb_id = crtc->primary->fb->base.id; 1942f453ba04SDave Airlie else 1943f453ba04SDave Airlie crtc_resp->fb_id = 0; 1944f453ba04SDave Airlie 1945f453ba04SDave Airlie if (crtc->enabled) { 1946f453ba04SDave Airlie 1947f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1948f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1949f453ba04SDave Airlie 1950f453ba04SDave Airlie } else { 1951f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1952f453ba04SDave Airlie } 1953fcf93f69SDaniel Vetter drm_modeset_unlock_crtc(crtc); 1954f453ba04SDave Airlie 1955baf698b0SDaniel Vetter return 0; 1956f453ba04SDave Airlie } 1957f453ba04SDave Airlie 195861d8e328SDamien Lespiau static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, 195961d8e328SDamien Lespiau const struct drm_file *file_priv) 196061d8e328SDamien Lespiau { 196161d8e328SDamien Lespiau /* 196261d8e328SDamien Lespiau * If user-space hasn't configured the driver to expose the stereo 3D 196361d8e328SDamien Lespiau * modes, don't expose them. 196461d8e328SDamien Lespiau */ 196561d8e328SDamien Lespiau if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) 196661d8e328SDamien Lespiau return false; 196761d8e328SDamien Lespiau 196861d8e328SDamien Lespiau return true; 196961d8e328SDamien Lespiau } 197061d8e328SDamien Lespiau 1971f453ba04SDave Airlie /** 1972f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1973065a50edSDaniel Vetter * @dev: drm device for the ioctl 1974065a50edSDaniel Vetter * @data: data pointer for the ioctl 1975065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1976f453ba04SDave Airlie * 1977f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1978f453ba04SDave Airlie * 1979f453ba04SDave Airlie * Called by the user via ioctl. 1980f453ba04SDave Airlie * 1981c8e32cc1SDaniel Vetter * Returns: 19821a498633SDaniel Vetter * Zero on success, negative errno on failure. 1983f453ba04SDave Airlie */ 1984f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1985f453ba04SDave Airlie struct drm_file *file_priv) 1986f453ba04SDave Airlie { 1987f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1988f453ba04SDave Airlie struct drm_connector *connector; 1989f453ba04SDave Airlie struct drm_display_mode *mode; 1990f453ba04SDave Airlie int mode_count = 0; 1991f453ba04SDave Airlie int props_count = 0; 1992f453ba04SDave Airlie int encoders_count = 0; 1993f453ba04SDave Airlie int ret = 0; 1994f453ba04SDave Airlie int copied = 0; 1995f453ba04SDave Airlie int i; 1996f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1997f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1998f453ba04SDave Airlie uint32_t __user *prop_ptr; 1999f453ba04SDave Airlie uint64_t __user *prop_values; 2000f453ba04SDave Airlie uint32_t __user *encoder_ptr; 2001f453ba04SDave Airlie 2002fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2003fb3b06c8SDave Airlie return -EINVAL; 2004fb3b06c8SDave Airlie 2005f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 2006f453ba04SDave Airlie 20079440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 2008f453ba04SDave Airlie 20097b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 2010f453ba04SDave Airlie 2011a2b34e22SRob Clark connector = drm_connector_find(dev, out_resp->connector_id); 2012a2b34e22SRob Clark if (!connector) { 2013f27657f2SVille Syrjälä ret = -ENOENT; 2014f453ba04SDave Airlie goto out; 2015f453ba04SDave Airlie } 2016f453ba04SDave Airlie 20177f88a9beSPaulo Zanoni props_count = connector->properties.count; 2018f453ba04SDave Airlie 2019f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2020f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 2021f453ba04SDave Airlie encoders_count++; 2022f453ba04SDave Airlie } 2023f453ba04SDave Airlie } 2024f453ba04SDave Airlie 2025f453ba04SDave Airlie if (out_resp->count_modes == 0) { 2026f453ba04SDave Airlie connector->funcs->fill_modes(connector, 2027f453ba04SDave Airlie dev->mode_config.max_width, 2028f453ba04SDave Airlie dev->mode_config.max_height); 2029f453ba04SDave Airlie } 2030f453ba04SDave Airlie 2031f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 2032f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 203361d8e328SDamien Lespiau if (drm_mode_expose_to_userspace(mode, file_priv)) 2034f453ba04SDave Airlie mode_count++; 2035f453ba04SDave Airlie 2036f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 2037f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 2038f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 2039f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 2040f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 2041f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 2042f453ba04SDave Airlie out_resp->connection = connector->status; 2043832fd395SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2044f453ba04SDave Airlie if (connector->encoder) 2045f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 2046f453ba04SDave Airlie else 2047f453ba04SDave Airlie out_resp->encoder_id = 0; 2048832fd395SDaniel Vetter drm_modeset_unlock(&dev->mode_config.connection_mutex); 2049f453ba04SDave Airlie 2050f453ba04SDave Airlie /* 2051f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 2052f453ba04SDave Airlie * needed, and the 2nd time to fill it. 2053f453ba04SDave Airlie */ 2054f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 2055f453ba04SDave Airlie copied = 0; 205681f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 2057f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 205861d8e328SDamien Lespiau if (!drm_mode_expose_to_userspace(mode, file_priv)) 205961d8e328SDamien Lespiau continue; 206061d8e328SDamien Lespiau 2061f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 2062f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 2063f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 2064f453ba04SDave Airlie ret = -EFAULT; 2065f453ba04SDave Airlie goto out; 2066f453ba04SDave Airlie } 2067f453ba04SDave Airlie copied++; 2068f453ba04SDave Airlie } 2069f453ba04SDave Airlie } 2070f453ba04SDave Airlie out_resp->count_modes = mode_count; 2071f453ba04SDave Airlie 2072f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 2073f453ba04SDave Airlie copied = 0; 207481f6c7f8SVille Syrjälä prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); 207581f6c7f8SVille Syrjälä prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); 20767f88a9beSPaulo Zanoni for (i = 0; i < connector->properties.count; i++) { 20777e3bdf4aSPaulo Zanoni if (put_user(connector->properties.ids[i], 2078f453ba04SDave Airlie prop_ptr + copied)) { 2079f453ba04SDave Airlie ret = -EFAULT; 2080f453ba04SDave Airlie goto out; 2081f453ba04SDave Airlie } 2082f453ba04SDave Airlie 20837e3bdf4aSPaulo Zanoni if (put_user(connector->properties.values[i], 2084f453ba04SDave Airlie prop_values + copied)) { 2085f453ba04SDave Airlie ret = -EFAULT; 2086f453ba04SDave Airlie goto out; 2087f453ba04SDave Airlie } 2088f453ba04SDave Airlie copied++; 2089f453ba04SDave Airlie } 2090f453ba04SDave Airlie } 2091f453ba04SDave Airlie out_resp->count_props = props_count; 2092f453ba04SDave Airlie 2093f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 2094f453ba04SDave Airlie copied = 0; 209581f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 2096f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2097f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 2098f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 2099f453ba04SDave Airlie encoder_ptr + copied)) { 2100f453ba04SDave Airlie ret = -EFAULT; 2101f453ba04SDave Airlie goto out; 2102f453ba04SDave Airlie } 2103f453ba04SDave Airlie copied++; 2104f453ba04SDave Airlie } 2105f453ba04SDave Airlie } 2106f453ba04SDave Airlie } 2107f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 2108f453ba04SDave Airlie 2109f453ba04SDave Airlie out: 21107b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 21117b24056bSDaniel Vetter 2112f453ba04SDave Airlie return ret; 2113f453ba04SDave Airlie } 2114f453ba04SDave Airlie 2115c8e32cc1SDaniel Vetter /** 2116c8e32cc1SDaniel Vetter * drm_mode_getencoder - get encoder configuration 2117c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2118c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2119c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2120c8e32cc1SDaniel Vetter * 2121c8e32cc1SDaniel Vetter * Construct a encoder configuration structure to return to the user. 2122c8e32cc1SDaniel Vetter * 2123c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2124c8e32cc1SDaniel Vetter * 2125c8e32cc1SDaniel Vetter * Returns: 21261a498633SDaniel Vetter * Zero on success, negative errno on failure. 2127c8e32cc1SDaniel Vetter */ 2128f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 2129f453ba04SDave Airlie struct drm_file *file_priv) 2130f453ba04SDave Airlie { 2131f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 2132f453ba04SDave Airlie struct drm_encoder *encoder; 2133f453ba04SDave Airlie 2134fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2135fb3b06c8SDave Airlie return -EINVAL; 2136fb3b06c8SDave Airlie 2137a2b34e22SRob Clark encoder = drm_encoder_find(dev, enc_resp->encoder_id); 2138fcf93f69SDaniel Vetter if (!encoder) 2139fcf93f69SDaniel Vetter return -ENOENT; 2140f453ba04SDave Airlie 2141fcf93f69SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2142f453ba04SDave Airlie if (encoder->crtc) 2143f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 2144f453ba04SDave Airlie else 2145f453ba04SDave Airlie enc_resp->crtc_id = 0; 2146fcf93f69SDaniel Vetter drm_modeset_unlock(&dev->mode_config.connection_mutex); 2147fcf93f69SDaniel Vetter 2148f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 2149f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 2150f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 2151f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 2152f453ba04SDave Airlie 2153baf698b0SDaniel Vetter return 0; 2154f453ba04SDave Airlie } 2155f453ba04SDave Airlie 2156f453ba04SDave Airlie /** 2157c8e32cc1SDaniel Vetter * drm_mode_getplane_res - enumerate all plane resources 21588cf5c917SJesse Barnes * @dev: DRM device 21598cf5c917SJesse Barnes * @data: ioctl data 21608cf5c917SJesse Barnes * @file_priv: DRM file info 21618cf5c917SJesse Barnes * 2162c8e32cc1SDaniel Vetter * Construct a list of plane ids to return to the user. 2163c8e32cc1SDaniel Vetter * 2164c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2165c8e32cc1SDaniel Vetter * 2166c8e32cc1SDaniel Vetter * Returns: 21671a498633SDaniel Vetter * Zero on success, negative errno on failure. 21688cf5c917SJesse Barnes */ 21698cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 21708cf5c917SJesse Barnes struct drm_file *file_priv) 21718cf5c917SJesse Barnes { 21728cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 21738cf5c917SJesse Barnes struct drm_mode_config *config; 21748cf5c917SJesse Barnes struct drm_plane *plane; 21758cf5c917SJesse Barnes uint32_t __user *plane_ptr; 2176fcf93f69SDaniel Vetter int copied = 0; 2177681e7ec7SMatt Roper unsigned num_planes; 21788cf5c917SJesse Barnes 21798cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 21808cf5c917SJesse Barnes return -EINVAL; 21818cf5c917SJesse Barnes 21828cf5c917SJesse Barnes config = &dev->mode_config; 21838cf5c917SJesse Barnes 2184681e7ec7SMatt Roper if (file_priv->universal_planes) 2185681e7ec7SMatt Roper num_planes = config->num_total_plane; 2186681e7ec7SMatt Roper else 2187681e7ec7SMatt Roper num_planes = config->num_overlay_plane; 2188681e7ec7SMatt Roper 21898cf5c917SJesse Barnes /* 21908cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 21918cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 21928cf5c917SJesse Barnes */ 2193681e7ec7SMatt Roper if (num_planes && 2194681e7ec7SMatt Roper (plane_resp->count_planes >= num_planes)) { 219581f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 21968cf5c917SJesse Barnes 2197fcf93f69SDaniel Vetter /* Plane lists are invariant, no locking needed. */ 21988cf5c917SJesse Barnes list_for_each_entry(plane, &config->plane_list, head) { 2199681e7ec7SMatt Roper /* 2200681e7ec7SMatt Roper * Unless userspace set the 'universal planes' 2201681e7ec7SMatt Roper * capability bit, only advertise overlays. 2202681e7ec7SMatt Roper */ 2203681e7ec7SMatt Roper if (plane->type != DRM_PLANE_TYPE_OVERLAY && 2204681e7ec7SMatt Roper !file_priv->universal_planes) 2205e27dde3eSMatt Roper continue; 2206e27dde3eSMatt Roper 2207fcf93f69SDaniel Vetter if (put_user(plane->base.id, plane_ptr + copied)) 2208fcf93f69SDaniel Vetter return -EFAULT; 22098cf5c917SJesse Barnes copied++; 22108cf5c917SJesse Barnes } 22118cf5c917SJesse Barnes } 2212681e7ec7SMatt Roper plane_resp->count_planes = num_planes; 22138cf5c917SJesse Barnes 2214fcf93f69SDaniel Vetter return 0; 22158cf5c917SJesse Barnes } 22168cf5c917SJesse Barnes 22178cf5c917SJesse Barnes /** 2218c8e32cc1SDaniel Vetter * drm_mode_getplane - get plane configuration 22198cf5c917SJesse Barnes * @dev: DRM device 22208cf5c917SJesse Barnes * @data: ioctl data 22218cf5c917SJesse Barnes * @file_priv: DRM file info 22228cf5c917SJesse Barnes * 2223c8e32cc1SDaniel Vetter * Construct a plane configuration structure to return to the user. 2224c8e32cc1SDaniel Vetter * 2225c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2226c8e32cc1SDaniel Vetter * 2227c8e32cc1SDaniel Vetter * Returns: 22281a498633SDaniel Vetter * Zero on success, negative errno on failure. 22298cf5c917SJesse Barnes */ 22308cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 22318cf5c917SJesse Barnes struct drm_file *file_priv) 22328cf5c917SJesse Barnes { 22338cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 22348cf5c917SJesse Barnes struct drm_plane *plane; 22358cf5c917SJesse Barnes uint32_t __user *format_ptr; 22368cf5c917SJesse Barnes 22378cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 22388cf5c917SJesse Barnes return -EINVAL; 22398cf5c917SJesse Barnes 2240a2b34e22SRob Clark plane = drm_plane_find(dev, plane_resp->plane_id); 2241fcf93f69SDaniel Vetter if (!plane) 2242fcf93f69SDaniel Vetter return -ENOENT; 22438cf5c917SJesse Barnes 2244fcf93f69SDaniel Vetter drm_modeset_lock(&plane->mutex, NULL); 22458cf5c917SJesse Barnes if (plane->crtc) 22468cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 22478cf5c917SJesse Barnes else 22488cf5c917SJesse Barnes plane_resp->crtc_id = 0; 22498cf5c917SJesse Barnes 22508cf5c917SJesse Barnes if (plane->fb) 22518cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 22528cf5c917SJesse Barnes else 22538cf5c917SJesse Barnes plane_resp->fb_id = 0; 2254fcf93f69SDaniel Vetter drm_modeset_unlock(&plane->mutex); 22558cf5c917SJesse Barnes 22568cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 22578cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 2258778ad903SVille Syrjälä plane_resp->gamma_size = 0; 22598cf5c917SJesse Barnes 22608cf5c917SJesse Barnes /* 22618cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 22628cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 22638cf5c917SJesse Barnes */ 22648cf5c917SJesse Barnes if (plane->format_count && 22658cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 226681f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 22678cf5c917SJesse Barnes if (copy_to_user(format_ptr, 22688cf5c917SJesse Barnes plane->format_types, 22698cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 2270fcf93f69SDaniel Vetter return -EFAULT; 22718cf5c917SJesse Barnes } 22728cf5c917SJesse Barnes } 22738cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 22748cf5c917SJesse Barnes 2275baf698b0SDaniel Vetter return 0; 22768cf5c917SJesse Barnes } 22778cf5c917SJesse Barnes 2278b36552b3SMatt Roper /* 2279b36552b3SMatt Roper * setplane_internal - setplane handler for internal callers 22808cf5c917SJesse Barnes * 2281b36552b3SMatt Roper * Note that we assume an extra reference has already been taken on fb. If the 2282b36552b3SMatt Roper * update fails, this reference will be dropped before return; if it succeeds, 2283b36552b3SMatt Roper * the previous framebuffer (if any) will be unreferenced instead. 2284c8e32cc1SDaniel Vetter * 2285b36552b3SMatt Roper * src_{x,y,w,h} are provided in 16.16 fixed point format 22868cf5c917SJesse Barnes */ 2287f2b50c11SDaniel Vetter static int __setplane_internal(struct drm_plane *plane, 228817cfd91fSChris Wilson struct drm_crtc *crtc, 2289b36552b3SMatt Roper struct drm_framebuffer *fb, 2290b36552b3SMatt Roper int32_t crtc_x, int32_t crtc_y, 2291b36552b3SMatt Roper uint32_t crtc_w, uint32_t crtc_h, 2292b36552b3SMatt Roper /* src_{x,y,w,h} values are 16.16 fixed point */ 2293b36552b3SMatt Roper uint32_t src_x, uint32_t src_y, 2294b36552b3SMatt Roper uint32_t src_w, uint32_t src_h) 22958cf5c917SJesse Barnes { 22968cf5c917SJesse Barnes int ret = 0; 229742ef8789SVille Syrjälä unsigned int fb_width, fb_height; 22982f763312SThierry Reding unsigned int i; 22998cf5c917SJesse Barnes 23008cf5c917SJesse Barnes /* No fb means shut it down */ 2301b36552b3SMatt Roper if (!fb) { 23023d30a59bSDaniel Vetter plane->old_fb = plane->fb; 2303731cce48SDaniel Vetter ret = plane->funcs->disable_plane(plane); 2304731cce48SDaniel Vetter if (!ret) { 2305e5e3b44cSVille Syrjälä plane->crtc = NULL; 2306e5e3b44cSVille Syrjälä plane->fb = NULL; 2307731cce48SDaniel Vetter } else { 23083d30a59bSDaniel Vetter plane->old_fb = NULL; 2309731cce48SDaniel Vetter } 23108cf5c917SJesse Barnes goto out; 23118cf5c917SJesse Barnes } 23128cf5c917SJesse Barnes 23137f994f3fSMatt Roper /* Check whether this plane is usable on this CRTC */ 23147f994f3fSMatt Roper if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { 23157f994f3fSMatt Roper DRM_DEBUG_KMS("Invalid crtc for plane\n"); 23167f994f3fSMatt Roper ret = -EINVAL; 23177f994f3fSMatt Roper goto out; 23187f994f3fSMatt Roper } 23197f994f3fSMatt Roper 232062443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 232162443be6SVille Syrjälä for (i = 0; i < plane->format_count; i++) 232262443be6SVille Syrjälä if (fb->pixel_format == plane->format_types[i]) 232362443be6SVille Syrjälä break; 232462443be6SVille Syrjälä if (i == plane->format_count) { 23256ba6d03eSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s\n", 23266ba6d03eSVille Syrjälä drm_get_format_name(fb->pixel_format)); 232762443be6SVille Syrjälä ret = -EINVAL; 232862443be6SVille Syrjälä goto out; 232962443be6SVille Syrjälä } 233062443be6SVille Syrjälä 233142ef8789SVille Syrjälä fb_width = fb->width << 16; 233242ef8789SVille Syrjälä fb_height = fb->height << 16; 233342ef8789SVille Syrjälä 233442ef8789SVille Syrjälä /* Make sure source coordinates are inside the fb. */ 2335b36552b3SMatt Roper if (src_w > fb_width || 2336b36552b3SMatt Roper src_x > fb_width - src_w || 2337b36552b3SMatt Roper src_h > fb_height || 2338b36552b3SMatt Roper src_y > fb_height - src_h) { 233942ef8789SVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 234042ef8789SVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 2341b36552b3SMatt Roper src_w >> 16, ((src_w & 0xffff) * 15625) >> 10, 2342b36552b3SMatt Roper src_h >> 16, ((src_h & 0xffff) * 15625) >> 10, 2343b36552b3SMatt Roper src_x >> 16, ((src_x & 0xffff) * 15625) >> 10, 2344b36552b3SMatt Roper src_y >> 16, ((src_y & 0xffff) * 15625) >> 10); 234542ef8789SVille Syrjälä ret = -ENOSPC; 234642ef8789SVille Syrjälä goto out; 234742ef8789SVille Syrjälä } 234842ef8789SVille Syrjälä 23493d30a59bSDaniel Vetter plane->old_fb = plane->fb; 23508cf5c917SJesse Barnes ret = plane->funcs->update_plane(plane, crtc, fb, 2351b36552b3SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2352b36552b3SMatt Roper src_x, src_y, src_w, src_h); 23538cf5c917SJesse Barnes if (!ret) { 23548cf5c917SJesse Barnes plane->crtc = crtc; 23558cf5c917SJesse Barnes plane->fb = fb; 235635f8badcSDaniel Vetter fb = NULL; 23570fe27f06SDaniel Vetter } else { 23583d30a59bSDaniel Vetter plane->old_fb = NULL; 23598cf5c917SJesse Barnes } 23608cf5c917SJesse Barnes 23618cf5c917SJesse Barnes out: 23626c2a7532SDaniel Vetter if (fb) 23636c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 23643d30a59bSDaniel Vetter if (plane->old_fb) 23653d30a59bSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 23663d30a59bSDaniel Vetter plane->old_fb = NULL; 23678cf5c917SJesse Barnes 23688cf5c917SJesse Barnes return ret; 2369f2b50c11SDaniel Vetter } 2370b36552b3SMatt Roper 2371f2b50c11SDaniel Vetter static int setplane_internal(struct drm_plane *plane, 2372f2b50c11SDaniel Vetter struct drm_crtc *crtc, 2373f2b50c11SDaniel Vetter struct drm_framebuffer *fb, 2374f2b50c11SDaniel Vetter int32_t crtc_x, int32_t crtc_y, 2375f2b50c11SDaniel Vetter uint32_t crtc_w, uint32_t crtc_h, 2376f2b50c11SDaniel Vetter /* src_{x,y,w,h} values are 16.16 fixed point */ 2377f2b50c11SDaniel Vetter uint32_t src_x, uint32_t src_y, 2378f2b50c11SDaniel Vetter uint32_t src_w, uint32_t src_h) 2379f2b50c11SDaniel Vetter { 2380f2b50c11SDaniel Vetter int ret; 2381f2b50c11SDaniel Vetter 2382f2b50c11SDaniel Vetter drm_modeset_lock_all(plane->dev); 2383f2b50c11SDaniel Vetter ret = __setplane_internal(plane, crtc, fb, 2384f2b50c11SDaniel Vetter crtc_x, crtc_y, crtc_w, crtc_h, 2385f2b50c11SDaniel Vetter src_x, src_y, src_w, src_h); 2386f2b50c11SDaniel Vetter drm_modeset_unlock_all(plane->dev); 2387f2b50c11SDaniel Vetter 2388f2b50c11SDaniel Vetter return ret; 2389b36552b3SMatt Roper } 2390b36552b3SMatt Roper 2391b36552b3SMatt Roper /** 2392b36552b3SMatt Roper * drm_mode_setplane - configure a plane's configuration 2393b36552b3SMatt Roper * @dev: DRM device 2394b36552b3SMatt Roper * @data: ioctl data* 2395b36552b3SMatt Roper * @file_priv: DRM file info 2396b36552b3SMatt Roper * 2397b36552b3SMatt Roper * Set plane configuration, including placement, fb, scaling, and other factors. 2398b36552b3SMatt Roper * Or pass a NULL fb to disable (planes may be disabled without providing a 2399b36552b3SMatt Roper * valid crtc). 2400b36552b3SMatt Roper * 2401b36552b3SMatt Roper * Returns: 24021a498633SDaniel Vetter * Zero on success, negative errno on failure. 2403b36552b3SMatt Roper */ 2404b36552b3SMatt Roper int drm_mode_setplane(struct drm_device *dev, void *data, 2405b36552b3SMatt Roper struct drm_file *file_priv) 2406b36552b3SMatt Roper { 2407b36552b3SMatt Roper struct drm_mode_set_plane *plane_req = data; 2408b36552b3SMatt Roper struct drm_plane *plane; 2409b36552b3SMatt Roper struct drm_crtc *crtc = NULL; 2410b36552b3SMatt Roper struct drm_framebuffer *fb = NULL; 2411b36552b3SMatt Roper 2412b36552b3SMatt Roper if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2413b36552b3SMatt Roper return -EINVAL; 2414b36552b3SMatt Roper 2415b36552b3SMatt Roper /* Give drivers some help against integer overflows */ 2416b36552b3SMatt Roper if (plane_req->crtc_w > INT_MAX || 2417b36552b3SMatt Roper plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || 2418b36552b3SMatt Roper plane_req->crtc_h > INT_MAX || 2419b36552b3SMatt Roper plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { 2420b36552b3SMatt Roper DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 2421b36552b3SMatt Roper plane_req->crtc_w, plane_req->crtc_h, 2422b36552b3SMatt Roper plane_req->crtc_x, plane_req->crtc_y); 2423b36552b3SMatt Roper return -ERANGE; 2424b36552b3SMatt Roper } 2425b36552b3SMatt Roper 2426b36552b3SMatt Roper /* 2427b36552b3SMatt Roper * First, find the plane, crtc, and fb objects. If not available, 2428b36552b3SMatt Roper * we don't bother to call the driver. 2429b36552b3SMatt Roper */ 2430933f622fSRob Clark plane = drm_plane_find(dev, plane_req->plane_id); 2431933f622fSRob Clark if (!plane) { 2432b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown plane ID %d\n", 2433b36552b3SMatt Roper plane_req->plane_id); 2434b36552b3SMatt Roper return -ENOENT; 2435b36552b3SMatt Roper } 2436b36552b3SMatt Roper 2437b36552b3SMatt Roper if (plane_req->fb_id) { 2438b36552b3SMatt Roper fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 2439b36552b3SMatt Roper if (!fb) { 2440b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 2441b36552b3SMatt Roper plane_req->fb_id); 2442b36552b3SMatt Roper return -ENOENT; 2443b36552b3SMatt Roper } 2444b36552b3SMatt Roper 2445933f622fSRob Clark crtc = drm_crtc_find(dev, plane_req->crtc_id); 2446933f622fSRob Clark if (!crtc) { 2447b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown crtc ID %d\n", 2448b36552b3SMatt Roper plane_req->crtc_id); 2449b36552b3SMatt Roper return -ENOENT; 2450b36552b3SMatt Roper } 2451b36552b3SMatt Roper } 2452b36552b3SMatt Roper 2453161d0dc1SMatt Roper /* 2454161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2455161d0dc1SMatt Roper * framebuffer depending on success. 2456161d0dc1SMatt Roper */ 245717cfd91fSChris Wilson return setplane_internal(plane, crtc, fb, 2458b36552b3SMatt Roper plane_req->crtc_x, plane_req->crtc_y, 2459b36552b3SMatt Roper plane_req->crtc_w, plane_req->crtc_h, 2460b36552b3SMatt Roper plane_req->src_x, plane_req->src_y, 2461b36552b3SMatt Roper plane_req->src_w, plane_req->src_h); 24628cf5c917SJesse Barnes } 24638cf5c917SJesse Barnes 24648cf5c917SJesse Barnes /** 24652d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 24662d13b679SDaniel Vetter * @set: modeset config to set 24672d13b679SDaniel Vetter * 24682d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 24692d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 2470c8e32cc1SDaniel Vetter * 2471c8e32cc1SDaniel Vetter * Returns: 24721a498633SDaniel Vetter * Zero on success, negative errno on failure. 24732d13b679SDaniel Vetter */ 24742d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 24752d13b679SDaniel Vetter { 24762d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 24775cef29aaSDaniel Vetter struct drm_framebuffer *fb; 24785cef29aaSDaniel Vetter struct drm_crtc *tmp; 2479b0d12325SDaniel Vetter int ret; 24802d13b679SDaniel Vetter 24815cef29aaSDaniel Vetter /* 24825cef29aaSDaniel Vetter * NOTE: ->set_config can also disable other crtcs (if we steal all 24835cef29aaSDaniel Vetter * connectors from it), hence we need to refcount the fbs across all 24845cef29aaSDaniel Vetter * crtcs. Atomic modeset will have saner semantics ... 24855cef29aaSDaniel Vetter */ 24865cef29aaSDaniel Vetter list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) 24873d30a59bSDaniel Vetter tmp->primary->old_fb = tmp->primary->fb; 24885cef29aaSDaniel Vetter 2489b0d12325SDaniel Vetter fb = set->fb; 2490b0d12325SDaniel Vetter 2491b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 2492b0d12325SDaniel Vetter if (ret == 0) { 2493e13161afSMatt Roper crtc->primary->crtc = crtc; 24940fe27f06SDaniel Vetter crtc->primary->fb = fb; 24955cef29aaSDaniel Vetter } 2496cc85e121SDaniel Vetter 24975cef29aaSDaniel Vetter list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { 2498f4510a27SMatt Roper if (tmp->primary->fb) 2499f4510a27SMatt Roper drm_framebuffer_reference(tmp->primary->fb); 25003d30a59bSDaniel Vetter if (tmp->primary->old_fb) 25013d30a59bSDaniel Vetter drm_framebuffer_unreference(tmp->primary->old_fb); 25023d30a59bSDaniel Vetter tmp->primary->old_fb = NULL; 2503b0d12325SDaniel Vetter } 2504b0d12325SDaniel Vetter 2505b0d12325SDaniel Vetter return ret; 25062d13b679SDaniel Vetter } 25072d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 25082d13b679SDaniel Vetter 2509af93629dSMatt Roper /** 2510af93629dSMatt Roper * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the 2511af93629dSMatt Roper * CRTC viewport 2512af93629dSMatt Roper * @crtc: CRTC that framebuffer will be displayed on 2513af93629dSMatt Roper * @x: x panning 2514af93629dSMatt Roper * @y: y panning 2515af93629dSMatt Roper * @mode: mode that framebuffer will be displayed under 2516af93629dSMatt Roper * @fb: framebuffer to check size of 2517c11e9283SDamien Lespiau */ 2518af93629dSMatt Roper int drm_crtc_check_viewport(const struct drm_crtc *crtc, 2519c11e9283SDamien Lespiau int x, int y, 2520c11e9283SDamien Lespiau const struct drm_display_mode *mode, 2521c11e9283SDamien Lespiau const struct drm_framebuffer *fb) 2522c11e9283SDamien Lespiau 2523c11e9283SDamien Lespiau { 2524c11e9283SDamien Lespiau int hdisplay, vdisplay; 2525c11e9283SDamien Lespiau 2526c11e9283SDamien Lespiau hdisplay = mode->hdisplay; 2527c11e9283SDamien Lespiau vdisplay = mode->vdisplay; 2528c11e9283SDamien Lespiau 2529a0c1bbb0SDamien Lespiau if (drm_mode_is_stereo(mode)) { 2530a0c1bbb0SDamien Lespiau struct drm_display_mode adjusted = *mode; 2531a0c1bbb0SDamien Lespiau 2532a0c1bbb0SDamien Lespiau drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE); 2533a0c1bbb0SDamien Lespiau hdisplay = adjusted.crtc_hdisplay; 2534a0c1bbb0SDamien Lespiau vdisplay = adjusted.crtc_vdisplay; 2535a0c1bbb0SDamien Lespiau } 2536a0c1bbb0SDamien Lespiau 2537c11e9283SDamien Lespiau if (crtc->invert_dimensions) 2538c11e9283SDamien Lespiau swap(hdisplay, vdisplay); 2539c11e9283SDamien Lespiau 2540c11e9283SDamien Lespiau if (hdisplay > fb->width || 2541c11e9283SDamien Lespiau vdisplay > fb->height || 2542c11e9283SDamien Lespiau x > fb->width - hdisplay || 2543c11e9283SDamien Lespiau y > fb->height - vdisplay) { 2544c11e9283SDamien Lespiau DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 2545c11e9283SDamien Lespiau fb->width, fb->height, hdisplay, vdisplay, x, y, 2546c11e9283SDamien Lespiau crtc->invert_dimensions ? " (inverted)" : ""); 2547c11e9283SDamien Lespiau return -ENOSPC; 2548c11e9283SDamien Lespiau } 2549c11e9283SDamien Lespiau 2550c11e9283SDamien Lespiau return 0; 2551c11e9283SDamien Lespiau } 2552af93629dSMatt Roper EXPORT_SYMBOL(drm_crtc_check_viewport); 2553c11e9283SDamien Lespiau 25542d13b679SDaniel Vetter /** 2555f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 2556065a50edSDaniel Vetter * @dev: drm device for the ioctl 2557065a50edSDaniel Vetter * @data: data pointer for the ioctl 2558065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2559f453ba04SDave Airlie * 2560f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 2561f453ba04SDave Airlie * 2562f453ba04SDave Airlie * Called by the user via ioctl. 2563f453ba04SDave Airlie * 2564c8e32cc1SDaniel Vetter * Returns: 25651a498633SDaniel Vetter * Zero on success, negative errno on failure. 2566f453ba04SDave Airlie */ 2567f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 2568f453ba04SDave Airlie struct drm_file *file_priv) 2569f453ba04SDave Airlie { 2570f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2571f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 25726653cc8dSVille Syrjälä struct drm_crtc *crtc; 2573f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 2574f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2575f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 2576f453ba04SDave Airlie struct drm_mode_set set; 2577f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 25784a1b0714SLaurent Pinchart int ret; 2579f453ba04SDave Airlie int i; 2580f453ba04SDave Airlie 2581fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2582fb3b06c8SDave Airlie return -EINVAL; 2583fb3b06c8SDave Airlie 25841d97e915SVille Syrjälä /* For some reason crtc x/y offsets are signed internally. */ 25851d97e915SVille Syrjälä if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 25861d97e915SVille Syrjälä return -ERANGE; 25871d97e915SVille Syrjälä 258884849903SDaniel Vetter drm_modeset_lock_all(dev); 2589a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_req->crtc_id); 2590a2b34e22SRob Clark if (!crtc) { 259158367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 2592f27657f2SVille Syrjälä ret = -ENOENT; 2593f453ba04SDave Airlie goto out; 2594f453ba04SDave Airlie } 25959440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 2596f453ba04SDave Airlie 2597f453ba04SDave Airlie if (crtc_req->mode_valid) { 2598f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 2599f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 2600f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 2601f4510a27SMatt Roper if (!crtc->primary->fb) { 26026653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 26036653cc8dSVille Syrjälä ret = -EINVAL; 26046653cc8dSVille Syrjälä goto out; 26056653cc8dSVille Syrjälä } 2606f4510a27SMatt Roper fb = crtc->primary->fb; 2607b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 2608b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 2609f453ba04SDave Airlie } else { 2610786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 2611786b99edSDaniel Vetter if (!fb) { 261258367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 261358367ed6SZhao Yakui crtc_req->fb_id); 261437c4e705SVille Syrjälä ret = -ENOENT; 2615f453ba04SDave Airlie goto out; 2616f453ba04SDave Airlie } 2617f453ba04SDave Airlie } 2618f453ba04SDave Airlie 2619f453ba04SDave Airlie mode = drm_mode_create(dev); 2620ee34ab5bSVille Syrjälä if (!mode) { 2621ee34ab5bSVille Syrjälä ret = -ENOMEM; 2622ee34ab5bSVille Syrjälä goto out; 2623ee34ab5bSVille Syrjälä } 2624ee34ab5bSVille Syrjälä 262590367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 262690367bf6SVille Syrjälä if (ret) { 262790367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 262890367bf6SVille Syrjälä goto out; 262990367bf6SVille Syrjälä } 263090367bf6SVille Syrjälä 2631f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 26325f61bb42SVille Syrjälä 2633c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, 2634c11e9283SDamien Lespiau mode, fb); 2635c11e9283SDamien Lespiau if (ret) 26365f61bb42SVille Syrjälä goto out; 2637c11e9283SDamien Lespiau 2638f453ba04SDave Airlie } 2639f453ba04SDave Airlie 2640f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 264158367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2642f453ba04SDave Airlie ret = -EINVAL; 2643f453ba04SDave Airlie goto out; 2644f453ba04SDave Airlie } 2645f453ba04SDave Airlie 26467781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 264758367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2648f453ba04SDave Airlie crtc_req->count_connectors); 2649f453ba04SDave Airlie ret = -EINVAL; 2650f453ba04SDave Airlie goto out; 2651f453ba04SDave Airlie } 2652f453ba04SDave Airlie 2653f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2654f453ba04SDave Airlie u32 out_id; 2655f453ba04SDave Airlie 2656f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2657f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2658f453ba04SDave Airlie ret = -EINVAL; 2659f453ba04SDave Airlie goto out; 2660f453ba04SDave Airlie } 2661f453ba04SDave Airlie 2662f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 2663f453ba04SDave Airlie sizeof(struct drm_connector *), 2664f453ba04SDave Airlie GFP_KERNEL); 2665f453ba04SDave Airlie if (!connector_set) { 2666f453ba04SDave Airlie ret = -ENOMEM; 2667f453ba04SDave Airlie goto out; 2668f453ba04SDave Airlie } 2669f453ba04SDave Airlie 2670f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 267181f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2672f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2673f453ba04SDave Airlie ret = -EFAULT; 2674f453ba04SDave Airlie goto out; 2675f453ba04SDave Airlie } 2676f453ba04SDave Airlie 2677a2b34e22SRob Clark connector = drm_connector_find(dev, out_id); 2678a2b34e22SRob Clark if (!connector) { 267958367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 268058367ed6SZhao Yakui out_id); 2681f27657f2SVille Syrjälä ret = -ENOENT; 2682f453ba04SDave Airlie goto out; 2683f453ba04SDave Airlie } 26849440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 26859440106bSJerome Glisse connector->base.id, 268625933820SJani Nikula connector->name); 2687f453ba04SDave Airlie 2688f453ba04SDave Airlie connector_set[i] = connector; 2689f453ba04SDave Airlie } 2690f453ba04SDave Airlie } 2691f453ba04SDave Airlie 2692f453ba04SDave Airlie set.crtc = crtc; 2693f453ba04SDave Airlie set.x = crtc_req->x; 2694f453ba04SDave Airlie set.y = crtc_req->y; 2695f453ba04SDave Airlie set.mode = mode; 2696f453ba04SDave Airlie set.connectors = connector_set; 2697f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2698f453ba04SDave Airlie set.fb = fb; 26992d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2700f453ba04SDave Airlie 2701f453ba04SDave Airlie out: 2702b0d12325SDaniel Vetter if (fb) 2703b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2704b0d12325SDaniel Vetter 2705f453ba04SDave Airlie kfree(connector_set); 2706ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 270784849903SDaniel Vetter drm_modeset_unlock_all(dev); 2708f453ba04SDave Airlie return ret; 2709f453ba04SDave Airlie } 2710f453ba04SDave Airlie 2711161d0dc1SMatt Roper /** 2712161d0dc1SMatt Roper * drm_mode_cursor_universal - translate legacy cursor ioctl call into a 2713161d0dc1SMatt Roper * universal plane handler call 2714161d0dc1SMatt Roper * @crtc: crtc to update cursor for 2715161d0dc1SMatt Roper * @req: data pointer for the ioctl 2716161d0dc1SMatt Roper * @file_priv: drm file for the ioctl call 2717161d0dc1SMatt Roper * 2718161d0dc1SMatt Roper * Legacy cursor ioctl's work directly with driver buffer handles. To 2719161d0dc1SMatt Roper * translate legacy ioctl calls into universal plane handler calls, we need to 2720161d0dc1SMatt Roper * wrap the native buffer handle in a drm_framebuffer. 2721161d0dc1SMatt Roper * 2722161d0dc1SMatt Roper * Note that we assume any handle passed to the legacy ioctls was a 32-bit ARGB 2723161d0dc1SMatt Roper * buffer with a pitch of 4*width; the universal plane interface should be used 2724161d0dc1SMatt Roper * directly in cases where the hardware can support other buffer settings and 2725161d0dc1SMatt Roper * userspace wants to make use of these capabilities. 2726161d0dc1SMatt Roper * 2727161d0dc1SMatt Roper * Returns: 27281a498633SDaniel Vetter * Zero on success, negative errno on failure. 2729161d0dc1SMatt Roper */ 2730161d0dc1SMatt Roper static int drm_mode_cursor_universal(struct drm_crtc *crtc, 2731161d0dc1SMatt Roper struct drm_mode_cursor2 *req, 2732161d0dc1SMatt Roper struct drm_file *file_priv) 2733161d0dc1SMatt Roper { 2734161d0dc1SMatt Roper struct drm_device *dev = crtc->dev; 2735161d0dc1SMatt Roper struct drm_framebuffer *fb = NULL; 2736161d0dc1SMatt Roper struct drm_mode_fb_cmd2 fbreq = { 2737161d0dc1SMatt Roper .width = req->width, 2738161d0dc1SMatt Roper .height = req->height, 2739161d0dc1SMatt Roper .pixel_format = DRM_FORMAT_ARGB8888, 2740161d0dc1SMatt Roper .pitches = { req->width * 4 }, 2741161d0dc1SMatt Roper .handles = { req->handle }, 2742161d0dc1SMatt Roper }; 2743161d0dc1SMatt Roper int32_t crtc_x, crtc_y; 2744161d0dc1SMatt Roper uint32_t crtc_w = 0, crtc_h = 0; 2745161d0dc1SMatt Roper uint32_t src_w = 0, src_h = 0; 2746161d0dc1SMatt Roper int ret = 0; 2747161d0dc1SMatt Roper 2748161d0dc1SMatt Roper BUG_ON(!crtc->cursor); 2749f2b50c11SDaniel Vetter WARN_ON(crtc->cursor->crtc != crtc && crtc->cursor->crtc != NULL); 2750161d0dc1SMatt Roper 2751161d0dc1SMatt Roper /* 2752161d0dc1SMatt Roper * Obtain fb we'll be using (either new or existing) and take an extra 2753161d0dc1SMatt Roper * reference to it if fb != null. setplane will take care of dropping 2754161d0dc1SMatt Roper * the reference if the plane update fails. 2755161d0dc1SMatt Roper */ 2756161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_BO) { 2757161d0dc1SMatt Roper if (req->handle) { 2758161d0dc1SMatt Roper fb = add_framebuffer_internal(dev, &fbreq, file_priv); 2759161d0dc1SMatt Roper if (IS_ERR(fb)) { 2760161d0dc1SMatt Roper DRM_DEBUG_KMS("failed to wrap cursor buffer in drm framebuffer\n"); 2761161d0dc1SMatt Roper return PTR_ERR(fb); 2762161d0dc1SMatt Roper } 2763161d0dc1SMatt Roper 2764161d0dc1SMatt Roper drm_framebuffer_reference(fb); 2765161d0dc1SMatt Roper } else { 2766161d0dc1SMatt Roper fb = NULL; 2767161d0dc1SMatt Roper } 2768161d0dc1SMatt Roper } else { 2769161d0dc1SMatt Roper fb = crtc->cursor->fb; 2770161d0dc1SMatt Roper if (fb) 2771161d0dc1SMatt Roper drm_framebuffer_reference(fb); 2772161d0dc1SMatt Roper } 2773161d0dc1SMatt Roper 2774161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_MOVE) { 2775161d0dc1SMatt Roper crtc_x = req->x; 2776161d0dc1SMatt Roper crtc_y = req->y; 2777161d0dc1SMatt Roper } else { 2778161d0dc1SMatt Roper crtc_x = crtc->cursor_x; 2779161d0dc1SMatt Roper crtc_y = crtc->cursor_y; 2780161d0dc1SMatt Roper } 2781161d0dc1SMatt Roper 2782161d0dc1SMatt Roper if (fb) { 2783161d0dc1SMatt Roper crtc_w = fb->width; 2784161d0dc1SMatt Roper crtc_h = fb->height; 2785161d0dc1SMatt Roper src_w = fb->width << 16; 2786161d0dc1SMatt Roper src_h = fb->height << 16; 2787161d0dc1SMatt Roper } 2788161d0dc1SMatt Roper 2789161d0dc1SMatt Roper /* 2790161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2791161d0dc1SMatt Roper * framebuffer depending on success. 2792161d0dc1SMatt Roper */ 2793f2b50c11SDaniel Vetter ret = __setplane_internal(crtc->cursor, crtc, fb, 2794161d0dc1SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2795161d0dc1SMatt Roper 0, 0, src_w, src_h); 2796161d0dc1SMatt Roper 2797161d0dc1SMatt Roper /* Update successful; save new cursor position, if necessary */ 2798161d0dc1SMatt Roper if (ret == 0 && req->flags & DRM_MODE_CURSOR_MOVE) { 2799161d0dc1SMatt Roper crtc->cursor_x = req->x; 2800161d0dc1SMatt Roper crtc->cursor_y = req->y; 2801161d0dc1SMatt Roper } 2802161d0dc1SMatt Roper 2803161d0dc1SMatt Roper return ret; 2804161d0dc1SMatt Roper } 2805161d0dc1SMatt Roper 28064c813d4dSDave Airlie static int drm_mode_cursor_common(struct drm_device *dev, 28074c813d4dSDave Airlie struct drm_mode_cursor2 *req, 28084c813d4dSDave Airlie struct drm_file *file_priv) 2809f453ba04SDave Airlie { 2810f453ba04SDave Airlie struct drm_crtc *crtc; 2811f453ba04SDave Airlie int ret = 0; 2812f453ba04SDave Airlie 2813fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2814fb3b06c8SDave Airlie return -EINVAL; 2815fb3b06c8SDave Airlie 28167c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 2817f453ba04SDave Airlie return -EINVAL; 2818f453ba04SDave Airlie 2819a2b34e22SRob Clark crtc = drm_crtc_find(dev, req->crtc_id); 2820a2b34e22SRob Clark if (!crtc) { 282158367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 2822f27657f2SVille Syrjälä return -ENOENT; 2823f453ba04SDave Airlie } 2824f453ba04SDave Airlie 2825161d0dc1SMatt Roper /* 2826161d0dc1SMatt Roper * If this crtc has a universal cursor plane, call that plane's update 2827161d0dc1SMatt Roper * handler rather than using legacy cursor handlers. 2828161d0dc1SMatt Roper */ 28294d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->cursor); 2830f2b50c11SDaniel Vetter if (crtc->cursor) { 2831f2b50c11SDaniel Vetter ret = drm_mode_cursor_universal(crtc, req, file_priv); 2832f2b50c11SDaniel Vetter goto out; 2833f2b50c11SDaniel Vetter } 2834f2b50c11SDaniel Vetter 2835f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 28364c813d4dSDave Airlie if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { 2837f453ba04SDave Airlie ret = -ENXIO; 2838f453ba04SDave Airlie goto out; 2839f453ba04SDave Airlie } 2840f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 28414c813d4dSDave Airlie if (crtc->funcs->cursor_set2) 28424c813d4dSDave Airlie ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, 28434c813d4dSDave Airlie req->width, req->height, req->hot_x, req->hot_y); 28444c813d4dSDave Airlie else 2845f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 2846f453ba04SDave Airlie req->width, req->height); 2847f453ba04SDave Airlie } 2848f453ba04SDave Airlie 2849f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 2850f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 2851f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 2852f453ba04SDave Airlie } else { 2853f453ba04SDave Airlie ret = -EFAULT; 2854f453ba04SDave Airlie goto out; 2855f453ba04SDave Airlie } 2856f453ba04SDave Airlie } 2857f453ba04SDave Airlie out: 2858d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 2859dac35663SDaniel Vetter 2860f453ba04SDave Airlie return ret; 28614c813d4dSDave Airlie 28624c813d4dSDave Airlie } 2863c8e32cc1SDaniel Vetter 2864c8e32cc1SDaniel Vetter 2865c8e32cc1SDaniel Vetter /** 2866c8e32cc1SDaniel Vetter * drm_mode_cursor_ioctl - set CRTC's cursor configuration 2867c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2868c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2869c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2870c8e32cc1SDaniel Vetter * 2871c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. 2872c8e32cc1SDaniel Vetter * 2873c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2874c8e32cc1SDaniel Vetter * 2875c8e32cc1SDaniel Vetter * Returns: 28761a498633SDaniel Vetter * Zero on success, negative errno on failure. 2877c8e32cc1SDaniel Vetter */ 28784c813d4dSDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 28794c813d4dSDave Airlie void *data, struct drm_file *file_priv) 28804c813d4dSDave Airlie { 28814c813d4dSDave Airlie struct drm_mode_cursor *req = data; 28824c813d4dSDave Airlie struct drm_mode_cursor2 new_req; 28834c813d4dSDave Airlie 28844c813d4dSDave Airlie memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); 28854c813d4dSDave Airlie new_req.hot_x = new_req.hot_y = 0; 28864c813d4dSDave Airlie 28874c813d4dSDave Airlie return drm_mode_cursor_common(dev, &new_req, file_priv); 28884c813d4dSDave Airlie } 28894c813d4dSDave Airlie 2890c8e32cc1SDaniel Vetter /** 2891c8e32cc1SDaniel Vetter * drm_mode_cursor2_ioctl - set CRTC's cursor configuration 2892c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2893c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2894c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2895c8e32cc1SDaniel Vetter * 2896c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. This implements the 2nd 2897c8e32cc1SDaniel Vetter * version of the cursor ioctl, which allows userspace to additionally specify 2898c8e32cc1SDaniel Vetter * the hotspot of the pointer. 2899c8e32cc1SDaniel Vetter * 2900c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2901c8e32cc1SDaniel Vetter * 2902c8e32cc1SDaniel Vetter * Returns: 29031a498633SDaniel Vetter * Zero on success, negative errno on failure. 2904c8e32cc1SDaniel Vetter */ 29054c813d4dSDave Airlie int drm_mode_cursor2_ioctl(struct drm_device *dev, 29064c813d4dSDave Airlie void *data, struct drm_file *file_priv) 29074c813d4dSDave Airlie { 29084c813d4dSDave Airlie struct drm_mode_cursor2 *req = data; 29094c813d4dSDave Airlie return drm_mode_cursor_common(dev, req, file_priv); 2910f453ba04SDave Airlie } 2911f453ba04SDave Airlie 2912c8e32cc1SDaniel Vetter /** 2913c8e32cc1SDaniel Vetter * drm_mode_legacy_fb_format - compute drm fourcc code from legacy description 2914c8e32cc1SDaniel Vetter * @bpp: bits per pixels 2915c8e32cc1SDaniel Vetter * @depth: bit depth per pixel 2916c8e32cc1SDaniel Vetter * 2917c8e32cc1SDaniel Vetter * Computes a drm fourcc pixel format code for the given @bpp/@depth values. 2918c8e32cc1SDaniel Vetter * Useful in fbdev emulation code, since that deals in those values. 2919c8e32cc1SDaniel Vetter */ 2920308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 2921308e5bcbSJesse Barnes { 2922308e5bcbSJesse Barnes uint32_t fmt; 2923308e5bcbSJesse Barnes 2924308e5bcbSJesse Barnes switch (bpp) { 2925308e5bcbSJesse Barnes case 8: 2926d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 2927308e5bcbSJesse Barnes break; 2928308e5bcbSJesse Barnes case 16: 2929308e5bcbSJesse Barnes if (depth == 15) 293004b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 2931308e5bcbSJesse Barnes else 293204b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 2933308e5bcbSJesse Barnes break; 2934308e5bcbSJesse Barnes case 24: 293504b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 2936308e5bcbSJesse Barnes break; 2937308e5bcbSJesse Barnes case 32: 2938308e5bcbSJesse Barnes if (depth == 24) 293904b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2940308e5bcbSJesse Barnes else if (depth == 30) 294104b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 2942308e5bcbSJesse Barnes else 294304b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 2944308e5bcbSJesse Barnes break; 2945308e5bcbSJesse Barnes default: 294604b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 294704b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2948308e5bcbSJesse Barnes break; 2949308e5bcbSJesse Barnes } 2950308e5bcbSJesse Barnes 2951308e5bcbSJesse Barnes return fmt; 2952308e5bcbSJesse Barnes } 2953308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 2954308e5bcbSJesse Barnes 2955f453ba04SDave Airlie /** 2956f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 2957065a50edSDaniel Vetter * @dev: drm device for the ioctl 2958065a50edSDaniel Vetter * @data: data pointer for the ioctl 2959065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2960f453ba04SDave Airlie * 2961c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request. This is the 2962209f5527SChuck Ebbert * original addfb ioctl which only supported RGB formats. 2963f453ba04SDave Airlie * 2964f453ba04SDave Airlie * Called by the user via ioctl. 2965f453ba04SDave Airlie * 2966c8e32cc1SDaniel Vetter * Returns: 29671a498633SDaniel Vetter * Zero on success, negative errno on failure. 2968f453ba04SDave Airlie */ 2969f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 2970f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2971f453ba04SDave Airlie { 2972308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 2973308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 2974228f2cb3SChuck Ebbert int ret; 2975308e5bcbSJesse Barnes 2976228f2cb3SChuck Ebbert /* convert to new format and call new ioctl */ 2977308e5bcbSJesse Barnes r.fb_id = or->fb_id; 2978308e5bcbSJesse Barnes r.width = or->width; 2979308e5bcbSJesse Barnes r.height = or->height; 2980308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 2981308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 2982308e5bcbSJesse Barnes r.handles[0] = or->handle; 2983308e5bcbSJesse Barnes 2984228f2cb3SChuck Ebbert ret = drm_mode_addfb2(dev, &r, file_priv); 2985228f2cb3SChuck Ebbert if (ret) 2986228f2cb3SChuck Ebbert return ret; 2987308e5bcbSJesse Barnes 2988228f2cb3SChuck Ebbert or->fb_id = r.fb_id; 29894b096ac1SDaniel Vetter 2990baf698b0SDaniel Vetter return 0; 2991308e5bcbSJesse Barnes } 2992308e5bcbSJesse Barnes 2993cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 2994935b5977SVille Syrjälä { 2995935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 2996935b5977SVille Syrjälä 2997935b5977SVille Syrjälä switch (format) { 2998935b5977SVille Syrjälä case DRM_FORMAT_C8: 2999935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 3000935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 3001935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 3002935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 3003935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 3004935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 3005935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 3006935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 3007935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 3008935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 3009935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 3010935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 3011935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 3012935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 3013935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 3014935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 3015935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 3016935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 3017935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 3018935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 3019935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 3020935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 3021935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 3022935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 3023935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 3024935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 3025935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 3026935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 3027935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 3028935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 3029935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 3030935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 3031935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 3032935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 3033935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 3034935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 3035935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 3036935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 3037935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 3038935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 3039935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 3040935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 3041935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 3042935b5977SVille Syrjälä case DRM_FORMAT_NV12: 3043935b5977SVille Syrjälä case DRM_FORMAT_NV21: 3044935b5977SVille Syrjälä case DRM_FORMAT_NV16: 3045935b5977SVille Syrjälä case DRM_FORMAT_NV61: 3046ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3047ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3048935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 3049935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 3050935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 3051935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 3052935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 3053935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 3054935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 3055935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 3056935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 3057935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 3058935b5977SVille Syrjälä return 0; 3059935b5977SVille Syrjälä default: 306023c453a4SVille Syrjälä DRM_DEBUG_KMS("invalid pixel format %s\n", 306123c453a4SVille Syrjälä drm_get_format_name(r->pixel_format)); 3062935b5977SVille Syrjälä return -EINVAL; 3063935b5977SVille Syrjälä } 3064935b5977SVille Syrjälä } 3065935b5977SVille Syrjälä 3066cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 3067d1b45d5fSVille Syrjälä { 3068d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 3069d1b45d5fSVille Syrjälä 3070d1b45d5fSVille Syrjälä ret = format_check(r); 3071d1b45d5fSVille Syrjälä if (ret) { 30726ba6d03eSVille Syrjälä DRM_DEBUG_KMS("bad framebuffer format %s\n", 30736ba6d03eSVille Syrjälä drm_get_format_name(r->pixel_format)); 3074d1b45d5fSVille Syrjälä return ret; 3075d1b45d5fSVille Syrjälä } 3076d1b45d5fSVille Syrjälä 3077d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 3078d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 3079d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 3080d1b45d5fSVille Syrjälä 3081d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 3082209f5527SChuck Ebbert DRM_DEBUG_KMS("bad framebuffer width %u\n", r->width); 3083d1b45d5fSVille Syrjälä return -EINVAL; 3084d1b45d5fSVille Syrjälä } 3085d1b45d5fSVille Syrjälä 3086d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 30871aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 3088d1b45d5fSVille Syrjälä return -EINVAL; 3089d1b45d5fSVille Syrjälä } 3090d1b45d5fSVille Syrjälä 3091d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 3092d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 3093b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 3094b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 3095d1b45d5fSVille Syrjälä 3096d1b45d5fSVille Syrjälä if (!r->handles[i]) { 30971aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 3098d1b45d5fSVille Syrjälä return -EINVAL; 3099d1b45d5fSVille Syrjälä } 3100d1b45d5fSVille Syrjälä 3101b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 3102b180b5d1SVille Syrjälä return -ERANGE; 3103b180b5d1SVille Syrjälä 3104b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 3105b180b5d1SVille Syrjälä return -ERANGE; 3106b180b5d1SVille Syrjälä 3107b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 31081aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 3109d1b45d5fSVille Syrjälä return -EINVAL; 3110d1b45d5fSVille Syrjälä } 3111d1b45d5fSVille Syrjälä } 3112d1b45d5fSVille Syrjälä 3113d1b45d5fSVille Syrjälä return 0; 3114d1b45d5fSVille Syrjälä } 3115d1b45d5fSVille Syrjälä 3116c394c2b0SMatt Roper static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev, 3117c394c2b0SMatt Roper struct drm_mode_fb_cmd2 *r, 3118c394c2b0SMatt Roper struct drm_file *file_priv) 3119c394c2b0SMatt Roper { 3120c394c2b0SMatt Roper struct drm_mode_config *config = &dev->mode_config; 3121c394c2b0SMatt Roper struct drm_framebuffer *fb; 3122c394c2b0SMatt Roper int ret; 3123c394c2b0SMatt Roper 3124c394c2b0SMatt Roper if (r->flags & ~DRM_MODE_FB_INTERLACED) { 3125c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 3126c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3127c394c2b0SMatt Roper } 3128c394c2b0SMatt Roper 3129c394c2b0SMatt Roper if ((config->min_width > r->width) || (r->width > config->max_width)) { 3130c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 3131c394c2b0SMatt Roper r->width, config->min_width, config->max_width); 3132c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3133c394c2b0SMatt Roper } 3134c394c2b0SMatt Roper if ((config->min_height > r->height) || (r->height > config->max_height)) { 3135c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 3136c394c2b0SMatt Roper r->height, config->min_height, config->max_height); 3137c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3138c394c2b0SMatt Roper } 3139c394c2b0SMatt Roper 3140c394c2b0SMatt Roper ret = framebuffer_check(r); 3141c394c2b0SMatt Roper if (ret) 3142c394c2b0SMatt Roper return ERR_PTR(ret); 3143c394c2b0SMatt Roper 3144c394c2b0SMatt Roper fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 3145c394c2b0SMatt Roper if (IS_ERR(fb)) { 3146c394c2b0SMatt Roper DRM_DEBUG_KMS("could not create framebuffer\n"); 3147c394c2b0SMatt Roper return fb; 3148c394c2b0SMatt Roper } 3149c394c2b0SMatt Roper 3150c394c2b0SMatt Roper mutex_lock(&file_priv->fbs_lock); 3151c394c2b0SMatt Roper r->fb_id = fb->base.id; 3152c394c2b0SMatt Roper list_add(&fb->filp_head, &file_priv->fbs); 3153c394c2b0SMatt Roper DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 3154c394c2b0SMatt Roper mutex_unlock(&file_priv->fbs_lock); 3155c394c2b0SMatt Roper 3156c394c2b0SMatt Roper return fb; 3157c394c2b0SMatt Roper } 3158c394c2b0SMatt Roper 3159308e5bcbSJesse Barnes /** 3160308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 3161065a50edSDaniel Vetter * @dev: drm device for the ioctl 3162065a50edSDaniel Vetter * @data: data pointer for the ioctl 3163065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3164308e5bcbSJesse Barnes * 3165c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request with format. This is 3166c8e32cc1SDaniel Vetter * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers 3167c8e32cc1SDaniel Vetter * and uses fourcc codes as pixel format specifiers. 3168308e5bcbSJesse Barnes * 3169308e5bcbSJesse Barnes * Called by the user via ioctl. 3170308e5bcbSJesse Barnes * 3171c8e32cc1SDaniel Vetter * Returns: 31721a498633SDaniel Vetter * Zero on success, negative errno on failure. 3173308e5bcbSJesse Barnes */ 3174308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 3175308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 3176308e5bcbSJesse Barnes { 3177f453ba04SDave Airlie struct drm_framebuffer *fb; 3178f453ba04SDave Airlie 3179fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3180fb3b06c8SDave Airlie return -EINVAL; 3181fb3b06c8SDave Airlie 3182c394c2b0SMatt Roper fb = add_framebuffer_internal(dev, data, file_priv); 3183c394c2b0SMatt Roper if (IS_ERR(fb)) 31844b096ac1SDaniel Vetter return PTR_ERR(fb); 3185f453ba04SDave Airlie 3186c394c2b0SMatt Roper return 0; 3187f453ba04SDave Airlie } 3188f453ba04SDave Airlie 3189f453ba04SDave Airlie /** 3190f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 3191065a50edSDaniel Vetter * @dev: drm device for the ioctl 3192065a50edSDaniel Vetter * @data: data pointer for the ioctl 3193065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3194f453ba04SDave Airlie * 3195f453ba04SDave Airlie * Remove the FB specified by the user. 3196f453ba04SDave Airlie * 3197f453ba04SDave Airlie * Called by the user via ioctl. 3198f453ba04SDave Airlie * 3199c8e32cc1SDaniel Vetter * Returns: 32001a498633SDaniel Vetter * Zero on success, negative errno on failure. 3201f453ba04SDave Airlie */ 3202f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 3203f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3204f453ba04SDave Airlie { 3205f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 3206f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 3207f453ba04SDave Airlie uint32_t *id = data; 3208f453ba04SDave Airlie int found = 0; 3209f453ba04SDave Airlie 3210fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3211fb3b06c8SDave Airlie return -EINVAL; 3212fb3b06c8SDave Airlie 32134b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 32142b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 32152b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, *id); 32162b677e8cSDaniel Vetter if (!fb) 32172b677e8cSDaniel Vetter goto fail_lookup; 32182b677e8cSDaniel Vetter 3219f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 3220f453ba04SDave Airlie if (fb == fbl) 3221f453ba04SDave Airlie found = 1; 32222b677e8cSDaniel Vetter if (!found) 32232b677e8cSDaniel Vetter goto fail_lookup; 32242b677e8cSDaniel Vetter 32252b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 32262b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 3227f453ba04SDave Airlie 32284b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 32292b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 32304b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 3231f453ba04SDave Airlie 32324b096ac1SDaniel Vetter drm_framebuffer_remove(fb); 32334b096ac1SDaniel Vetter 32342b677e8cSDaniel Vetter return 0; 32352b677e8cSDaniel Vetter 32362b677e8cSDaniel Vetter fail_lookup: 32372b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 32382b677e8cSDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 32392b677e8cSDaniel Vetter 324037c4e705SVille Syrjälä return -ENOENT; 3241f453ba04SDave Airlie } 3242f453ba04SDave Airlie 3243f453ba04SDave Airlie /** 3244f453ba04SDave Airlie * drm_mode_getfb - get FB info 3245065a50edSDaniel Vetter * @dev: drm device for the ioctl 3246065a50edSDaniel Vetter * @data: data pointer for the ioctl 3247065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3248f453ba04SDave Airlie * 3249f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 3250f453ba04SDave Airlie * 3251f453ba04SDave Airlie * Called by the user via ioctl. 3252f453ba04SDave Airlie * 3253c8e32cc1SDaniel Vetter * Returns: 32541a498633SDaniel Vetter * Zero on success, negative errno on failure. 3255f453ba04SDave Airlie */ 3256f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 3257f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3258f453ba04SDave Airlie { 3259f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 3260f453ba04SDave Airlie struct drm_framebuffer *fb; 326158c0dca1SDaniel Vetter int ret; 3262f453ba04SDave Airlie 3263fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3264fb3b06c8SDave Airlie return -EINVAL; 3265fb3b06c8SDave Airlie 3266786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 326758c0dca1SDaniel Vetter if (!fb) 326837c4e705SVille Syrjälä return -ENOENT; 3269f453ba04SDave Airlie 3270f453ba04SDave Airlie r->height = fb->height; 3271f453ba04SDave Airlie r->width = fb->width; 3272f453ba04SDave Airlie r->depth = fb->depth; 3273f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 327401f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 3275101b96f3SDavid Herrmann if (fb->funcs->create_handle) { 327609f308f7SThomas Hellstrom if (file_priv->is_master || capable(CAP_SYS_ADMIN) || 327743683057SThomas Hellstrom drm_is_control_client(file_priv)) { 3278101b96f3SDavid Herrmann ret = fb->funcs->create_handle(fb, file_priv, 3279101b96f3SDavid Herrmann &r->handle); 3280101b96f3SDavid Herrmann } else { 3281101b96f3SDavid Herrmann /* GET_FB() is an unprivileged ioctl so we must not 3282101b96f3SDavid Herrmann * return a buffer-handle to non-master processes! For 3283101b96f3SDavid Herrmann * backwards-compatibility reasons, we cannot make 3284101b96f3SDavid Herrmann * GET_FB() privileged, so just return an invalid handle 3285101b96f3SDavid Herrmann * for non-masters. */ 3286101b96f3SDavid Herrmann r->handle = 0; 3287101b96f3SDavid Herrmann ret = 0; 3288101b96f3SDavid Herrmann } 3289101b96f3SDavid Herrmann } else { 3290af26ef3bSDaniel Vetter ret = -ENODEV; 3291101b96f3SDavid Herrmann } 3292f453ba04SDave Airlie 329358c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 329458c0dca1SDaniel Vetter 3295f453ba04SDave Airlie return ret; 3296f453ba04SDave Airlie } 3297f453ba04SDave Airlie 3298c8e32cc1SDaniel Vetter /** 3299c8e32cc1SDaniel Vetter * drm_mode_dirtyfb_ioctl - flush frontbuffer rendering on an FB 3300c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3301c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3302c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3303c8e32cc1SDaniel Vetter * 3304c8e32cc1SDaniel Vetter * Lookup the FB and flush out the damaged area supplied by userspace as a clip 3305c8e32cc1SDaniel Vetter * rectangle list. Generic userspace which does frontbuffer rendering must call 3306c8e32cc1SDaniel Vetter * this ioctl to flush out the changes on manual-update display outputs, e.g. 3307c8e32cc1SDaniel Vetter * usb display-link, mipi manual update panels or edp panel self refresh modes. 3308c8e32cc1SDaniel Vetter * 3309c8e32cc1SDaniel Vetter * Modesetting drivers which always update the frontbuffer do not need to 3310c8e32cc1SDaniel Vetter * implement the corresponding ->dirty framebuffer callback. 3311c8e32cc1SDaniel Vetter * 3312c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3313c8e32cc1SDaniel Vetter * 3314c8e32cc1SDaniel Vetter * Returns: 33151a498633SDaniel Vetter * Zero on success, negative errno on failure. 3316c8e32cc1SDaniel Vetter */ 3317884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 3318884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 3319884840aaSJakob Bornecrantz { 3320884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 3321884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 3322884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 3323884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 3324884840aaSJakob Bornecrantz unsigned flags; 3325884840aaSJakob Bornecrantz int num_clips; 33264a1b0714SLaurent Pinchart int ret; 3327884840aaSJakob Bornecrantz 3328fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3329fb3b06c8SDave Airlie return -EINVAL; 3330fb3b06c8SDave Airlie 3331786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 33324ccf097fSDaniel Vetter if (!fb) 333337c4e705SVille Syrjälä return -ENOENT; 3334884840aaSJakob Bornecrantz 3335884840aaSJakob Bornecrantz num_clips = r->num_clips; 333681f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 3337884840aaSJakob Bornecrantz 3338884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 3339884840aaSJakob Bornecrantz ret = -EINVAL; 3340884840aaSJakob Bornecrantz goto out_err1; 3341884840aaSJakob Bornecrantz } 3342884840aaSJakob Bornecrantz 3343884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 3344884840aaSJakob Bornecrantz 3345884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 3346884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 3347884840aaSJakob Bornecrantz ret = -EINVAL; 3348884840aaSJakob Bornecrantz goto out_err1; 3349884840aaSJakob Bornecrantz } 3350884840aaSJakob Bornecrantz 3351884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 3352a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 3353a5cd3351SXi Wang ret = -EINVAL; 3354a5cd3351SXi Wang goto out_err1; 3355a5cd3351SXi Wang } 3356884840aaSJakob Bornecrantz clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); 3357884840aaSJakob Bornecrantz if (!clips) { 3358884840aaSJakob Bornecrantz ret = -ENOMEM; 3359884840aaSJakob Bornecrantz goto out_err1; 3360884840aaSJakob Bornecrantz } 3361884840aaSJakob Bornecrantz 3362884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 3363884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 3364e902a358SDan Carpenter if (ret) { 3365e902a358SDan Carpenter ret = -EFAULT; 3366884840aaSJakob Bornecrantz goto out_err2; 3367884840aaSJakob Bornecrantz } 3368e902a358SDan Carpenter } 3369884840aaSJakob Bornecrantz 3370884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 337102b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 337202b00162SThomas Hellstrom clips, num_clips); 3373884840aaSJakob Bornecrantz } else { 3374884840aaSJakob Bornecrantz ret = -ENOSYS; 3375884840aaSJakob Bornecrantz } 3376884840aaSJakob Bornecrantz 3377884840aaSJakob Bornecrantz out_err2: 3378884840aaSJakob Bornecrantz kfree(clips); 3379884840aaSJakob Bornecrantz out_err1: 33804ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 33814ccf097fSDaniel Vetter 3382884840aaSJakob Bornecrantz return ret; 3383884840aaSJakob Bornecrantz } 3384884840aaSJakob Bornecrantz 3385884840aaSJakob Bornecrantz 3386f453ba04SDave Airlie /** 3387f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 3388065a50edSDaniel Vetter * @priv: drm file for the ioctl 3389f453ba04SDave Airlie * 3390f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 3391f453ba04SDave Airlie * 3392f453ba04SDave Airlie * Called by the user via ioctl. 3393f453ba04SDave Airlie * 3394c8e32cc1SDaniel Vetter * Returns: 33951a498633SDaniel Vetter * Zero on success, negative errno on failure. 3396f453ba04SDave Airlie */ 3397ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 3398f453ba04SDave Airlie { 3399f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 3400f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 3401f453ba04SDave Airlie 34021b116297SDaniel Vetter /* 34031b116297SDaniel Vetter * When the file gets released that means no one else can access the fb 34041b116297SDaniel Vetter * list any more, so no need to grab fpriv->fbs_lock. And we need to to 34051b116297SDaniel Vetter * avoid upsetting lockdep since the universal cursor code adds a 34061b116297SDaniel Vetter * framebuffer while holding mutex locks. 34071b116297SDaniel Vetter * 34081b116297SDaniel Vetter * Note that a real deadlock between fpriv->fbs_lock and the modeset 34091b116297SDaniel Vetter * locks is impossible here since no one else but this function can get 34101b116297SDaniel Vetter * at it any more. 34111b116297SDaniel Vetter */ 3412f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 34132b677e8cSDaniel Vetter 34142b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 34152b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 34162b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 34172b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 34182b677e8cSDaniel Vetter 34194b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 34202b677e8cSDaniel Vetter 34212b677e8cSDaniel Vetter /* This will also drop the fpriv->fbs reference. */ 3422f7eff60eSRob Clark drm_framebuffer_remove(fb); 3423f453ba04SDave Airlie } 3424f453ba04SDave Airlie } 3425f453ba04SDave Airlie 3426c8e32cc1SDaniel Vetter /** 3427c8e32cc1SDaniel Vetter * drm_property_create - create a new property type 3428c8e32cc1SDaniel Vetter * @dev: drm device 3429c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3430c8e32cc1SDaniel Vetter * @name: name of the property 3431c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3432c8e32cc1SDaniel Vetter * 3433c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3434c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3435c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3436c8e32cc1SDaniel Vetter * 34373b5b9932SDamien Lespiau * Note that the DRM core keeps a per-device list of properties and that, if 34383b5b9932SDamien Lespiau * drm_mode_config_cleanup() is called, it will destroy all properties created 34393b5b9932SDamien Lespiau * by the driver. 34403b5b9932SDamien Lespiau * 3441c8e32cc1SDaniel Vetter * Returns: 3442c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3443c8e32cc1SDaniel Vetter */ 3444f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 3445f453ba04SDave Airlie const char *name, int num_values) 3446f453ba04SDave Airlie { 3447f453ba04SDave Airlie struct drm_property *property = NULL; 34486bfc56aaSVille Syrjälä int ret; 3449f453ba04SDave Airlie 3450f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 3451f453ba04SDave Airlie if (!property) 3452f453ba04SDave Airlie return NULL; 3453f453ba04SDave Airlie 345498f75de4SRob Clark property->dev = dev; 345598f75de4SRob Clark 3456f453ba04SDave Airlie if (num_values) { 3457f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 3458f453ba04SDave Airlie if (!property->values) 3459f453ba04SDave Airlie goto fail; 3460f453ba04SDave Airlie } 3461f453ba04SDave Airlie 34626bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 34636bfc56aaSVille Syrjälä if (ret) 34646bfc56aaSVille Syrjälä goto fail; 34656bfc56aaSVille Syrjälä 3466f453ba04SDave Airlie property->flags = flags; 3467f453ba04SDave Airlie property->num_values = num_values; 34683758b341SDaniel Vetter INIT_LIST_HEAD(&property->enum_list); 3469f453ba04SDave Airlie 3470471dd2efSVinson Lee if (name) { 3471f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 3472471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 3473471dd2efSVinson Lee } 3474f453ba04SDave Airlie 3475f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 34765ea22f24SRob Clark 34775ea22f24SRob Clark WARN_ON(!drm_property_type_valid(property)); 34785ea22f24SRob Clark 3479f453ba04SDave Airlie return property; 3480f453ba04SDave Airlie fail: 34816bfc56aaSVille Syrjälä kfree(property->values); 3482f453ba04SDave Airlie kfree(property); 3483f453ba04SDave Airlie return NULL; 3484f453ba04SDave Airlie } 3485f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 3486f453ba04SDave Airlie 3487c8e32cc1SDaniel Vetter /** 34882aa9d2bcSThierry Reding * drm_property_create_enum - create a new enumeration property type 3489c8e32cc1SDaniel Vetter * @dev: drm device 3490c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3491c8e32cc1SDaniel Vetter * @name: name of the property 3492c8e32cc1SDaniel Vetter * @props: enumeration lists with property values 3493c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3494c8e32cc1SDaniel Vetter * 3495c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3496c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3497c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3498c8e32cc1SDaniel Vetter * 3499c8e32cc1SDaniel Vetter * Userspace is only allowed to set one of the predefined values for enumeration 3500c8e32cc1SDaniel Vetter * properties. 3501c8e32cc1SDaniel Vetter * 3502c8e32cc1SDaniel Vetter * Returns: 3503c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3504c8e32cc1SDaniel Vetter */ 35054a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 35064a67d391SSascha Hauer const char *name, 35074a67d391SSascha Hauer const struct drm_prop_enum_list *props, 35084a67d391SSascha Hauer int num_values) 35094a67d391SSascha Hauer { 35104a67d391SSascha Hauer struct drm_property *property; 35114a67d391SSascha Hauer int i, ret; 35124a67d391SSascha Hauer 35134a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 35144a67d391SSascha Hauer 35154a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 35164a67d391SSascha Hauer if (!property) 35174a67d391SSascha Hauer return NULL; 35184a67d391SSascha Hauer 35194a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 35204a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 35214a67d391SSascha Hauer props[i].type, 35224a67d391SSascha Hauer props[i].name); 35234a67d391SSascha Hauer if (ret) { 35244a67d391SSascha Hauer drm_property_destroy(dev, property); 35254a67d391SSascha Hauer return NULL; 35264a67d391SSascha Hauer } 35274a67d391SSascha Hauer } 35284a67d391SSascha Hauer 35294a67d391SSascha Hauer return property; 35304a67d391SSascha Hauer } 35314a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 35324a67d391SSascha Hauer 3533c8e32cc1SDaniel Vetter /** 35342aa9d2bcSThierry Reding * drm_property_create_bitmask - create a new bitmask property type 3535c8e32cc1SDaniel Vetter * @dev: drm device 3536c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3537c8e32cc1SDaniel Vetter * @name: name of the property 3538c8e32cc1SDaniel Vetter * @props: enumeration lists with property bitflags 3539295ee853SDaniel Vetter * @num_props: size of the @props array 3540295ee853SDaniel Vetter * @supported_bits: bitmask of all supported enumeration values 3541c8e32cc1SDaniel Vetter * 3542295ee853SDaniel Vetter * This creates a new bitmask drm property which can then be attached to a drm 3543c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3544c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3545c8e32cc1SDaniel Vetter * 3546c8e32cc1SDaniel Vetter * Compared to plain enumeration properties userspace is allowed to set any 3547c8e32cc1SDaniel Vetter * or'ed together combination of the predefined property bitflag values 3548c8e32cc1SDaniel Vetter * 3549c8e32cc1SDaniel Vetter * Returns: 3550c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3551c8e32cc1SDaniel Vetter */ 355249e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 355349e27545SRob Clark int flags, const char *name, 355449e27545SRob Clark const struct drm_prop_enum_list *props, 35557689ffb3SVille Syrjälä int num_props, 35567689ffb3SVille Syrjälä uint64_t supported_bits) 355749e27545SRob Clark { 355849e27545SRob Clark struct drm_property *property; 35597689ffb3SVille Syrjälä int i, ret, index = 0; 35607689ffb3SVille Syrjälä int num_values = hweight64(supported_bits); 356149e27545SRob Clark 356249e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 356349e27545SRob Clark 356449e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 356549e27545SRob Clark if (!property) 356649e27545SRob Clark return NULL; 35677689ffb3SVille Syrjälä for (i = 0; i < num_props; i++) { 35687689ffb3SVille Syrjälä if (!(supported_bits & (1ULL << props[i].type))) 35697689ffb3SVille Syrjälä continue; 357049e27545SRob Clark 35717689ffb3SVille Syrjälä if (WARN_ON(index >= num_values)) { 35727689ffb3SVille Syrjälä drm_property_destroy(dev, property); 35737689ffb3SVille Syrjälä return NULL; 35747689ffb3SVille Syrjälä } 35757689ffb3SVille Syrjälä 35767689ffb3SVille Syrjälä ret = drm_property_add_enum(property, index++, 357749e27545SRob Clark props[i].type, 357849e27545SRob Clark props[i].name); 357949e27545SRob Clark if (ret) { 358049e27545SRob Clark drm_property_destroy(dev, property); 358149e27545SRob Clark return NULL; 358249e27545SRob Clark } 358349e27545SRob Clark } 358449e27545SRob Clark 358549e27545SRob Clark return property; 358649e27545SRob Clark } 358749e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 358849e27545SRob Clark 3589ebc44cf3SRob Clark static struct drm_property *property_create_range(struct drm_device *dev, 3590ebc44cf3SRob Clark int flags, const char *name, 3591ebc44cf3SRob Clark uint64_t min, uint64_t max) 3592ebc44cf3SRob Clark { 3593ebc44cf3SRob Clark struct drm_property *property; 3594ebc44cf3SRob Clark 3595ebc44cf3SRob Clark property = drm_property_create(dev, flags, name, 2); 3596ebc44cf3SRob Clark if (!property) 3597ebc44cf3SRob Clark return NULL; 3598ebc44cf3SRob Clark 3599ebc44cf3SRob Clark property->values[0] = min; 3600ebc44cf3SRob Clark property->values[1] = max; 3601ebc44cf3SRob Clark 3602ebc44cf3SRob Clark return property; 3603ebc44cf3SRob Clark } 3604ebc44cf3SRob Clark 3605c8e32cc1SDaniel Vetter /** 36062aa9d2bcSThierry Reding * drm_property_create_range - create a new ranged property type 3607c8e32cc1SDaniel Vetter * @dev: drm device 3608c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3609c8e32cc1SDaniel Vetter * @name: name of the property 3610c8e32cc1SDaniel Vetter * @min: minimum value of the property 3611c8e32cc1SDaniel Vetter * @max: maximum value of the property 3612c8e32cc1SDaniel Vetter * 3613c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3614c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3615c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3616c8e32cc1SDaniel Vetter * 361732197aabSMasanari Iida * Userspace is allowed to set any integer value in the (min, max) range 3618c8e32cc1SDaniel Vetter * inclusive. 3619c8e32cc1SDaniel Vetter * 3620c8e32cc1SDaniel Vetter * Returns: 3621c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3622c8e32cc1SDaniel Vetter */ 3623d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 3624d9bc3c02SSascha Hauer const char *name, 3625d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 3626d9bc3c02SSascha Hauer { 3627ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_RANGE | flags, 3628ebc44cf3SRob Clark name, min, max); 3629d9bc3c02SSascha Hauer } 3630d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 3631d9bc3c02SSascha Hauer 3632ebc44cf3SRob Clark struct drm_property *drm_property_create_signed_range(struct drm_device *dev, 3633ebc44cf3SRob Clark int flags, const char *name, 3634ebc44cf3SRob Clark int64_t min, int64_t max) 3635ebc44cf3SRob Clark { 3636ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags, 3637ebc44cf3SRob Clark name, I642U64(min), I642U64(max)); 3638ebc44cf3SRob Clark } 3639ebc44cf3SRob Clark EXPORT_SYMBOL(drm_property_create_signed_range); 3640ebc44cf3SRob Clark 364198f75de4SRob Clark struct drm_property *drm_property_create_object(struct drm_device *dev, 364298f75de4SRob Clark int flags, const char *name, uint32_t type) 364398f75de4SRob Clark { 364498f75de4SRob Clark struct drm_property *property; 364598f75de4SRob Clark 364698f75de4SRob Clark flags |= DRM_MODE_PROP_OBJECT; 364798f75de4SRob Clark 364898f75de4SRob Clark property = drm_property_create(dev, flags, name, 1); 364998f75de4SRob Clark if (!property) 365098f75de4SRob Clark return NULL; 365198f75de4SRob Clark 365298f75de4SRob Clark property->values[0] = type; 365398f75de4SRob Clark 365498f75de4SRob Clark return property; 365598f75de4SRob Clark } 365698f75de4SRob Clark EXPORT_SYMBOL(drm_property_create_object); 365798f75de4SRob Clark 3658c8e32cc1SDaniel Vetter /** 3659c8e32cc1SDaniel Vetter * drm_property_add_enum - add a possible value to an enumeration property 3660c8e32cc1SDaniel Vetter * @property: enumeration property to change 3661c8e32cc1SDaniel Vetter * @index: index of the new enumeration 3662c8e32cc1SDaniel Vetter * @value: value of the new enumeration 3663c8e32cc1SDaniel Vetter * @name: symbolic name of the new enumeration 3664c8e32cc1SDaniel Vetter * 3665c8e32cc1SDaniel Vetter * This functions adds enumerations to a property. 3666c8e32cc1SDaniel Vetter * 3667c8e32cc1SDaniel Vetter * It's use is deprecated, drivers should use one of the more specific helpers 3668c8e32cc1SDaniel Vetter * to directly create the property with all enumerations already attached. 3669c8e32cc1SDaniel Vetter * 3670c8e32cc1SDaniel Vetter * Returns: 3671c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 3672c8e32cc1SDaniel Vetter */ 3673f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 3674f453ba04SDave Airlie uint64_t value, const char *name) 3675f453ba04SDave Airlie { 3676f453ba04SDave Airlie struct drm_property_enum *prop_enum; 3677f453ba04SDave Airlie 36785ea22f24SRob Clark if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 36795ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK))) 368049e27545SRob Clark return -EINVAL; 368149e27545SRob Clark 368249e27545SRob Clark /* 368349e27545SRob Clark * Bitmask enum properties have the additional constraint of values 368449e27545SRob Clark * from 0 to 63 368549e27545SRob Clark */ 36865ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && 36875ea22f24SRob Clark (value > 63)) 3688f453ba04SDave Airlie return -EINVAL; 3689f453ba04SDave Airlie 36903758b341SDaniel Vetter if (!list_empty(&property->enum_list)) { 36913758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 3692f453ba04SDave Airlie if (prop_enum->value == value) { 3693f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 3694f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 3695f453ba04SDave Airlie return 0; 3696f453ba04SDave Airlie } 3697f453ba04SDave Airlie } 3698f453ba04SDave Airlie } 3699f453ba04SDave Airlie 3700f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 3701f453ba04SDave Airlie if (!prop_enum) 3702f453ba04SDave Airlie return -ENOMEM; 3703f453ba04SDave Airlie 3704f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 3705f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 3706f453ba04SDave Airlie prop_enum->value = value; 3707f453ba04SDave Airlie 3708f453ba04SDave Airlie property->values[index] = value; 37093758b341SDaniel Vetter list_add_tail(&prop_enum->head, &property->enum_list); 3710f453ba04SDave Airlie return 0; 3711f453ba04SDave Airlie } 3712f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 3713f453ba04SDave Airlie 3714c8e32cc1SDaniel Vetter /** 3715c8e32cc1SDaniel Vetter * drm_property_destroy - destroy a drm property 3716c8e32cc1SDaniel Vetter * @dev: drm device 3717c8e32cc1SDaniel Vetter * @property: property to destry 3718c8e32cc1SDaniel Vetter * 3719c8e32cc1SDaniel Vetter * This function frees a property including any attached resources like 3720c8e32cc1SDaniel Vetter * enumeration values. 3721c8e32cc1SDaniel Vetter */ 3722f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 3723f453ba04SDave Airlie { 3724f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 3725f453ba04SDave Airlie 37263758b341SDaniel Vetter list_for_each_entry_safe(prop_enum, pt, &property->enum_list, head) { 3727f453ba04SDave Airlie list_del(&prop_enum->head); 3728f453ba04SDave Airlie kfree(prop_enum); 3729f453ba04SDave Airlie } 3730f453ba04SDave Airlie 3731f453ba04SDave Airlie if (property->num_values) 3732f453ba04SDave Airlie kfree(property->values); 3733f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 3734f453ba04SDave Airlie list_del(&property->head); 3735f453ba04SDave Airlie kfree(property); 3736f453ba04SDave Airlie } 3737f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 3738f453ba04SDave Airlie 3739c8e32cc1SDaniel Vetter /** 3740c8e32cc1SDaniel Vetter * drm_object_attach_property - attach a property to a modeset object 3741c8e32cc1SDaniel Vetter * @obj: drm modeset object 3742c8e32cc1SDaniel Vetter * @property: property to attach 3743c8e32cc1SDaniel Vetter * @init_val: initial value of the property 3744c8e32cc1SDaniel Vetter * 3745c8e32cc1SDaniel Vetter * This attaches the given property to the modeset object with the given initial 3746c8e32cc1SDaniel Vetter * value. Currently this function cannot fail since the properties are stored in 3747c8e32cc1SDaniel Vetter * a statically sized array. 3748c8e32cc1SDaniel Vetter */ 3749c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 3750c543188aSPaulo Zanoni struct drm_property *property, 3751c543188aSPaulo Zanoni uint64_t init_val) 3752c543188aSPaulo Zanoni { 37537f88a9beSPaulo Zanoni int count = obj->properties->count; 3754c543188aSPaulo Zanoni 37557f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 37567f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 37577f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 37587f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 37597f88a9beSPaulo Zanoni obj->type); 3760c543188aSPaulo Zanoni return; 3761c543188aSPaulo Zanoni } 3762c543188aSPaulo Zanoni 37637f88a9beSPaulo Zanoni obj->properties->ids[count] = property->base.id; 37647f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 37657f88a9beSPaulo Zanoni obj->properties->count++; 3766c543188aSPaulo Zanoni } 3767c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 3768c543188aSPaulo Zanoni 3769c8e32cc1SDaniel Vetter /** 3770c8e32cc1SDaniel Vetter * drm_object_property_set_value - set the value of a property 3771c8e32cc1SDaniel Vetter * @obj: drm mode object to set property value for 3772c8e32cc1SDaniel Vetter * @property: property to set 3773c8e32cc1SDaniel Vetter * @val: value the property should be set to 3774c8e32cc1SDaniel Vetter * 3775c8e32cc1SDaniel Vetter * This functions sets a given property on a given object. This function only 3776c8e32cc1SDaniel Vetter * changes the software state of the property, it does not call into the 3777c8e32cc1SDaniel Vetter * driver's ->set_property callback. 3778c8e32cc1SDaniel Vetter * 3779c8e32cc1SDaniel Vetter * Returns: 3780c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 3781c8e32cc1SDaniel Vetter */ 3782c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 3783c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 3784c543188aSPaulo Zanoni { 3785c543188aSPaulo Zanoni int i; 3786c543188aSPaulo Zanoni 37877f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 3788c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 3789c543188aSPaulo Zanoni obj->properties->values[i] = val; 3790c543188aSPaulo Zanoni return 0; 3791c543188aSPaulo Zanoni } 3792c543188aSPaulo Zanoni } 3793c543188aSPaulo Zanoni 3794c543188aSPaulo Zanoni return -EINVAL; 3795c543188aSPaulo Zanoni } 3796c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 3797c543188aSPaulo Zanoni 3798c8e32cc1SDaniel Vetter /** 3799c8e32cc1SDaniel Vetter * drm_object_property_get_value - retrieve the value of a property 3800c8e32cc1SDaniel Vetter * @obj: drm mode object to get property value from 3801c8e32cc1SDaniel Vetter * @property: property to retrieve 3802c8e32cc1SDaniel Vetter * @val: storage for the property value 3803c8e32cc1SDaniel Vetter * 3804c8e32cc1SDaniel Vetter * This function retrieves the softare state of the given property for the given 3805c8e32cc1SDaniel Vetter * property. Since there is no driver callback to retrieve the current property 3806c8e32cc1SDaniel Vetter * value this might be out of sync with the hardware, depending upon the driver 3807c8e32cc1SDaniel Vetter * and property. 3808c8e32cc1SDaniel Vetter * 3809c8e32cc1SDaniel Vetter * Returns: 3810c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 3811c8e32cc1SDaniel Vetter */ 3812c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 3813c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 3814c543188aSPaulo Zanoni { 3815c543188aSPaulo Zanoni int i; 3816c543188aSPaulo Zanoni 38177f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 3818c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 3819c543188aSPaulo Zanoni *val = obj->properties->values[i]; 3820c543188aSPaulo Zanoni return 0; 3821c543188aSPaulo Zanoni } 3822c543188aSPaulo Zanoni } 3823c543188aSPaulo Zanoni 3824c543188aSPaulo Zanoni return -EINVAL; 3825c543188aSPaulo Zanoni } 3826c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 3827c543188aSPaulo Zanoni 3828c8e32cc1SDaniel Vetter /** 38291a498633SDaniel Vetter * drm_mode_getproperty_ioctl - get the property metadata 3830c8e32cc1SDaniel Vetter * @dev: DRM device 3831c8e32cc1SDaniel Vetter * @data: ioctl data 3832c8e32cc1SDaniel Vetter * @file_priv: DRM file info 3833c8e32cc1SDaniel Vetter * 38341a498633SDaniel Vetter * This function retrieves the metadata for a given property, like the different 38351a498633SDaniel Vetter * possible values for an enum property or the limits for a range property. 38361a498633SDaniel Vetter * 38371a498633SDaniel Vetter * Blob properties are special 3838c8e32cc1SDaniel Vetter * 3839c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3840c8e32cc1SDaniel Vetter * 3841c8e32cc1SDaniel Vetter * Returns: 38421a498633SDaniel Vetter * Zero on success, negative errno on failure. 3843c8e32cc1SDaniel Vetter */ 3844f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 3845f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3846f453ba04SDave Airlie { 3847f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 3848f453ba04SDave Airlie struct drm_property *property; 3849f453ba04SDave Airlie int enum_count = 0; 3850f453ba04SDave Airlie int value_count = 0; 3851f453ba04SDave Airlie int ret = 0, i; 3852f453ba04SDave Airlie int copied; 3853f453ba04SDave Airlie struct drm_property_enum *prop_enum; 3854f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 3855f453ba04SDave Airlie uint64_t __user *values_ptr; 3856f453ba04SDave Airlie 3857fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3858fb3b06c8SDave Airlie return -EINVAL; 3859fb3b06c8SDave Airlie 386084849903SDaniel Vetter drm_modeset_lock_all(dev); 3861a2b34e22SRob Clark property = drm_property_find(dev, out_resp->prop_id); 3862a2b34e22SRob Clark if (!property) { 3863f27657f2SVille Syrjälä ret = -ENOENT; 3864f453ba04SDave Airlie goto done; 3865f453ba04SDave Airlie } 3866f453ba04SDave Airlie 38675ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 38685ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 38693758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) 3870f453ba04SDave Airlie enum_count++; 3871f453ba04SDave Airlie } 3872f453ba04SDave Airlie 3873f453ba04SDave Airlie value_count = property->num_values; 3874f453ba04SDave Airlie 3875f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 3876f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 3877f453ba04SDave Airlie out_resp->flags = property->flags; 3878f453ba04SDave Airlie 3879f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 388081f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 3881f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 3882f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 3883f453ba04SDave Airlie ret = -EFAULT; 3884f453ba04SDave Airlie goto done; 3885f453ba04SDave Airlie } 3886f453ba04SDave Airlie } 3887f453ba04SDave Airlie } 3888f453ba04SDave Airlie out_resp->count_values = value_count; 3889f453ba04SDave Airlie 38905ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 38915ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 3892f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 3893f453ba04SDave Airlie copied = 0; 389481f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 38953758b341SDaniel Vetter list_for_each_entry(prop_enum, &property->enum_list, head) { 3896f453ba04SDave Airlie 3897f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 3898f453ba04SDave Airlie ret = -EFAULT; 3899f453ba04SDave Airlie goto done; 3900f453ba04SDave Airlie } 3901f453ba04SDave Airlie 3902f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 3903f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 3904f453ba04SDave Airlie ret = -EFAULT; 3905f453ba04SDave Airlie goto done; 3906f453ba04SDave Airlie } 3907f453ba04SDave Airlie copied++; 3908f453ba04SDave Airlie } 3909f453ba04SDave Airlie } 3910f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 3911f453ba04SDave Airlie } 3912f453ba04SDave Airlie 39133758b341SDaniel Vetter /* 39143758b341SDaniel Vetter * NOTE: The idea seems to have been to use this to read all the blob 39153758b341SDaniel Vetter * property values. But nothing ever added them to the corresponding 39163758b341SDaniel Vetter * list, userspace always used the special-purpose get_blob ioctl to 39173758b341SDaniel Vetter * read the value for a blob property. It also doesn't make a lot of 39183758b341SDaniel Vetter * sense to return values here when everything else is just metadata for 39193758b341SDaniel Vetter * the property itself. 39203758b341SDaniel Vetter */ 39213758b341SDaniel Vetter if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) 39223758b341SDaniel Vetter out_resp->count_enum_blobs = 0; 3923f453ba04SDave Airlie done: 392484849903SDaniel Vetter drm_modeset_unlock_all(dev); 3925f453ba04SDave Airlie return ret; 3926f453ba04SDave Airlie } 3927f453ba04SDave Airlie 3928ecbbe59bSThierry Reding static struct drm_property_blob * 3929ecbbe59bSThierry Reding drm_property_create_blob(struct drm_device *dev, size_t length, 393012e6cecdSThierry Reding const void *data) 3931f453ba04SDave Airlie { 3932f453ba04SDave Airlie struct drm_property_blob *blob; 39336bfc56aaSVille Syrjälä int ret; 3934f453ba04SDave Airlie 3935f453ba04SDave Airlie if (!length || !data) 3936f453ba04SDave Airlie return NULL; 3937f453ba04SDave Airlie 3938f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 3939f453ba04SDave Airlie if (!blob) 3940f453ba04SDave Airlie return NULL; 3941f453ba04SDave Airlie 39426bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 39436bfc56aaSVille Syrjälä if (ret) { 39446bfc56aaSVille Syrjälä kfree(blob); 39456bfc56aaSVille Syrjälä return NULL; 39466bfc56aaSVille Syrjälä } 39476bfc56aaSVille Syrjälä 3948f453ba04SDave Airlie blob->length = length; 3949f453ba04SDave Airlie 3950f453ba04SDave Airlie memcpy(blob->data, data, length); 3951f453ba04SDave Airlie 3952f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 3953f453ba04SDave Airlie return blob; 3954f453ba04SDave Airlie } 3955f453ba04SDave Airlie 3956f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 3957f453ba04SDave Airlie struct drm_property_blob *blob) 3958f453ba04SDave Airlie { 3959f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 3960f453ba04SDave Airlie list_del(&blob->head); 3961f453ba04SDave Airlie kfree(blob); 3962f453ba04SDave Airlie } 3963f453ba04SDave Airlie 3964c8e32cc1SDaniel Vetter /** 3965c8e32cc1SDaniel Vetter * drm_mode_getblob_ioctl - get the contents of a blob property value 3966c8e32cc1SDaniel Vetter * @dev: DRM device 3967c8e32cc1SDaniel Vetter * @data: ioctl data 3968c8e32cc1SDaniel Vetter * @file_priv: DRM file info 3969c8e32cc1SDaniel Vetter * 3970c8e32cc1SDaniel Vetter * This function retrieves the contents of a blob property. The value stored in 3971c8e32cc1SDaniel Vetter * an object's blob property is just a normal modeset object id. 3972c8e32cc1SDaniel Vetter * 3973c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3974c8e32cc1SDaniel Vetter * 3975c8e32cc1SDaniel Vetter * Returns: 39761a498633SDaniel Vetter * Zero on success, negative errno on failure. 3977c8e32cc1SDaniel Vetter */ 3978f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 3979f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3980f453ba04SDave Airlie { 3981f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 3982f453ba04SDave Airlie struct drm_property_blob *blob; 3983f453ba04SDave Airlie int ret = 0; 398481f6c7f8SVille Syrjälä void __user *blob_ptr; 3985f453ba04SDave Airlie 3986fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3987fb3b06c8SDave Airlie return -EINVAL; 3988fb3b06c8SDave Airlie 398984849903SDaniel Vetter drm_modeset_lock_all(dev); 3990a2b34e22SRob Clark blob = drm_property_blob_find(dev, out_resp->blob_id); 3991a2b34e22SRob Clark if (!blob) { 3992f27657f2SVille Syrjälä ret = -ENOENT; 3993f453ba04SDave Airlie goto done; 3994f453ba04SDave Airlie } 3995f453ba04SDave Airlie 3996f453ba04SDave Airlie if (out_resp->length == blob->length) { 399781f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 3998f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 3999f453ba04SDave Airlie ret = -EFAULT; 4000f453ba04SDave Airlie goto done; 4001f453ba04SDave Airlie } 4002f453ba04SDave Airlie } 4003f453ba04SDave Airlie out_resp->length = blob->length; 4004f453ba04SDave Airlie 4005f453ba04SDave Airlie done: 400684849903SDaniel Vetter drm_modeset_unlock_all(dev); 4007f453ba04SDave Airlie return ret; 4008f453ba04SDave Airlie } 4009f453ba04SDave Airlie 4010cc7096fbSDave Airlie /** 4011cc7096fbSDave Airlie * drm_mode_connector_set_path_property - set tile property on connector 4012cc7096fbSDave Airlie * @connector: connector to set property on. 4013cc7096fbSDave Airlie * @path: path to use for property. 4014cc7096fbSDave Airlie * 4015cc7096fbSDave Airlie * This creates a property to expose to userspace to specify a 4016cc7096fbSDave Airlie * connector path. This is mainly used for DisplayPort MST where 4017cc7096fbSDave Airlie * connectors have a topology and we want to allow userspace to give 4018cc7096fbSDave Airlie * them more meaningful names. 4019cc7096fbSDave Airlie * 4020cc7096fbSDave Airlie * Returns: 40211a498633SDaniel Vetter * Zero on success, negative errno on failure. 4022cc7096fbSDave Airlie */ 402343aba7ebSDave Airlie int drm_mode_connector_set_path_property(struct drm_connector *connector, 402412e6cecdSThierry Reding const char *path) 402543aba7ebSDave Airlie { 402643aba7ebSDave Airlie struct drm_device *dev = connector->dev; 4027ecbbe59bSThierry Reding size_t size = strlen(path) + 1; 4028ecbbe59bSThierry Reding int ret; 402943aba7ebSDave Airlie 403043aba7ebSDave Airlie connector->path_blob_ptr = drm_property_create_blob(connector->dev, 403143aba7ebSDave Airlie size, path); 403243aba7ebSDave Airlie if (!connector->path_blob_ptr) 403343aba7ebSDave Airlie return -EINVAL; 403443aba7ebSDave Airlie 403543aba7ebSDave Airlie ret = drm_object_property_set_value(&connector->base, 403643aba7ebSDave Airlie dev->mode_config.path_property, 403743aba7ebSDave Airlie connector->path_blob_ptr->base.id); 403843aba7ebSDave Airlie return ret; 403943aba7ebSDave Airlie } 404043aba7ebSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_path_property); 404143aba7ebSDave Airlie 4042c8e32cc1SDaniel Vetter /** 4043c8e32cc1SDaniel Vetter * drm_mode_connector_update_edid_property - update the edid property of a connector 4044c8e32cc1SDaniel Vetter * @connector: drm connector 4045c8e32cc1SDaniel Vetter * @edid: new value of the edid property 4046c8e32cc1SDaniel Vetter * 4047c8e32cc1SDaniel Vetter * This function creates a new blob modeset object and assigns its id to the 4048c8e32cc1SDaniel Vetter * connector's edid property. 4049c8e32cc1SDaniel Vetter * 4050c8e32cc1SDaniel Vetter * Returns: 40511a498633SDaniel Vetter * Zero on success, negative errno on failure. 4052c8e32cc1SDaniel Vetter */ 4053f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 405412e6cecdSThierry Reding const struct edid *edid) 4055f453ba04SDave Airlie { 4056f453ba04SDave Airlie struct drm_device *dev = connector->dev; 4057ecbbe59bSThierry Reding size_t size; 4058ecbbe59bSThierry Reding int ret; 4059f453ba04SDave Airlie 40604cf2b281SThomas Wood /* ignore requests to set edid when overridden */ 40614cf2b281SThomas Wood if (connector->override_edid) 40624cf2b281SThomas Wood return 0; 40634cf2b281SThomas Wood 4064f453ba04SDave Airlie if (connector->edid_blob_ptr) 4065f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 4066f453ba04SDave Airlie 4067f453ba04SDave Airlie /* Delete edid, when there is none. */ 4068f453ba04SDave Airlie if (!edid) { 4069f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 407058495563SRob Clark ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); 4071f453ba04SDave Airlie return ret; 4072f453ba04SDave Airlie } 4073f453ba04SDave Airlie 40747466f4ccSAdam Jackson size = EDID_LENGTH * (1 + edid->extensions); 40757466f4ccSAdam Jackson connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 40767466f4ccSAdam Jackson size, edid); 4077e655d122SSachin Kamat if (!connector->edid_blob_ptr) 4078e655d122SSachin Kamat return -EINVAL; 4079f453ba04SDave Airlie 408058495563SRob Clark ret = drm_object_property_set_value(&connector->base, 4081f453ba04SDave Airlie dev->mode_config.edid_property, 4082f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 4083f453ba04SDave Airlie 4084f453ba04SDave Airlie return ret; 4085f453ba04SDave Airlie } 4086f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 4087f453ba04SDave Airlie 408826a34815SPaulo Zanoni static bool drm_property_change_is_valid(struct drm_property *property, 4089592c20eeSVille Syrjälä uint64_t value) 409026a34815SPaulo Zanoni { 409126a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 409226a34815SPaulo Zanoni return false; 40935ea22f24SRob Clark 40945ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) { 409526a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 409626a34815SPaulo Zanoni return false; 409726a34815SPaulo Zanoni return true; 4098ebc44cf3SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { 4099ebc44cf3SRob Clark int64_t svalue = U642I64(value); 4100ebc44cf3SRob Clark if (svalue < U642I64(property->values[0]) || 4101ebc44cf3SRob Clark svalue > U642I64(property->values[1])) 4102ebc44cf3SRob Clark return false; 4103ebc44cf3SRob Clark return true; 41045ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 410549e27545SRob Clark int i; 4106592c20eeSVille Syrjälä uint64_t valid_mask = 0; 410749e27545SRob Clark for (i = 0; i < property->num_values; i++) 410849e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 410949e27545SRob Clark return !(value & ~valid_mask); 41105ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { 4111c4a56750SVille Syrjälä /* Only the driver knows */ 4112c4a56750SVille Syrjälä return true; 411398f75de4SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 411498f75de4SRob Clark struct drm_mode_object *obj; 411598f75de4SRob Clark /* a zero value for an object property translates to null: */ 411698f75de4SRob Clark if (value == 0) 411798f75de4SRob Clark return true; 411898f75de4SRob Clark /* 411998f75de4SRob Clark * NOTE: use _object_find() directly to bypass restriction on 412098f75de4SRob Clark * looking up refcnt'd objects (ie. fb's). For a refcnt'd 412198f75de4SRob Clark * object this could race against object finalization, so it 412298f75de4SRob Clark * simply tells us that the object *was* valid. Which is good 412398f75de4SRob Clark * enough. 412498f75de4SRob Clark */ 412598f75de4SRob Clark obj = _object_find(property->dev, value, property->values[0]); 412698f75de4SRob Clark return obj != NULL; 412726a34815SPaulo Zanoni } else { 412826a34815SPaulo Zanoni int i; 412926a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 413026a34815SPaulo Zanoni if (property->values[i] == value) 413126a34815SPaulo Zanoni return true; 413226a34815SPaulo Zanoni return false; 413326a34815SPaulo Zanoni } 413426a34815SPaulo Zanoni } 413526a34815SPaulo Zanoni 4136c8e32cc1SDaniel Vetter /** 4137c8e32cc1SDaniel Vetter * drm_mode_connector_property_set_ioctl - set the current value of a connector property 4138c8e32cc1SDaniel Vetter * @dev: DRM device 4139c8e32cc1SDaniel Vetter * @data: ioctl data 4140c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4141c8e32cc1SDaniel Vetter * 4142c8e32cc1SDaniel Vetter * This function sets the current value for a connectors's property. It also 4143c8e32cc1SDaniel Vetter * calls into a driver's ->set_property callback to update the hardware state 4144c8e32cc1SDaniel Vetter * 4145c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4146c8e32cc1SDaniel Vetter * 4147c8e32cc1SDaniel Vetter * Returns: 41481a498633SDaniel Vetter * Zero on success, negative errno on failure. 4149c8e32cc1SDaniel Vetter */ 4150f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 4151f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4152f453ba04SDave Airlie { 41530057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 41540057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 41550057d8ddSPaulo Zanoni .value = conn_set_prop->value, 41560057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 41570057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 41580057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 41590057d8ddSPaulo Zanoni }; 4160f453ba04SDave Airlie 41610057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 41620057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 4163f453ba04SDave Airlie } 4164f453ba04SDave Airlie 4165c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 4166c543188aSPaulo Zanoni struct drm_property *property, 4167c543188aSPaulo Zanoni uint64_t value) 4168c543188aSPaulo Zanoni { 4169c543188aSPaulo Zanoni int ret = -EINVAL; 4170c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 4171c543188aSPaulo Zanoni 4172c543188aSPaulo Zanoni /* Do DPMS ourselves */ 4173c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 4174c543188aSPaulo Zanoni if (connector->funcs->dpms) 4175c543188aSPaulo Zanoni (*connector->funcs->dpms)(connector, (int)value); 4176c543188aSPaulo Zanoni ret = 0; 4177c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 4178c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 4179c543188aSPaulo Zanoni 4180c543188aSPaulo Zanoni /* store the property value if successful */ 4181c543188aSPaulo Zanoni if (!ret) 418258495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 4183c543188aSPaulo Zanoni return ret; 4184c543188aSPaulo Zanoni } 4185c543188aSPaulo Zanoni 4186bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 4187bffd9de0SPaulo Zanoni struct drm_property *property, 4188bffd9de0SPaulo Zanoni uint64_t value) 4189bffd9de0SPaulo Zanoni { 4190bffd9de0SPaulo Zanoni int ret = -EINVAL; 4191bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 4192bffd9de0SPaulo Zanoni 4193bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 4194bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 4195bffd9de0SPaulo Zanoni if (!ret) 4196bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 4197bffd9de0SPaulo Zanoni 4198bffd9de0SPaulo Zanoni return ret; 4199bffd9de0SPaulo Zanoni } 4200bffd9de0SPaulo Zanoni 42013a5f87c2SThomas Wood /** 42023a5f87c2SThomas Wood * drm_mode_plane_set_obj_prop - set the value of a property 42033a5f87c2SThomas Wood * @plane: drm plane object to set property value for 42043a5f87c2SThomas Wood * @property: property to set 42053a5f87c2SThomas Wood * @value: value the property should be set to 42063a5f87c2SThomas Wood * 42073a5f87c2SThomas Wood * This functions sets a given property on a given plane object. This function 42083a5f87c2SThomas Wood * calls the driver's ->set_property callback and changes the software state of 42093a5f87c2SThomas Wood * the property if the callback succeeds. 42103a5f87c2SThomas Wood * 42113a5f87c2SThomas Wood * Returns: 42123a5f87c2SThomas Wood * Zero on success, error code on failure. 42133a5f87c2SThomas Wood */ 42143a5f87c2SThomas Wood int drm_mode_plane_set_obj_prop(struct drm_plane *plane, 42154d93914aSRob Clark struct drm_property *property, 42164d93914aSRob Clark uint64_t value) 42174d93914aSRob Clark { 42184d93914aSRob Clark int ret = -EINVAL; 42193a5f87c2SThomas Wood struct drm_mode_object *obj = &plane->base; 42204d93914aSRob Clark 42214d93914aSRob Clark if (plane->funcs->set_property) 42224d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 42234d93914aSRob Clark if (!ret) 42244d93914aSRob Clark drm_object_property_set_value(obj, property, value); 42254d93914aSRob Clark 42264d93914aSRob Clark return ret; 42274d93914aSRob Clark } 42283a5f87c2SThomas Wood EXPORT_SYMBOL(drm_mode_plane_set_obj_prop); 42294d93914aSRob Clark 4230c8e32cc1SDaniel Vetter /** 42311a498633SDaniel Vetter * drm_mode_obj_get_properties_ioctl - get the current value of a object's property 4232c8e32cc1SDaniel Vetter * @dev: DRM device 4233c8e32cc1SDaniel Vetter * @data: ioctl data 4234c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4235c8e32cc1SDaniel Vetter * 4236c8e32cc1SDaniel Vetter * This function retrieves the current value for an object's property. Compared 4237c8e32cc1SDaniel Vetter * to the connector specific ioctl this one is extended to also work on crtc and 4238c8e32cc1SDaniel Vetter * plane objects. 4239c8e32cc1SDaniel Vetter * 4240c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4241c8e32cc1SDaniel Vetter * 4242c8e32cc1SDaniel Vetter * Returns: 42431a498633SDaniel Vetter * Zero on success, negative errno on failure. 4244c8e32cc1SDaniel Vetter */ 4245c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 4246c543188aSPaulo Zanoni struct drm_file *file_priv) 4247c543188aSPaulo Zanoni { 4248c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 4249c543188aSPaulo Zanoni struct drm_mode_object *obj; 4250c543188aSPaulo Zanoni int ret = 0; 4251c543188aSPaulo Zanoni int i; 4252c543188aSPaulo Zanoni int copied = 0; 4253c543188aSPaulo Zanoni int props_count = 0; 4254c543188aSPaulo Zanoni uint32_t __user *props_ptr; 4255c543188aSPaulo Zanoni uint64_t __user *prop_values_ptr; 4256c543188aSPaulo Zanoni 4257c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4258c543188aSPaulo Zanoni return -EINVAL; 4259c543188aSPaulo Zanoni 426084849903SDaniel Vetter drm_modeset_lock_all(dev); 4261c543188aSPaulo Zanoni 4262c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 4263c543188aSPaulo Zanoni if (!obj) { 4264f27657f2SVille Syrjälä ret = -ENOENT; 4265c543188aSPaulo Zanoni goto out; 4266c543188aSPaulo Zanoni } 4267c543188aSPaulo Zanoni if (!obj->properties) { 4268c543188aSPaulo Zanoni ret = -EINVAL; 4269c543188aSPaulo Zanoni goto out; 4270c543188aSPaulo Zanoni } 4271c543188aSPaulo Zanoni 42727f88a9beSPaulo Zanoni props_count = obj->properties->count; 4273c543188aSPaulo Zanoni 4274c543188aSPaulo Zanoni /* This ioctl is called twice, once to determine how much space is 4275c543188aSPaulo Zanoni * needed, and the 2nd time to fill it. */ 4276c543188aSPaulo Zanoni if ((arg->count_props >= props_count) && props_count) { 4277c543188aSPaulo Zanoni copied = 0; 4278c543188aSPaulo Zanoni props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); 4279c543188aSPaulo Zanoni prop_values_ptr = (uint64_t __user *)(unsigned long) 4280c543188aSPaulo Zanoni (arg->prop_values_ptr); 4281c543188aSPaulo Zanoni for (i = 0; i < props_count; i++) { 4282c543188aSPaulo Zanoni if (put_user(obj->properties->ids[i], 4283c543188aSPaulo Zanoni props_ptr + copied)) { 4284c543188aSPaulo Zanoni ret = -EFAULT; 4285c543188aSPaulo Zanoni goto out; 4286c543188aSPaulo Zanoni } 4287c543188aSPaulo Zanoni if (put_user(obj->properties->values[i], 4288c543188aSPaulo Zanoni prop_values_ptr + copied)) { 4289c543188aSPaulo Zanoni ret = -EFAULT; 4290c543188aSPaulo Zanoni goto out; 4291c543188aSPaulo Zanoni } 4292c543188aSPaulo Zanoni copied++; 4293c543188aSPaulo Zanoni } 4294c543188aSPaulo Zanoni } 4295c543188aSPaulo Zanoni arg->count_props = props_count; 4296c543188aSPaulo Zanoni out: 429784849903SDaniel Vetter drm_modeset_unlock_all(dev); 4298c543188aSPaulo Zanoni return ret; 4299c543188aSPaulo Zanoni } 4300c543188aSPaulo Zanoni 4301c8e32cc1SDaniel Vetter /** 4302c8e32cc1SDaniel Vetter * drm_mode_obj_set_property_ioctl - set the current value of an object's property 4303c8e32cc1SDaniel Vetter * @dev: DRM device 4304c8e32cc1SDaniel Vetter * @data: ioctl data 4305c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4306c8e32cc1SDaniel Vetter * 4307c8e32cc1SDaniel Vetter * This function sets the current value for an object's property. It also calls 4308c8e32cc1SDaniel Vetter * into a driver's ->set_property callback to update the hardware state. 4309c8e32cc1SDaniel Vetter * Compared to the connector specific ioctl this one is extended to also work on 4310c8e32cc1SDaniel Vetter * crtc and plane objects. 4311c8e32cc1SDaniel Vetter * 4312c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4313c8e32cc1SDaniel Vetter * 4314c8e32cc1SDaniel Vetter * Returns: 43151a498633SDaniel Vetter * Zero on success, negative errno on failure. 4316c8e32cc1SDaniel Vetter */ 4317c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 4318c543188aSPaulo Zanoni struct drm_file *file_priv) 4319c543188aSPaulo Zanoni { 4320c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 4321c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 4322c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 4323c543188aSPaulo Zanoni struct drm_property *property; 4324c543188aSPaulo Zanoni int ret = -EINVAL; 4325c543188aSPaulo Zanoni int i; 4326c543188aSPaulo Zanoni 4327c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4328c543188aSPaulo Zanoni return -EINVAL; 4329c543188aSPaulo Zanoni 433084849903SDaniel Vetter drm_modeset_lock_all(dev); 4331c543188aSPaulo Zanoni 4332c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 4333f27657f2SVille Syrjälä if (!arg_obj) { 4334f27657f2SVille Syrjälä ret = -ENOENT; 4335c543188aSPaulo Zanoni goto out; 4336f27657f2SVille Syrjälä } 4337c543188aSPaulo Zanoni if (!arg_obj->properties) 4338c543188aSPaulo Zanoni goto out; 4339c543188aSPaulo Zanoni 43407f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 4341c543188aSPaulo Zanoni if (arg_obj->properties->ids[i] == arg->prop_id) 4342c543188aSPaulo Zanoni break; 4343c543188aSPaulo Zanoni 43447f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 4345c543188aSPaulo Zanoni goto out; 4346c543188aSPaulo Zanoni 4347c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 4348c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 4349f27657f2SVille Syrjälä if (!prop_obj) { 4350f27657f2SVille Syrjälä ret = -ENOENT; 4351c543188aSPaulo Zanoni goto out; 4352f27657f2SVille Syrjälä } 4353c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 4354c543188aSPaulo Zanoni 4355c543188aSPaulo Zanoni if (!drm_property_change_is_valid(property, arg->value)) 4356c543188aSPaulo Zanoni goto out; 4357c543188aSPaulo Zanoni 4358c543188aSPaulo Zanoni switch (arg_obj->type) { 4359c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 4360c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 4361c543188aSPaulo Zanoni arg->value); 4362c543188aSPaulo Zanoni break; 4363bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 4364bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 4365bffd9de0SPaulo Zanoni break; 43664d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 43673a5f87c2SThomas Wood ret = drm_mode_plane_set_obj_prop(obj_to_plane(arg_obj), 43683a5f87c2SThomas Wood property, arg->value); 43694d93914aSRob Clark break; 4370c543188aSPaulo Zanoni } 4371c543188aSPaulo Zanoni 4372c543188aSPaulo Zanoni out: 437384849903SDaniel Vetter drm_modeset_unlock_all(dev); 4374c543188aSPaulo Zanoni return ret; 4375c543188aSPaulo Zanoni } 4376c543188aSPaulo Zanoni 4377c8e32cc1SDaniel Vetter /** 4378c8e32cc1SDaniel Vetter * drm_mode_connector_attach_encoder - attach a connector to an encoder 4379c8e32cc1SDaniel Vetter * @connector: connector to attach 4380c8e32cc1SDaniel Vetter * @encoder: encoder to attach @connector to 4381c8e32cc1SDaniel Vetter * 4382c8e32cc1SDaniel Vetter * This function links up a connector to an encoder. Note that the routing 4383c8e32cc1SDaniel Vetter * restrictions between encoders and crtcs are exposed to userspace through the 4384c8e32cc1SDaniel Vetter * possible_clones and possible_crtcs bitmasks. 4385c8e32cc1SDaniel Vetter * 4386c8e32cc1SDaniel Vetter * Returns: 43871a498633SDaniel Vetter * Zero on success, negative errno on failure. 4388c8e32cc1SDaniel Vetter */ 4389f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 4390f453ba04SDave Airlie struct drm_encoder *encoder) 4391f453ba04SDave Airlie { 4392f453ba04SDave Airlie int i; 4393f453ba04SDave Airlie 4394f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 4395f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 4396f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 4397f453ba04SDave Airlie return 0; 4398f453ba04SDave Airlie } 4399f453ba04SDave Airlie } 4400f453ba04SDave Airlie return -ENOMEM; 4401f453ba04SDave Airlie } 4402f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 4403f453ba04SDave Airlie 4404c8e32cc1SDaniel Vetter /** 4405c8e32cc1SDaniel Vetter * drm_mode_crtc_set_gamma_size - set the gamma table size 4406c8e32cc1SDaniel Vetter * @crtc: CRTC to set the gamma table size for 4407c8e32cc1SDaniel Vetter * @gamma_size: size of the gamma table 4408c8e32cc1SDaniel Vetter * 4409c8e32cc1SDaniel Vetter * Drivers which support gamma tables should set this to the supported gamma 4410c8e32cc1SDaniel Vetter * table size when initializing the CRTC. Currently the drm core only supports a 4411c8e32cc1SDaniel Vetter * fixed gamma table size. 4412c8e32cc1SDaniel Vetter * 4413c8e32cc1SDaniel Vetter * Returns: 44141a498633SDaniel Vetter * Zero on success, negative errno on failure. 4415c8e32cc1SDaniel Vetter */ 44164cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 4417f453ba04SDave Airlie int gamma_size) 4418f453ba04SDave Airlie { 4419f453ba04SDave Airlie crtc->gamma_size = gamma_size; 4420f453ba04SDave Airlie 4421f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 4422f453ba04SDave Airlie if (!crtc->gamma_store) { 4423f453ba04SDave Airlie crtc->gamma_size = 0; 44244cae5b84SSascha Hauer return -ENOMEM; 4425f453ba04SDave Airlie } 4426f453ba04SDave Airlie 44274cae5b84SSascha Hauer return 0; 4428f453ba04SDave Airlie } 4429f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 4430f453ba04SDave Airlie 4431c8e32cc1SDaniel Vetter /** 4432c8e32cc1SDaniel Vetter * drm_mode_gamma_set_ioctl - set the gamma table 4433c8e32cc1SDaniel Vetter * @dev: DRM device 4434c8e32cc1SDaniel Vetter * @data: ioctl data 4435c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4436c8e32cc1SDaniel Vetter * 4437c8e32cc1SDaniel Vetter * Set the gamma table of a CRTC to the one passed in by the user. Userspace can 4438c8e32cc1SDaniel Vetter * inquire the required gamma table size through drm_mode_gamma_get_ioctl. 4439c8e32cc1SDaniel Vetter * 4440c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4441c8e32cc1SDaniel Vetter * 4442c8e32cc1SDaniel Vetter * Returns: 44431a498633SDaniel Vetter * Zero on success, negative errno on failure. 4444c8e32cc1SDaniel Vetter */ 4445f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 4446f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4447f453ba04SDave Airlie { 4448f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 4449f453ba04SDave Airlie struct drm_crtc *crtc; 4450f453ba04SDave Airlie void *r_base, *g_base, *b_base; 4451f453ba04SDave Airlie int size; 4452f453ba04SDave Airlie int ret = 0; 4453f453ba04SDave Airlie 4454fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4455fb3b06c8SDave Airlie return -EINVAL; 4456fb3b06c8SDave Airlie 445784849903SDaniel Vetter drm_modeset_lock_all(dev); 4458a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 4459a2b34e22SRob Clark if (!crtc) { 4460f27657f2SVille Syrjälä ret = -ENOENT; 4461f453ba04SDave Airlie goto out; 4462f453ba04SDave Airlie } 4463f453ba04SDave Airlie 4464ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 4465ebe0f244SLaurent Pinchart ret = -ENOSYS; 4466ebe0f244SLaurent Pinchart goto out; 4467ebe0f244SLaurent Pinchart } 4468ebe0f244SLaurent Pinchart 4469f453ba04SDave Airlie /* memcpy into gamma store */ 4470f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 4471f453ba04SDave Airlie ret = -EINVAL; 4472f453ba04SDave Airlie goto out; 4473f453ba04SDave Airlie } 4474f453ba04SDave Airlie 4475f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 4476f453ba04SDave Airlie r_base = crtc->gamma_store; 4477f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 4478f453ba04SDave Airlie ret = -EFAULT; 4479f453ba04SDave Airlie goto out; 4480f453ba04SDave Airlie } 4481f453ba04SDave Airlie 4482f453ba04SDave Airlie g_base = r_base + size; 4483f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 4484f453ba04SDave Airlie ret = -EFAULT; 4485f453ba04SDave Airlie goto out; 4486f453ba04SDave Airlie } 4487f453ba04SDave Airlie 4488f453ba04SDave Airlie b_base = g_base + size; 4489f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 4490f453ba04SDave Airlie ret = -EFAULT; 4491f453ba04SDave Airlie goto out; 4492f453ba04SDave Airlie } 4493f453ba04SDave Airlie 44947203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 4495f453ba04SDave Airlie 4496f453ba04SDave Airlie out: 449784849903SDaniel Vetter drm_modeset_unlock_all(dev); 4498f453ba04SDave Airlie return ret; 4499f453ba04SDave Airlie 4500f453ba04SDave Airlie } 4501f453ba04SDave Airlie 4502c8e32cc1SDaniel Vetter /** 4503c8e32cc1SDaniel Vetter * drm_mode_gamma_get_ioctl - get the gamma table 4504c8e32cc1SDaniel Vetter * @dev: DRM device 4505c8e32cc1SDaniel Vetter * @data: ioctl data 4506c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4507c8e32cc1SDaniel Vetter * 4508c8e32cc1SDaniel Vetter * Copy the current gamma table into the storage provided. This also provides 4509c8e32cc1SDaniel Vetter * the gamma table size the driver expects, which can be used to size the 4510c8e32cc1SDaniel Vetter * allocated storage. 4511c8e32cc1SDaniel Vetter * 4512c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4513c8e32cc1SDaniel Vetter * 4514c8e32cc1SDaniel Vetter * Returns: 45151a498633SDaniel Vetter * Zero on success, negative errno on failure. 4516c8e32cc1SDaniel Vetter */ 4517f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 4518f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4519f453ba04SDave Airlie { 4520f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 4521f453ba04SDave Airlie struct drm_crtc *crtc; 4522f453ba04SDave Airlie void *r_base, *g_base, *b_base; 4523f453ba04SDave Airlie int size; 4524f453ba04SDave Airlie int ret = 0; 4525f453ba04SDave Airlie 4526fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4527fb3b06c8SDave Airlie return -EINVAL; 4528fb3b06c8SDave Airlie 452984849903SDaniel Vetter drm_modeset_lock_all(dev); 4530a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 4531a2b34e22SRob Clark if (!crtc) { 4532f27657f2SVille Syrjälä ret = -ENOENT; 4533f453ba04SDave Airlie goto out; 4534f453ba04SDave Airlie } 4535f453ba04SDave Airlie 4536f453ba04SDave Airlie /* memcpy into gamma store */ 4537f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 4538f453ba04SDave Airlie ret = -EINVAL; 4539f453ba04SDave Airlie goto out; 4540f453ba04SDave Airlie } 4541f453ba04SDave Airlie 4542f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 4543f453ba04SDave Airlie r_base = crtc->gamma_store; 4544f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 4545f453ba04SDave Airlie ret = -EFAULT; 4546f453ba04SDave Airlie goto out; 4547f453ba04SDave Airlie } 4548f453ba04SDave Airlie 4549f453ba04SDave Airlie g_base = r_base + size; 4550f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 4551f453ba04SDave Airlie ret = -EFAULT; 4552f453ba04SDave Airlie goto out; 4553f453ba04SDave Airlie } 4554f453ba04SDave Airlie 4555f453ba04SDave Airlie b_base = g_base + size; 4556f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 4557f453ba04SDave Airlie ret = -EFAULT; 4558f453ba04SDave Airlie goto out; 4559f453ba04SDave Airlie } 4560f453ba04SDave Airlie out: 456184849903SDaniel Vetter drm_modeset_unlock_all(dev); 4562f453ba04SDave Airlie return ret; 4563f453ba04SDave Airlie } 4564d91d8a3fSKristian Høgsberg 4565c8e32cc1SDaniel Vetter /** 4566c8e32cc1SDaniel Vetter * drm_mode_page_flip_ioctl - schedule an asynchronous fb update 4567c8e32cc1SDaniel Vetter * @dev: DRM device 4568c8e32cc1SDaniel Vetter * @data: ioctl data 4569c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4570c8e32cc1SDaniel Vetter * 4571c8e32cc1SDaniel Vetter * This schedules an asynchronous update on a given CRTC, called page flip. 4572c8e32cc1SDaniel Vetter * Optionally a drm event is generated to signal the completion of the event. 4573c8e32cc1SDaniel Vetter * Generic drivers cannot assume that a pageflip with changed framebuffer 4574c8e32cc1SDaniel Vetter * properties (including driver specific metadata like tiling layout) will work, 4575c8e32cc1SDaniel Vetter * but some drivers support e.g. pixel format changes through the pageflip 4576c8e32cc1SDaniel Vetter * ioctl. 4577c8e32cc1SDaniel Vetter * 4578c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4579c8e32cc1SDaniel Vetter * 4580c8e32cc1SDaniel Vetter * Returns: 45811a498633SDaniel Vetter * Zero on success, negative errno on failure. 4582c8e32cc1SDaniel Vetter */ 4583d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 4584d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 4585d91d8a3fSKristian Høgsberg { 4586d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 4587d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 45883d30a59bSDaniel Vetter struct drm_framebuffer *fb = NULL; 4589d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 4590d91d8a3fSKristian Høgsberg unsigned long flags; 4591d91d8a3fSKristian Høgsberg int ret = -EINVAL; 4592d91d8a3fSKristian Høgsberg 4593d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 4594d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 4595d91d8a3fSKristian Høgsberg return -EINVAL; 4596d91d8a3fSKristian Høgsberg 459762f2104fSKeith Packard if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip) 459862f2104fSKeith Packard return -EINVAL; 459962f2104fSKeith Packard 4600a2b34e22SRob Clark crtc = drm_crtc_find(dev, page_flip->crtc_id); 4601a2b34e22SRob Clark if (!crtc) 4602f27657f2SVille Syrjälä return -ENOENT; 4603d91d8a3fSKristian Høgsberg 46044d02e2deSDaniel Vetter drm_modeset_lock_crtc(crtc, crtc->primary); 4605f4510a27SMatt Roper if (crtc->primary->fb == NULL) { 460690c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 460790c1efddSChris Wilson * due to a hotplug event, that userspace has not 460890c1efddSChris Wilson * yet discovered. 460990c1efddSChris Wilson */ 461090c1efddSChris Wilson ret = -EBUSY; 461190c1efddSChris Wilson goto out; 461290c1efddSChris Wilson } 461390c1efddSChris Wilson 4614d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 4615d91d8a3fSKristian Høgsberg goto out; 4616d91d8a3fSKristian Høgsberg 4617786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 461837c4e705SVille Syrjälä if (!fb) { 461937c4e705SVille Syrjälä ret = -ENOENT; 4620d91d8a3fSKristian Høgsberg goto out; 462137c4e705SVille Syrjälä } 4622d91d8a3fSKristian Høgsberg 4623c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb); 4624c11e9283SDamien Lespiau if (ret) 46255f61bb42SVille Syrjälä goto out; 46265f61bb42SVille Syrjälä 4627f4510a27SMatt Roper if (crtc->primary->fb->pixel_format != fb->pixel_format) { 4628909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 4629909d9cdaSLaurent Pinchart ret = -EINVAL; 4630909d9cdaSLaurent Pinchart goto out; 4631909d9cdaSLaurent Pinchart } 4632909d9cdaSLaurent Pinchart 4633d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 4634d91d8a3fSKristian Høgsberg ret = -ENOMEM; 4635d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 4636d91d8a3fSKristian Høgsberg if (file_priv->event_space < sizeof e->event) { 4637d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4638d91d8a3fSKristian Høgsberg goto out; 4639d91d8a3fSKristian Høgsberg } 4640d91d8a3fSKristian Høgsberg file_priv->event_space -= sizeof e->event; 4641d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4642d91d8a3fSKristian Høgsberg 4643d91d8a3fSKristian Høgsberg e = kzalloc(sizeof *e, GFP_KERNEL); 4644d91d8a3fSKristian Høgsberg if (e == NULL) { 4645d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 4646d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 4647d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4648d91d8a3fSKristian Høgsberg goto out; 4649d91d8a3fSKristian Høgsberg } 4650d91d8a3fSKristian Høgsberg 46517bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 4652d91d8a3fSKristian Høgsberg e->event.base.length = sizeof e->event; 4653d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 4654d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 4655d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 4656d91d8a3fSKristian Høgsberg e->base.destroy = 4657d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 4658d91d8a3fSKristian Høgsberg } 4659d91d8a3fSKristian Høgsberg 46603d30a59bSDaniel Vetter crtc->primary->old_fb = crtc->primary->fb; 4661ed8d1975SKeith Packard ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags); 4662d91d8a3fSKristian Høgsberg if (ret) { 4663aef6a7eeSJoonyoung Shim if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 4664d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 4665d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 4666d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4667d91d8a3fSKristian Høgsberg kfree(e); 4668d91d8a3fSKristian Høgsberg } 4669b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 46703d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 4671b0d12325SDaniel Vetter } else { 46728cf1e981SThierry Reding /* 46738cf1e981SThierry Reding * Warn if the driver hasn't properly updated the crtc->fb 46748cf1e981SThierry Reding * field to reflect that the new framebuffer is now used. 46758cf1e981SThierry Reding * Failing to do so will screw with the reference counting 46768cf1e981SThierry Reding * on framebuffers. 46778cf1e981SThierry Reding */ 4678f4510a27SMatt Roper WARN_ON(crtc->primary->fb != fb); 4679b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 4680b0d12325SDaniel Vetter fb = NULL; 4681aef6a7eeSJoonyoung Shim } 4682d91d8a3fSKristian Høgsberg 4683d91d8a3fSKristian Høgsberg out: 4684b0d12325SDaniel Vetter if (fb) 4685b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 46863d30a59bSDaniel Vetter if (crtc->primary->old_fb) 46873d30a59bSDaniel Vetter drm_framebuffer_unreference(crtc->primary->old_fb); 46883d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 4689d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 4690b4d5e7d1SDaniel Vetter 4691d91d8a3fSKristian Høgsberg return ret; 4692d91d8a3fSKristian Høgsberg } 4693eb033556SChris Wilson 4694c8e32cc1SDaniel Vetter /** 4695c8e32cc1SDaniel Vetter * drm_mode_config_reset - call ->reset callbacks 4696c8e32cc1SDaniel Vetter * @dev: drm device 4697c8e32cc1SDaniel Vetter * 4698c8e32cc1SDaniel Vetter * This functions calls all the crtc's, encoder's and connector's ->reset 4699c8e32cc1SDaniel Vetter * callback. Drivers can use this in e.g. their driver load or resume code to 4700c8e32cc1SDaniel Vetter * reset hardware and software state. 4701c8e32cc1SDaniel Vetter */ 4702eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 4703eb033556SChris Wilson { 4704eb033556SChris Wilson struct drm_crtc *crtc; 47052a0d7cfdSDaniel Vetter struct drm_plane *plane; 4706eb033556SChris Wilson struct drm_encoder *encoder; 4707eb033556SChris Wilson struct drm_connector *connector; 4708eb033556SChris Wilson 47092a0d7cfdSDaniel Vetter list_for_each_entry(plane, &dev->mode_config.plane_list, head) 47102a0d7cfdSDaniel Vetter if (plane->funcs->reset) 47112a0d7cfdSDaniel Vetter plane->funcs->reset(plane); 47122a0d7cfdSDaniel Vetter 4713eb033556SChris Wilson list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 4714eb033556SChris Wilson if (crtc->funcs->reset) 4715eb033556SChris Wilson crtc->funcs->reset(crtc); 4716eb033556SChris Wilson 4717eb033556SChris Wilson list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 4718eb033556SChris Wilson if (encoder->funcs->reset) 4719eb033556SChris Wilson encoder->funcs->reset(encoder); 4720eb033556SChris Wilson 47215e2cb2f6SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 47225e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 47235e2cb2f6SDaniel Vetter 4724eb033556SChris Wilson if (connector->funcs->reset) 4725eb033556SChris Wilson connector->funcs->reset(connector); 4726eb033556SChris Wilson } 47275e2cb2f6SDaniel Vetter } 4728eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 4729ff72145bSDave Airlie 4730c8e32cc1SDaniel Vetter /** 4731c8e32cc1SDaniel Vetter * drm_mode_create_dumb_ioctl - create a dumb backing storage buffer 4732c8e32cc1SDaniel Vetter * @dev: DRM device 4733c8e32cc1SDaniel Vetter * @data: ioctl data 4734c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4735c8e32cc1SDaniel Vetter * 4736c8e32cc1SDaniel Vetter * This creates a new dumb buffer in the driver's backing storage manager (GEM, 4737c8e32cc1SDaniel Vetter * TTM or something else entirely) and returns the resulting buffer handle. This 4738c8e32cc1SDaniel Vetter * handle can then be wrapped up into a framebuffer modeset object. 4739c8e32cc1SDaniel Vetter * 4740c8e32cc1SDaniel Vetter * Note that userspace is not allowed to use such objects for render 4741c8e32cc1SDaniel Vetter * acceleration - drivers must create their own private ioctls for such a use 4742c8e32cc1SDaniel Vetter * case. 4743c8e32cc1SDaniel Vetter * 4744c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4745c8e32cc1SDaniel Vetter * 4746c8e32cc1SDaniel Vetter * Returns: 47471a498633SDaniel Vetter * Zero on success, negative errno on failure. 4748c8e32cc1SDaniel Vetter */ 4749ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 4750ff72145bSDave Airlie void *data, struct drm_file *file_priv) 4751ff72145bSDave Airlie { 4752ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 4753b28cd41fSDavid Herrmann u32 cpp, stride, size; 4754ff72145bSDave Airlie 4755ff72145bSDave Airlie if (!dev->driver->dumb_create) 4756ff72145bSDave Airlie return -ENOSYS; 4757b28cd41fSDavid Herrmann if (!args->width || !args->height || !args->bpp) 4758b28cd41fSDavid Herrmann return -EINVAL; 4759b28cd41fSDavid Herrmann 4760b28cd41fSDavid Herrmann /* overflow checks for 32bit size calculations */ 476100e72089SDavid Herrmann /* NOTE: DIV_ROUND_UP() can overflow */ 4762b28cd41fSDavid Herrmann cpp = DIV_ROUND_UP(args->bpp, 8); 476300e72089SDavid Herrmann if (!cpp || cpp > 0xffffffffU / args->width) 4764b28cd41fSDavid Herrmann return -EINVAL; 4765b28cd41fSDavid Herrmann stride = cpp * args->width; 4766b28cd41fSDavid Herrmann if (args->height > 0xffffffffU / stride) 4767b28cd41fSDavid Herrmann return -EINVAL; 4768b28cd41fSDavid Herrmann 4769b28cd41fSDavid Herrmann /* test for wrap-around */ 4770b28cd41fSDavid Herrmann size = args->height * stride; 4771b28cd41fSDavid Herrmann if (PAGE_ALIGN(size) == 0) 4772b28cd41fSDavid Herrmann return -EINVAL; 4773b28cd41fSDavid Herrmann 4774f6085952SThierry Reding /* 4775f6085952SThierry Reding * handle, pitch and size are output parameters. Zero them out to 4776f6085952SThierry Reding * prevent drivers from accidentally using uninitialized data. Since 4777f6085952SThierry Reding * not all existing userspace is clearing these fields properly we 4778f6085952SThierry Reding * cannot reject IOCTL with garbage in them. 4779f6085952SThierry Reding */ 4780f6085952SThierry Reding args->handle = 0; 4781f6085952SThierry Reding args->pitch = 0; 4782f6085952SThierry Reding args->size = 0; 4783f6085952SThierry Reding 4784ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 4785ff72145bSDave Airlie } 4786ff72145bSDave Airlie 4787c8e32cc1SDaniel Vetter /** 4788c8e32cc1SDaniel Vetter * drm_mode_mmap_dumb_ioctl - create an mmap offset for a dumb backing storage buffer 4789c8e32cc1SDaniel Vetter * @dev: DRM device 4790c8e32cc1SDaniel Vetter * @data: ioctl data 4791c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4792c8e32cc1SDaniel Vetter * 4793c8e32cc1SDaniel Vetter * Allocate an offset in the drm device node's address space to be able to 4794c8e32cc1SDaniel Vetter * memory map a dumb buffer. 4795c8e32cc1SDaniel Vetter * 4796c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4797c8e32cc1SDaniel Vetter * 4798c8e32cc1SDaniel Vetter * Returns: 47991a498633SDaniel Vetter * Zero on success, negative errno on failure. 4800c8e32cc1SDaniel Vetter */ 4801ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 4802ff72145bSDave Airlie void *data, struct drm_file *file_priv) 4803ff72145bSDave Airlie { 4804ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 4805ff72145bSDave Airlie 4806ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 4807ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 4808ff72145bSDave Airlie return -ENOSYS; 4809ff72145bSDave Airlie 4810ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 4811ff72145bSDave Airlie } 4812ff72145bSDave Airlie 4813c8e32cc1SDaniel Vetter /** 4814c8e32cc1SDaniel Vetter * drm_mode_destroy_dumb_ioctl - destroy a dumb backing strage buffer 4815c8e32cc1SDaniel Vetter * @dev: DRM device 4816c8e32cc1SDaniel Vetter * @data: ioctl data 4817c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4818c8e32cc1SDaniel Vetter * 4819c8e32cc1SDaniel Vetter * This destroys the userspace handle for the given dumb backing storage buffer. 4820c8e32cc1SDaniel Vetter * Since buffer objects must be reference counted in the kernel a buffer object 4821c8e32cc1SDaniel Vetter * won't be immediately freed if a framebuffer modeset object still uses it. 4822c8e32cc1SDaniel Vetter * 4823c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4824c8e32cc1SDaniel Vetter * 4825c8e32cc1SDaniel Vetter * Returns: 48261a498633SDaniel Vetter * Zero on success, negative errno on failure. 4827c8e32cc1SDaniel Vetter */ 4828ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 4829ff72145bSDave Airlie void *data, struct drm_file *file_priv) 4830ff72145bSDave Airlie { 4831ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 4832ff72145bSDave Airlie 4833ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 4834ff72145bSDave Airlie return -ENOSYS; 4835ff72145bSDave Airlie 4836ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 4837ff72145bSDave Airlie } 4838248dbc23SDave Airlie 4839c8e32cc1SDaniel Vetter /** 4840c8e32cc1SDaniel Vetter * drm_fb_get_bpp_depth - get the bpp/depth values for format 4841c8e32cc1SDaniel Vetter * @format: pixel format (DRM_FORMAT_*) 4842c8e32cc1SDaniel Vetter * @depth: storage for the depth value 4843c8e32cc1SDaniel Vetter * @bpp: storage for the bpp value 4844c8e32cc1SDaniel Vetter * 4845c8e32cc1SDaniel Vetter * This only supports RGB formats here for compat with code that doesn't use 4846c8e32cc1SDaniel Vetter * pixel formats directly yet. 4847248dbc23SDave Airlie */ 4848248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 4849248dbc23SDave Airlie int *bpp) 4850248dbc23SDave Airlie { 4851248dbc23SDave Airlie switch (format) { 4852c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 485304b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 485404b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 4855248dbc23SDave Airlie *depth = 8; 4856248dbc23SDave Airlie *bpp = 8; 4857248dbc23SDave Airlie break; 485804b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 485904b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 486004b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 486104b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 486204b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 486304b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 486404b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 486504b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 4866248dbc23SDave Airlie *depth = 15; 4867248dbc23SDave Airlie *bpp = 16; 4868248dbc23SDave Airlie break; 486904b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 487004b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 4871248dbc23SDave Airlie *depth = 16; 4872248dbc23SDave Airlie *bpp = 16; 4873248dbc23SDave Airlie break; 487404b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 487504b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 487604b3924dSVille Syrjälä *depth = 24; 487704b3924dSVille Syrjälä *bpp = 24; 487804b3924dSVille Syrjälä break; 487904b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 488004b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 488104b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 488204b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 4883248dbc23SDave Airlie *depth = 24; 4884248dbc23SDave Airlie *bpp = 32; 4885248dbc23SDave Airlie break; 488604b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 488704b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 488804b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 488904b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 489004b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 489104b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 489204b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 489304b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 4894248dbc23SDave Airlie *depth = 30; 4895248dbc23SDave Airlie *bpp = 32; 4896248dbc23SDave Airlie break; 489704b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 489804b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 489904b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 490004b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 4901248dbc23SDave Airlie *depth = 32; 4902248dbc23SDave Airlie *bpp = 32; 4903248dbc23SDave Airlie break; 4904248dbc23SDave Airlie default: 490523c453a4SVille Syrjälä DRM_DEBUG_KMS("unsupported pixel format %s\n", 490623c453a4SVille Syrjälä drm_get_format_name(format)); 4907248dbc23SDave Airlie *depth = 0; 4908248dbc23SDave Airlie *bpp = 0; 4909248dbc23SDave Airlie break; 4910248dbc23SDave Airlie } 4911248dbc23SDave Airlie } 4912248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 4913141670e9SVille Syrjälä 4914141670e9SVille Syrjälä /** 4915141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 4916141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 4917141670e9SVille Syrjälä * 4918c8e32cc1SDaniel Vetter * Returns: 4919141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 4920141670e9SVille Syrjälä */ 4921141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 4922141670e9SVille Syrjälä { 4923141670e9SVille Syrjälä switch (format) { 4924141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 4925141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 4926141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 4927141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 4928141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 4929141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 4930141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 4931141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 4932141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 4933141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 4934141670e9SVille Syrjälä return 3; 4935141670e9SVille Syrjälä case DRM_FORMAT_NV12: 4936141670e9SVille Syrjälä case DRM_FORMAT_NV21: 4937141670e9SVille Syrjälä case DRM_FORMAT_NV16: 4938141670e9SVille Syrjälä case DRM_FORMAT_NV61: 4939ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 4940ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 4941141670e9SVille Syrjälä return 2; 4942141670e9SVille Syrjälä default: 4943141670e9SVille Syrjälä return 1; 4944141670e9SVille Syrjälä } 4945141670e9SVille Syrjälä } 4946141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 49475a86bd55SVille Syrjälä 49485a86bd55SVille Syrjälä /** 49495a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 49505a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 49515a86bd55SVille Syrjälä * @plane: plane index 49525a86bd55SVille Syrjälä * 4953c8e32cc1SDaniel Vetter * Returns: 49545a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 49555a86bd55SVille Syrjälä */ 49565a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 49575a86bd55SVille Syrjälä { 49585a86bd55SVille Syrjälä unsigned int depth; 49595a86bd55SVille Syrjälä int bpp; 49605a86bd55SVille Syrjälä 49615a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 49625a86bd55SVille Syrjälä return 0; 49635a86bd55SVille Syrjälä 49645a86bd55SVille Syrjälä switch (format) { 49655a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 49665a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 49675a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 49685a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 49695a86bd55SVille Syrjälä return 2; 49705a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 49715a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 49725a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 49735a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 4974ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 4975ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 49765a86bd55SVille Syrjälä return plane ? 2 : 1; 49775a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 49785a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 49795a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 49805a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 49815a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 49825a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 49835a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 49845a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 49855a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 49865a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 49875a86bd55SVille Syrjälä return 1; 49885a86bd55SVille Syrjälä default: 49895a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 49905a86bd55SVille Syrjälä return bpp >> 3; 49915a86bd55SVille Syrjälä } 49925a86bd55SVille Syrjälä } 49935a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 499401b68b04SVille Syrjälä 499501b68b04SVille Syrjälä /** 499601b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 499701b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 499801b68b04SVille Syrjälä * 4999c8e32cc1SDaniel Vetter * Returns: 500001b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 500101b68b04SVille Syrjälä * specified pixel format. 500201b68b04SVille Syrjälä */ 500301b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 500401b68b04SVille Syrjälä { 500501b68b04SVille Syrjälä switch (format) { 500601b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 500701b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 500801b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 500901b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 501001b68b04SVille Syrjälä return 4; 501101b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 501201b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 501301b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 501401b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 501501b68b04SVille Syrjälä case DRM_FORMAT_NV12: 501601b68b04SVille Syrjälä case DRM_FORMAT_NV21: 501701b68b04SVille Syrjälä case DRM_FORMAT_NV16: 501801b68b04SVille Syrjälä case DRM_FORMAT_NV61: 501901b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 502001b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 502101b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 502201b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 502301b68b04SVille Syrjälä return 2; 502401b68b04SVille Syrjälä default: 502501b68b04SVille Syrjälä return 1; 502601b68b04SVille Syrjälä } 502701b68b04SVille Syrjälä } 502801b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 502901b68b04SVille Syrjälä 503001b68b04SVille Syrjälä /** 503101b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 503201b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 503301b68b04SVille Syrjälä * 5034c8e32cc1SDaniel Vetter * Returns: 503501b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 503601b68b04SVille Syrjälä * specified pixel format. 503701b68b04SVille Syrjälä */ 503801b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 503901b68b04SVille Syrjälä { 504001b68b04SVille Syrjälä switch (format) { 504101b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 504201b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 504301b68b04SVille Syrjälä return 4; 504401b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 504501b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 504601b68b04SVille Syrjälä case DRM_FORMAT_NV12: 504701b68b04SVille Syrjälä case DRM_FORMAT_NV21: 504801b68b04SVille Syrjälä return 2; 504901b68b04SVille Syrjälä default: 505001b68b04SVille Syrjälä return 1; 505101b68b04SVille Syrjälä } 505201b68b04SVille Syrjälä } 505301b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 505487d24fc3SLaurent Pinchart 505587d24fc3SLaurent Pinchart /** 50563c9855f6SVille Syrjälä * drm_rotation_simplify() - Try to simplify the rotation 50573c9855f6SVille Syrjälä * @rotation: Rotation to be simplified 50583c9855f6SVille Syrjälä * @supported_rotations: Supported rotations 50593c9855f6SVille Syrjälä * 50603c9855f6SVille Syrjälä * Attempt to simplify the rotation to a form that is supported. 50613c9855f6SVille Syrjälä * Eg. if the hardware supports everything except DRM_REFLECT_X 50623c9855f6SVille Syrjälä * one could call this function like this: 50633c9855f6SVille Syrjälä * 50643c9855f6SVille Syrjälä * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) | 50653c9855f6SVille Syrjälä * BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) | 50663c9855f6SVille Syrjälä * BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y)); 50673c9855f6SVille Syrjälä * 50683c9855f6SVille Syrjälä * to eliminate the DRM_ROTATE_X flag. Depending on what kind of 50693c9855f6SVille Syrjälä * transforms the hardware supports, this function may not 50703c9855f6SVille Syrjälä * be able to produce a supported transform, so the caller should 50713c9855f6SVille Syrjälä * check the result afterwards. 50723c9855f6SVille Syrjälä */ 50733c9855f6SVille Syrjälä unsigned int drm_rotation_simplify(unsigned int rotation, 50743c9855f6SVille Syrjälä unsigned int supported_rotations) 50753c9855f6SVille Syrjälä { 50763c9855f6SVille Syrjälä if (rotation & ~supported_rotations) { 50773c9855f6SVille Syrjälä rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y); 50783c9855f6SVille Syrjälä rotation = (rotation & ~0xf) | BIT((ffs(rotation & 0xf) + 1) % 4); 50793c9855f6SVille Syrjälä } 50803c9855f6SVille Syrjälä 50813c9855f6SVille Syrjälä return rotation; 50823c9855f6SVille Syrjälä } 50833c9855f6SVille Syrjälä EXPORT_SYMBOL(drm_rotation_simplify); 50843c9855f6SVille Syrjälä 50853c9855f6SVille Syrjälä /** 508687d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 508787d24fc3SLaurent Pinchart * @dev: DRM device 508887d24fc3SLaurent Pinchart * 508987d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 509087d24fc3SLaurent Pinchart * configuration of @dev. 509187d24fc3SLaurent Pinchart * 509287d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 509387d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 509487d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 509587d24fc3SLaurent Pinchart * 509687d24fc3SLaurent Pinchart */ 509787d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 509887d24fc3SLaurent Pinchart { 509987d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 510051fd371bSRob Clark drm_modeset_lock_init(&dev->mode_config.connection_mutex); 510187d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 510287d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 510387d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 510487d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 510587d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 51063b336ec4SSean Paul INIT_LIST_HEAD(&dev->mode_config.bridge_list); 510787d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 510887d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 510987d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 511087d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 511187d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 511287d24fc3SLaurent Pinchart 511387d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 511487d24fc3SLaurent Pinchart drm_mode_create_standard_connector_properties(dev); 51159922ab5aSRob Clark drm_mode_create_standard_plane_properties(dev); 511687d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 511787d24fc3SLaurent Pinchart 511887d24fc3SLaurent Pinchart /* Just to be sure */ 511987d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 512087d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 512187d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 512287d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 5123e27dde3eSMatt Roper dev->mode_config.num_overlay_plane = 0; 5124e27dde3eSMatt Roper dev->mode_config.num_total_plane = 0; 512587d24fc3SLaurent Pinchart } 512687d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 512787d24fc3SLaurent Pinchart 512887d24fc3SLaurent Pinchart /** 512987d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 513087d24fc3SLaurent Pinchart * @dev: DRM device 513187d24fc3SLaurent Pinchart * 513287d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 513387d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 513487d24fc3SLaurent Pinchart * 513587d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 513687d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 513787d24fc3SLaurent Pinchart * this guarantee actually holds true. 513887d24fc3SLaurent Pinchart * 513987d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 514087d24fc3SLaurent Pinchart */ 514187d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 514287d24fc3SLaurent Pinchart { 514387d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 514487d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 514587d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 51463b336ec4SSean Paul struct drm_bridge *bridge, *brt; 514787d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 514887d24fc3SLaurent Pinchart struct drm_property *property, *pt; 514987d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 515087d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 515187d24fc3SLaurent Pinchart 515287d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 515387d24fc3SLaurent Pinchart head) { 515487d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 515587d24fc3SLaurent Pinchart } 515687d24fc3SLaurent Pinchart 51573b336ec4SSean Paul list_for_each_entry_safe(bridge, brt, 51583b336ec4SSean Paul &dev->mode_config.bridge_list, head) { 51593b336ec4SSean Paul bridge->funcs->destroy(bridge); 51603b336ec4SSean Paul } 51613b336ec4SSean Paul 516287d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 516387d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 516487d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 516587d24fc3SLaurent Pinchart } 516687d24fc3SLaurent Pinchart 516787d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 516887d24fc3SLaurent Pinchart head) { 516987d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 517087d24fc3SLaurent Pinchart } 517187d24fc3SLaurent Pinchart 517287d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 517387d24fc3SLaurent Pinchart head) { 517487d24fc3SLaurent Pinchart drm_property_destroy_blob(dev, blob); 517587d24fc3SLaurent Pinchart } 517687d24fc3SLaurent Pinchart 517787d24fc3SLaurent Pinchart /* 517887d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 517987d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 518087d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 518187d24fc3SLaurent Pinchart * 518287d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 518387d24fc3SLaurent Pinchart * so politely WARN about this. 518487d24fc3SLaurent Pinchart */ 518587d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 518687d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 518787d24fc3SLaurent Pinchart drm_framebuffer_remove(fb); 518887d24fc3SLaurent Pinchart } 518987d24fc3SLaurent Pinchart 519087d24fc3SLaurent Pinchart list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 519187d24fc3SLaurent Pinchart head) { 519287d24fc3SLaurent Pinchart plane->funcs->destroy(plane); 519387d24fc3SLaurent Pinchart } 519487d24fc3SLaurent Pinchart 519587d24fc3SLaurent Pinchart list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 519687d24fc3SLaurent Pinchart crtc->funcs->destroy(crtc); 519787d24fc3SLaurent Pinchart } 519887d24fc3SLaurent Pinchart 519987d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 520051fd371bSRob Clark drm_modeset_lock_fini(&dev->mode_config.connection_mutex); 520187d24fc3SLaurent Pinchart } 520287d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 5203c1df5f3cSVille Syrjälä 5204c1df5f3cSVille Syrjälä struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, 5205c1df5f3cSVille Syrjälä unsigned int supported_rotations) 5206c1df5f3cSVille Syrjälä { 5207c1df5f3cSVille Syrjälä static const struct drm_prop_enum_list props[] = { 5208c1df5f3cSVille Syrjälä { DRM_ROTATE_0, "rotate-0" }, 5209c1df5f3cSVille Syrjälä { DRM_ROTATE_90, "rotate-90" }, 5210c1df5f3cSVille Syrjälä { DRM_ROTATE_180, "rotate-180" }, 5211c1df5f3cSVille Syrjälä { DRM_ROTATE_270, "rotate-270" }, 5212c1df5f3cSVille Syrjälä { DRM_REFLECT_X, "reflect-x" }, 5213c1df5f3cSVille Syrjälä { DRM_REFLECT_Y, "reflect-y" }, 5214c1df5f3cSVille Syrjälä }; 5215c1df5f3cSVille Syrjälä 5216c1df5f3cSVille Syrjälä return drm_property_create_bitmask(dev, 0, "rotation", 5217c1df5f3cSVille Syrjälä props, ARRAY_SIZE(props), 5218c1df5f3cSVille Syrjälä supported_rotations); 5219c1df5f3cSVille Syrjälä } 5220c1df5f3cSVille Syrjälä EXPORT_SYMBOL(drm_mode_create_rotation_property); 5221