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" 438bd441b2SDaniel Vetter 44c394c2b0SMatt Roper static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev, 45c394c2b0SMatt Roper struct drm_mode_fb_cmd2 *r, 46c394c2b0SMatt Roper struct drm_file *file_priv); 47c394c2b0SMatt Roper 48f453ba04SDave Airlie /* Avoid boilerplate. I'm tired of typing. */ 49f453ba04SDave Airlie #define DRM_ENUM_NAME_FN(fnname, list) \ 50d20d3174SVille Syrjälä const char *fnname(int val) \ 51f453ba04SDave Airlie { \ 52f453ba04SDave Airlie int i; \ 53f453ba04SDave Airlie for (i = 0; i < ARRAY_SIZE(list); i++) { \ 54f453ba04SDave Airlie if (list[i].type == val) \ 55f453ba04SDave Airlie return list[i].name; \ 56f453ba04SDave Airlie } \ 57f453ba04SDave Airlie return "(unknown)"; \ 58f453ba04SDave Airlie } 59f453ba04SDave Airlie 60f453ba04SDave Airlie /* 61f453ba04SDave Airlie * Global properties 62f453ba04SDave Airlie */ 63d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dpms_enum_list[] = 64f453ba04SDave Airlie { { DRM_MODE_DPMS_ON, "On" }, 65f453ba04SDave Airlie { DRM_MODE_DPMS_STANDBY, "Standby" }, 66f453ba04SDave Airlie { DRM_MODE_DPMS_SUSPEND, "Suspend" }, 67f453ba04SDave Airlie { DRM_MODE_DPMS_OFF, "Off" } 68f453ba04SDave Airlie }; 69f453ba04SDave Airlie 70f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) 71f453ba04SDave Airlie 729922ab5aSRob Clark static const struct drm_prop_enum_list drm_plane_type_enum_list[] = 739922ab5aSRob Clark { 749922ab5aSRob Clark { DRM_PLANE_TYPE_OVERLAY, "Overlay" }, 759922ab5aSRob Clark { DRM_PLANE_TYPE_PRIMARY, "Primary" }, 769922ab5aSRob Clark { DRM_PLANE_TYPE_CURSOR, "Cursor" }, 779922ab5aSRob Clark }; 789922ab5aSRob Clark 79f453ba04SDave Airlie /* 80f453ba04SDave Airlie * Optional properties 81f453ba04SDave Airlie */ 82d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = 83f453ba04SDave Airlie { 8453bd8389SJesse Barnes { DRM_MODE_SCALE_NONE, "None" }, 8553bd8389SJesse Barnes { DRM_MODE_SCALE_FULLSCREEN, "Full" }, 8653bd8389SJesse Barnes { DRM_MODE_SCALE_CENTER, "Center" }, 8753bd8389SJesse Barnes { DRM_MODE_SCALE_ASPECT, "Full aspect" }, 88f453ba04SDave Airlie }; 89f453ba04SDave Airlie 90ff587e45SVandana Kannan static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = { 91ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" }, 92ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_4_3, "4:3" }, 93ff587e45SVandana Kannan { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" }, 94ff587e45SVandana Kannan }; 95ff587e45SVandana Kannan 96f453ba04SDave Airlie /* 97f453ba04SDave Airlie * Non-global properties, but "required" for certain connectors. 98f453ba04SDave Airlie */ 99d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = 100f453ba04SDave Airlie { 101f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 102f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 103f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 104f453ba04SDave Airlie }; 105f453ba04SDave Airlie 106f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) 107f453ba04SDave Airlie 108d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = 109f453ba04SDave Airlie { 110f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 111f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ 112f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ 113f453ba04SDave Airlie }; 114f453ba04SDave Airlie 115f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, 116f453ba04SDave Airlie drm_dvi_i_subconnector_enum_list) 117f453ba04SDave Airlie 118d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_tv_select_enum_list[] = 119f453ba04SDave Airlie { 120f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ 121f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 122f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 123f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 124aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 125f453ba04SDave Airlie }; 126f453ba04SDave Airlie 127f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) 128f453ba04SDave Airlie 129d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = 130f453ba04SDave Airlie { 131f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ 132f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ 133f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ 134f453ba04SDave Airlie { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ 135aeaa1ad3SFrancisco Jerez { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ 136f453ba04SDave Airlie }; 137f453ba04SDave Airlie 138f453ba04SDave Airlie DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, 139f453ba04SDave Airlie drm_tv_subconnector_enum_list) 140f453ba04SDave Airlie 141d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { 142884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_OFF, "Off" }, 143884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ON, "On" }, 144884840aaSJakob Bornecrantz { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, 145884840aaSJakob Bornecrantz }; 146884840aaSJakob Bornecrantz 147f453ba04SDave Airlie struct drm_conn_prop_enum_list { 148f453ba04SDave Airlie int type; 149d20d3174SVille Syrjälä const char *name; 150b21e3afeSIlia Mirkin struct ida ida; 151f453ba04SDave Airlie }; 152f453ba04SDave Airlie 153f453ba04SDave Airlie /* 154f453ba04SDave Airlie * Connector and encoder types. 155f453ba04SDave Airlie */ 156f453ba04SDave Airlie static struct drm_conn_prop_enum_list drm_connector_enum_list[] = 157b21e3afeSIlia Mirkin { { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, 158b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VGA, "VGA" }, 159b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, 160b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, 161b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, 162b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Composite, "Composite" }, 163b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" }, 164b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, 165b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_Component, "Component" }, 166b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_9PinDIN, "DIN" }, 167b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, 168b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, 169b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, 170b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_TV, "TV" }, 171b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_eDP, "eDP" }, 172b21e3afeSIlia Mirkin { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, 173b8923273SShobhit Kumar { DRM_MODE_CONNECTOR_DSI, "DSI" }, 174f453ba04SDave Airlie }; 175f453ba04SDave Airlie 176d20d3174SVille Syrjälä static const struct drm_prop_enum_list drm_encoder_enum_list[] = 177f453ba04SDave Airlie { { DRM_MODE_ENCODER_NONE, "None" }, 178f453ba04SDave Airlie { DRM_MODE_ENCODER_DAC, "DAC" }, 179f453ba04SDave Airlie { DRM_MODE_ENCODER_TMDS, "TMDS" }, 180f453ba04SDave Airlie { DRM_MODE_ENCODER_LVDS, "LVDS" }, 181f453ba04SDave Airlie { DRM_MODE_ENCODER_TVDAC, "TV" }, 182a7331e5cSThomas Hellstrom { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, 183b8923273SShobhit Kumar { DRM_MODE_ENCODER_DSI, "DSI" }, 184182407a6SDave Airlie { DRM_MODE_ENCODER_DPMST, "DP MST" }, 185f453ba04SDave Airlie }; 186f453ba04SDave Airlie 187ac1bb36cSJesse Barnes static const struct drm_prop_enum_list drm_subpixel_enum_list[] = 188ac1bb36cSJesse Barnes { 189ac1bb36cSJesse Barnes { SubPixelUnknown, "Unknown" }, 190ac1bb36cSJesse Barnes { SubPixelHorizontalRGB, "Horizontal RGB" }, 191ac1bb36cSJesse Barnes { SubPixelHorizontalBGR, "Horizontal BGR" }, 192ac1bb36cSJesse Barnes { SubPixelVerticalRGB, "Vertical RGB" }, 193ac1bb36cSJesse Barnes { SubPixelVerticalBGR, "Vertical BGR" }, 194ac1bb36cSJesse Barnes { SubPixelNone, "None" }, 195ac1bb36cSJesse Barnes }; 196ac1bb36cSJesse Barnes 197b21e3afeSIlia Mirkin void drm_connector_ida_init(void) 198b21e3afeSIlia Mirkin { 199b21e3afeSIlia Mirkin int i; 200b21e3afeSIlia Mirkin 201b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 202b21e3afeSIlia Mirkin ida_init(&drm_connector_enum_list[i].ida); 203b21e3afeSIlia Mirkin } 204b21e3afeSIlia Mirkin 205b21e3afeSIlia Mirkin void drm_connector_ida_destroy(void) 206b21e3afeSIlia Mirkin { 207b21e3afeSIlia Mirkin int i; 208b21e3afeSIlia Mirkin 209b21e3afeSIlia Mirkin for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++) 210b21e3afeSIlia Mirkin ida_destroy(&drm_connector_enum_list[i].ida); 211b21e3afeSIlia Mirkin } 212b21e3afeSIlia Mirkin 213c8e32cc1SDaniel Vetter /** 214c8e32cc1SDaniel Vetter * drm_get_connector_status_name - return a string for connector status 215c8e32cc1SDaniel Vetter * @status: connector status to compute name of 216c8e32cc1SDaniel Vetter * 217c8e32cc1SDaniel Vetter * In contrast to the other drm_get_*_name functions this one here returns a 218c8e32cc1SDaniel Vetter * const pointer and hence is threadsafe. 219c8e32cc1SDaniel Vetter */ 220d20d3174SVille Syrjälä const char *drm_get_connector_status_name(enum drm_connector_status status) 221f453ba04SDave Airlie { 222f453ba04SDave Airlie if (status == connector_status_connected) 223f453ba04SDave Airlie return "connected"; 224f453ba04SDave Airlie else if (status == connector_status_disconnected) 225f453ba04SDave Airlie return "disconnected"; 226f453ba04SDave Airlie else 227f453ba04SDave Airlie return "unknown"; 228f453ba04SDave Airlie } 229ed7951dcSLespiau, Damien EXPORT_SYMBOL(drm_get_connector_status_name); 230f453ba04SDave Airlie 231ac1bb36cSJesse Barnes /** 232ac1bb36cSJesse Barnes * drm_get_subpixel_order_name - return a string for a given subpixel enum 233ac1bb36cSJesse Barnes * @order: enum of subpixel_order 234ac1bb36cSJesse Barnes * 235ac1bb36cSJesse Barnes * Note you could abuse this and return something out of bounds, but that 236ac1bb36cSJesse Barnes * would be a caller error. No unscrubbed user data should make it here. 237ac1bb36cSJesse Barnes */ 238ac1bb36cSJesse Barnes const char *drm_get_subpixel_order_name(enum subpixel_order order) 239ac1bb36cSJesse Barnes { 240ac1bb36cSJesse Barnes return drm_subpixel_enum_list[order].name; 241ac1bb36cSJesse Barnes } 242ac1bb36cSJesse Barnes EXPORT_SYMBOL(drm_get_subpixel_order_name); 243ac1bb36cSJesse Barnes 2446ba6d03eSVille Syrjälä static char printable_char(int c) 2456ba6d03eSVille Syrjälä { 2466ba6d03eSVille Syrjälä return isascii(c) && isprint(c) ? c : '?'; 2476ba6d03eSVille Syrjälä } 2486ba6d03eSVille Syrjälä 249c8e32cc1SDaniel Vetter /** 250c8e32cc1SDaniel Vetter * drm_get_format_name - return a string for drm fourcc format 251c8e32cc1SDaniel Vetter * @format: format to compute name of 252c8e32cc1SDaniel Vetter * 253c8e32cc1SDaniel Vetter * Note that the buffer used by this function is globally shared and owned by 254c8e32cc1SDaniel Vetter * the function itself. 255c8e32cc1SDaniel Vetter * 256c8e32cc1SDaniel Vetter * FIXME: This isn't really multithreading safe. 257c8e32cc1SDaniel Vetter */ 258d20d3174SVille Syrjälä const char *drm_get_format_name(uint32_t format) 2596ba6d03eSVille Syrjälä { 2606ba6d03eSVille Syrjälä static char buf[32]; 2616ba6d03eSVille Syrjälä 2626ba6d03eSVille Syrjälä snprintf(buf, sizeof(buf), 2636ba6d03eSVille Syrjälä "%c%c%c%c %s-endian (0x%08x)", 2646ba6d03eSVille Syrjälä printable_char(format & 0xff), 2656ba6d03eSVille Syrjälä printable_char((format >> 8) & 0xff), 2666ba6d03eSVille Syrjälä printable_char((format >> 16) & 0xff), 2676ba6d03eSVille Syrjälä printable_char((format >> 24) & 0x7f), 2686ba6d03eSVille Syrjälä format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", 2696ba6d03eSVille Syrjälä format); 2706ba6d03eSVille Syrjälä 2716ba6d03eSVille Syrjälä return buf; 2726ba6d03eSVille Syrjälä } 2736ba6d03eSVille Syrjälä EXPORT_SYMBOL(drm_get_format_name); 2746ba6d03eSVille Syrjälä 2752ee39452SDave Airlie /* 2762ee39452SDave Airlie * Internal function to assign a slot in the object idr and optionally 2772ee39452SDave Airlie * register the object into the idr. 2782ee39452SDave Airlie */ 2792ee39452SDave Airlie static int drm_mode_object_get_reg(struct drm_device *dev, 2802ee39452SDave Airlie struct drm_mode_object *obj, 2812ee39452SDave Airlie uint32_t obj_type, 2822ee39452SDave Airlie bool register_obj) 2832ee39452SDave Airlie { 2842ee39452SDave Airlie int ret; 2852ee39452SDave Airlie 2862ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 2872ee39452SDave Airlie ret = idr_alloc(&dev->mode_config.crtc_idr, register_obj ? obj : NULL, 1, 0, GFP_KERNEL); 2882ee39452SDave Airlie if (ret >= 0) { 2892ee39452SDave Airlie /* 2902ee39452SDave Airlie * Set up the object linking under the protection of the idr 2912ee39452SDave Airlie * lock so that other users can't see inconsistent state. 2922ee39452SDave Airlie */ 2932ee39452SDave Airlie obj->id = ret; 2942ee39452SDave Airlie obj->type = obj_type; 2952ee39452SDave Airlie } 2962ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 2972ee39452SDave Airlie 2982ee39452SDave Airlie return ret < 0 ? ret : 0; 2992ee39452SDave Airlie } 3002ee39452SDave Airlie 301f453ba04SDave Airlie /** 302065a50edSDaniel Vetter * drm_mode_object_get - allocate a new modeset identifier 303f453ba04SDave Airlie * @dev: DRM device 304065a50edSDaniel Vetter * @obj: object pointer, used to generate unique ID 305065a50edSDaniel Vetter * @obj_type: object type 306f453ba04SDave Airlie * 307f453ba04SDave Airlie * Create a unique identifier based on @ptr in @dev's identifier space. Used 308c8e32cc1SDaniel Vetter * for tracking modes, CRTCs and connectors. Note that despite the _get postfix 309c8e32cc1SDaniel Vetter * modeset identifiers are _not_ reference counted. Hence don't use this for 310c8e32cc1SDaniel Vetter * reference counted modeset objects like framebuffers. 311f453ba04SDave Airlie * 312c8e32cc1SDaniel Vetter * Returns: 313f453ba04SDave Airlie * New unique (relative to other objects in @dev) integer identifier for the 314f453ba04SDave Airlie * object. 315f453ba04SDave Airlie */ 3168bd441b2SDaniel Vetter int drm_mode_object_get(struct drm_device *dev, 317f453ba04SDave Airlie struct drm_mode_object *obj, uint32_t obj_type) 318f453ba04SDave Airlie { 3192ee39452SDave Airlie return drm_mode_object_get_reg(dev, obj, obj_type, true); 3204b096ac1SDaniel Vetter } 3214b096ac1SDaniel Vetter 3222ee39452SDave Airlie static void drm_mode_object_register(struct drm_device *dev, 3232ee39452SDave Airlie struct drm_mode_object *obj) 3242ee39452SDave Airlie { 3252ee39452SDave Airlie mutex_lock(&dev->mode_config.idr_mutex); 3262ee39452SDave Airlie idr_replace(&dev->mode_config.crtc_idr, obj, obj->id); 3272ee39452SDave Airlie mutex_unlock(&dev->mode_config.idr_mutex); 328f453ba04SDave Airlie } 329f453ba04SDave Airlie 330f453ba04SDave Airlie /** 331065a50edSDaniel Vetter * drm_mode_object_put - free a modeset identifer 332f453ba04SDave Airlie * @dev: DRM device 333065a50edSDaniel Vetter * @object: object to free 334f453ba04SDave Airlie * 335c8e32cc1SDaniel Vetter * Free @id from @dev's unique identifier pool. Note that despite the _get 336c8e32cc1SDaniel Vetter * postfix modeset identifiers are _not_ reference counted. Hence don't use this 337c8e32cc1SDaniel Vetter * for reference counted modeset objects like framebuffers. 338f453ba04SDave Airlie */ 3398bd441b2SDaniel Vetter void drm_mode_object_put(struct drm_device *dev, 340f453ba04SDave Airlie struct drm_mode_object *object) 341f453ba04SDave Airlie { 342ad2563c2SJesse Barnes mutex_lock(&dev->mode_config.idr_mutex); 343f453ba04SDave Airlie idr_remove(&dev->mode_config.crtc_idr, object->id); 344ad2563c2SJesse Barnes mutex_unlock(&dev->mode_config.idr_mutex); 345f453ba04SDave Airlie } 346f453ba04SDave Airlie 34798f75de4SRob Clark static struct drm_mode_object *_object_find(struct drm_device *dev, 34898f75de4SRob Clark uint32_t id, uint32_t type) 34998f75de4SRob Clark { 35098f75de4SRob Clark struct drm_mode_object *obj = NULL; 35198f75de4SRob Clark 35298f75de4SRob Clark mutex_lock(&dev->mode_config.idr_mutex); 35398f75de4SRob Clark obj = idr_find(&dev->mode_config.crtc_idr, id); 354168c02ecSDaniel Vetter if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type) 355168c02ecSDaniel Vetter obj = NULL; 356168c02ecSDaniel Vetter if (obj && obj->id != id) 357168c02ecSDaniel Vetter obj = NULL; 358168c02ecSDaniel Vetter /* don't leak out unref'd fb's */ 359168c02ecSDaniel Vetter if (obj && (obj->type == DRM_MODE_OBJECT_FB)) 36098f75de4SRob Clark obj = NULL; 36198f75de4SRob Clark mutex_unlock(&dev->mode_config.idr_mutex); 36298f75de4SRob Clark 36398f75de4SRob Clark return obj; 36498f75de4SRob Clark } 36598f75de4SRob Clark 366786b99edSDaniel Vetter /** 367786b99edSDaniel Vetter * drm_mode_object_find - look up a drm object with static lifetime 368786b99edSDaniel Vetter * @dev: drm device 369786b99edSDaniel Vetter * @id: id of the mode object 370786b99edSDaniel Vetter * @type: type of the mode object 371786b99edSDaniel Vetter * 372786b99edSDaniel Vetter * Note that framebuffers cannot be looked up with this functions - since those 37398f75de4SRob Clark * are reference counted, they need special treatment. Even with 37498f75de4SRob Clark * DRM_MODE_OBJECT_ANY (although that will simply return NULL 37598f75de4SRob Clark * rather than WARN_ON()). 376786b99edSDaniel Vetter */ 3777a9c9060SDaniel Vetter struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, 3787a9c9060SDaniel Vetter uint32_t id, uint32_t type) 379f453ba04SDave Airlie { 380ad2563c2SJesse Barnes struct drm_mode_object *obj = NULL; 381f453ba04SDave Airlie 382786b99edSDaniel Vetter /* Framebuffers are reference counted and need their own lookup 383786b99edSDaniel Vetter * function.*/ 384786b99edSDaniel Vetter WARN_ON(type == DRM_MODE_OBJECT_FB); 38598f75de4SRob Clark obj = _object_find(dev, id, type); 386f453ba04SDave Airlie return obj; 387f453ba04SDave Airlie } 388f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_object_find); 389f453ba04SDave Airlie 390f453ba04SDave Airlie /** 391f453ba04SDave Airlie * drm_framebuffer_init - initialize a framebuffer 392f453ba04SDave Airlie * @dev: DRM device 393065a50edSDaniel Vetter * @fb: framebuffer to be initialized 394065a50edSDaniel Vetter * @funcs: ... with these functions 395f453ba04SDave Airlie * 396f453ba04SDave Airlie * Allocates an ID for the framebuffer's parent mode object, sets its mode 397f453ba04SDave Airlie * functions & device file and adds it to the master fd list. 398f453ba04SDave Airlie * 3994b096ac1SDaniel Vetter * IMPORTANT: 4004b096ac1SDaniel Vetter * This functions publishes the fb and makes it available for concurrent access 4014b096ac1SDaniel Vetter * by other users. Which means by this point the fb _must_ be fully set up - 4024b096ac1SDaniel Vetter * since all the fb attributes are invariant over its lifetime, no further 4034b096ac1SDaniel Vetter * locking but only correct reference counting is required. 4044b096ac1SDaniel Vetter * 405c8e32cc1SDaniel Vetter * Returns: 406af901ca1SAndré Goddard Rosa * Zero on success, error code on failure. 407f453ba04SDave Airlie */ 408f453ba04SDave Airlie int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, 409f453ba04SDave Airlie const struct drm_framebuffer_funcs *funcs) 410f453ba04SDave Airlie { 411f453ba04SDave Airlie int ret; 412f453ba04SDave Airlie 4134b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 414f7eff60eSRob Clark kref_init(&fb->refcount); 4154b096ac1SDaniel Vetter INIT_LIST_HEAD(&fb->filp_head); 4164b096ac1SDaniel Vetter fb->dev = dev; 4174b096ac1SDaniel Vetter fb->funcs = funcs; 418f7eff60eSRob Clark 419f453ba04SDave Airlie ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); 4206bfc56aaSVille Syrjälä if (ret) 4214b096ac1SDaniel Vetter goto out; 422f453ba04SDave Airlie 423f453ba04SDave Airlie dev->mode_config.num_fb++; 424f453ba04SDave Airlie list_add(&fb->head, &dev->mode_config.fb_list); 4254b096ac1SDaniel Vetter out: 4264b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 427f453ba04SDave Airlie 428f453ba04SDave Airlie return 0; 429f453ba04SDave Airlie } 430f453ba04SDave Airlie EXPORT_SYMBOL(drm_framebuffer_init); 431f453ba04SDave Airlie 43283f45fc3SDaniel Vetter /* dev->mode_config.fb_lock must be held! */ 43383f45fc3SDaniel Vetter static void __drm_framebuffer_unregister(struct drm_device *dev, 43483f45fc3SDaniel Vetter struct drm_framebuffer *fb) 43583f45fc3SDaniel Vetter { 43683f45fc3SDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 43783f45fc3SDaniel Vetter idr_remove(&dev->mode_config.crtc_idr, fb->base.id); 43883f45fc3SDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 43983f45fc3SDaniel Vetter 44083f45fc3SDaniel Vetter fb->base.id = 0; 44183f45fc3SDaniel Vetter } 44283f45fc3SDaniel Vetter 443f7eff60eSRob Clark static void drm_framebuffer_free(struct kref *kref) 444f7eff60eSRob Clark { 445f7eff60eSRob Clark struct drm_framebuffer *fb = 446f7eff60eSRob Clark container_of(kref, struct drm_framebuffer, refcount); 44783f45fc3SDaniel Vetter struct drm_device *dev = fb->dev; 44883f45fc3SDaniel Vetter 44983f45fc3SDaniel Vetter /* 45083f45fc3SDaniel Vetter * The lookup idr holds a weak reference, which has not necessarily been 45183f45fc3SDaniel Vetter * removed at this point. Check for that. 45283f45fc3SDaniel Vetter */ 45383f45fc3SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 45483f45fc3SDaniel Vetter if (fb->base.id) { 45583f45fc3SDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 45683f45fc3SDaniel Vetter __drm_framebuffer_unregister(dev, fb); 45783f45fc3SDaniel Vetter } 45883f45fc3SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 45983f45fc3SDaniel Vetter 460f7eff60eSRob Clark fb->funcs->destroy(fb); 461f7eff60eSRob Clark } 462f7eff60eSRob Clark 4632b677e8cSDaniel Vetter static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, 4642b677e8cSDaniel Vetter uint32_t id) 4652b677e8cSDaniel Vetter { 4662b677e8cSDaniel Vetter struct drm_mode_object *obj = NULL; 4672b677e8cSDaniel Vetter struct drm_framebuffer *fb; 4682b677e8cSDaniel Vetter 4692b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.idr_mutex); 4702b677e8cSDaniel Vetter obj = idr_find(&dev->mode_config.crtc_idr, id); 4712b677e8cSDaniel Vetter if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) 4722b677e8cSDaniel Vetter fb = NULL; 4732b677e8cSDaniel Vetter else 4742b677e8cSDaniel Vetter fb = obj_to_fb(obj); 4752b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.idr_mutex); 4762b677e8cSDaniel Vetter 4772b677e8cSDaniel Vetter return fb; 4782b677e8cSDaniel Vetter } 4792b677e8cSDaniel Vetter 480f7eff60eSRob Clark /** 481786b99edSDaniel Vetter * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference 482786b99edSDaniel Vetter * @dev: drm device 483786b99edSDaniel Vetter * @id: id of the fb object 484786b99edSDaniel Vetter * 485786b99edSDaniel Vetter * If successful, this grabs an additional reference to the framebuffer - 486786b99edSDaniel Vetter * callers need to make sure to eventually unreference the returned framebuffer 487c8e32cc1SDaniel Vetter * again, using @drm_framebuffer_unreference. 488786b99edSDaniel Vetter */ 489786b99edSDaniel Vetter struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, 490786b99edSDaniel Vetter uint32_t id) 491786b99edSDaniel Vetter { 492786b99edSDaniel Vetter struct drm_framebuffer *fb; 493786b99edSDaniel Vetter 494786b99edSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 4952b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, id); 49683f45fc3SDaniel Vetter if (fb) { 49783f45fc3SDaniel Vetter if (!kref_get_unless_zero(&fb->refcount)) 49883f45fc3SDaniel Vetter fb = NULL; 49983f45fc3SDaniel Vetter } 500786b99edSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 501786b99edSDaniel Vetter 502786b99edSDaniel Vetter return fb; 503786b99edSDaniel Vetter } 504786b99edSDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_lookup); 505786b99edSDaniel Vetter 506786b99edSDaniel Vetter /** 507f7eff60eSRob Clark * drm_framebuffer_unreference - unref a framebuffer 508065a50edSDaniel Vetter * @fb: framebuffer to unref 509065a50edSDaniel Vetter * 510065a50edSDaniel Vetter * This functions decrements the fb's refcount and frees it if it drops to zero. 511f7eff60eSRob Clark */ 512f7eff60eSRob Clark void drm_framebuffer_unreference(struct drm_framebuffer *fb) 513f7eff60eSRob Clark { 5148291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 515f7eff60eSRob Clark kref_put(&fb->refcount, drm_framebuffer_free); 516f7eff60eSRob Clark } 517f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_unreference); 518f7eff60eSRob Clark 519f7eff60eSRob Clark /** 520f7eff60eSRob Clark * drm_framebuffer_reference - incr the fb refcnt 521065a50edSDaniel Vetter * @fb: framebuffer 522c8e32cc1SDaniel Vetter * 523c8e32cc1SDaniel Vetter * This functions increments the fb's refcount. 524f7eff60eSRob Clark */ 525f7eff60eSRob Clark void drm_framebuffer_reference(struct drm_framebuffer *fb) 526f7eff60eSRob Clark { 5278291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 528f7eff60eSRob Clark kref_get(&fb->refcount); 529f7eff60eSRob Clark } 530f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_reference); 531f7eff60eSRob Clark 5322b677e8cSDaniel Vetter static void drm_framebuffer_free_bug(struct kref *kref) 5332b677e8cSDaniel Vetter { 5342b677e8cSDaniel Vetter BUG(); 5352b677e8cSDaniel Vetter } 5362b677e8cSDaniel Vetter 5376c2a7532SDaniel Vetter static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) 5386c2a7532SDaniel Vetter { 5398291272aSRob Clark DRM_DEBUG("%p: FB ID: %d (%d)\n", fb, fb->base.id, atomic_read(&fb->refcount.refcount)); 5406c2a7532SDaniel Vetter kref_put(&fb->refcount, drm_framebuffer_free_bug); 5416c2a7532SDaniel Vetter } 5426c2a7532SDaniel Vetter 543f453ba04SDave Airlie /** 54436206361SDaniel Vetter * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr 54536206361SDaniel Vetter * @fb: fb to unregister 54636206361SDaniel Vetter * 54736206361SDaniel Vetter * Drivers need to call this when cleaning up driver-private framebuffers, e.g. 54836206361SDaniel Vetter * those used for fbdev. Note that the caller must hold a reference of it's own, 54936206361SDaniel Vetter * i.e. the object may not be destroyed through this call (since it'll lead to a 55036206361SDaniel Vetter * locking inversion). 55136206361SDaniel Vetter */ 55236206361SDaniel Vetter void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) 55336206361SDaniel Vetter { 5542b677e8cSDaniel Vetter struct drm_device *dev = fb->dev; 5552b677e8cSDaniel Vetter 5562b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 5572b677e8cSDaniel Vetter /* Mark fb as reaped and drop idr ref. */ 5582b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 5592b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 56036206361SDaniel Vetter } 56136206361SDaniel Vetter EXPORT_SYMBOL(drm_framebuffer_unregister_private); 56236206361SDaniel Vetter 56336206361SDaniel Vetter /** 564f453ba04SDave Airlie * drm_framebuffer_cleanup - remove a framebuffer object 565f453ba04SDave Airlie * @fb: framebuffer to remove 566f453ba04SDave Airlie * 567c8e32cc1SDaniel Vetter * Cleanup framebuffer. This function is intended to be used from the drivers 568c8e32cc1SDaniel Vetter * ->destroy callback. It can also be used to clean up driver private 569c8e32cc1SDaniel Vetter * framebuffers embedded into a larger structure. 57036206361SDaniel Vetter * 57136206361SDaniel Vetter * Note that this function does not remove the fb from active usuage - if it is 57236206361SDaniel Vetter * still used anywhere, hilarity can ensue since userspace could call getfb on 57336206361SDaniel Vetter * the id and get back -EINVAL. Obviously no concern at driver unload time. 57436206361SDaniel Vetter * 57536206361SDaniel Vetter * Also, the framebuffer will not be removed from the lookup idr - for 57636206361SDaniel Vetter * user-created framebuffers this will happen in in the rmfb ioctl. For 57736206361SDaniel Vetter * driver-private objects (e.g. for fbdev) drivers need to explicitly call 57836206361SDaniel Vetter * drm_framebuffer_unregister_private. 579f453ba04SDave Airlie */ 580f453ba04SDave Airlie void drm_framebuffer_cleanup(struct drm_framebuffer *fb) 581f453ba04SDave Airlie { 582f453ba04SDave Airlie struct drm_device *dev = fb->dev; 5838faf6b18SDaniel Vetter 5844b096ac1SDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 585f7eff60eSRob Clark list_del(&fb->head); 586f7eff60eSRob Clark dev->mode_config.num_fb--; 5874b096ac1SDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 588f7eff60eSRob Clark } 589f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_cleanup); 590f7eff60eSRob Clark 591f7eff60eSRob Clark /** 592f7eff60eSRob Clark * drm_framebuffer_remove - remove and unreference a framebuffer object 593f7eff60eSRob Clark * @fb: framebuffer to remove 594f7eff60eSRob Clark * 595f7eff60eSRob Clark * Scans all the CRTCs and planes in @dev's mode_config. If they're 59636206361SDaniel Vetter * using @fb, removes it, setting it to NULL. Then drops the reference to the 597b62584e3SDaniel Vetter * passed-in framebuffer. Might take the modeset locks. 598b62584e3SDaniel Vetter * 599b62584e3SDaniel Vetter * Note that this function optimizes the cleanup away if the caller holds the 600b62584e3SDaniel Vetter * last reference to the framebuffer. It is also guaranteed to not take the 601b62584e3SDaniel Vetter * modeset locks in this case. 602f7eff60eSRob Clark */ 603f7eff60eSRob Clark void drm_framebuffer_remove(struct drm_framebuffer *fb) 604f7eff60eSRob Clark { 605f7eff60eSRob Clark struct drm_device *dev = fb->dev; 606f453ba04SDave Airlie struct drm_crtc *crtc; 6078cf5c917SJesse Barnes struct drm_plane *plane; 6085ef5f72fSDave Airlie struct drm_mode_set set; 6095ef5f72fSDave Airlie int ret; 610f453ba04SDave Airlie 6114b096ac1SDaniel Vetter WARN_ON(!list_empty(&fb->filp_head)); 6128faf6b18SDaniel Vetter 613b62584e3SDaniel Vetter /* 614b62584e3SDaniel Vetter * drm ABI mandates that we remove any deleted framebuffers from active 615b62584e3SDaniel Vetter * useage. But since most sane clients only remove framebuffers they no 616b62584e3SDaniel Vetter * longer need, try to optimize this away. 617b62584e3SDaniel Vetter * 618b62584e3SDaniel Vetter * Since we're holding a reference ourselves, observing a refcount of 1 619b62584e3SDaniel Vetter * means that we're the last holder and can skip it. Also, the refcount 620b62584e3SDaniel Vetter * can never increase from 1 again, so we don't need any barriers or 621b62584e3SDaniel Vetter * locks. 622b62584e3SDaniel Vetter * 623b62584e3SDaniel Vetter * Note that userspace could try to race with use and instate a new 624b62584e3SDaniel Vetter * usage _after_ we've cleared all current ones. End result will be an 625b62584e3SDaniel Vetter * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot 626b62584e3SDaniel Vetter * in this manner. 627b62584e3SDaniel Vetter */ 628b62584e3SDaniel Vetter if (atomic_read(&fb->refcount.refcount) > 1) { 629b62584e3SDaniel Vetter drm_modeset_lock_all(dev); 630f453ba04SDave Airlie /* remove from any CRTC */ 631f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 632f4510a27SMatt Roper if (crtc->primary->fb == fb) { 6335ef5f72fSDave Airlie /* should turn off the crtc */ 6345ef5f72fSDave Airlie memset(&set, 0, sizeof(struct drm_mode_set)); 6355ef5f72fSDave Airlie set.crtc = crtc; 6365ef5f72fSDave Airlie set.fb = NULL; 6372d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 6385ef5f72fSDave Airlie if (ret) 6395ef5f72fSDave Airlie DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); 6405ef5f72fSDave Airlie } 641f453ba04SDave Airlie } 642f453ba04SDave Airlie 6438cf5c917SJesse Barnes list_for_each_entry(plane, &dev->mode_config.plane_list, head) { 6449125e618SVille Syrjälä if (plane->fb == fb) 6459125e618SVille Syrjälä drm_plane_force_disable(plane); 6468cf5c917SJesse Barnes } 647b62584e3SDaniel Vetter drm_modeset_unlock_all(dev); 648b62584e3SDaniel Vetter } 6498cf5c917SJesse Barnes 650f7eff60eSRob Clark drm_framebuffer_unreference(fb); 651f453ba04SDave Airlie } 652f7eff60eSRob Clark EXPORT_SYMBOL(drm_framebuffer_remove); 653f453ba04SDave Airlie 65451fd371bSRob Clark DEFINE_WW_CLASS(crtc_ww_class); 65551fd371bSRob Clark 656f453ba04SDave Airlie /** 657e13161afSMatt Roper * drm_crtc_init_with_planes - Initialise a new CRTC object with 658e13161afSMatt Roper * specified primary and cursor planes. 659f453ba04SDave Airlie * @dev: DRM device 660f453ba04SDave Airlie * @crtc: CRTC object to init 661e13161afSMatt Roper * @primary: Primary plane for CRTC 662e13161afSMatt Roper * @cursor: Cursor plane for CRTC 663f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 664f453ba04SDave Airlie * 665ad6f5c34SVille Syrjälä * Inits a new object created as base part of a driver crtc object. 6666bfc56aaSVille Syrjälä * 667c8e32cc1SDaniel Vetter * Returns: 6686bfc56aaSVille Syrjälä * Zero on success, error code on failure. 669f453ba04SDave Airlie */ 670e13161afSMatt Roper int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, 671e13161afSMatt Roper struct drm_plane *primary, 672fc1d3e44SMatt Roper struct drm_plane *cursor, 673f453ba04SDave Airlie const struct drm_crtc_funcs *funcs) 674f453ba04SDave Airlie { 67551fd371bSRob Clark struct drm_mode_config *config = &dev->mode_config; 6766bfc56aaSVille Syrjälä int ret; 6776bfc56aaSVille Syrjälä 678f453ba04SDave Airlie crtc->dev = dev; 679f453ba04SDave Airlie crtc->funcs = funcs; 6807c80e128SRob Clark crtc->invert_dimensions = false; 681f453ba04SDave Airlie 68284849903SDaniel Vetter drm_modeset_lock_all(dev); 68351fd371bSRob Clark drm_modeset_lock_init(&crtc->mutex); 68451fd371bSRob Clark /* dropped by _unlock_all(): */ 68551fd371bSRob Clark drm_modeset_lock(&crtc->mutex, config->acquire_ctx); 6866bfc56aaSVille Syrjälä 6876bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 6886bfc56aaSVille Syrjälä if (ret) 6896bfc56aaSVille Syrjälä goto out; 690f453ba04SDave Airlie 691bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 692bffd9de0SPaulo Zanoni 69351fd371bSRob Clark list_add_tail(&crtc->head, &config->crtc_list); 69451fd371bSRob Clark config->num_crtc++; 6956bfc56aaSVille Syrjälä 696e13161afSMatt Roper crtc->primary = primary; 697fc1d3e44SMatt Roper crtc->cursor = cursor; 698e13161afSMatt Roper if (primary) 699e13161afSMatt Roper primary->possible_crtcs = 1 << drm_crtc_index(crtc); 700fc1d3e44SMatt Roper if (cursor) 701fc1d3e44SMatt Roper cursor->possible_crtcs = 1 << drm_crtc_index(crtc); 702e13161afSMatt Roper 7036bfc56aaSVille Syrjälä out: 70484849903SDaniel Vetter drm_modeset_unlock_all(dev); 7056bfc56aaSVille Syrjälä 7066bfc56aaSVille Syrjälä return ret; 707f453ba04SDave Airlie } 708e13161afSMatt Roper EXPORT_SYMBOL(drm_crtc_init_with_planes); 709f453ba04SDave Airlie 710f453ba04SDave Airlie /** 711ad6f5c34SVille Syrjälä * drm_crtc_cleanup - Clean up the core crtc usage 712f453ba04SDave Airlie * @crtc: CRTC to cleanup 713f453ba04SDave Airlie * 714ad6f5c34SVille Syrjälä * This function cleans up @crtc and removes it from the DRM mode setting 715ad6f5c34SVille Syrjälä * core. Note that the function does *not* free the crtc structure itself, 716ad6f5c34SVille Syrjälä * this is the responsibility of the caller. 717f453ba04SDave Airlie */ 718f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 719f453ba04SDave Airlie { 720f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 721f453ba04SDave Airlie 722f453ba04SDave Airlie kfree(crtc->gamma_store); 723f453ba04SDave Airlie crtc->gamma_store = NULL; 724f453ba04SDave Airlie 72551fd371bSRob Clark drm_modeset_lock_fini(&crtc->mutex); 72651fd371bSRob Clark 727f453ba04SDave Airlie drm_mode_object_put(dev, &crtc->base); 728f453ba04SDave Airlie list_del(&crtc->head); 729f453ba04SDave Airlie dev->mode_config.num_crtc--; 730f453ba04SDave Airlie } 731f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 732f453ba04SDave Airlie 733f453ba04SDave Airlie /** 734db5f7a6eSRussell King * drm_crtc_index - find the index of a registered CRTC 735db5f7a6eSRussell King * @crtc: CRTC to find index for 736db5f7a6eSRussell King * 737db5f7a6eSRussell King * Given a registered CRTC, return the index of that CRTC within a DRM 738db5f7a6eSRussell King * device's list of CRTCs. 739db5f7a6eSRussell King */ 740db5f7a6eSRussell King unsigned int drm_crtc_index(struct drm_crtc *crtc) 741db5f7a6eSRussell King { 742db5f7a6eSRussell King unsigned int index = 0; 743db5f7a6eSRussell King struct drm_crtc *tmp; 744db5f7a6eSRussell King 745db5f7a6eSRussell King list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { 746db5f7a6eSRussell King if (tmp == crtc) 747db5f7a6eSRussell King return index; 748db5f7a6eSRussell King 749db5f7a6eSRussell King index++; 750db5f7a6eSRussell King } 751db5f7a6eSRussell King 752db5f7a6eSRussell King BUG(); 753db5f7a6eSRussell King } 754db5f7a6eSRussell King EXPORT_SYMBOL(drm_crtc_index); 755db5f7a6eSRussell King 75686f422d5SLespiau, Damien /* 757f453ba04SDave Airlie * drm_mode_remove - remove and free a mode 758f453ba04SDave Airlie * @connector: connector list to modify 759f453ba04SDave Airlie * @mode: mode to remove 760f453ba04SDave Airlie * 761f453ba04SDave Airlie * Remove @mode from @connector's mode list, then free it. 762f453ba04SDave Airlie */ 76386f422d5SLespiau, Damien static void drm_mode_remove(struct drm_connector *connector, 764f453ba04SDave Airlie struct drm_display_mode *mode) 765f453ba04SDave Airlie { 766f453ba04SDave Airlie list_del(&mode->head); 767554f1d78SSascha Hauer drm_mode_destroy(connector->dev, mode); 768f453ba04SDave Airlie } 769f453ba04SDave Airlie 770f453ba04SDave Airlie /** 771eaf99c74SChris Wilson * drm_connector_get_cmdline_mode - reads the user's cmdline mode 772eaf99c74SChris Wilson * @connector: connector to quwery 773eaf99c74SChris Wilson * @mode: returned mode 774eaf99c74SChris Wilson * 775eaf99c74SChris Wilson * The kernel supports per-connector configration of its consoles through 776eaf99c74SChris Wilson * use of the video= parameter. This function parses that option and 777eaf99c74SChris Wilson * extracts the user's specified mode (or enable/disable status) for a 778eaf99c74SChris Wilson * particular connector. This is typically only used during the early fbdev 779eaf99c74SChris Wilson * setup. 780eaf99c74SChris Wilson */ 781eaf99c74SChris Wilson static void drm_connector_get_cmdline_mode(struct drm_connector *connector) 782eaf99c74SChris Wilson { 783eaf99c74SChris Wilson struct drm_cmdline_mode *mode = &connector->cmdline_mode; 784eaf99c74SChris Wilson char *option = NULL; 785eaf99c74SChris Wilson 786eaf99c74SChris Wilson if (fb_get_options(connector->name, &option)) 787eaf99c74SChris Wilson return; 788eaf99c74SChris Wilson 789eaf99c74SChris Wilson if (!drm_mode_parse_command_line_for_connector(option, 790eaf99c74SChris Wilson connector, 791eaf99c74SChris Wilson mode)) 792eaf99c74SChris Wilson return; 793eaf99c74SChris Wilson 794eaf99c74SChris Wilson if (mode->force) { 795eaf99c74SChris Wilson const char *s; 796eaf99c74SChris Wilson 797eaf99c74SChris Wilson switch (mode->force) { 798eaf99c74SChris Wilson case DRM_FORCE_OFF: 799eaf99c74SChris Wilson s = "OFF"; 800eaf99c74SChris Wilson break; 801eaf99c74SChris Wilson case DRM_FORCE_ON_DIGITAL: 802eaf99c74SChris Wilson s = "ON - dig"; 803eaf99c74SChris Wilson break; 804eaf99c74SChris Wilson default: 805eaf99c74SChris Wilson case DRM_FORCE_ON: 806eaf99c74SChris Wilson s = "ON"; 807eaf99c74SChris Wilson break; 808eaf99c74SChris Wilson } 809eaf99c74SChris Wilson 810eaf99c74SChris Wilson DRM_INFO("forcing %s connector %s\n", connector->name, s); 811eaf99c74SChris Wilson connector->force = mode->force; 812eaf99c74SChris Wilson } 813eaf99c74SChris Wilson 814eaf99c74SChris Wilson DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n", 815eaf99c74SChris Wilson connector->name, 816eaf99c74SChris Wilson mode->xres, mode->yres, 817eaf99c74SChris Wilson mode->refresh_specified ? mode->refresh : 60, 818eaf99c74SChris Wilson mode->rb ? " reduced blanking" : "", 819eaf99c74SChris Wilson mode->margins ? " with margins" : "", 820eaf99c74SChris Wilson mode->interlace ? " interlaced" : ""); 821eaf99c74SChris Wilson } 822eaf99c74SChris Wilson 823eaf99c74SChris Wilson /** 824f453ba04SDave Airlie * drm_connector_init - Init a preallocated connector 825f453ba04SDave Airlie * @dev: DRM device 826f453ba04SDave Airlie * @connector: the connector to init 827f453ba04SDave Airlie * @funcs: callbacks for this connector 828065a50edSDaniel Vetter * @connector_type: user visible type of the connector 829f453ba04SDave Airlie * 830f453ba04SDave Airlie * Initialises a preallocated connector. Connectors should be 831f453ba04SDave Airlie * subclassed as part of driver connector objects. 8326bfc56aaSVille Syrjälä * 833c8e32cc1SDaniel Vetter * Returns: 8346bfc56aaSVille Syrjälä * Zero on success, error code on failure. 835f453ba04SDave Airlie */ 8366bfc56aaSVille Syrjälä int drm_connector_init(struct drm_device *dev, 837f453ba04SDave Airlie struct drm_connector *connector, 838f453ba04SDave Airlie const struct drm_connector_funcs *funcs, 839f453ba04SDave Airlie int connector_type) 840f453ba04SDave Airlie { 8416bfc56aaSVille Syrjälä int ret; 842b21e3afeSIlia Mirkin struct ida *connector_ida = 843b21e3afeSIlia Mirkin &drm_connector_enum_list[connector_type].ida; 8446bfc56aaSVille Syrjälä 84584849903SDaniel Vetter drm_modeset_lock_all(dev); 846f453ba04SDave Airlie 8472ee39452SDave Airlie ret = drm_mode_object_get_reg(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR, false); 8486bfc56aaSVille Syrjälä if (ret) 8492abdd313SJani Nikula goto out_unlock; 8506bfc56aaSVille Syrjälä 8517e3bdf4aSPaulo Zanoni connector->base.properties = &connector->properties; 852f453ba04SDave Airlie connector->dev = dev; 853f453ba04SDave Airlie connector->funcs = funcs; 854f453ba04SDave Airlie connector->connector_type = connector_type; 855f453ba04SDave Airlie connector->connector_type_id = 856b21e3afeSIlia Mirkin ida_simple_get(connector_ida, 1, 0, GFP_KERNEL); 857b21e3afeSIlia Mirkin if (connector->connector_type_id < 0) { 858b21e3afeSIlia Mirkin ret = connector->connector_type_id; 8592abdd313SJani Nikula goto out_put; 860b21e3afeSIlia Mirkin } 8612abdd313SJani Nikula connector->name = 8622abdd313SJani Nikula kasprintf(GFP_KERNEL, "%s-%d", 8632abdd313SJani Nikula drm_connector_enum_list[connector_type].name, 8642abdd313SJani Nikula connector->connector_type_id); 8652abdd313SJani Nikula if (!connector->name) { 8662abdd313SJani Nikula ret = -ENOMEM; 8672abdd313SJani Nikula goto out_put; 8682abdd313SJani Nikula } 8692abdd313SJani Nikula 870f453ba04SDave Airlie INIT_LIST_HEAD(&connector->probed_modes); 871f453ba04SDave Airlie INIT_LIST_HEAD(&connector->modes); 872f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 8735e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 874f453ba04SDave Airlie 875eaf99c74SChris Wilson drm_connector_get_cmdline_mode(connector); 876eaf99c74SChris Wilson 877f453ba04SDave Airlie list_add_tail(&connector->head, &dev->mode_config.connector_list); 878f453ba04SDave Airlie dev->mode_config.num_connector++; 879f453ba04SDave Airlie 880a7331e5cSThomas Hellstrom if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) 88158495563SRob Clark drm_object_attach_property(&connector->base, 882a7331e5cSThomas Hellstrom dev->mode_config.edid_property, 883a7331e5cSThomas Hellstrom 0); 884f453ba04SDave Airlie 88558495563SRob Clark drm_object_attach_property(&connector->base, 886f453ba04SDave Airlie dev->mode_config.dpms_property, 0); 887f453ba04SDave Airlie 88830f65707SThomas Wood connector->debugfs_entry = NULL; 88930f65707SThomas Wood 8902abdd313SJani Nikula out_put: 8912abdd313SJani Nikula if (ret) 8922abdd313SJani Nikula drm_mode_object_put(dev, &connector->base); 8932abdd313SJani Nikula 8942abdd313SJani Nikula out_unlock: 89584849903SDaniel Vetter drm_modeset_unlock_all(dev); 8966bfc56aaSVille Syrjälä 8976bfc56aaSVille Syrjälä return ret; 898f453ba04SDave Airlie } 899f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_init); 900f453ba04SDave Airlie 901f453ba04SDave Airlie /** 902f453ba04SDave Airlie * drm_connector_cleanup - cleans up an initialised connector 903f453ba04SDave Airlie * @connector: connector to cleanup 904f453ba04SDave Airlie * 905f453ba04SDave Airlie * Cleans up the connector but doesn't free the object. 906f453ba04SDave Airlie */ 907f453ba04SDave Airlie void drm_connector_cleanup(struct drm_connector *connector) 908f453ba04SDave Airlie { 909f453ba04SDave Airlie struct drm_device *dev = connector->dev; 910f453ba04SDave Airlie struct drm_display_mode *mode, *t; 911f453ba04SDave Airlie 912f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->probed_modes, head) 913f453ba04SDave Airlie drm_mode_remove(connector, mode); 914f453ba04SDave Airlie 915f453ba04SDave Airlie list_for_each_entry_safe(mode, t, &connector->modes, head) 916f453ba04SDave Airlie drm_mode_remove(connector, mode); 917f453ba04SDave Airlie 918b21e3afeSIlia Mirkin ida_remove(&drm_connector_enum_list[connector->connector_type].ida, 919b21e3afeSIlia Mirkin connector->connector_type_id); 920b21e3afeSIlia Mirkin 921f453ba04SDave Airlie drm_mode_object_put(dev, &connector->base); 9222abdd313SJani Nikula kfree(connector->name); 9232abdd313SJani Nikula connector->name = NULL; 924f453ba04SDave Airlie list_del(&connector->head); 9256380c509SJoonyoung Shim dev->mode_config.num_connector--; 926f453ba04SDave Airlie } 927f453ba04SDave Airlie EXPORT_SYMBOL(drm_connector_cleanup); 928f453ba04SDave Airlie 929c8e32cc1SDaniel Vetter /** 93010f637bfSDaniel Vetter * drm_connector_index - find the index of a registered connector 93110f637bfSDaniel Vetter * @connector: connector to find index for 93210f637bfSDaniel Vetter * 93310f637bfSDaniel Vetter * Given a registered connector, return the index of that connector within a DRM 93410f637bfSDaniel Vetter * device's list of connectors. 93510f637bfSDaniel Vetter */ 93610f637bfSDaniel Vetter unsigned int drm_connector_index(struct drm_connector *connector) 93710f637bfSDaniel Vetter { 93810f637bfSDaniel Vetter unsigned int index = 0; 93910f637bfSDaniel Vetter struct drm_connector *tmp; 94010f637bfSDaniel Vetter 94110f637bfSDaniel Vetter list_for_each_entry(tmp, &connector->dev->mode_config.connector_list, head) { 94210f637bfSDaniel Vetter if (tmp == connector) 94310f637bfSDaniel Vetter return index; 94410f637bfSDaniel Vetter 94510f637bfSDaniel Vetter index++; 94610f637bfSDaniel Vetter } 94710f637bfSDaniel Vetter 94810f637bfSDaniel Vetter BUG(); 94910f637bfSDaniel Vetter } 95010f637bfSDaniel Vetter EXPORT_SYMBOL(drm_connector_index); 95110f637bfSDaniel Vetter 95210f637bfSDaniel Vetter /** 95334ea3d38SThomas Wood * drm_connector_register - register a connector 95434ea3d38SThomas Wood * @connector: the connector to register 95534ea3d38SThomas Wood * 95634ea3d38SThomas Wood * Register userspace interfaces for a connector 95734ea3d38SThomas Wood * 95834ea3d38SThomas Wood * Returns: 95934ea3d38SThomas Wood * Zero on success, error code on failure. 96034ea3d38SThomas Wood */ 96134ea3d38SThomas Wood int drm_connector_register(struct drm_connector *connector) 96234ea3d38SThomas Wood { 96330f65707SThomas Wood int ret; 96430f65707SThomas Wood 9652ee39452SDave Airlie drm_mode_object_register(connector->dev, &connector->base); 9662ee39452SDave Airlie 96730f65707SThomas Wood ret = drm_sysfs_connector_add(connector); 96830f65707SThomas Wood if (ret) 96930f65707SThomas Wood return ret; 97030f65707SThomas Wood 97130f65707SThomas Wood ret = drm_debugfs_connector_add(connector); 97230f65707SThomas Wood if (ret) { 97330f65707SThomas Wood drm_sysfs_connector_remove(connector); 97430f65707SThomas Wood return ret; 97530f65707SThomas Wood } 97630f65707SThomas Wood 97730f65707SThomas Wood return 0; 97834ea3d38SThomas Wood } 97934ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_register); 98034ea3d38SThomas Wood 98134ea3d38SThomas Wood /** 98234ea3d38SThomas Wood * drm_connector_unregister - unregister a connector 98334ea3d38SThomas Wood * @connector: the connector to unregister 98434ea3d38SThomas Wood * 98534ea3d38SThomas Wood * Unregister userspace interfaces for a connector 98634ea3d38SThomas Wood */ 98734ea3d38SThomas Wood void drm_connector_unregister(struct drm_connector *connector) 98834ea3d38SThomas Wood { 98934ea3d38SThomas Wood drm_sysfs_connector_remove(connector); 99030f65707SThomas Wood drm_debugfs_connector_remove(connector); 99134ea3d38SThomas Wood } 99234ea3d38SThomas Wood EXPORT_SYMBOL(drm_connector_unregister); 99334ea3d38SThomas Wood 99434ea3d38SThomas Wood 99534ea3d38SThomas Wood /** 996c8e32cc1SDaniel Vetter * drm_connector_unplug_all - unregister connector userspace interfaces 997c8e32cc1SDaniel Vetter * @dev: drm device 998c8e32cc1SDaniel Vetter * 999c8e32cc1SDaniel Vetter * This function unregisters all connector userspace interfaces in sysfs. Should 1000c8e32cc1SDaniel Vetter * be call when the device is disconnected, e.g. from an usb driver's 1001c8e32cc1SDaniel Vetter * ->disconnect callback. 1002c8e32cc1SDaniel Vetter */ 1003cbc7e221SDave Airlie void drm_connector_unplug_all(struct drm_device *dev) 1004cbc7e221SDave Airlie { 1005cbc7e221SDave Airlie struct drm_connector *connector; 1006cbc7e221SDave Airlie 1007cbc7e221SDave Airlie /* taking the mode config mutex ends up in a clash with sysfs */ 1008cbc7e221SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 100934ea3d38SThomas Wood drm_connector_unregister(connector); 1010cbc7e221SDave Airlie 1011cbc7e221SDave Airlie } 1012cbc7e221SDave Airlie EXPORT_SYMBOL(drm_connector_unplug_all); 1013cbc7e221SDave Airlie 1014c8e32cc1SDaniel Vetter /** 1015c8e32cc1SDaniel Vetter * drm_bridge_init - initialize a drm transcoder/bridge 1016c8e32cc1SDaniel Vetter * @dev: drm device 1017c8e32cc1SDaniel Vetter * @bridge: transcoder/bridge to set up 1018c8e32cc1SDaniel Vetter * @funcs: bridge function table 1019c8e32cc1SDaniel Vetter * 1020c8e32cc1SDaniel Vetter * Initialises a preallocated bridge. Bridges should be 1021c8e32cc1SDaniel Vetter * subclassed as part of driver connector objects. 1022c8e32cc1SDaniel Vetter * 1023c8e32cc1SDaniel Vetter * Returns: 1024c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 1025c8e32cc1SDaniel Vetter */ 10263b336ec4SSean Paul int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge, 10273b336ec4SSean Paul const struct drm_bridge_funcs *funcs) 10283b336ec4SSean Paul { 10293b336ec4SSean Paul int ret; 10303b336ec4SSean Paul 10313b336ec4SSean Paul drm_modeset_lock_all(dev); 10323b336ec4SSean Paul 10333b336ec4SSean Paul ret = drm_mode_object_get(dev, &bridge->base, DRM_MODE_OBJECT_BRIDGE); 10343b336ec4SSean Paul if (ret) 10353b336ec4SSean Paul goto out; 10363b336ec4SSean Paul 10373b336ec4SSean Paul bridge->dev = dev; 10383b336ec4SSean Paul bridge->funcs = funcs; 10393b336ec4SSean Paul 10403b336ec4SSean Paul list_add_tail(&bridge->head, &dev->mode_config.bridge_list); 10413b336ec4SSean Paul dev->mode_config.num_bridge++; 10423b336ec4SSean Paul 10433b336ec4SSean Paul out: 10443b336ec4SSean Paul drm_modeset_unlock_all(dev); 10453b336ec4SSean Paul return ret; 10463b336ec4SSean Paul } 10473b336ec4SSean Paul EXPORT_SYMBOL(drm_bridge_init); 10483b336ec4SSean Paul 1049c8e32cc1SDaniel Vetter /** 1050c8e32cc1SDaniel Vetter * drm_bridge_cleanup - cleans up an initialised bridge 1051c8e32cc1SDaniel Vetter * @bridge: bridge to cleanup 1052c8e32cc1SDaniel Vetter * 1053c8e32cc1SDaniel Vetter * Cleans up the bridge but doesn't free the object. 1054c8e32cc1SDaniel Vetter */ 10553b336ec4SSean Paul void drm_bridge_cleanup(struct drm_bridge *bridge) 10563b336ec4SSean Paul { 10573b336ec4SSean Paul struct drm_device *dev = bridge->dev; 10583b336ec4SSean Paul 10593b336ec4SSean Paul drm_modeset_lock_all(dev); 10603b336ec4SSean Paul drm_mode_object_put(dev, &bridge->base); 10613b336ec4SSean Paul list_del(&bridge->head); 10623b336ec4SSean Paul dev->mode_config.num_bridge--; 10633b336ec4SSean Paul drm_modeset_unlock_all(dev); 10643b336ec4SSean Paul } 10653b336ec4SSean Paul EXPORT_SYMBOL(drm_bridge_cleanup); 10663b336ec4SSean Paul 1067c8e32cc1SDaniel Vetter /** 1068c8e32cc1SDaniel Vetter * drm_encoder_init - Init a preallocated encoder 1069c8e32cc1SDaniel Vetter * @dev: drm device 1070c8e32cc1SDaniel Vetter * @encoder: the encoder to init 1071c8e32cc1SDaniel Vetter * @funcs: callbacks for this encoder 1072c8e32cc1SDaniel Vetter * @encoder_type: user visible type of the encoder 1073c8e32cc1SDaniel Vetter * 1074c8e32cc1SDaniel Vetter * Initialises a preallocated encoder. Encoder should be 1075c8e32cc1SDaniel Vetter * subclassed as part of driver encoder objects. 1076c8e32cc1SDaniel Vetter * 1077c8e32cc1SDaniel Vetter * Returns: 1078c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 1079c8e32cc1SDaniel Vetter */ 10806bfc56aaSVille Syrjälä int drm_encoder_init(struct drm_device *dev, 1081f453ba04SDave Airlie struct drm_encoder *encoder, 1082f453ba04SDave Airlie const struct drm_encoder_funcs *funcs, 1083f453ba04SDave Airlie int encoder_type) 1084f453ba04SDave Airlie { 10856bfc56aaSVille Syrjälä int ret; 10866bfc56aaSVille Syrjälä 108784849903SDaniel Vetter drm_modeset_lock_all(dev); 1088f453ba04SDave Airlie 10896bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); 10906bfc56aaSVille Syrjälä if (ret) 1091e5748946SJani Nikula goto out_unlock; 1092f453ba04SDave Airlie 10936bfc56aaSVille Syrjälä encoder->dev = dev; 1094f453ba04SDave Airlie encoder->encoder_type = encoder_type; 1095f453ba04SDave Airlie encoder->funcs = funcs; 1096e5748946SJani Nikula encoder->name = kasprintf(GFP_KERNEL, "%s-%d", 1097e5748946SJani Nikula drm_encoder_enum_list[encoder_type].name, 1098e5748946SJani Nikula encoder->base.id); 1099e5748946SJani Nikula if (!encoder->name) { 1100e5748946SJani Nikula ret = -ENOMEM; 1101e5748946SJani Nikula goto out_put; 1102e5748946SJani Nikula } 1103f453ba04SDave Airlie 1104f453ba04SDave Airlie list_add_tail(&encoder->head, &dev->mode_config.encoder_list); 1105f453ba04SDave Airlie dev->mode_config.num_encoder++; 1106f453ba04SDave Airlie 1107e5748946SJani Nikula out_put: 1108e5748946SJani Nikula if (ret) 1109e5748946SJani Nikula drm_mode_object_put(dev, &encoder->base); 1110e5748946SJani Nikula 1111e5748946SJani Nikula out_unlock: 111284849903SDaniel Vetter drm_modeset_unlock_all(dev); 11136bfc56aaSVille Syrjälä 11146bfc56aaSVille Syrjälä return ret; 1115f453ba04SDave Airlie } 1116f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_init); 1117f453ba04SDave Airlie 1118c8e32cc1SDaniel Vetter /** 1119c8e32cc1SDaniel Vetter * drm_encoder_cleanup - cleans up an initialised encoder 1120c8e32cc1SDaniel Vetter * @encoder: encoder to cleanup 1121c8e32cc1SDaniel Vetter * 1122c8e32cc1SDaniel Vetter * Cleans up the encoder but doesn't free the object. 1123c8e32cc1SDaniel Vetter */ 1124f453ba04SDave Airlie void drm_encoder_cleanup(struct drm_encoder *encoder) 1125f453ba04SDave Airlie { 1126f453ba04SDave Airlie struct drm_device *dev = encoder->dev; 112784849903SDaniel Vetter drm_modeset_lock_all(dev); 1128f453ba04SDave Airlie drm_mode_object_put(dev, &encoder->base); 1129e5748946SJani Nikula kfree(encoder->name); 1130e5748946SJani Nikula encoder->name = NULL; 1131f453ba04SDave Airlie list_del(&encoder->head); 11326380c509SJoonyoung Shim dev->mode_config.num_encoder--; 113384849903SDaniel Vetter drm_modeset_unlock_all(dev); 1134f453ba04SDave Airlie } 1135f453ba04SDave Airlie EXPORT_SYMBOL(drm_encoder_cleanup); 1136f453ba04SDave Airlie 113735f2c3aeSVille Syrjälä /** 1138dc415ff9SMatt Roper * drm_universal_plane_init - Initialize a new universal plane object 113935f2c3aeSVille Syrjälä * @dev: DRM device 114035f2c3aeSVille Syrjälä * @plane: plane object to init 114135f2c3aeSVille Syrjälä * @possible_crtcs: bitmask of possible CRTCs 114235f2c3aeSVille Syrjälä * @funcs: callbacks for the new plane 114335f2c3aeSVille Syrjälä * @formats: array of supported formats (%DRM_FORMAT_*) 114435f2c3aeSVille Syrjälä * @format_count: number of elements in @formats 1145dc415ff9SMatt Roper * @type: type of plane (overlay, primary, cursor) 114635f2c3aeSVille Syrjälä * 1147dc415ff9SMatt Roper * Initializes a plane object of type @type. 114835f2c3aeSVille Syrjälä * 1149c8e32cc1SDaniel Vetter * Returns: 115035f2c3aeSVille Syrjälä * Zero on success, error code on failure. 115135f2c3aeSVille Syrjälä */ 1152dc415ff9SMatt Roper int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, 11538cf5c917SJesse Barnes unsigned long possible_crtcs, 11548cf5c917SJesse Barnes const struct drm_plane_funcs *funcs, 11550a7eb243SRob Clark const uint32_t *formats, uint32_t format_count, 1156dc415ff9SMatt Roper enum drm_plane_type type) 11578cf5c917SJesse Barnes { 11586bfc56aaSVille Syrjälä int ret; 11596bfc56aaSVille Syrjälä 116084849903SDaniel Vetter drm_modeset_lock_all(dev); 11618cf5c917SJesse Barnes 11626bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); 11636bfc56aaSVille Syrjälä if (ret) 11646bfc56aaSVille Syrjälä goto out; 11656bfc56aaSVille Syrjälä 11664d93914aSRob Clark plane->base.properties = &plane->properties; 11678cf5c917SJesse Barnes plane->dev = dev; 11688cf5c917SJesse Barnes plane->funcs = funcs; 11698cf5c917SJesse Barnes plane->format_types = kmalloc(sizeof(uint32_t) * format_count, 11708cf5c917SJesse Barnes GFP_KERNEL); 11718cf5c917SJesse Barnes if (!plane->format_types) { 11728cf5c917SJesse Barnes DRM_DEBUG_KMS("out of memory when allocating plane\n"); 11738cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 11746bfc56aaSVille Syrjälä ret = -ENOMEM; 11756bfc56aaSVille Syrjälä goto out; 11768cf5c917SJesse Barnes } 11778cf5c917SJesse Barnes 1178308e5bcbSJesse Barnes memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); 11798cf5c917SJesse Barnes plane->format_count = format_count; 11808cf5c917SJesse Barnes plane->possible_crtcs = possible_crtcs; 1181dc415ff9SMatt Roper plane->type = type; 11828cf5c917SJesse Barnes 11838cf5c917SJesse Barnes list_add_tail(&plane->head, &dev->mode_config.plane_list); 1184e27dde3eSMatt Roper dev->mode_config.num_total_plane++; 1185e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 1186e27dde3eSMatt Roper dev->mode_config.num_overlay_plane++; 11878cf5c917SJesse Barnes 11889922ab5aSRob Clark drm_object_attach_property(&plane->base, 11899922ab5aSRob Clark dev->mode_config.plane_type_property, 11909922ab5aSRob Clark plane->type); 11919922ab5aSRob Clark 11926bfc56aaSVille Syrjälä out: 119384849903SDaniel Vetter drm_modeset_unlock_all(dev); 11948cf5c917SJesse Barnes 11956bfc56aaSVille Syrjälä return ret; 11968cf5c917SJesse Barnes } 1197dc415ff9SMatt Roper EXPORT_SYMBOL(drm_universal_plane_init); 1198dc415ff9SMatt Roper 1199dc415ff9SMatt Roper /** 1200dc415ff9SMatt Roper * drm_plane_init - Initialize a legacy plane 1201dc415ff9SMatt Roper * @dev: DRM device 1202dc415ff9SMatt Roper * @plane: plane object to init 1203dc415ff9SMatt Roper * @possible_crtcs: bitmask of possible CRTCs 1204dc415ff9SMatt Roper * @funcs: callbacks for the new plane 1205dc415ff9SMatt Roper * @formats: array of supported formats (%DRM_FORMAT_*) 1206dc415ff9SMatt Roper * @format_count: number of elements in @formats 1207dc415ff9SMatt Roper * @is_primary: plane type (primary vs overlay) 1208dc415ff9SMatt Roper * 1209dc415ff9SMatt Roper * Legacy API to initialize a DRM plane. 1210dc415ff9SMatt Roper * 1211dc415ff9SMatt Roper * New drivers should call drm_universal_plane_init() instead. 1212dc415ff9SMatt Roper * 1213dc415ff9SMatt Roper * Returns: 1214dc415ff9SMatt Roper * Zero on success, error code on failure. 1215dc415ff9SMatt Roper */ 1216dc415ff9SMatt Roper int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, 1217dc415ff9SMatt Roper unsigned long possible_crtcs, 1218dc415ff9SMatt Roper const struct drm_plane_funcs *funcs, 1219dc415ff9SMatt Roper const uint32_t *formats, uint32_t format_count, 1220dc415ff9SMatt Roper bool is_primary) 1221dc415ff9SMatt Roper { 1222dc415ff9SMatt Roper enum drm_plane_type type; 1223dc415ff9SMatt Roper 1224dc415ff9SMatt Roper type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; 1225dc415ff9SMatt Roper return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, 1226dc415ff9SMatt Roper formats, format_count, type); 1227dc415ff9SMatt Roper } 12288cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_init); 12298cf5c917SJesse Barnes 123035f2c3aeSVille Syrjälä /** 123135f2c3aeSVille Syrjälä * drm_plane_cleanup - Clean up the core plane usage 123235f2c3aeSVille Syrjälä * @plane: plane to cleanup 123335f2c3aeSVille Syrjälä * 123435f2c3aeSVille Syrjälä * This function cleans up @plane and removes it from the DRM mode setting 123535f2c3aeSVille Syrjälä * core. Note that the function does *not* free the plane structure itself, 123635f2c3aeSVille Syrjälä * this is the responsibility of the caller. 123735f2c3aeSVille Syrjälä */ 12388cf5c917SJesse Barnes void drm_plane_cleanup(struct drm_plane *plane) 12398cf5c917SJesse Barnes { 12408cf5c917SJesse Barnes struct drm_device *dev = plane->dev; 12418cf5c917SJesse Barnes 124284849903SDaniel Vetter drm_modeset_lock_all(dev); 12438cf5c917SJesse Barnes kfree(plane->format_types); 12448cf5c917SJesse Barnes drm_mode_object_put(dev, &plane->base); 1245dc415ff9SMatt Roper 1246dc415ff9SMatt Roper BUG_ON(list_empty(&plane->head)); 1247dc415ff9SMatt Roper 12488cf5c917SJesse Barnes list_del(&plane->head); 1249e27dde3eSMatt Roper dev->mode_config.num_total_plane--; 1250e27dde3eSMatt Roper if (plane->type == DRM_PLANE_TYPE_OVERLAY) 1251e27dde3eSMatt Roper dev->mode_config.num_overlay_plane--; 125284849903SDaniel Vetter drm_modeset_unlock_all(dev); 12538cf5c917SJesse Barnes } 12548cf5c917SJesse Barnes EXPORT_SYMBOL(drm_plane_cleanup); 12558cf5c917SJesse Barnes 125635f2c3aeSVille Syrjälä /** 125710f637bfSDaniel Vetter * drm_plane_index - find the index of a registered plane 125810f637bfSDaniel Vetter * @plane: plane to find index for 125910f637bfSDaniel Vetter * 126010f637bfSDaniel Vetter * Given a registered plane, return the index of that CRTC within a DRM 126110f637bfSDaniel Vetter * device's list of planes. 126210f637bfSDaniel Vetter */ 126310f637bfSDaniel Vetter unsigned int drm_plane_index(struct drm_plane *plane) 126410f637bfSDaniel Vetter { 126510f637bfSDaniel Vetter unsigned int index = 0; 126610f637bfSDaniel Vetter struct drm_plane *tmp; 126710f637bfSDaniel Vetter 126810f637bfSDaniel Vetter list_for_each_entry(tmp, &plane->dev->mode_config.plane_list, head) { 126910f637bfSDaniel Vetter if (tmp == plane) 127010f637bfSDaniel Vetter return index; 127110f637bfSDaniel Vetter 127210f637bfSDaniel Vetter index++; 127310f637bfSDaniel Vetter } 127410f637bfSDaniel Vetter 127510f637bfSDaniel Vetter BUG(); 127610f637bfSDaniel Vetter } 127710f637bfSDaniel Vetter EXPORT_SYMBOL(drm_plane_index); 127810f637bfSDaniel Vetter 127910f637bfSDaniel Vetter /** 128035f2c3aeSVille Syrjälä * drm_plane_force_disable - Forcibly disable a plane 128135f2c3aeSVille Syrjälä * @plane: plane to disable 128235f2c3aeSVille Syrjälä * 128335f2c3aeSVille Syrjälä * Forces the plane to be disabled. 128435f2c3aeSVille Syrjälä * 128535f2c3aeSVille Syrjälä * Used when the plane's current framebuffer is destroyed, 128635f2c3aeSVille Syrjälä * and when restoring fbdev mode. 128735f2c3aeSVille Syrjälä */ 12889125e618SVille Syrjälä void drm_plane_force_disable(struct drm_plane *plane) 12899125e618SVille Syrjälä { 12909125e618SVille Syrjälä int ret; 12919125e618SVille Syrjälä 12923d30a59bSDaniel Vetter if (!plane->fb) 12939125e618SVille Syrjälä return; 12949125e618SVille Syrjälä 12953d30a59bSDaniel Vetter plane->old_fb = plane->fb; 12969125e618SVille Syrjälä ret = plane->funcs->disable_plane(plane); 1297731cce48SDaniel Vetter if (ret) { 12989125e618SVille Syrjälä DRM_ERROR("failed to disable plane with busy fb\n"); 12993d30a59bSDaniel Vetter plane->old_fb = NULL; 1300731cce48SDaniel Vetter return; 1301731cce48SDaniel Vetter } 13029125e618SVille Syrjälä /* disconnect the plane from the fb and crtc: */ 13033d30a59bSDaniel Vetter __drm_framebuffer_unreference(plane->old_fb); 13043d30a59bSDaniel Vetter plane->old_fb = NULL; 13059125e618SVille Syrjälä plane->fb = NULL; 13069125e618SVille Syrjälä plane->crtc = NULL; 13079125e618SVille Syrjälä } 13089125e618SVille Syrjälä EXPORT_SYMBOL(drm_plane_force_disable); 13099125e618SVille Syrjälä 1310f453ba04SDave Airlie static int drm_mode_create_standard_connector_properties(struct drm_device *dev) 1311f453ba04SDave Airlie { 1312f453ba04SDave Airlie struct drm_property *edid; 1313f453ba04SDave Airlie struct drm_property *dpms; 131443aba7ebSDave Airlie struct drm_property *dev_path; 1315f453ba04SDave Airlie 1316f453ba04SDave Airlie /* 1317f453ba04SDave Airlie * Standard properties (apply to all connectors) 1318f453ba04SDave Airlie */ 1319f453ba04SDave Airlie edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | 1320f453ba04SDave Airlie DRM_MODE_PROP_IMMUTABLE, 1321f453ba04SDave Airlie "EDID", 0); 1322f453ba04SDave Airlie dev->mode_config.edid_property = edid; 1323f453ba04SDave Airlie 13244a67d391SSascha Hauer dpms = drm_property_create_enum(dev, 0, 13254a67d391SSascha Hauer "DPMS", drm_dpms_enum_list, 13264a67d391SSascha Hauer ARRAY_SIZE(drm_dpms_enum_list)); 1327f453ba04SDave Airlie dev->mode_config.dpms_property = dpms; 1328f453ba04SDave Airlie 132943aba7ebSDave Airlie dev_path = drm_property_create(dev, 133043aba7ebSDave Airlie DRM_MODE_PROP_BLOB | 133143aba7ebSDave Airlie DRM_MODE_PROP_IMMUTABLE, 133243aba7ebSDave Airlie "PATH", 0); 133343aba7ebSDave Airlie dev->mode_config.path_property = dev_path; 133443aba7ebSDave Airlie 1335f453ba04SDave Airlie return 0; 1336f453ba04SDave Airlie } 1337f453ba04SDave Airlie 13389922ab5aSRob Clark static int drm_mode_create_standard_plane_properties(struct drm_device *dev) 13399922ab5aSRob Clark { 13409922ab5aSRob Clark struct drm_property *type; 13419922ab5aSRob Clark 13429922ab5aSRob Clark /* 13439922ab5aSRob Clark * Standard properties (apply to all planes) 13449922ab5aSRob Clark */ 13459922ab5aSRob Clark type = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 13469922ab5aSRob Clark "type", drm_plane_type_enum_list, 13479922ab5aSRob Clark ARRAY_SIZE(drm_plane_type_enum_list)); 13489922ab5aSRob Clark dev->mode_config.plane_type_property = type; 13499922ab5aSRob Clark 13509922ab5aSRob Clark return 0; 13519922ab5aSRob Clark } 13529922ab5aSRob Clark 1353f453ba04SDave Airlie /** 1354f453ba04SDave Airlie * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties 1355f453ba04SDave Airlie * @dev: DRM device 1356f453ba04SDave Airlie * 1357f453ba04SDave Airlie * Called by a driver the first time a DVI-I connector is made. 1358f453ba04SDave Airlie */ 1359f453ba04SDave Airlie int drm_mode_create_dvi_i_properties(struct drm_device *dev) 1360f453ba04SDave Airlie { 1361f453ba04SDave Airlie struct drm_property *dvi_i_selector; 1362f453ba04SDave Airlie struct drm_property *dvi_i_subconnector; 1363f453ba04SDave Airlie 1364f453ba04SDave Airlie if (dev->mode_config.dvi_i_select_subconnector_property) 1365f453ba04SDave Airlie return 0; 1366f453ba04SDave Airlie 1367f453ba04SDave Airlie dvi_i_selector = 13684a67d391SSascha Hauer drm_property_create_enum(dev, 0, 1369f453ba04SDave Airlie "select subconnector", 13704a67d391SSascha Hauer drm_dvi_i_select_enum_list, 1371f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_select_enum_list)); 1372f453ba04SDave Airlie dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; 1373f453ba04SDave Airlie 13744a67d391SSascha Hauer dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1375f453ba04SDave Airlie "subconnector", 13764a67d391SSascha Hauer drm_dvi_i_subconnector_enum_list, 1377f453ba04SDave Airlie ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); 1378f453ba04SDave Airlie dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; 1379f453ba04SDave Airlie 1380f453ba04SDave Airlie return 0; 1381f453ba04SDave Airlie } 1382f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); 1383f453ba04SDave Airlie 1384f453ba04SDave Airlie /** 1385f453ba04SDave Airlie * drm_create_tv_properties - create TV specific connector properties 1386f453ba04SDave Airlie * @dev: DRM device 1387f453ba04SDave Airlie * @num_modes: number of different TV formats (modes) supported 1388f453ba04SDave Airlie * @modes: array of pointers to strings containing name of each format 1389f453ba04SDave Airlie * 1390f453ba04SDave Airlie * Called by a driver's TV initialization routine, this function creates 1391f453ba04SDave Airlie * the TV specific connector properties for a given device. Caller is 1392f453ba04SDave Airlie * responsible for allocating a list of format names and passing them to 1393f453ba04SDave Airlie * this routine. 1394f453ba04SDave Airlie */ 1395f453ba04SDave Airlie int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, 1396f453ba04SDave Airlie char *modes[]) 1397f453ba04SDave Airlie { 1398f453ba04SDave Airlie struct drm_property *tv_selector; 1399f453ba04SDave Airlie struct drm_property *tv_subconnector; 1400f453ba04SDave Airlie int i; 1401f453ba04SDave Airlie 1402f453ba04SDave Airlie if (dev->mode_config.tv_select_subconnector_property) 1403f453ba04SDave Airlie return 0; 1404f453ba04SDave Airlie 1405f453ba04SDave Airlie /* 1406f453ba04SDave Airlie * Basic connector properties 1407f453ba04SDave Airlie */ 14084a67d391SSascha Hauer tv_selector = drm_property_create_enum(dev, 0, 1409f453ba04SDave Airlie "select subconnector", 14104a67d391SSascha Hauer drm_tv_select_enum_list, 1411f453ba04SDave Airlie ARRAY_SIZE(drm_tv_select_enum_list)); 1412f453ba04SDave Airlie dev->mode_config.tv_select_subconnector_property = tv_selector; 1413f453ba04SDave Airlie 1414f453ba04SDave Airlie tv_subconnector = 14154a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 14164a67d391SSascha Hauer "subconnector", 14174a67d391SSascha Hauer drm_tv_subconnector_enum_list, 1418f453ba04SDave Airlie ARRAY_SIZE(drm_tv_subconnector_enum_list)); 1419f453ba04SDave Airlie dev->mode_config.tv_subconnector_property = tv_subconnector; 1420f453ba04SDave Airlie 1421f453ba04SDave Airlie /* 1422f453ba04SDave Airlie * Other, TV specific properties: margins & TV modes. 1423f453ba04SDave Airlie */ 1424f453ba04SDave Airlie dev->mode_config.tv_left_margin_property = 1425d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "left margin", 0, 100); 1426f453ba04SDave Airlie 1427f453ba04SDave Airlie dev->mode_config.tv_right_margin_property = 1428d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "right margin", 0, 100); 1429f453ba04SDave Airlie 1430f453ba04SDave Airlie dev->mode_config.tv_top_margin_property = 1431d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "top margin", 0, 100); 1432f453ba04SDave Airlie 1433f453ba04SDave Airlie dev->mode_config.tv_bottom_margin_property = 1434d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "bottom margin", 0, 100); 1435f453ba04SDave Airlie 1436f453ba04SDave Airlie dev->mode_config.tv_mode_property = 1437f453ba04SDave Airlie drm_property_create(dev, DRM_MODE_PROP_ENUM, 1438f453ba04SDave Airlie "mode", num_modes); 1439f453ba04SDave Airlie for (i = 0; i < num_modes; i++) 1440f453ba04SDave Airlie drm_property_add_enum(dev->mode_config.tv_mode_property, i, 1441f453ba04SDave Airlie i, modes[i]); 1442f453ba04SDave Airlie 1443b6b7902eSFrancisco Jerez dev->mode_config.tv_brightness_property = 1444d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "brightness", 0, 100); 1445b6b7902eSFrancisco Jerez 1446b6b7902eSFrancisco Jerez dev->mode_config.tv_contrast_property = 1447d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "contrast", 0, 100); 1448b6b7902eSFrancisco Jerez 1449b6b7902eSFrancisco Jerez dev->mode_config.tv_flicker_reduction_property = 1450d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "flicker reduction", 0, 100); 1451b6b7902eSFrancisco Jerez 1452a75f0236SFrancisco Jerez dev->mode_config.tv_overscan_property = 1453d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "overscan", 0, 100); 1454a75f0236SFrancisco Jerez 1455a75f0236SFrancisco Jerez dev->mode_config.tv_saturation_property = 1456d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "saturation", 0, 100); 1457a75f0236SFrancisco Jerez 1458a75f0236SFrancisco Jerez dev->mode_config.tv_hue_property = 1459d9bc3c02SSascha Hauer drm_property_create_range(dev, 0, "hue", 0, 100); 1460a75f0236SFrancisco Jerez 1461f453ba04SDave Airlie return 0; 1462f453ba04SDave Airlie } 1463f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_tv_properties); 1464f453ba04SDave Airlie 1465f453ba04SDave Airlie /** 1466f453ba04SDave Airlie * drm_mode_create_scaling_mode_property - create scaling mode property 1467f453ba04SDave Airlie * @dev: DRM device 1468f453ba04SDave Airlie * 1469f453ba04SDave Airlie * Called by a driver the first time it's needed, must be attached to desired 1470f453ba04SDave Airlie * connectors. 1471f453ba04SDave Airlie */ 1472f453ba04SDave Airlie int drm_mode_create_scaling_mode_property(struct drm_device *dev) 1473f453ba04SDave Airlie { 1474f453ba04SDave Airlie struct drm_property *scaling_mode; 1475f453ba04SDave Airlie 1476f453ba04SDave Airlie if (dev->mode_config.scaling_mode_property) 1477f453ba04SDave Airlie return 0; 1478f453ba04SDave Airlie 1479f453ba04SDave Airlie scaling_mode = 14804a67d391SSascha Hauer drm_property_create_enum(dev, 0, "scaling mode", 14814a67d391SSascha Hauer drm_scaling_mode_enum_list, 1482f453ba04SDave Airlie ARRAY_SIZE(drm_scaling_mode_enum_list)); 1483f453ba04SDave Airlie 1484f453ba04SDave Airlie dev->mode_config.scaling_mode_property = scaling_mode; 1485f453ba04SDave Airlie 1486f453ba04SDave Airlie return 0; 1487f453ba04SDave Airlie } 1488f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); 1489f453ba04SDave Airlie 1490f453ba04SDave Airlie /** 1491ff587e45SVandana Kannan * drm_mode_create_aspect_ratio_property - create aspect ratio property 1492ff587e45SVandana Kannan * @dev: DRM device 1493ff587e45SVandana Kannan * 1494ff587e45SVandana Kannan * Called by a driver the first time it's needed, must be attached to desired 1495ff587e45SVandana Kannan * connectors. 1496ff587e45SVandana Kannan * 1497ff587e45SVandana Kannan * Returns: 1498ff587e45SVandana Kannan * Zero on success, errno on failure. 1499ff587e45SVandana Kannan */ 1500ff587e45SVandana Kannan int drm_mode_create_aspect_ratio_property(struct drm_device *dev) 1501ff587e45SVandana Kannan { 1502ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property) 1503ff587e45SVandana Kannan return 0; 1504ff587e45SVandana Kannan 1505ff587e45SVandana Kannan dev->mode_config.aspect_ratio_property = 1506ff587e45SVandana Kannan drm_property_create_enum(dev, 0, "aspect ratio", 1507ff587e45SVandana Kannan drm_aspect_ratio_enum_list, 1508ff587e45SVandana Kannan ARRAY_SIZE(drm_aspect_ratio_enum_list)); 1509ff587e45SVandana Kannan 1510ff587e45SVandana Kannan if (dev->mode_config.aspect_ratio_property == NULL) 1511ff587e45SVandana Kannan return -ENOMEM; 1512ff587e45SVandana Kannan 1513ff587e45SVandana Kannan return 0; 1514ff587e45SVandana Kannan } 1515ff587e45SVandana Kannan EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); 1516ff587e45SVandana Kannan 1517ff587e45SVandana Kannan /** 1518884840aaSJakob Bornecrantz * drm_mode_create_dirty_property - create dirty property 1519884840aaSJakob Bornecrantz * @dev: DRM device 1520884840aaSJakob Bornecrantz * 1521884840aaSJakob Bornecrantz * Called by a driver the first time it's needed, must be attached to desired 1522884840aaSJakob Bornecrantz * connectors. 1523884840aaSJakob Bornecrantz */ 1524884840aaSJakob Bornecrantz int drm_mode_create_dirty_info_property(struct drm_device *dev) 1525884840aaSJakob Bornecrantz { 1526884840aaSJakob Bornecrantz struct drm_property *dirty_info; 1527884840aaSJakob Bornecrantz 1528884840aaSJakob Bornecrantz if (dev->mode_config.dirty_info_property) 1529884840aaSJakob Bornecrantz return 0; 1530884840aaSJakob Bornecrantz 1531884840aaSJakob Bornecrantz dirty_info = 15324a67d391SSascha Hauer drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, 1533884840aaSJakob Bornecrantz "dirty", 15344a67d391SSascha Hauer drm_dirty_info_enum_list, 1535884840aaSJakob Bornecrantz ARRAY_SIZE(drm_dirty_info_enum_list)); 1536884840aaSJakob Bornecrantz dev->mode_config.dirty_info_property = dirty_info; 1537884840aaSJakob Bornecrantz 1538884840aaSJakob Bornecrantz return 0; 1539884840aaSJakob Bornecrantz } 1540884840aaSJakob Bornecrantz EXPORT_SYMBOL(drm_mode_create_dirty_info_property); 1541884840aaSJakob Bornecrantz 1542ea9cbb06SVille Syrjälä static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) 1543f453ba04SDave Airlie { 1544f453ba04SDave Airlie uint32_t total_objects = 0; 1545f453ba04SDave Airlie 1546f453ba04SDave Airlie total_objects += dev->mode_config.num_crtc; 1547f453ba04SDave Airlie total_objects += dev->mode_config.num_connector; 1548f453ba04SDave Airlie total_objects += dev->mode_config.num_encoder; 15493b336ec4SSean Paul total_objects += dev->mode_config.num_bridge; 1550f453ba04SDave Airlie 1551f453ba04SDave Airlie group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); 1552f453ba04SDave Airlie if (!group->id_list) 1553f453ba04SDave Airlie return -ENOMEM; 1554f453ba04SDave Airlie 1555f453ba04SDave Airlie group->num_crtcs = 0; 1556f453ba04SDave Airlie group->num_connectors = 0; 1557f453ba04SDave Airlie group->num_encoders = 0; 15583b336ec4SSean Paul group->num_bridges = 0; 1559f453ba04SDave Airlie return 0; 1560f453ba04SDave Airlie } 1561f453ba04SDave Airlie 1562ad222799SDave Airlie void drm_mode_group_destroy(struct drm_mode_group *group) 1563ad222799SDave Airlie { 1564ad222799SDave Airlie kfree(group->id_list); 1565ad222799SDave Airlie group->id_list = NULL; 1566ad222799SDave Airlie } 1567ad222799SDave Airlie 1568c8e32cc1SDaniel Vetter /* 1569c8e32cc1SDaniel Vetter * NOTE: Driver's shouldn't ever call drm_mode_group_init_legacy_group - it is 1570c8e32cc1SDaniel Vetter * the drm core's responsibility to set up mode control groups. 1571c8e32cc1SDaniel Vetter */ 1572f453ba04SDave Airlie int drm_mode_group_init_legacy_group(struct drm_device *dev, 1573f453ba04SDave Airlie struct drm_mode_group *group) 1574f453ba04SDave Airlie { 1575f453ba04SDave Airlie struct drm_crtc *crtc; 1576f453ba04SDave Airlie struct drm_encoder *encoder; 1577f453ba04SDave Airlie struct drm_connector *connector; 15783b336ec4SSean Paul struct drm_bridge *bridge; 1579f453ba04SDave Airlie int ret; 1580f453ba04SDave Airlie 1581f453ba04SDave Airlie if ((ret = drm_mode_group_init(dev, group))) 1582f453ba04SDave Airlie return ret; 1583f453ba04SDave Airlie 1584f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 1585f453ba04SDave Airlie group->id_list[group->num_crtcs++] = crtc->base.id; 1586f453ba04SDave Airlie 1587f453ba04SDave Airlie list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 1588f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders++] = 1589f453ba04SDave Airlie encoder->base.id; 1590f453ba04SDave Airlie 1591f453ba04SDave Airlie list_for_each_entry(connector, &dev->mode_config.connector_list, head) 1592f453ba04SDave Airlie group->id_list[group->num_crtcs + group->num_encoders + 1593f453ba04SDave Airlie group->num_connectors++] = connector->base.id; 1594f453ba04SDave Airlie 15953b336ec4SSean Paul list_for_each_entry(bridge, &dev->mode_config.bridge_list, head) 15963b336ec4SSean Paul group->id_list[group->num_crtcs + group->num_encoders + 15973b336ec4SSean Paul group->num_connectors + group->num_bridges++] = 15983b336ec4SSean Paul bridge->base.id; 15993b336ec4SSean Paul 1600f453ba04SDave Airlie return 0; 1601f453ba04SDave Airlie } 16029c1dfc55SDave Airlie EXPORT_SYMBOL(drm_mode_group_init_legacy_group); 1603f453ba04SDave Airlie 16042390cd11SDave Airlie void drm_reinit_primary_mode_group(struct drm_device *dev) 16052390cd11SDave Airlie { 16062390cd11SDave Airlie drm_modeset_lock_all(dev); 16072390cd11SDave Airlie drm_mode_group_destroy(&dev->primary->mode_group); 16082390cd11SDave Airlie drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); 16092390cd11SDave Airlie drm_modeset_unlock_all(dev); 16102390cd11SDave Airlie } 16112390cd11SDave Airlie EXPORT_SYMBOL(drm_reinit_primary_mode_group); 16122390cd11SDave Airlie 1613f453ba04SDave Airlie /** 1614f453ba04SDave Airlie * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo 1615f453ba04SDave Airlie * @out: drm_mode_modeinfo struct to return to the user 1616f453ba04SDave Airlie * @in: drm_display_mode to use 1617f453ba04SDave Airlie * 1618f453ba04SDave Airlie * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to 1619f453ba04SDave Airlie * the user. 1620f453ba04SDave Airlie */ 162193bbf6dbSVille Syrjälä static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, 162293bbf6dbSVille Syrjälä const struct drm_display_mode *in) 1623f453ba04SDave Airlie { 1624e36fae38SVille Syrjälä WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || 1625e36fae38SVille Syrjälä in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || 1626e36fae38SVille Syrjälä in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || 1627e36fae38SVille Syrjälä in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || 1628e36fae38SVille Syrjälä in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, 1629e36fae38SVille Syrjälä "timing values too large for mode info\n"); 1630e36fae38SVille Syrjälä 1631f453ba04SDave Airlie out->clock = in->clock; 1632f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1633f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1634f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1635f453ba04SDave Airlie out->htotal = in->htotal; 1636f453ba04SDave Airlie out->hskew = in->hskew; 1637f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1638f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1639f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1640f453ba04SDave Airlie out->vtotal = in->vtotal; 1641f453ba04SDave Airlie out->vscan = in->vscan; 1642f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1643f453ba04SDave Airlie out->flags = in->flags; 1644f453ba04SDave Airlie out->type = in->type; 1645f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1646f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 1647f453ba04SDave Airlie } 1648f453ba04SDave Airlie 1649f453ba04SDave Airlie /** 165074afee7dSMarc-André Lureau * drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode 1651f453ba04SDave Airlie * @out: drm_display_mode to return to the user 1652f453ba04SDave Airlie * @in: drm_mode_modeinfo to use 1653f453ba04SDave Airlie * 1654f453ba04SDave Airlie * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to 1655f453ba04SDave Airlie * the caller. 165690367bf6SVille Syrjälä * 1657c8e32cc1SDaniel Vetter * Returns: 165890367bf6SVille Syrjälä * Zero on success, errno on failure. 1659f453ba04SDave Airlie */ 166093bbf6dbSVille Syrjälä static int drm_crtc_convert_umode(struct drm_display_mode *out, 166193bbf6dbSVille Syrjälä const struct drm_mode_modeinfo *in) 1662f453ba04SDave Airlie { 166390367bf6SVille Syrjälä if (in->clock > INT_MAX || in->vrefresh > INT_MAX) 166490367bf6SVille Syrjälä return -ERANGE; 166590367bf6SVille Syrjälä 16665848ad40SDamien Lespiau if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX) 16675848ad40SDamien Lespiau return -EINVAL; 16685848ad40SDamien Lespiau 1669f453ba04SDave Airlie out->clock = in->clock; 1670f453ba04SDave Airlie out->hdisplay = in->hdisplay; 1671f453ba04SDave Airlie out->hsync_start = in->hsync_start; 1672f453ba04SDave Airlie out->hsync_end = in->hsync_end; 1673f453ba04SDave Airlie out->htotal = in->htotal; 1674f453ba04SDave Airlie out->hskew = in->hskew; 1675f453ba04SDave Airlie out->vdisplay = in->vdisplay; 1676f453ba04SDave Airlie out->vsync_start = in->vsync_start; 1677f453ba04SDave Airlie out->vsync_end = in->vsync_end; 1678f453ba04SDave Airlie out->vtotal = in->vtotal; 1679f453ba04SDave Airlie out->vscan = in->vscan; 1680f453ba04SDave Airlie out->vrefresh = in->vrefresh; 1681f453ba04SDave Airlie out->flags = in->flags; 1682f453ba04SDave Airlie out->type = in->type; 1683f453ba04SDave Airlie strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); 1684f453ba04SDave Airlie out->name[DRM_DISPLAY_MODE_LEN-1] = 0; 168590367bf6SVille Syrjälä 168690367bf6SVille Syrjälä return 0; 1687f453ba04SDave Airlie } 1688f453ba04SDave Airlie 1689f453ba04SDave Airlie /** 1690f453ba04SDave Airlie * drm_mode_getresources - get graphics configuration 1691065a50edSDaniel Vetter * @dev: drm device for the ioctl 1692065a50edSDaniel Vetter * @data: data pointer for the ioctl 1693065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1694f453ba04SDave Airlie * 1695f453ba04SDave Airlie * Construct a set of configuration description structures and return 1696f453ba04SDave Airlie * them to the user, including CRTC, connector and framebuffer configuration. 1697f453ba04SDave Airlie * 1698f453ba04SDave Airlie * Called by the user via ioctl. 1699f453ba04SDave Airlie * 1700c8e32cc1SDaniel Vetter * Returns: 1701f453ba04SDave Airlie * Zero on success, errno on failure. 1702f453ba04SDave Airlie */ 1703f453ba04SDave Airlie int drm_mode_getresources(struct drm_device *dev, void *data, 1704f453ba04SDave Airlie struct drm_file *file_priv) 1705f453ba04SDave Airlie { 1706f453ba04SDave Airlie struct drm_mode_card_res *card_res = data; 1707f453ba04SDave Airlie struct list_head *lh; 1708f453ba04SDave Airlie struct drm_framebuffer *fb; 1709f453ba04SDave Airlie struct drm_connector *connector; 1710f453ba04SDave Airlie struct drm_crtc *crtc; 1711f453ba04SDave Airlie struct drm_encoder *encoder; 1712f453ba04SDave Airlie int ret = 0; 1713f453ba04SDave Airlie int connector_count = 0; 1714f453ba04SDave Airlie int crtc_count = 0; 1715f453ba04SDave Airlie int fb_count = 0; 1716f453ba04SDave Airlie int encoder_count = 0; 1717f453ba04SDave Airlie int copied = 0, i; 1718f453ba04SDave Airlie uint32_t __user *fb_id; 1719f453ba04SDave Airlie uint32_t __user *crtc_id; 1720f453ba04SDave Airlie uint32_t __user *connector_id; 1721f453ba04SDave Airlie uint32_t __user *encoder_id; 1722f453ba04SDave Airlie struct drm_mode_group *mode_group; 1723f453ba04SDave Airlie 1724fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1725fb3b06c8SDave Airlie return -EINVAL; 1726fb3b06c8SDave Airlie 1727f453ba04SDave Airlie 17284b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 1729f453ba04SDave Airlie /* 1730f453ba04SDave Airlie * For the non-control nodes we need to limit the list of resources 1731f453ba04SDave Airlie * by IDs in the group list for this node 1732f453ba04SDave Airlie */ 1733f453ba04SDave Airlie list_for_each(lh, &file_priv->fbs) 1734f453ba04SDave Airlie fb_count++; 1735f453ba04SDave Airlie 17364b096ac1SDaniel Vetter /* handle this in 4 parts */ 17374b096ac1SDaniel Vetter /* FBs */ 17384b096ac1SDaniel Vetter if (card_res->count_fbs >= fb_count) { 17394b096ac1SDaniel Vetter copied = 0; 17404b096ac1SDaniel Vetter fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; 17414b096ac1SDaniel Vetter list_for_each_entry(fb, &file_priv->fbs, filp_head) { 17424b096ac1SDaniel Vetter if (put_user(fb->base.id, fb_id + copied)) { 17434b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 17444b096ac1SDaniel Vetter return -EFAULT; 17454b096ac1SDaniel Vetter } 17464b096ac1SDaniel Vetter copied++; 17474b096ac1SDaniel Vetter } 17484b096ac1SDaniel Vetter } 17494b096ac1SDaniel Vetter card_res->count_fbs = fb_count; 17504b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 17514b096ac1SDaniel Vetter 17524b096ac1SDaniel Vetter drm_modeset_lock_all(dev); 175343683057SThomas Hellstrom if (!drm_is_primary_client(file_priv)) { 1754f453ba04SDave Airlie 175509f308f7SThomas Hellstrom mode_group = NULL; 1756f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.crtc_list) 1757f453ba04SDave Airlie crtc_count++; 1758f453ba04SDave Airlie 1759f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.connector_list) 1760f453ba04SDave Airlie connector_count++; 1761f453ba04SDave Airlie 1762f453ba04SDave Airlie list_for_each(lh, &dev->mode_config.encoder_list) 1763f453ba04SDave Airlie encoder_count++; 1764f453ba04SDave Airlie } else { 1765f453ba04SDave Airlie 176609f308f7SThomas Hellstrom mode_group = &file_priv->master->minor->mode_group; 1767f453ba04SDave Airlie crtc_count = mode_group->num_crtcs; 1768f453ba04SDave Airlie connector_count = mode_group->num_connectors; 1769f453ba04SDave Airlie encoder_count = mode_group->num_encoders; 1770f453ba04SDave Airlie } 1771f453ba04SDave Airlie 1772f453ba04SDave Airlie card_res->max_height = dev->mode_config.max_height; 1773f453ba04SDave Airlie card_res->min_height = dev->mode_config.min_height; 1774f453ba04SDave Airlie card_res->max_width = dev->mode_config.max_width; 1775f453ba04SDave Airlie card_res->min_width = dev->mode_config.min_width; 1776f453ba04SDave Airlie 1777f453ba04SDave Airlie /* CRTCs */ 1778f453ba04SDave Airlie if (card_res->count_crtcs >= crtc_count) { 1779f453ba04SDave Airlie copied = 0; 1780f453ba04SDave Airlie crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; 178109f308f7SThomas Hellstrom if (!mode_group) { 1782f453ba04SDave Airlie list_for_each_entry(crtc, &dev->mode_config.crtc_list, 1783f453ba04SDave Airlie head) { 17849440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 1785f453ba04SDave Airlie if (put_user(crtc->base.id, crtc_id + copied)) { 1786f453ba04SDave Airlie ret = -EFAULT; 1787f453ba04SDave Airlie goto out; 1788f453ba04SDave Airlie } 1789f453ba04SDave Airlie copied++; 1790f453ba04SDave Airlie } 1791f453ba04SDave Airlie } else { 1792f453ba04SDave Airlie for (i = 0; i < mode_group->num_crtcs; i++) { 1793f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1794f453ba04SDave Airlie crtc_id + copied)) { 1795f453ba04SDave Airlie ret = -EFAULT; 1796f453ba04SDave Airlie goto out; 1797f453ba04SDave Airlie } 1798f453ba04SDave Airlie copied++; 1799f453ba04SDave Airlie } 1800f453ba04SDave Airlie } 1801f453ba04SDave Airlie } 1802f453ba04SDave Airlie card_res->count_crtcs = crtc_count; 1803f453ba04SDave Airlie 1804f453ba04SDave Airlie /* Encoders */ 1805f453ba04SDave Airlie if (card_res->count_encoders >= encoder_count) { 1806f453ba04SDave Airlie copied = 0; 1807f453ba04SDave Airlie encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; 180809f308f7SThomas Hellstrom if (!mode_group) { 1809f453ba04SDave Airlie list_for_each_entry(encoder, 1810f453ba04SDave Airlie &dev->mode_config.encoder_list, 1811f453ba04SDave Airlie head) { 18129440106bSJerome Glisse DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, 181383a8cfd3SJani Nikula encoder->name); 1814f453ba04SDave Airlie if (put_user(encoder->base.id, encoder_id + 1815f453ba04SDave Airlie copied)) { 1816f453ba04SDave Airlie ret = -EFAULT; 1817f453ba04SDave Airlie goto out; 1818f453ba04SDave Airlie } 1819f453ba04SDave Airlie copied++; 1820f453ba04SDave Airlie } 1821f453ba04SDave Airlie } else { 1822f453ba04SDave Airlie for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { 1823f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1824f453ba04SDave Airlie encoder_id + copied)) { 1825f453ba04SDave Airlie ret = -EFAULT; 1826f453ba04SDave Airlie goto out; 1827f453ba04SDave Airlie } 1828f453ba04SDave Airlie copied++; 1829f453ba04SDave Airlie } 1830f453ba04SDave Airlie 1831f453ba04SDave Airlie } 1832f453ba04SDave Airlie } 1833f453ba04SDave Airlie card_res->count_encoders = encoder_count; 1834f453ba04SDave Airlie 1835f453ba04SDave Airlie /* Connectors */ 1836f453ba04SDave Airlie if (card_res->count_connectors >= connector_count) { 1837f453ba04SDave Airlie copied = 0; 1838f453ba04SDave Airlie connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; 183909f308f7SThomas Hellstrom if (!mode_group) { 1840f453ba04SDave Airlie list_for_each_entry(connector, 1841f453ba04SDave Airlie &dev->mode_config.connector_list, 1842f453ba04SDave Airlie head) { 18439440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 18449440106bSJerome Glisse connector->base.id, 184525933820SJani Nikula connector->name); 1846f453ba04SDave Airlie if (put_user(connector->base.id, 1847f453ba04SDave Airlie connector_id + copied)) { 1848f453ba04SDave Airlie ret = -EFAULT; 1849f453ba04SDave Airlie goto out; 1850f453ba04SDave Airlie } 1851f453ba04SDave Airlie copied++; 1852f453ba04SDave Airlie } 1853f453ba04SDave Airlie } else { 1854f453ba04SDave Airlie int start = mode_group->num_crtcs + 1855f453ba04SDave Airlie mode_group->num_encoders; 1856f453ba04SDave Airlie for (i = start; i < start + mode_group->num_connectors; i++) { 1857f453ba04SDave Airlie if (put_user(mode_group->id_list[i], 1858f453ba04SDave Airlie connector_id + copied)) { 1859f453ba04SDave Airlie ret = -EFAULT; 1860f453ba04SDave Airlie goto out; 1861f453ba04SDave Airlie } 1862f453ba04SDave Airlie copied++; 1863f453ba04SDave Airlie } 1864f453ba04SDave Airlie } 1865f453ba04SDave Airlie } 1866f453ba04SDave Airlie card_res->count_connectors = connector_count; 1867f453ba04SDave Airlie 18689440106bSJerome Glisse DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, 1869f453ba04SDave Airlie card_res->count_connectors, card_res->count_encoders); 1870f453ba04SDave Airlie 1871f453ba04SDave Airlie out: 187284849903SDaniel Vetter drm_modeset_unlock_all(dev); 1873f453ba04SDave Airlie return ret; 1874f453ba04SDave Airlie } 1875f453ba04SDave Airlie 1876f453ba04SDave Airlie /** 1877f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 1878065a50edSDaniel Vetter * @dev: drm device for the ioctl 1879065a50edSDaniel Vetter * @data: data pointer for the ioctl 1880065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1881f453ba04SDave Airlie * 1882f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 1883f453ba04SDave Airlie * 1884f453ba04SDave Airlie * Called by the user via ioctl. 1885f453ba04SDave Airlie * 1886c8e32cc1SDaniel Vetter * Returns: 1887f453ba04SDave Airlie * Zero on success, errno on failure. 1888f453ba04SDave Airlie */ 1889f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 1890f453ba04SDave Airlie void *data, struct drm_file *file_priv) 1891f453ba04SDave Airlie { 1892f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 1893f453ba04SDave Airlie struct drm_crtc *crtc; 1894f453ba04SDave Airlie int ret = 0; 1895f453ba04SDave Airlie 1896fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1897fb3b06c8SDave Airlie return -EINVAL; 1898fb3b06c8SDave Airlie 189984849903SDaniel Vetter drm_modeset_lock_all(dev); 1900f453ba04SDave Airlie 1901a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_resp->crtc_id); 1902a2b34e22SRob Clark if (!crtc) { 1903f27657f2SVille Syrjälä ret = -ENOENT; 1904f453ba04SDave Airlie goto out; 1905f453ba04SDave Airlie } 1906f453ba04SDave Airlie 1907f453ba04SDave Airlie crtc_resp->x = crtc->x; 1908f453ba04SDave Airlie crtc_resp->y = crtc->y; 1909f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 1910f4510a27SMatt Roper if (crtc->primary->fb) 1911f4510a27SMatt Roper crtc_resp->fb_id = crtc->primary->fb->base.id; 1912f453ba04SDave Airlie else 1913f453ba04SDave Airlie crtc_resp->fb_id = 0; 1914f453ba04SDave Airlie 1915f453ba04SDave Airlie if (crtc->enabled) { 1916f453ba04SDave Airlie 1917f453ba04SDave Airlie drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); 1918f453ba04SDave Airlie crtc_resp->mode_valid = 1; 1919f453ba04SDave Airlie 1920f453ba04SDave Airlie } else { 1921f453ba04SDave Airlie crtc_resp->mode_valid = 0; 1922f453ba04SDave Airlie } 1923f453ba04SDave Airlie 1924f453ba04SDave Airlie out: 192584849903SDaniel Vetter drm_modeset_unlock_all(dev); 1926f453ba04SDave Airlie return ret; 1927f453ba04SDave Airlie } 1928f453ba04SDave Airlie 192961d8e328SDamien Lespiau static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode, 193061d8e328SDamien Lespiau const struct drm_file *file_priv) 193161d8e328SDamien Lespiau { 193261d8e328SDamien Lespiau /* 193361d8e328SDamien Lespiau * If user-space hasn't configured the driver to expose the stereo 3D 193461d8e328SDamien Lespiau * modes, don't expose them. 193561d8e328SDamien Lespiau */ 193661d8e328SDamien Lespiau if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode)) 193761d8e328SDamien Lespiau return false; 193861d8e328SDamien Lespiau 193961d8e328SDamien Lespiau return true; 194061d8e328SDamien Lespiau } 194161d8e328SDamien Lespiau 1942f453ba04SDave Airlie /** 1943f453ba04SDave Airlie * drm_mode_getconnector - get connector configuration 1944065a50edSDaniel Vetter * @dev: drm device for the ioctl 1945065a50edSDaniel Vetter * @data: data pointer for the ioctl 1946065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 1947f453ba04SDave Airlie * 1948f453ba04SDave Airlie * Construct a connector configuration structure to return to the user. 1949f453ba04SDave Airlie * 1950f453ba04SDave Airlie * Called by the user via ioctl. 1951f453ba04SDave Airlie * 1952c8e32cc1SDaniel Vetter * Returns: 1953f453ba04SDave Airlie * Zero on success, errno on failure. 1954f453ba04SDave Airlie */ 1955f453ba04SDave Airlie int drm_mode_getconnector(struct drm_device *dev, void *data, 1956f453ba04SDave Airlie struct drm_file *file_priv) 1957f453ba04SDave Airlie { 1958f453ba04SDave Airlie struct drm_mode_get_connector *out_resp = data; 1959f453ba04SDave Airlie struct drm_connector *connector; 1960f453ba04SDave Airlie struct drm_display_mode *mode; 1961f453ba04SDave Airlie int mode_count = 0; 1962f453ba04SDave Airlie int props_count = 0; 1963f453ba04SDave Airlie int encoders_count = 0; 1964f453ba04SDave Airlie int ret = 0; 1965f453ba04SDave Airlie int copied = 0; 1966f453ba04SDave Airlie int i; 1967f453ba04SDave Airlie struct drm_mode_modeinfo u_mode; 1968f453ba04SDave Airlie struct drm_mode_modeinfo __user *mode_ptr; 1969f453ba04SDave Airlie uint32_t __user *prop_ptr; 1970f453ba04SDave Airlie uint64_t __user *prop_values; 1971f453ba04SDave Airlie uint32_t __user *encoder_ptr; 1972f453ba04SDave Airlie 1973fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 1974fb3b06c8SDave Airlie return -EINVAL; 1975fb3b06c8SDave Airlie 1976f453ba04SDave Airlie memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); 1977f453ba04SDave Airlie 19789440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); 1979f453ba04SDave Airlie 19807b24056bSDaniel Vetter mutex_lock(&dev->mode_config.mutex); 1981f453ba04SDave Airlie 1982a2b34e22SRob Clark connector = drm_connector_find(dev, out_resp->connector_id); 1983a2b34e22SRob Clark if (!connector) { 1984f27657f2SVille Syrjälä ret = -ENOENT; 1985f453ba04SDave Airlie goto out; 1986f453ba04SDave Airlie } 1987f453ba04SDave Airlie 19887f88a9beSPaulo Zanoni props_count = connector->properties.count; 1989f453ba04SDave Airlie 1990f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 1991f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 1992f453ba04SDave Airlie encoders_count++; 1993f453ba04SDave Airlie } 1994f453ba04SDave Airlie } 1995f453ba04SDave Airlie 1996f453ba04SDave Airlie if (out_resp->count_modes == 0) { 1997f453ba04SDave Airlie connector->funcs->fill_modes(connector, 1998f453ba04SDave Airlie dev->mode_config.max_width, 1999f453ba04SDave Airlie dev->mode_config.max_height); 2000f453ba04SDave Airlie } 2001f453ba04SDave Airlie 2002f453ba04SDave Airlie /* delayed so we get modes regardless of pre-fill_modes state */ 2003f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) 200461d8e328SDamien Lespiau if (drm_mode_expose_to_userspace(mode, file_priv)) 2005f453ba04SDave Airlie mode_count++; 2006f453ba04SDave Airlie 2007f453ba04SDave Airlie out_resp->connector_id = connector->base.id; 2008f453ba04SDave Airlie out_resp->connector_type = connector->connector_type; 2009f453ba04SDave Airlie out_resp->connector_type_id = connector->connector_type_id; 2010f453ba04SDave Airlie out_resp->mm_width = connector->display_info.width_mm; 2011f453ba04SDave Airlie out_resp->mm_height = connector->display_info.height_mm; 2012f453ba04SDave Airlie out_resp->subpixel = connector->display_info.subpixel_order; 2013f453ba04SDave Airlie out_resp->connection = connector->status; 2014832fd395SDaniel Vetter drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 2015f453ba04SDave Airlie if (connector->encoder) 2016f453ba04SDave Airlie out_resp->encoder_id = connector->encoder->base.id; 2017f453ba04SDave Airlie else 2018f453ba04SDave Airlie out_resp->encoder_id = 0; 2019832fd395SDaniel Vetter drm_modeset_unlock(&dev->mode_config.connection_mutex); 2020f453ba04SDave Airlie 2021f453ba04SDave Airlie /* 2022f453ba04SDave Airlie * This ioctl is called twice, once to determine how much space is 2023f453ba04SDave Airlie * needed, and the 2nd time to fill it. 2024f453ba04SDave Airlie */ 2025f453ba04SDave Airlie if ((out_resp->count_modes >= mode_count) && mode_count) { 2026f453ba04SDave Airlie copied = 0; 202781f6c7f8SVille Syrjälä mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; 2028f453ba04SDave Airlie list_for_each_entry(mode, &connector->modes, head) { 202961d8e328SDamien Lespiau if (!drm_mode_expose_to_userspace(mode, file_priv)) 203061d8e328SDamien Lespiau continue; 203161d8e328SDamien Lespiau 2032f453ba04SDave Airlie drm_crtc_convert_to_umode(&u_mode, mode); 2033f453ba04SDave Airlie if (copy_to_user(mode_ptr + copied, 2034f453ba04SDave Airlie &u_mode, sizeof(u_mode))) { 2035f453ba04SDave Airlie ret = -EFAULT; 2036f453ba04SDave Airlie goto out; 2037f453ba04SDave Airlie } 2038f453ba04SDave Airlie copied++; 2039f453ba04SDave Airlie } 2040f453ba04SDave Airlie } 2041f453ba04SDave Airlie out_resp->count_modes = mode_count; 2042f453ba04SDave Airlie 2043f453ba04SDave Airlie if ((out_resp->count_props >= props_count) && props_count) { 2044f453ba04SDave Airlie copied = 0; 204581f6c7f8SVille Syrjälä prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); 204681f6c7f8SVille Syrjälä prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); 20477f88a9beSPaulo Zanoni for (i = 0; i < connector->properties.count; i++) { 20487e3bdf4aSPaulo Zanoni if (put_user(connector->properties.ids[i], 2049f453ba04SDave Airlie prop_ptr + copied)) { 2050f453ba04SDave Airlie ret = -EFAULT; 2051f453ba04SDave Airlie goto out; 2052f453ba04SDave Airlie } 2053f453ba04SDave Airlie 20547e3bdf4aSPaulo Zanoni if (put_user(connector->properties.values[i], 2055f453ba04SDave Airlie prop_values + copied)) { 2056f453ba04SDave Airlie ret = -EFAULT; 2057f453ba04SDave Airlie goto out; 2058f453ba04SDave Airlie } 2059f453ba04SDave Airlie copied++; 2060f453ba04SDave Airlie } 2061f453ba04SDave Airlie } 2062f453ba04SDave Airlie out_resp->count_props = props_count; 2063f453ba04SDave Airlie 2064f453ba04SDave Airlie if ((out_resp->count_encoders >= encoders_count) && encoders_count) { 2065f453ba04SDave Airlie copied = 0; 206681f6c7f8SVille Syrjälä encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); 2067f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 2068f453ba04SDave Airlie if (connector->encoder_ids[i] != 0) { 2069f453ba04SDave Airlie if (put_user(connector->encoder_ids[i], 2070f453ba04SDave Airlie encoder_ptr + copied)) { 2071f453ba04SDave Airlie ret = -EFAULT; 2072f453ba04SDave Airlie goto out; 2073f453ba04SDave Airlie } 2074f453ba04SDave Airlie copied++; 2075f453ba04SDave Airlie } 2076f453ba04SDave Airlie } 2077f453ba04SDave Airlie } 2078f453ba04SDave Airlie out_resp->count_encoders = encoders_count; 2079f453ba04SDave Airlie 2080f453ba04SDave Airlie out: 20817b24056bSDaniel Vetter mutex_unlock(&dev->mode_config.mutex); 20827b24056bSDaniel Vetter 2083f453ba04SDave Airlie return ret; 2084f453ba04SDave Airlie } 2085f453ba04SDave Airlie 2086c8e32cc1SDaniel Vetter /** 2087c8e32cc1SDaniel Vetter * drm_mode_getencoder - get encoder configuration 2088c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2089c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2090c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2091c8e32cc1SDaniel Vetter * 2092c8e32cc1SDaniel Vetter * Construct a encoder configuration structure to return to the user. 2093c8e32cc1SDaniel Vetter * 2094c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2095c8e32cc1SDaniel Vetter * 2096c8e32cc1SDaniel Vetter * Returns: 2097c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 2098c8e32cc1SDaniel Vetter */ 2099f453ba04SDave Airlie int drm_mode_getencoder(struct drm_device *dev, void *data, 2100f453ba04SDave Airlie struct drm_file *file_priv) 2101f453ba04SDave Airlie { 2102f453ba04SDave Airlie struct drm_mode_get_encoder *enc_resp = data; 2103f453ba04SDave Airlie struct drm_encoder *encoder; 2104f453ba04SDave Airlie int ret = 0; 2105f453ba04SDave Airlie 2106fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2107fb3b06c8SDave Airlie return -EINVAL; 2108fb3b06c8SDave Airlie 210984849903SDaniel Vetter drm_modeset_lock_all(dev); 2110a2b34e22SRob Clark encoder = drm_encoder_find(dev, enc_resp->encoder_id); 2111a2b34e22SRob Clark if (!encoder) { 2112f27657f2SVille Syrjälä ret = -ENOENT; 2113f453ba04SDave Airlie goto out; 2114f453ba04SDave Airlie } 2115f453ba04SDave Airlie 2116f453ba04SDave Airlie if (encoder->crtc) 2117f453ba04SDave Airlie enc_resp->crtc_id = encoder->crtc->base.id; 2118f453ba04SDave Airlie else 2119f453ba04SDave Airlie enc_resp->crtc_id = 0; 2120f453ba04SDave Airlie enc_resp->encoder_type = encoder->encoder_type; 2121f453ba04SDave Airlie enc_resp->encoder_id = encoder->base.id; 2122f453ba04SDave Airlie enc_resp->possible_crtcs = encoder->possible_crtcs; 2123f453ba04SDave Airlie enc_resp->possible_clones = encoder->possible_clones; 2124f453ba04SDave Airlie 2125f453ba04SDave Airlie out: 212684849903SDaniel Vetter drm_modeset_unlock_all(dev); 2127f453ba04SDave Airlie return ret; 2128f453ba04SDave Airlie } 2129f453ba04SDave Airlie 2130f453ba04SDave Airlie /** 2131c8e32cc1SDaniel Vetter * drm_mode_getplane_res - enumerate all plane resources 21328cf5c917SJesse Barnes * @dev: DRM device 21338cf5c917SJesse Barnes * @data: ioctl data 21348cf5c917SJesse Barnes * @file_priv: DRM file info 21358cf5c917SJesse Barnes * 2136c8e32cc1SDaniel Vetter * Construct a list of plane ids to return to the user. 2137c8e32cc1SDaniel Vetter * 2138c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2139c8e32cc1SDaniel Vetter * 2140c8e32cc1SDaniel Vetter * Returns: 2141c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 21428cf5c917SJesse Barnes */ 21438cf5c917SJesse Barnes int drm_mode_getplane_res(struct drm_device *dev, void *data, 21448cf5c917SJesse Barnes struct drm_file *file_priv) 21458cf5c917SJesse Barnes { 21468cf5c917SJesse Barnes struct drm_mode_get_plane_res *plane_resp = data; 21478cf5c917SJesse Barnes struct drm_mode_config *config; 21488cf5c917SJesse Barnes struct drm_plane *plane; 21498cf5c917SJesse Barnes uint32_t __user *plane_ptr; 21508cf5c917SJesse Barnes int copied = 0, ret = 0; 2151681e7ec7SMatt Roper unsigned num_planes; 21528cf5c917SJesse Barnes 21538cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 21548cf5c917SJesse Barnes return -EINVAL; 21558cf5c917SJesse Barnes 215684849903SDaniel Vetter drm_modeset_lock_all(dev); 21578cf5c917SJesse Barnes config = &dev->mode_config; 21588cf5c917SJesse Barnes 2159681e7ec7SMatt Roper if (file_priv->universal_planes) 2160681e7ec7SMatt Roper num_planes = config->num_total_plane; 2161681e7ec7SMatt Roper else 2162681e7ec7SMatt Roper num_planes = config->num_overlay_plane; 2163681e7ec7SMatt Roper 21648cf5c917SJesse Barnes /* 21658cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 21668cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 21678cf5c917SJesse Barnes */ 2168681e7ec7SMatt Roper if (num_planes && 2169681e7ec7SMatt Roper (plane_resp->count_planes >= num_planes)) { 217081f6c7f8SVille Syrjälä plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; 21718cf5c917SJesse Barnes 21728cf5c917SJesse Barnes list_for_each_entry(plane, &config->plane_list, head) { 2173681e7ec7SMatt Roper /* 2174681e7ec7SMatt Roper * Unless userspace set the 'universal planes' 2175681e7ec7SMatt Roper * capability bit, only advertise overlays. 2176681e7ec7SMatt Roper */ 2177681e7ec7SMatt Roper if (plane->type != DRM_PLANE_TYPE_OVERLAY && 2178681e7ec7SMatt Roper !file_priv->universal_planes) 2179e27dde3eSMatt Roper continue; 2180e27dde3eSMatt Roper 21818cf5c917SJesse Barnes if (put_user(plane->base.id, plane_ptr + copied)) { 21828cf5c917SJesse Barnes ret = -EFAULT; 21838cf5c917SJesse Barnes goto out; 21848cf5c917SJesse Barnes } 21858cf5c917SJesse Barnes copied++; 21868cf5c917SJesse Barnes } 21878cf5c917SJesse Barnes } 2188681e7ec7SMatt Roper plane_resp->count_planes = num_planes; 21898cf5c917SJesse Barnes 21908cf5c917SJesse Barnes out: 219184849903SDaniel Vetter drm_modeset_unlock_all(dev); 21928cf5c917SJesse Barnes return ret; 21938cf5c917SJesse Barnes } 21948cf5c917SJesse Barnes 21958cf5c917SJesse Barnes /** 2196c8e32cc1SDaniel Vetter * drm_mode_getplane - get plane configuration 21978cf5c917SJesse Barnes * @dev: DRM device 21988cf5c917SJesse Barnes * @data: ioctl data 21998cf5c917SJesse Barnes * @file_priv: DRM file info 22008cf5c917SJesse Barnes * 2201c8e32cc1SDaniel Vetter * Construct a plane configuration structure to return to the user. 2202c8e32cc1SDaniel Vetter * 2203c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2204c8e32cc1SDaniel Vetter * 2205c8e32cc1SDaniel Vetter * Returns: 2206c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 22078cf5c917SJesse Barnes */ 22088cf5c917SJesse Barnes int drm_mode_getplane(struct drm_device *dev, void *data, 22098cf5c917SJesse Barnes struct drm_file *file_priv) 22108cf5c917SJesse Barnes { 22118cf5c917SJesse Barnes struct drm_mode_get_plane *plane_resp = data; 22128cf5c917SJesse Barnes struct drm_plane *plane; 22138cf5c917SJesse Barnes uint32_t __user *format_ptr; 22148cf5c917SJesse Barnes int ret = 0; 22158cf5c917SJesse Barnes 22168cf5c917SJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 22178cf5c917SJesse Barnes return -EINVAL; 22188cf5c917SJesse Barnes 221984849903SDaniel Vetter drm_modeset_lock_all(dev); 2220a2b34e22SRob Clark plane = drm_plane_find(dev, plane_resp->plane_id); 2221a2b34e22SRob Clark if (!plane) { 22228cf5c917SJesse Barnes ret = -ENOENT; 22238cf5c917SJesse Barnes goto out; 22248cf5c917SJesse Barnes } 22258cf5c917SJesse Barnes 22268cf5c917SJesse Barnes if (plane->crtc) 22278cf5c917SJesse Barnes plane_resp->crtc_id = plane->crtc->base.id; 22288cf5c917SJesse Barnes else 22298cf5c917SJesse Barnes plane_resp->crtc_id = 0; 22308cf5c917SJesse Barnes 22318cf5c917SJesse Barnes if (plane->fb) 22328cf5c917SJesse Barnes plane_resp->fb_id = plane->fb->base.id; 22338cf5c917SJesse Barnes else 22348cf5c917SJesse Barnes plane_resp->fb_id = 0; 22358cf5c917SJesse Barnes 22368cf5c917SJesse Barnes plane_resp->plane_id = plane->base.id; 22378cf5c917SJesse Barnes plane_resp->possible_crtcs = plane->possible_crtcs; 2238778ad903SVille Syrjälä plane_resp->gamma_size = 0; 22398cf5c917SJesse Barnes 22408cf5c917SJesse Barnes /* 22418cf5c917SJesse Barnes * This ioctl is called twice, once to determine how much space is 22428cf5c917SJesse Barnes * needed, and the 2nd time to fill it. 22438cf5c917SJesse Barnes */ 22448cf5c917SJesse Barnes if (plane->format_count && 22458cf5c917SJesse Barnes (plane_resp->count_format_types >= plane->format_count)) { 224681f6c7f8SVille Syrjälä format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; 22478cf5c917SJesse Barnes if (copy_to_user(format_ptr, 22488cf5c917SJesse Barnes plane->format_types, 22498cf5c917SJesse Barnes sizeof(uint32_t) * plane->format_count)) { 22508cf5c917SJesse Barnes ret = -EFAULT; 22518cf5c917SJesse Barnes goto out; 22528cf5c917SJesse Barnes } 22538cf5c917SJesse Barnes } 22548cf5c917SJesse Barnes plane_resp->count_format_types = plane->format_count; 22558cf5c917SJesse Barnes 22568cf5c917SJesse Barnes out: 225784849903SDaniel Vetter drm_modeset_unlock_all(dev); 22588cf5c917SJesse Barnes return ret; 22598cf5c917SJesse Barnes } 22608cf5c917SJesse Barnes 2261b36552b3SMatt Roper /* 2262b36552b3SMatt Roper * setplane_internal - setplane handler for internal callers 22638cf5c917SJesse Barnes * 2264b36552b3SMatt Roper * Note that we assume an extra reference has already been taken on fb. If the 2265b36552b3SMatt Roper * update fails, this reference will be dropped before return; if it succeeds, 2266b36552b3SMatt Roper * the previous framebuffer (if any) will be unreferenced instead. 2267c8e32cc1SDaniel Vetter * 2268b36552b3SMatt Roper * src_{x,y,w,h} are provided in 16.16 fixed point format 22698cf5c917SJesse Barnes */ 227017cfd91fSChris Wilson static int setplane_internal(struct drm_plane *plane, 227117cfd91fSChris Wilson struct drm_crtc *crtc, 2272b36552b3SMatt Roper struct drm_framebuffer *fb, 2273b36552b3SMatt Roper int32_t crtc_x, int32_t crtc_y, 2274b36552b3SMatt Roper uint32_t crtc_w, uint32_t crtc_h, 2275b36552b3SMatt Roper /* src_{x,y,w,h} values are 16.16 fixed point */ 2276b36552b3SMatt Roper uint32_t src_x, uint32_t src_y, 2277b36552b3SMatt Roper uint32_t src_w, uint32_t src_h) 22788cf5c917SJesse Barnes { 227917cfd91fSChris Wilson struct drm_device *dev = plane->dev; 22808cf5c917SJesse Barnes int ret = 0; 228142ef8789SVille Syrjälä unsigned int fb_width, fb_height; 228262443be6SVille Syrjälä int i; 22838cf5c917SJesse Barnes 22843d30a59bSDaniel Vetter drm_modeset_lock_all(dev); 22858cf5c917SJesse Barnes /* No fb means shut it down */ 2286b36552b3SMatt Roper if (!fb) { 22873d30a59bSDaniel Vetter plane->old_fb = plane->fb; 2288731cce48SDaniel Vetter ret = plane->funcs->disable_plane(plane); 2289731cce48SDaniel Vetter if (!ret) { 2290e5e3b44cSVille Syrjälä plane->crtc = NULL; 2291e5e3b44cSVille Syrjälä plane->fb = NULL; 2292731cce48SDaniel Vetter } else { 22933d30a59bSDaniel Vetter plane->old_fb = NULL; 2294731cce48SDaniel Vetter } 22958cf5c917SJesse Barnes goto out; 22968cf5c917SJesse Barnes } 22978cf5c917SJesse Barnes 22987f994f3fSMatt Roper /* Check whether this plane is usable on this CRTC */ 22997f994f3fSMatt Roper if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { 23007f994f3fSMatt Roper DRM_DEBUG_KMS("Invalid crtc for plane\n"); 23017f994f3fSMatt Roper ret = -EINVAL; 23027f994f3fSMatt Roper goto out; 23037f994f3fSMatt Roper } 23047f994f3fSMatt Roper 230562443be6SVille Syrjälä /* Check whether this plane supports the fb pixel format. */ 230662443be6SVille Syrjälä for (i = 0; i < plane->format_count; i++) 230762443be6SVille Syrjälä if (fb->pixel_format == plane->format_types[i]) 230862443be6SVille Syrjälä break; 230962443be6SVille Syrjälä if (i == plane->format_count) { 23106ba6d03eSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s\n", 23116ba6d03eSVille Syrjälä drm_get_format_name(fb->pixel_format)); 231262443be6SVille Syrjälä ret = -EINVAL; 231362443be6SVille Syrjälä goto out; 231462443be6SVille Syrjälä } 231562443be6SVille Syrjälä 231642ef8789SVille Syrjälä fb_width = fb->width << 16; 231742ef8789SVille Syrjälä fb_height = fb->height << 16; 231842ef8789SVille Syrjälä 231942ef8789SVille Syrjälä /* Make sure source coordinates are inside the fb. */ 2320b36552b3SMatt Roper if (src_w > fb_width || 2321b36552b3SMatt Roper src_x > fb_width - src_w || 2322b36552b3SMatt Roper src_h > fb_height || 2323b36552b3SMatt Roper src_y > fb_height - src_h) { 232442ef8789SVille Syrjälä DRM_DEBUG_KMS("Invalid source coordinates " 232542ef8789SVille Syrjälä "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", 2326b36552b3SMatt Roper src_w >> 16, ((src_w & 0xffff) * 15625) >> 10, 2327b36552b3SMatt Roper src_h >> 16, ((src_h & 0xffff) * 15625) >> 10, 2328b36552b3SMatt Roper src_x >> 16, ((src_x & 0xffff) * 15625) >> 10, 2329b36552b3SMatt Roper src_y >> 16, ((src_y & 0xffff) * 15625) >> 10); 233042ef8789SVille Syrjälä ret = -ENOSPC; 233142ef8789SVille Syrjälä goto out; 233242ef8789SVille Syrjälä } 233342ef8789SVille Syrjälä 23343d30a59bSDaniel Vetter plane->old_fb = plane->fb; 23358cf5c917SJesse Barnes ret = plane->funcs->update_plane(plane, crtc, fb, 2336b36552b3SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2337b36552b3SMatt Roper src_x, src_y, src_w, src_h); 23388cf5c917SJesse Barnes if (!ret) { 23398cf5c917SJesse Barnes plane->crtc = crtc; 23408cf5c917SJesse Barnes plane->fb = fb; 234135f8badcSDaniel Vetter fb = NULL; 23420fe27f06SDaniel Vetter } else { 23433d30a59bSDaniel Vetter plane->old_fb = NULL; 23448cf5c917SJesse Barnes } 23458cf5c917SJesse Barnes 23468cf5c917SJesse Barnes out: 23476c2a7532SDaniel Vetter if (fb) 23486c2a7532SDaniel Vetter drm_framebuffer_unreference(fb); 23493d30a59bSDaniel Vetter if (plane->old_fb) 23503d30a59bSDaniel Vetter drm_framebuffer_unreference(plane->old_fb); 23513d30a59bSDaniel Vetter plane->old_fb = NULL; 23523d30a59bSDaniel Vetter drm_modeset_unlock_all(dev); 23538cf5c917SJesse Barnes 23548cf5c917SJesse Barnes return ret; 2355b36552b3SMatt Roper 2356b36552b3SMatt Roper } 2357b36552b3SMatt Roper 2358b36552b3SMatt Roper /** 2359b36552b3SMatt Roper * drm_mode_setplane - configure a plane's configuration 2360b36552b3SMatt Roper * @dev: DRM device 2361b36552b3SMatt Roper * @data: ioctl data* 2362b36552b3SMatt Roper * @file_priv: DRM file info 2363b36552b3SMatt Roper * 2364b36552b3SMatt Roper * Set plane configuration, including placement, fb, scaling, and other factors. 2365b36552b3SMatt Roper * Or pass a NULL fb to disable (planes may be disabled without providing a 2366b36552b3SMatt Roper * valid crtc). 2367b36552b3SMatt Roper * 2368b36552b3SMatt Roper * Returns: 2369b36552b3SMatt Roper * Zero on success, errno on failure. 2370b36552b3SMatt Roper */ 2371b36552b3SMatt Roper int drm_mode_setplane(struct drm_device *dev, void *data, 2372b36552b3SMatt Roper struct drm_file *file_priv) 2373b36552b3SMatt Roper { 2374b36552b3SMatt Roper struct drm_mode_set_plane *plane_req = data; 2375b36552b3SMatt Roper struct drm_mode_object *obj; 2376b36552b3SMatt Roper struct drm_plane *plane; 2377b36552b3SMatt Roper struct drm_crtc *crtc = NULL; 2378b36552b3SMatt Roper struct drm_framebuffer *fb = NULL; 2379b36552b3SMatt Roper 2380b36552b3SMatt Roper if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2381b36552b3SMatt Roper return -EINVAL; 2382b36552b3SMatt Roper 2383b36552b3SMatt Roper /* Give drivers some help against integer overflows */ 2384b36552b3SMatt Roper if (plane_req->crtc_w > INT_MAX || 2385b36552b3SMatt Roper plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || 2386b36552b3SMatt Roper plane_req->crtc_h > INT_MAX || 2387b36552b3SMatt Roper plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { 2388b36552b3SMatt Roper DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", 2389b36552b3SMatt Roper plane_req->crtc_w, plane_req->crtc_h, 2390b36552b3SMatt Roper plane_req->crtc_x, plane_req->crtc_y); 2391b36552b3SMatt Roper return -ERANGE; 2392b36552b3SMatt Roper } 2393b36552b3SMatt Roper 2394b36552b3SMatt Roper /* 2395b36552b3SMatt Roper * First, find the plane, crtc, and fb objects. If not available, 2396b36552b3SMatt Roper * we don't bother to call the driver. 2397b36552b3SMatt Roper */ 2398b36552b3SMatt Roper obj = drm_mode_object_find(dev, plane_req->plane_id, 2399b36552b3SMatt Roper DRM_MODE_OBJECT_PLANE); 2400b36552b3SMatt Roper if (!obj) { 2401b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown plane ID %d\n", 2402b36552b3SMatt Roper plane_req->plane_id); 2403b36552b3SMatt Roper return -ENOENT; 2404b36552b3SMatt Roper } 2405b36552b3SMatt Roper plane = obj_to_plane(obj); 2406b36552b3SMatt Roper 2407b36552b3SMatt Roper if (plane_req->fb_id) { 2408b36552b3SMatt Roper fb = drm_framebuffer_lookup(dev, plane_req->fb_id); 2409b36552b3SMatt Roper if (!fb) { 2410b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", 2411b36552b3SMatt Roper plane_req->fb_id); 2412b36552b3SMatt Roper return -ENOENT; 2413b36552b3SMatt Roper } 2414b36552b3SMatt Roper 2415b36552b3SMatt Roper obj = drm_mode_object_find(dev, plane_req->crtc_id, 2416b36552b3SMatt Roper DRM_MODE_OBJECT_CRTC); 2417b36552b3SMatt Roper if (!obj) { 2418b36552b3SMatt Roper DRM_DEBUG_KMS("Unknown crtc ID %d\n", 2419b36552b3SMatt Roper plane_req->crtc_id); 2420b36552b3SMatt Roper return -ENOENT; 2421b36552b3SMatt Roper } 2422b36552b3SMatt Roper crtc = obj_to_crtc(obj); 2423b36552b3SMatt Roper } 2424b36552b3SMatt Roper 2425161d0dc1SMatt Roper /* 2426161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2427161d0dc1SMatt Roper * framebuffer depending on success. 2428161d0dc1SMatt Roper */ 242917cfd91fSChris Wilson return setplane_internal(plane, crtc, fb, 2430b36552b3SMatt Roper plane_req->crtc_x, plane_req->crtc_y, 2431b36552b3SMatt Roper plane_req->crtc_w, plane_req->crtc_h, 2432b36552b3SMatt Roper plane_req->src_x, plane_req->src_y, 2433b36552b3SMatt Roper plane_req->src_w, plane_req->src_h); 24348cf5c917SJesse Barnes } 24358cf5c917SJesse Barnes 24368cf5c917SJesse Barnes /** 24372d13b679SDaniel Vetter * drm_mode_set_config_internal - helper to call ->set_config 24382d13b679SDaniel Vetter * @set: modeset config to set 24392d13b679SDaniel Vetter * 24402d13b679SDaniel Vetter * This is a little helper to wrap internal calls to the ->set_config driver 24412d13b679SDaniel Vetter * interface. The only thing it adds is correct refcounting dance. 2442c8e32cc1SDaniel Vetter * 2443c8e32cc1SDaniel Vetter * Returns: 2444c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 24452d13b679SDaniel Vetter */ 24462d13b679SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 24472d13b679SDaniel Vetter { 24482d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 24495cef29aaSDaniel Vetter struct drm_framebuffer *fb; 24505cef29aaSDaniel Vetter struct drm_crtc *tmp; 2451b0d12325SDaniel Vetter int ret; 24522d13b679SDaniel Vetter 24535cef29aaSDaniel Vetter /* 24545cef29aaSDaniel Vetter * NOTE: ->set_config can also disable other crtcs (if we steal all 24555cef29aaSDaniel Vetter * connectors from it), hence we need to refcount the fbs across all 24565cef29aaSDaniel Vetter * crtcs. Atomic modeset will have saner semantics ... 24575cef29aaSDaniel Vetter */ 24585cef29aaSDaniel Vetter list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) 24593d30a59bSDaniel Vetter tmp->primary->old_fb = tmp->primary->fb; 24605cef29aaSDaniel Vetter 2461b0d12325SDaniel Vetter fb = set->fb; 2462b0d12325SDaniel Vetter 2463b0d12325SDaniel Vetter ret = crtc->funcs->set_config(set); 2464b0d12325SDaniel Vetter if (ret == 0) { 2465e13161afSMatt Roper crtc->primary->crtc = crtc; 24660fe27f06SDaniel Vetter crtc->primary->fb = fb; 24675cef29aaSDaniel Vetter } 2468cc85e121SDaniel Vetter 24695cef29aaSDaniel Vetter list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { 2470f4510a27SMatt Roper if (tmp->primary->fb) 2471f4510a27SMatt Roper drm_framebuffer_reference(tmp->primary->fb); 24723d30a59bSDaniel Vetter if (tmp->primary->old_fb) 24733d30a59bSDaniel Vetter drm_framebuffer_unreference(tmp->primary->old_fb); 24743d30a59bSDaniel Vetter tmp->primary->old_fb = NULL; 2475b0d12325SDaniel Vetter } 2476b0d12325SDaniel Vetter 2477b0d12325SDaniel Vetter return ret; 24782d13b679SDaniel Vetter } 24792d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 24802d13b679SDaniel Vetter 2481af93629dSMatt Roper /** 2482af93629dSMatt Roper * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the 2483af93629dSMatt Roper * CRTC viewport 2484af93629dSMatt Roper * @crtc: CRTC that framebuffer will be displayed on 2485af93629dSMatt Roper * @x: x panning 2486af93629dSMatt Roper * @y: y panning 2487af93629dSMatt Roper * @mode: mode that framebuffer will be displayed under 2488af93629dSMatt Roper * @fb: framebuffer to check size of 2489c11e9283SDamien Lespiau */ 2490af93629dSMatt Roper int drm_crtc_check_viewport(const struct drm_crtc *crtc, 2491c11e9283SDamien Lespiau int x, int y, 2492c11e9283SDamien Lespiau const struct drm_display_mode *mode, 2493c11e9283SDamien Lespiau const struct drm_framebuffer *fb) 2494c11e9283SDamien Lespiau 2495c11e9283SDamien Lespiau { 2496c11e9283SDamien Lespiau int hdisplay, vdisplay; 2497c11e9283SDamien Lespiau 2498c11e9283SDamien Lespiau hdisplay = mode->hdisplay; 2499c11e9283SDamien Lespiau vdisplay = mode->vdisplay; 2500c11e9283SDamien Lespiau 2501a0c1bbb0SDamien Lespiau if (drm_mode_is_stereo(mode)) { 2502a0c1bbb0SDamien Lespiau struct drm_display_mode adjusted = *mode; 2503a0c1bbb0SDamien Lespiau 2504a0c1bbb0SDamien Lespiau drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE); 2505a0c1bbb0SDamien Lespiau hdisplay = adjusted.crtc_hdisplay; 2506a0c1bbb0SDamien Lespiau vdisplay = adjusted.crtc_vdisplay; 2507a0c1bbb0SDamien Lespiau } 2508a0c1bbb0SDamien Lespiau 2509c11e9283SDamien Lespiau if (crtc->invert_dimensions) 2510c11e9283SDamien Lespiau swap(hdisplay, vdisplay); 2511c11e9283SDamien Lespiau 2512c11e9283SDamien Lespiau if (hdisplay > fb->width || 2513c11e9283SDamien Lespiau vdisplay > fb->height || 2514c11e9283SDamien Lespiau x > fb->width - hdisplay || 2515c11e9283SDamien Lespiau y > fb->height - vdisplay) { 2516c11e9283SDamien Lespiau DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", 2517c11e9283SDamien Lespiau fb->width, fb->height, hdisplay, vdisplay, x, y, 2518c11e9283SDamien Lespiau crtc->invert_dimensions ? " (inverted)" : ""); 2519c11e9283SDamien Lespiau return -ENOSPC; 2520c11e9283SDamien Lespiau } 2521c11e9283SDamien Lespiau 2522c11e9283SDamien Lespiau return 0; 2523c11e9283SDamien Lespiau } 2524af93629dSMatt Roper EXPORT_SYMBOL(drm_crtc_check_viewport); 2525c11e9283SDamien Lespiau 25262d13b679SDaniel Vetter /** 2527f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 2528065a50edSDaniel Vetter * @dev: drm device for the ioctl 2529065a50edSDaniel Vetter * @data: data pointer for the ioctl 2530065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2531f453ba04SDave Airlie * 2532f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 2533f453ba04SDave Airlie * 2534f453ba04SDave Airlie * Called by the user via ioctl. 2535f453ba04SDave Airlie * 2536c8e32cc1SDaniel Vetter * Returns: 2537f453ba04SDave Airlie * Zero on success, errno on failure. 2538f453ba04SDave Airlie */ 2539f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 2540f453ba04SDave Airlie struct drm_file *file_priv) 2541f453ba04SDave Airlie { 2542f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 2543f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 25446653cc8dSVille Syrjälä struct drm_crtc *crtc; 2545f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 2546f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 2547f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 2548f453ba04SDave Airlie struct drm_mode_set set; 2549f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 25504a1b0714SLaurent Pinchart int ret; 2551f453ba04SDave Airlie int i; 2552f453ba04SDave Airlie 2553fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2554fb3b06c8SDave Airlie return -EINVAL; 2555fb3b06c8SDave Airlie 25561d97e915SVille Syrjälä /* For some reason crtc x/y offsets are signed internally. */ 25571d97e915SVille Syrjälä if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 25581d97e915SVille Syrjälä return -ERANGE; 25591d97e915SVille Syrjälä 256084849903SDaniel Vetter drm_modeset_lock_all(dev); 2561a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_req->crtc_id); 2562a2b34e22SRob Clark if (!crtc) { 256358367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 2564f27657f2SVille Syrjälä ret = -ENOENT; 2565f453ba04SDave Airlie goto out; 2566f453ba04SDave Airlie } 25679440106bSJerome Glisse DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); 2568f453ba04SDave Airlie 2569f453ba04SDave Airlie if (crtc_req->mode_valid) { 2570f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 2571f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 2572f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 2573f4510a27SMatt Roper if (!crtc->primary->fb) { 25746653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 25756653cc8dSVille Syrjälä ret = -EINVAL; 25766653cc8dSVille Syrjälä goto out; 25776653cc8dSVille Syrjälä } 2578f4510a27SMatt Roper fb = crtc->primary->fb; 2579b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 2580b0d12325SDaniel Vetter drm_framebuffer_reference(fb); 2581f453ba04SDave Airlie } else { 2582786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); 2583786b99edSDaniel Vetter if (!fb) { 258458367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 258558367ed6SZhao Yakui crtc_req->fb_id); 258637c4e705SVille Syrjälä ret = -ENOENT; 2587f453ba04SDave Airlie goto out; 2588f453ba04SDave Airlie } 2589f453ba04SDave Airlie } 2590f453ba04SDave Airlie 2591f453ba04SDave Airlie mode = drm_mode_create(dev); 2592ee34ab5bSVille Syrjälä if (!mode) { 2593ee34ab5bSVille Syrjälä ret = -ENOMEM; 2594ee34ab5bSVille Syrjälä goto out; 2595ee34ab5bSVille Syrjälä } 2596ee34ab5bSVille Syrjälä 259790367bf6SVille Syrjälä ret = drm_crtc_convert_umode(mode, &crtc_req->mode); 259890367bf6SVille Syrjälä if (ret) { 259990367bf6SVille Syrjälä DRM_DEBUG_KMS("Invalid mode\n"); 260090367bf6SVille Syrjälä goto out; 260190367bf6SVille Syrjälä } 260290367bf6SVille Syrjälä 2603f453ba04SDave Airlie drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 26045f61bb42SVille Syrjälä 2605c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, 2606c11e9283SDamien Lespiau mode, fb); 2607c11e9283SDamien Lespiau if (ret) 26085f61bb42SVille Syrjälä goto out; 2609c11e9283SDamien Lespiau 2610f453ba04SDave Airlie } 2611f453ba04SDave Airlie 2612f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 261358367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 2614f453ba04SDave Airlie ret = -EINVAL; 2615f453ba04SDave Airlie goto out; 2616f453ba04SDave Airlie } 2617f453ba04SDave Airlie 26187781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 261958367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 2620f453ba04SDave Airlie crtc_req->count_connectors); 2621f453ba04SDave Airlie ret = -EINVAL; 2622f453ba04SDave Airlie goto out; 2623f453ba04SDave Airlie } 2624f453ba04SDave Airlie 2625f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 2626f453ba04SDave Airlie u32 out_id; 2627f453ba04SDave Airlie 2628f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 2629f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 2630f453ba04SDave Airlie ret = -EINVAL; 2631f453ba04SDave Airlie goto out; 2632f453ba04SDave Airlie } 2633f453ba04SDave Airlie 2634f453ba04SDave Airlie connector_set = kmalloc(crtc_req->count_connectors * 2635f453ba04SDave Airlie sizeof(struct drm_connector *), 2636f453ba04SDave Airlie GFP_KERNEL); 2637f453ba04SDave Airlie if (!connector_set) { 2638f453ba04SDave Airlie ret = -ENOMEM; 2639f453ba04SDave Airlie goto out; 2640f453ba04SDave Airlie } 2641f453ba04SDave Airlie 2642f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 264381f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 2644f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 2645f453ba04SDave Airlie ret = -EFAULT; 2646f453ba04SDave Airlie goto out; 2647f453ba04SDave Airlie } 2648f453ba04SDave Airlie 2649a2b34e22SRob Clark connector = drm_connector_find(dev, out_id); 2650a2b34e22SRob Clark if (!connector) { 265158367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 265258367ed6SZhao Yakui out_id); 2653f27657f2SVille Syrjälä ret = -ENOENT; 2654f453ba04SDave Airlie goto out; 2655f453ba04SDave Airlie } 26569440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 26579440106bSJerome Glisse connector->base.id, 265825933820SJani Nikula connector->name); 2659f453ba04SDave Airlie 2660f453ba04SDave Airlie connector_set[i] = connector; 2661f453ba04SDave Airlie } 2662f453ba04SDave Airlie } 2663f453ba04SDave Airlie 2664f453ba04SDave Airlie set.crtc = crtc; 2665f453ba04SDave Airlie set.x = crtc_req->x; 2666f453ba04SDave Airlie set.y = crtc_req->y; 2667f453ba04SDave Airlie set.mode = mode; 2668f453ba04SDave Airlie set.connectors = connector_set; 2669f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 2670f453ba04SDave Airlie set.fb = fb; 26712d13b679SDaniel Vetter ret = drm_mode_set_config_internal(&set); 2672f453ba04SDave Airlie 2673f453ba04SDave Airlie out: 2674b0d12325SDaniel Vetter if (fb) 2675b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 2676b0d12325SDaniel Vetter 2677f453ba04SDave Airlie kfree(connector_set); 2678ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 267984849903SDaniel Vetter drm_modeset_unlock_all(dev); 2680f453ba04SDave Airlie return ret; 2681f453ba04SDave Airlie } 2682f453ba04SDave Airlie 2683161d0dc1SMatt Roper /** 2684161d0dc1SMatt Roper * drm_mode_cursor_universal - translate legacy cursor ioctl call into a 2685161d0dc1SMatt Roper * universal plane handler call 2686161d0dc1SMatt Roper * @crtc: crtc to update cursor for 2687161d0dc1SMatt Roper * @req: data pointer for the ioctl 2688161d0dc1SMatt Roper * @file_priv: drm file for the ioctl call 2689161d0dc1SMatt Roper * 2690161d0dc1SMatt Roper * Legacy cursor ioctl's work directly with driver buffer handles. To 2691161d0dc1SMatt Roper * translate legacy ioctl calls into universal plane handler calls, we need to 2692161d0dc1SMatt Roper * wrap the native buffer handle in a drm_framebuffer. 2693161d0dc1SMatt Roper * 2694161d0dc1SMatt Roper * Note that we assume any handle passed to the legacy ioctls was a 32-bit ARGB 2695161d0dc1SMatt Roper * buffer with a pitch of 4*width; the universal plane interface should be used 2696161d0dc1SMatt Roper * directly in cases where the hardware can support other buffer settings and 2697161d0dc1SMatt Roper * userspace wants to make use of these capabilities. 2698161d0dc1SMatt Roper * 2699161d0dc1SMatt Roper * Returns: 2700161d0dc1SMatt Roper * Zero on success, errno on failure. 2701161d0dc1SMatt Roper */ 2702161d0dc1SMatt Roper static int drm_mode_cursor_universal(struct drm_crtc *crtc, 2703161d0dc1SMatt Roper struct drm_mode_cursor2 *req, 2704161d0dc1SMatt Roper struct drm_file *file_priv) 2705161d0dc1SMatt Roper { 2706161d0dc1SMatt Roper struct drm_device *dev = crtc->dev; 2707161d0dc1SMatt Roper struct drm_framebuffer *fb = NULL; 2708161d0dc1SMatt Roper struct drm_mode_fb_cmd2 fbreq = { 2709161d0dc1SMatt Roper .width = req->width, 2710161d0dc1SMatt Roper .height = req->height, 2711161d0dc1SMatt Roper .pixel_format = DRM_FORMAT_ARGB8888, 2712161d0dc1SMatt Roper .pitches = { req->width * 4 }, 2713161d0dc1SMatt Roper .handles = { req->handle }, 2714161d0dc1SMatt Roper }; 2715161d0dc1SMatt Roper int32_t crtc_x, crtc_y; 2716161d0dc1SMatt Roper uint32_t crtc_w = 0, crtc_h = 0; 2717161d0dc1SMatt Roper uint32_t src_w = 0, src_h = 0; 2718161d0dc1SMatt Roper int ret = 0; 2719161d0dc1SMatt Roper 2720161d0dc1SMatt Roper BUG_ON(!crtc->cursor); 2721161d0dc1SMatt Roper 2722161d0dc1SMatt Roper /* 2723161d0dc1SMatt Roper * Obtain fb we'll be using (either new or existing) and take an extra 2724161d0dc1SMatt Roper * reference to it if fb != null. setplane will take care of dropping 2725161d0dc1SMatt Roper * the reference if the plane update fails. 2726161d0dc1SMatt Roper */ 2727161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_BO) { 2728161d0dc1SMatt Roper if (req->handle) { 2729161d0dc1SMatt Roper fb = add_framebuffer_internal(dev, &fbreq, file_priv); 2730161d0dc1SMatt Roper if (IS_ERR(fb)) { 2731161d0dc1SMatt Roper DRM_DEBUG_KMS("failed to wrap cursor buffer in drm framebuffer\n"); 2732161d0dc1SMatt Roper return PTR_ERR(fb); 2733161d0dc1SMatt Roper } 2734161d0dc1SMatt Roper 2735161d0dc1SMatt Roper drm_framebuffer_reference(fb); 2736161d0dc1SMatt Roper } else { 2737161d0dc1SMatt Roper fb = NULL; 2738161d0dc1SMatt Roper } 2739161d0dc1SMatt Roper } else { 2740161d0dc1SMatt Roper mutex_lock(&dev->mode_config.mutex); 2741161d0dc1SMatt Roper fb = crtc->cursor->fb; 2742161d0dc1SMatt Roper if (fb) 2743161d0dc1SMatt Roper drm_framebuffer_reference(fb); 2744161d0dc1SMatt Roper mutex_unlock(&dev->mode_config.mutex); 2745161d0dc1SMatt Roper } 2746161d0dc1SMatt Roper 2747161d0dc1SMatt Roper if (req->flags & DRM_MODE_CURSOR_MOVE) { 2748161d0dc1SMatt Roper crtc_x = req->x; 2749161d0dc1SMatt Roper crtc_y = req->y; 2750161d0dc1SMatt Roper } else { 2751161d0dc1SMatt Roper crtc_x = crtc->cursor_x; 2752161d0dc1SMatt Roper crtc_y = crtc->cursor_y; 2753161d0dc1SMatt Roper } 2754161d0dc1SMatt Roper 2755161d0dc1SMatt Roper if (fb) { 2756161d0dc1SMatt Roper crtc_w = fb->width; 2757161d0dc1SMatt Roper crtc_h = fb->height; 2758161d0dc1SMatt Roper src_w = fb->width << 16; 2759161d0dc1SMatt Roper src_h = fb->height << 16; 2760161d0dc1SMatt Roper } 2761161d0dc1SMatt Roper 2762161d0dc1SMatt Roper /* 2763161d0dc1SMatt Roper * setplane_internal will take care of deref'ing either the old or new 2764161d0dc1SMatt Roper * framebuffer depending on success. 2765161d0dc1SMatt Roper */ 276617cfd91fSChris Wilson ret = setplane_internal(crtc->cursor, crtc, fb, 2767161d0dc1SMatt Roper crtc_x, crtc_y, crtc_w, crtc_h, 2768161d0dc1SMatt Roper 0, 0, src_w, src_h); 2769161d0dc1SMatt Roper 2770161d0dc1SMatt Roper /* Update successful; save new cursor position, if necessary */ 2771161d0dc1SMatt Roper if (ret == 0 && req->flags & DRM_MODE_CURSOR_MOVE) { 2772161d0dc1SMatt Roper crtc->cursor_x = req->x; 2773161d0dc1SMatt Roper crtc->cursor_y = req->y; 2774161d0dc1SMatt Roper } 2775161d0dc1SMatt Roper 2776161d0dc1SMatt Roper return ret; 2777161d0dc1SMatt Roper } 2778161d0dc1SMatt Roper 27794c813d4dSDave Airlie static int drm_mode_cursor_common(struct drm_device *dev, 27804c813d4dSDave Airlie struct drm_mode_cursor2 *req, 27814c813d4dSDave Airlie struct drm_file *file_priv) 2782f453ba04SDave Airlie { 2783f453ba04SDave Airlie struct drm_crtc *crtc; 2784f453ba04SDave Airlie int ret = 0; 2785f453ba04SDave Airlie 2786fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2787fb3b06c8SDave Airlie return -EINVAL; 2788fb3b06c8SDave Airlie 27897c4eaca4SJakob Bornecrantz if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) 2790f453ba04SDave Airlie return -EINVAL; 2791f453ba04SDave Airlie 2792a2b34e22SRob Clark crtc = drm_crtc_find(dev, req->crtc_id); 2793a2b34e22SRob Clark if (!crtc) { 279458367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); 2795f27657f2SVille Syrjälä return -ENOENT; 2796f453ba04SDave Airlie } 2797f453ba04SDave Airlie 2798161d0dc1SMatt Roper /* 2799161d0dc1SMatt Roper * If this crtc has a universal cursor plane, call that plane's update 2800161d0dc1SMatt Roper * handler rather than using legacy cursor handlers. 2801161d0dc1SMatt Roper */ 2802161d0dc1SMatt Roper if (crtc->cursor) 2803161d0dc1SMatt Roper return drm_mode_cursor_universal(crtc, req, file_priv); 2804161d0dc1SMatt Roper 2805d059f652SDaniel Vetter drm_modeset_lock_crtc(crtc); 2806f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_BO) { 28074c813d4dSDave Airlie if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { 2808f453ba04SDave Airlie ret = -ENXIO; 2809f453ba04SDave Airlie goto out; 2810f453ba04SDave Airlie } 2811f453ba04SDave Airlie /* Turns off the cursor if handle is 0 */ 28124c813d4dSDave Airlie if (crtc->funcs->cursor_set2) 28134c813d4dSDave Airlie ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, 28144c813d4dSDave Airlie req->width, req->height, req->hot_x, req->hot_y); 28154c813d4dSDave Airlie else 2816f453ba04SDave Airlie ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, 2817f453ba04SDave Airlie req->width, req->height); 2818f453ba04SDave Airlie } 2819f453ba04SDave Airlie 2820f453ba04SDave Airlie if (req->flags & DRM_MODE_CURSOR_MOVE) { 2821f453ba04SDave Airlie if (crtc->funcs->cursor_move) { 2822f453ba04SDave Airlie ret = crtc->funcs->cursor_move(crtc, req->x, req->y); 2823f453ba04SDave Airlie } else { 2824f453ba04SDave Airlie ret = -EFAULT; 2825f453ba04SDave Airlie goto out; 2826f453ba04SDave Airlie } 2827f453ba04SDave Airlie } 2828f453ba04SDave Airlie out: 2829d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 2830dac35663SDaniel Vetter 2831f453ba04SDave Airlie return ret; 28324c813d4dSDave Airlie 28334c813d4dSDave Airlie } 2834c8e32cc1SDaniel Vetter 2835c8e32cc1SDaniel Vetter 2836c8e32cc1SDaniel Vetter /** 2837c8e32cc1SDaniel Vetter * drm_mode_cursor_ioctl - set CRTC's cursor configuration 2838c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2839c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2840c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2841c8e32cc1SDaniel Vetter * 2842c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. 2843c8e32cc1SDaniel Vetter * 2844c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2845c8e32cc1SDaniel Vetter * 2846c8e32cc1SDaniel Vetter * Returns: 2847c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 2848c8e32cc1SDaniel Vetter */ 28494c813d4dSDave Airlie int drm_mode_cursor_ioctl(struct drm_device *dev, 28504c813d4dSDave Airlie void *data, struct drm_file *file_priv) 28514c813d4dSDave Airlie { 28524c813d4dSDave Airlie struct drm_mode_cursor *req = data; 28534c813d4dSDave Airlie struct drm_mode_cursor2 new_req; 28544c813d4dSDave Airlie 28554c813d4dSDave Airlie memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); 28564c813d4dSDave Airlie new_req.hot_x = new_req.hot_y = 0; 28574c813d4dSDave Airlie 28584c813d4dSDave Airlie return drm_mode_cursor_common(dev, &new_req, file_priv); 28594c813d4dSDave Airlie } 28604c813d4dSDave Airlie 2861c8e32cc1SDaniel Vetter /** 2862c8e32cc1SDaniel Vetter * drm_mode_cursor2_ioctl - set CRTC's cursor configuration 2863c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 2864c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 2865c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 2866c8e32cc1SDaniel Vetter * 2867c8e32cc1SDaniel Vetter * Set the cursor configuration based on user request. This implements the 2nd 2868c8e32cc1SDaniel Vetter * version of the cursor ioctl, which allows userspace to additionally specify 2869c8e32cc1SDaniel Vetter * the hotspot of the pointer. 2870c8e32cc1SDaniel Vetter * 2871c8e32cc1SDaniel Vetter * Called by the user via ioctl. 2872c8e32cc1SDaniel Vetter * 2873c8e32cc1SDaniel Vetter * Returns: 2874c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 2875c8e32cc1SDaniel Vetter */ 28764c813d4dSDave Airlie int drm_mode_cursor2_ioctl(struct drm_device *dev, 28774c813d4dSDave Airlie void *data, struct drm_file *file_priv) 28784c813d4dSDave Airlie { 28794c813d4dSDave Airlie struct drm_mode_cursor2 *req = data; 28804c813d4dSDave Airlie return drm_mode_cursor_common(dev, req, file_priv); 2881f453ba04SDave Airlie } 2882f453ba04SDave Airlie 2883c8e32cc1SDaniel Vetter /** 2884c8e32cc1SDaniel Vetter * drm_mode_legacy_fb_format - compute drm fourcc code from legacy description 2885c8e32cc1SDaniel Vetter * @bpp: bits per pixels 2886c8e32cc1SDaniel Vetter * @depth: bit depth per pixel 2887c8e32cc1SDaniel Vetter * 2888c8e32cc1SDaniel Vetter * Computes a drm fourcc pixel format code for the given @bpp/@depth values. 2889c8e32cc1SDaniel Vetter * Useful in fbdev emulation code, since that deals in those values. 2890c8e32cc1SDaniel Vetter */ 2891308e5bcbSJesse Barnes uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) 2892308e5bcbSJesse Barnes { 2893308e5bcbSJesse Barnes uint32_t fmt; 2894308e5bcbSJesse Barnes 2895308e5bcbSJesse Barnes switch (bpp) { 2896308e5bcbSJesse Barnes case 8: 2897d84f031bSVille Syrjälä fmt = DRM_FORMAT_C8; 2898308e5bcbSJesse Barnes break; 2899308e5bcbSJesse Barnes case 16: 2900308e5bcbSJesse Barnes if (depth == 15) 290104b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB1555; 2902308e5bcbSJesse Barnes else 290304b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB565; 2904308e5bcbSJesse Barnes break; 2905308e5bcbSJesse Barnes case 24: 290604b3924dSVille Syrjälä fmt = DRM_FORMAT_RGB888; 2907308e5bcbSJesse Barnes break; 2908308e5bcbSJesse Barnes case 32: 2909308e5bcbSJesse Barnes if (depth == 24) 291004b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2911308e5bcbSJesse Barnes else if (depth == 30) 291204b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB2101010; 2913308e5bcbSJesse Barnes else 291404b3924dSVille Syrjälä fmt = DRM_FORMAT_ARGB8888; 2915308e5bcbSJesse Barnes break; 2916308e5bcbSJesse Barnes default: 291704b3924dSVille Syrjälä DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); 291804b3924dSVille Syrjälä fmt = DRM_FORMAT_XRGB8888; 2919308e5bcbSJesse Barnes break; 2920308e5bcbSJesse Barnes } 2921308e5bcbSJesse Barnes 2922308e5bcbSJesse Barnes return fmt; 2923308e5bcbSJesse Barnes } 2924308e5bcbSJesse Barnes EXPORT_SYMBOL(drm_mode_legacy_fb_format); 2925308e5bcbSJesse Barnes 2926f453ba04SDave Airlie /** 2927f453ba04SDave Airlie * drm_mode_addfb - add an FB to the graphics configuration 2928065a50edSDaniel Vetter * @dev: drm device for the ioctl 2929065a50edSDaniel Vetter * @data: data pointer for the ioctl 2930065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 2931f453ba04SDave Airlie * 2932c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request. This is the 2933c8e32cc1SDaniel Vetter * original addfb ioclt which only supported RGB formats. 2934f453ba04SDave Airlie * 2935f453ba04SDave Airlie * Called by the user via ioctl. 2936f453ba04SDave Airlie * 2937c8e32cc1SDaniel Vetter * Returns: 2938f453ba04SDave Airlie * Zero on success, errno on failure. 2939f453ba04SDave Airlie */ 2940f453ba04SDave Airlie int drm_mode_addfb(struct drm_device *dev, 2941f453ba04SDave Airlie void *data, struct drm_file *file_priv) 2942f453ba04SDave Airlie { 2943308e5bcbSJesse Barnes struct drm_mode_fb_cmd *or = data; 2944308e5bcbSJesse Barnes struct drm_mode_fb_cmd2 r = {}; 2945308e5bcbSJesse Barnes struct drm_mode_config *config = &dev->mode_config; 2946308e5bcbSJesse Barnes struct drm_framebuffer *fb; 2947308e5bcbSJesse Barnes int ret = 0; 2948308e5bcbSJesse Barnes 2949308e5bcbSJesse Barnes /* Use new struct with format internally */ 2950308e5bcbSJesse Barnes r.fb_id = or->fb_id; 2951308e5bcbSJesse Barnes r.width = or->width; 2952308e5bcbSJesse Barnes r.height = or->height; 2953308e5bcbSJesse Barnes r.pitches[0] = or->pitch; 2954308e5bcbSJesse Barnes r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); 2955308e5bcbSJesse Barnes r.handles[0] = or->handle; 2956308e5bcbSJesse Barnes 2957308e5bcbSJesse Barnes if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2958308e5bcbSJesse Barnes return -EINVAL; 2959308e5bcbSJesse Barnes 2960acb4b992SJesse Barnes if ((config->min_width > r.width) || (r.width > config->max_width)) 2961308e5bcbSJesse Barnes return -EINVAL; 2962acb4b992SJesse Barnes 2963acb4b992SJesse Barnes if ((config->min_height > r.height) || (r.height > config->max_height)) 2964308e5bcbSJesse Barnes return -EINVAL; 2965308e5bcbSJesse Barnes 2966308e5bcbSJesse Barnes fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); 2967308e5bcbSJesse Barnes if (IS_ERR(fb)) { 29681aa1b11cSDave Airlie DRM_DEBUG_KMS("could not create framebuffer\n"); 29694b096ac1SDaniel Vetter return PTR_ERR(fb); 2970308e5bcbSJesse Barnes } 2971308e5bcbSJesse Barnes 29724b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 2973308e5bcbSJesse Barnes or->fb_id = fb->base.id; 2974308e5bcbSJesse Barnes list_add(&fb->filp_head, &file_priv->fbs); 2975308e5bcbSJesse Barnes DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 29764b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 29774b096ac1SDaniel Vetter 2978308e5bcbSJesse Barnes return ret; 2979308e5bcbSJesse Barnes } 2980308e5bcbSJesse Barnes 2981cff91b62SVille Syrjälä static int format_check(const struct drm_mode_fb_cmd2 *r) 2982935b5977SVille Syrjälä { 2983935b5977SVille Syrjälä uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; 2984935b5977SVille Syrjälä 2985935b5977SVille Syrjälä switch (format) { 2986935b5977SVille Syrjälä case DRM_FORMAT_C8: 2987935b5977SVille Syrjälä case DRM_FORMAT_RGB332: 2988935b5977SVille Syrjälä case DRM_FORMAT_BGR233: 2989935b5977SVille Syrjälä case DRM_FORMAT_XRGB4444: 2990935b5977SVille Syrjälä case DRM_FORMAT_XBGR4444: 2991935b5977SVille Syrjälä case DRM_FORMAT_RGBX4444: 2992935b5977SVille Syrjälä case DRM_FORMAT_BGRX4444: 2993935b5977SVille Syrjälä case DRM_FORMAT_ARGB4444: 2994935b5977SVille Syrjälä case DRM_FORMAT_ABGR4444: 2995935b5977SVille Syrjälä case DRM_FORMAT_RGBA4444: 2996935b5977SVille Syrjälä case DRM_FORMAT_BGRA4444: 2997935b5977SVille Syrjälä case DRM_FORMAT_XRGB1555: 2998935b5977SVille Syrjälä case DRM_FORMAT_XBGR1555: 2999935b5977SVille Syrjälä case DRM_FORMAT_RGBX5551: 3000935b5977SVille Syrjälä case DRM_FORMAT_BGRX5551: 3001935b5977SVille Syrjälä case DRM_FORMAT_ARGB1555: 3002935b5977SVille Syrjälä case DRM_FORMAT_ABGR1555: 3003935b5977SVille Syrjälä case DRM_FORMAT_RGBA5551: 3004935b5977SVille Syrjälä case DRM_FORMAT_BGRA5551: 3005935b5977SVille Syrjälä case DRM_FORMAT_RGB565: 3006935b5977SVille Syrjälä case DRM_FORMAT_BGR565: 3007935b5977SVille Syrjälä case DRM_FORMAT_RGB888: 3008935b5977SVille Syrjälä case DRM_FORMAT_BGR888: 3009935b5977SVille Syrjälä case DRM_FORMAT_XRGB8888: 3010935b5977SVille Syrjälä case DRM_FORMAT_XBGR8888: 3011935b5977SVille Syrjälä case DRM_FORMAT_RGBX8888: 3012935b5977SVille Syrjälä case DRM_FORMAT_BGRX8888: 3013935b5977SVille Syrjälä case DRM_FORMAT_ARGB8888: 3014935b5977SVille Syrjälä case DRM_FORMAT_ABGR8888: 3015935b5977SVille Syrjälä case DRM_FORMAT_RGBA8888: 3016935b5977SVille Syrjälä case DRM_FORMAT_BGRA8888: 3017935b5977SVille Syrjälä case DRM_FORMAT_XRGB2101010: 3018935b5977SVille Syrjälä case DRM_FORMAT_XBGR2101010: 3019935b5977SVille Syrjälä case DRM_FORMAT_RGBX1010102: 3020935b5977SVille Syrjälä case DRM_FORMAT_BGRX1010102: 3021935b5977SVille Syrjälä case DRM_FORMAT_ARGB2101010: 3022935b5977SVille Syrjälä case DRM_FORMAT_ABGR2101010: 3023935b5977SVille Syrjälä case DRM_FORMAT_RGBA1010102: 3024935b5977SVille Syrjälä case DRM_FORMAT_BGRA1010102: 3025935b5977SVille Syrjälä case DRM_FORMAT_YUYV: 3026935b5977SVille Syrjälä case DRM_FORMAT_YVYU: 3027935b5977SVille Syrjälä case DRM_FORMAT_UYVY: 3028935b5977SVille Syrjälä case DRM_FORMAT_VYUY: 3029935b5977SVille Syrjälä case DRM_FORMAT_AYUV: 3030935b5977SVille Syrjälä case DRM_FORMAT_NV12: 3031935b5977SVille Syrjälä case DRM_FORMAT_NV21: 3032935b5977SVille Syrjälä case DRM_FORMAT_NV16: 3033935b5977SVille Syrjälä case DRM_FORMAT_NV61: 3034ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 3035ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 3036935b5977SVille Syrjälä case DRM_FORMAT_YUV410: 3037935b5977SVille Syrjälä case DRM_FORMAT_YVU410: 3038935b5977SVille Syrjälä case DRM_FORMAT_YUV411: 3039935b5977SVille Syrjälä case DRM_FORMAT_YVU411: 3040935b5977SVille Syrjälä case DRM_FORMAT_YUV420: 3041935b5977SVille Syrjälä case DRM_FORMAT_YVU420: 3042935b5977SVille Syrjälä case DRM_FORMAT_YUV422: 3043935b5977SVille Syrjälä case DRM_FORMAT_YVU422: 3044935b5977SVille Syrjälä case DRM_FORMAT_YUV444: 3045935b5977SVille Syrjälä case DRM_FORMAT_YVU444: 3046935b5977SVille Syrjälä return 0; 3047935b5977SVille Syrjälä default: 304823c453a4SVille Syrjälä DRM_DEBUG_KMS("invalid pixel format %s\n", 304923c453a4SVille Syrjälä drm_get_format_name(r->pixel_format)); 3050935b5977SVille Syrjälä return -EINVAL; 3051935b5977SVille Syrjälä } 3052935b5977SVille Syrjälä } 3053935b5977SVille Syrjälä 3054cff91b62SVille Syrjälä static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) 3055d1b45d5fSVille Syrjälä { 3056d1b45d5fSVille Syrjälä int ret, hsub, vsub, num_planes, i; 3057d1b45d5fSVille Syrjälä 3058d1b45d5fSVille Syrjälä ret = format_check(r); 3059d1b45d5fSVille Syrjälä if (ret) { 30606ba6d03eSVille Syrjälä DRM_DEBUG_KMS("bad framebuffer format %s\n", 30616ba6d03eSVille Syrjälä drm_get_format_name(r->pixel_format)); 3062d1b45d5fSVille Syrjälä return ret; 3063d1b45d5fSVille Syrjälä } 3064d1b45d5fSVille Syrjälä 3065d1b45d5fSVille Syrjälä hsub = drm_format_horz_chroma_subsampling(r->pixel_format); 3066d1b45d5fSVille Syrjälä vsub = drm_format_vert_chroma_subsampling(r->pixel_format); 3067d1b45d5fSVille Syrjälä num_planes = drm_format_num_planes(r->pixel_format); 3068d1b45d5fSVille Syrjälä 3069d1b45d5fSVille Syrjälä if (r->width == 0 || r->width % hsub) { 30701aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); 3071d1b45d5fSVille Syrjälä return -EINVAL; 3072d1b45d5fSVille Syrjälä } 3073d1b45d5fSVille Syrjälä 3074d1b45d5fSVille Syrjälä if (r->height == 0 || r->height % vsub) { 30751aa1b11cSDave Airlie DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); 3076d1b45d5fSVille Syrjälä return -EINVAL; 3077d1b45d5fSVille Syrjälä } 3078d1b45d5fSVille Syrjälä 3079d1b45d5fSVille Syrjälä for (i = 0; i < num_planes; i++) { 3080d1b45d5fSVille Syrjälä unsigned int width = r->width / (i != 0 ? hsub : 1); 3081b180b5d1SVille Syrjälä unsigned int height = r->height / (i != 0 ? vsub : 1); 3082b180b5d1SVille Syrjälä unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); 3083d1b45d5fSVille Syrjälä 3084d1b45d5fSVille Syrjälä if (!r->handles[i]) { 30851aa1b11cSDave Airlie DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); 3086d1b45d5fSVille Syrjälä return -EINVAL; 3087d1b45d5fSVille Syrjälä } 3088d1b45d5fSVille Syrjälä 3089b180b5d1SVille Syrjälä if ((uint64_t) width * cpp > UINT_MAX) 3090b180b5d1SVille Syrjälä return -ERANGE; 3091b180b5d1SVille Syrjälä 3092b180b5d1SVille Syrjälä if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) 3093b180b5d1SVille Syrjälä return -ERANGE; 3094b180b5d1SVille Syrjälä 3095b180b5d1SVille Syrjälä if (r->pitches[i] < width * cpp) { 30961aa1b11cSDave Airlie DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); 3097d1b45d5fSVille Syrjälä return -EINVAL; 3098d1b45d5fSVille Syrjälä } 3099d1b45d5fSVille Syrjälä } 3100d1b45d5fSVille Syrjälä 3101d1b45d5fSVille Syrjälä return 0; 3102d1b45d5fSVille Syrjälä } 3103d1b45d5fSVille Syrjälä 3104c394c2b0SMatt Roper static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev, 3105c394c2b0SMatt Roper struct drm_mode_fb_cmd2 *r, 3106c394c2b0SMatt Roper struct drm_file *file_priv) 3107c394c2b0SMatt Roper { 3108c394c2b0SMatt Roper struct drm_mode_config *config = &dev->mode_config; 3109c394c2b0SMatt Roper struct drm_framebuffer *fb; 3110c394c2b0SMatt Roper int ret; 3111c394c2b0SMatt Roper 3112c394c2b0SMatt Roper if (r->flags & ~DRM_MODE_FB_INTERLACED) { 3113c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); 3114c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3115c394c2b0SMatt Roper } 3116c394c2b0SMatt Roper 3117c394c2b0SMatt Roper if ((config->min_width > r->width) || (r->width > config->max_width)) { 3118c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", 3119c394c2b0SMatt Roper r->width, config->min_width, config->max_width); 3120c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3121c394c2b0SMatt Roper } 3122c394c2b0SMatt Roper if ((config->min_height > r->height) || (r->height > config->max_height)) { 3123c394c2b0SMatt Roper DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", 3124c394c2b0SMatt Roper r->height, config->min_height, config->max_height); 3125c394c2b0SMatt Roper return ERR_PTR(-EINVAL); 3126c394c2b0SMatt Roper } 3127c394c2b0SMatt Roper 3128c394c2b0SMatt Roper ret = framebuffer_check(r); 3129c394c2b0SMatt Roper if (ret) 3130c394c2b0SMatt Roper return ERR_PTR(ret); 3131c394c2b0SMatt Roper 3132c394c2b0SMatt Roper fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); 3133c394c2b0SMatt Roper if (IS_ERR(fb)) { 3134c394c2b0SMatt Roper DRM_DEBUG_KMS("could not create framebuffer\n"); 3135c394c2b0SMatt Roper return fb; 3136c394c2b0SMatt Roper } 3137c394c2b0SMatt Roper 3138c394c2b0SMatt Roper mutex_lock(&file_priv->fbs_lock); 3139c394c2b0SMatt Roper r->fb_id = fb->base.id; 3140c394c2b0SMatt Roper list_add(&fb->filp_head, &file_priv->fbs); 3141c394c2b0SMatt Roper DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); 3142c394c2b0SMatt Roper mutex_unlock(&file_priv->fbs_lock); 3143c394c2b0SMatt Roper 3144c394c2b0SMatt Roper return fb; 3145c394c2b0SMatt Roper } 3146c394c2b0SMatt Roper 3147308e5bcbSJesse Barnes /** 3148308e5bcbSJesse Barnes * drm_mode_addfb2 - add an FB to the graphics configuration 3149065a50edSDaniel Vetter * @dev: drm device for the ioctl 3150065a50edSDaniel Vetter * @data: data pointer for the ioctl 3151065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3152308e5bcbSJesse Barnes * 3153c8e32cc1SDaniel Vetter * Add a new FB to the specified CRTC, given a user request with format. This is 3154c8e32cc1SDaniel Vetter * the 2nd version of the addfb ioctl, which supports multi-planar framebuffers 3155c8e32cc1SDaniel Vetter * and uses fourcc codes as pixel format specifiers. 3156308e5bcbSJesse Barnes * 3157308e5bcbSJesse Barnes * Called by the user via ioctl. 3158308e5bcbSJesse Barnes * 3159c8e32cc1SDaniel Vetter * Returns: 3160308e5bcbSJesse Barnes * Zero on success, errno on failure. 3161308e5bcbSJesse Barnes */ 3162308e5bcbSJesse Barnes int drm_mode_addfb2(struct drm_device *dev, 3163308e5bcbSJesse Barnes void *data, struct drm_file *file_priv) 3164308e5bcbSJesse Barnes { 3165f453ba04SDave Airlie struct drm_framebuffer *fb; 3166f453ba04SDave Airlie 3167fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3168fb3b06c8SDave Airlie return -EINVAL; 3169fb3b06c8SDave Airlie 3170c394c2b0SMatt Roper fb = add_framebuffer_internal(dev, data, file_priv); 3171c394c2b0SMatt Roper if (IS_ERR(fb)) 31724b096ac1SDaniel Vetter return PTR_ERR(fb); 3173f453ba04SDave Airlie 3174c394c2b0SMatt Roper return 0; 3175f453ba04SDave Airlie } 3176f453ba04SDave Airlie 3177f453ba04SDave Airlie /** 3178f453ba04SDave Airlie * drm_mode_rmfb - remove an FB from the configuration 3179065a50edSDaniel Vetter * @dev: drm device for the ioctl 3180065a50edSDaniel Vetter * @data: data pointer for the ioctl 3181065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3182f453ba04SDave Airlie * 3183f453ba04SDave Airlie * Remove the FB specified by the user. 3184f453ba04SDave Airlie * 3185f453ba04SDave Airlie * Called by the user via ioctl. 3186f453ba04SDave Airlie * 3187c8e32cc1SDaniel Vetter * Returns: 3188f453ba04SDave Airlie * Zero on success, errno on failure. 3189f453ba04SDave Airlie */ 3190f453ba04SDave Airlie int drm_mode_rmfb(struct drm_device *dev, 3191f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3192f453ba04SDave Airlie { 3193f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 3194f453ba04SDave Airlie struct drm_framebuffer *fbl = NULL; 3195f453ba04SDave Airlie uint32_t *id = data; 3196f453ba04SDave Airlie int found = 0; 3197f453ba04SDave Airlie 3198fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3199fb3b06c8SDave Airlie return -EINVAL; 3200fb3b06c8SDave Airlie 32014b096ac1SDaniel Vetter mutex_lock(&file_priv->fbs_lock); 32022b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 32032b677e8cSDaniel Vetter fb = __drm_framebuffer_lookup(dev, *id); 32042b677e8cSDaniel Vetter if (!fb) 32052b677e8cSDaniel Vetter goto fail_lookup; 32062b677e8cSDaniel Vetter 3207f453ba04SDave Airlie list_for_each_entry(fbl, &file_priv->fbs, filp_head) 3208f453ba04SDave Airlie if (fb == fbl) 3209f453ba04SDave Airlie found = 1; 32102b677e8cSDaniel Vetter if (!found) 32112b677e8cSDaniel Vetter goto fail_lookup; 32122b677e8cSDaniel Vetter 32132b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 32142b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 3215f453ba04SDave Airlie 32164b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 32172b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 32184b096ac1SDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 3219f453ba04SDave Airlie 32204b096ac1SDaniel Vetter drm_framebuffer_remove(fb); 32214b096ac1SDaniel Vetter 32222b677e8cSDaniel Vetter return 0; 32232b677e8cSDaniel Vetter 32242b677e8cSDaniel Vetter fail_lookup: 32252b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 32262b677e8cSDaniel Vetter mutex_unlock(&file_priv->fbs_lock); 32272b677e8cSDaniel Vetter 322837c4e705SVille Syrjälä return -ENOENT; 3229f453ba04SDave Airlie } 3230f453ba04SDave Airlie 3231f453ba04SDave Airlie /** 3232f453ba04SDave Airlie * drm_mode_getfb - get FB info 3233065a50edSDaniel Vetter * @dev: drm device for the ioctl 3234065a50edSDaniel Vetter * @data: data pointer for the ioctl 3235065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 3236f453ba04SDave Airlie * 3237f453ba04SDave Airlie * Lookup the FB given its ID and return info about it. 3238f453ba04SDave Airlie * 3239f453ba04SDave Airlie * Called by the user via ioctl. 3240f453ba04SDave Airlie * 3241c8e32cc1SDaniel Vetter * Returns: 3242f453ba04SDave Airlie * Zero on success, errno on failure. 3243f453ba04SDave Airlie */ 3244f453ba04SDave Airlie int drm_mode_getfb(struct drm_device *dev, 3245f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3246f453ba04SDave Airlie { 3247f453ba04SDave Airlie struct drm_mode_fb_cmd *r = data; 3248f453ba04SDave Airlie struct drm_framebuffer *fb; 324958c0dca1SDaniel Vetter int ret; 3250f453ba04SDave Airlie 3251fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3252fb3b06c8SDave Airlie return -EINVAL; 3253fb3b06c8SDave Airlie 3254786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 325558c0dca1SDaniel Vetter if (!fb) 325637c4e705SVille Syrjälä return -ENOENT; 3257f453ba04SDave Airlie 3258f453ba04SDave Airlie r->height = fb->height; 3259f453ba04SDave Airlie r->width = fb->width; 3260f453ba04SDave Airlie r->depth = fb->depth; 3261f453ba04SDave Airlie r->bpp = fb->bits_per_pixel; 326201f2c773SVille Syrjälä r->pitch = fb->pitches[0]; 3263101b96f3SDavid Herrmann if (fb->funcs->create_handle) { 326409f308f7SThomas Hellstrom if (file_priv->is_master || capable(CAP_SYS_ADMIN) || 326543683057SThomas Hellstrom drm_is_control_client(file_priv)) { 3266101b96f3SDavid Herrmann ret = fb->funcs->create_handle(fb, file_priv, 3267101b96f3SDavid Herrmann &r->handle); 3268101b96f3SDavid Herrmann } else { 3269101b96f3SDavid Herrmann /* GET_FB() is an unprivileged ioctl so we must not 3270101b96f3SDavid Herrmann * return a buffer-handle to non-master processes! For 3271101b96f3SDavid Herrmann * backwards-compatibility reasons, we cannot make 3272101b96f3SDavid Herrmann * GET_FB() privileged, so just return an invalid handle 3273101b96f3SDavid Herrmann * for non-masters. */ 3274101b96f3SDavid Herrmann r->handle = 0; 3275101b96f3SDavid Herrmann ret = 0; 3276101b96f3SDavid Herrmann } 3277101b96f3SDavid Herrmann } else { 3278af26ef3bSDaniel Vetter ret = -ENODEV; 3279101b96f3SDavid Herrmann } 3280f453ba04SDave Airlie 328158c0dca1SDaniel Vetter drm_framebuffer_unreference(fb); 328258c0dca1SDaniel Vetter 3283f453ba04SDave Airlie return ret; 3284f453ba04SDave Airlie } 3285f453ba04SDave Airlie 3286c8e32cc1SDaniel Vetter /** 3287c8e32cc1SDaniel Vetter * drm_mode_dirtyfb_ioctl - flush frontbuffer rendering on an FB 3288c8e32cc1SDaniel Vetter * @dev: drm device for the ioctl 3289c8e32cc1SDaniel Vetter * @data: data pointer for the ioctl 3290c8e32cc1SDaniel Vetter * @file_priv: drm file for the ioctl call 3291c8e32cc1SDaniel Vetter * 3292c8e32cc1SDaniel Vetter * Lookup the FB and flush out the damaged area supplied by userspace as a clip 3293c8e32cc1SDaniel Vetter * rectangle list. Generic userspace which does frontbuffer rendering must call 3294c8e32cc1SDaniel Vetter * this ioctl to flush out the changes on manual-update display outputs, e.g. 3295c8e32cc1SDaniel Vetter * usb display-link, mipi manual update panels or edp panel self refresh modes. 3296c8e32cc1SDaniel Vetter * 3297c8e32cc1SDaniel Vetter * Modesetting drivers which always update the frontbuffer do not need to 3298c8e32cc1SDaniel Vetter * implement the corresponding ->dirty framebuffer callback. 3299c8e32cc1SDaniel Vetter * 3300c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3301c8e32cc1SDaniel Vetter * 3302c8e32cc1SDaniel Vetter * Returns: 3303c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 3304c8e32cc1SDaniel Vetter */ 3305884840aaSJakob Bornecrantz int drm_mode_dirtyfb_ioctl(struct drm_device *dev, 3306884840aaSJakob Bornecrantz void *data, struct drm_file *file_priv) 3307884840aaSJakob Bornecrantz { 3308884840aaSJakob Bornecrantz struct drm_clip_rect __user *clips_ptr; 3309884840aaSJakob Bornecrantz struct drm_clip_rect *clips = NULL; 3310884840aaSJakob Bornecrantz struct drm_mode_fb_dirty_cmd *r = data; 3311884840aaSJakob Bornecrantz struct drm_framebuffer *fb; 3312884840aaSJakob Bornecrantz unsigned flags; 3313884840aaSJakob Bornecrantz int num_clips; 33144a1b0714SLaurent Pinchart int ret; 3315884840aaSJakob Bornecrantz 3316fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3317fb3b06c8SDave Airlie return -EINVAL; 3318fb3b06c8SDave Airlie 3319786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, r->fb_id); 33204ccf097fSDaniel Vetter if (!fb) 332137c4e705SVille Syrjälä return -ENOENT; 3322884840aaSJakob Bornecrantz 3323884840aaSJakob Bornecrantz num_clips = r->num_clips; 332481f6c7f8SVille Syrjälä clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; 3325884840aaSJakob Bornecrantz 3326884840aaSJakob Bornecrantz if (!num_clips != !clips_ptr) { 3327884840aaSJakob Bornecrantz ret = -EINVAL; 3328884840aaSJakob Bornecrantz goto out_err1; 3329884840aaSJakob Bornecrantz } 3330884840aaSJakob Bornecrantz 3331884840aaSJakob Bornecrantz flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; 3332884840aaSJakob Bornecrantz 3333884840aaSJakob Bornecrantz /* If userspace annotates copy, clips must come in pairs */ 3334884840aaSJakob Bornecrantz if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { 3335884840aaSJakob Bornecrantz ret = -EINVAL; 3336884840aaSJakob Bornecrantz goto out_err1; 3337884840aaSJakob Bornecrantz } 3338884840aaSJakob Bornecrantz 3339884840aaSJakob Bornecrantz if (num_clips && clips_ptr) { 3340a5cd3351SXi Wang if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { 3341a5cd3351SXi Wang ret = -EINVAL; 3342a5cd3351SXi Wang goto out_err1; 3343a5cd3351SXi Wang } 3344884840aaSJakob Bornecrantz clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); 3345884840aaSJakob Bornecrantz if (!clips) { 3346884840aaSJakob Bornecrantz ret = -ENOMEM; 3347884840aaSJakob Bornecrantz goto out_err1; 3348884840aaSJakob Bornecrantz } 3349884840aaSJakob Bornecrantz 3350884840aaSJakob Bornecrantz ret = copy_from_user(clips, clips_ptr, 3351884840aaSJakob Bornecrantz num_clips * sizeof(*clips)); 3352e902a358SDan Carpenter if (ret) { 3353e902a358SDan Carpenter ret = -EFAULT; 3354884840aaSJakob Bornecrantz goto out_err2; 3355884840aaSJakob Bornecrantz } 3356e902a358SDan Carpenter } 3357884840aaSJakob Bornecrantz 3358884840aaSJakob Bornecrantz if (fb->funcs->dirty) { 335902b00162SThomas Hellstrom ret = fb->funcs->dirty(fb, file_priv, flags, r->color, 336002b00162SThomas Hellstrom clips, num_clips); 3361884840aaSJakob Bornecrantz } else { 3362884840aaSJakob Bornecrantz ret = -ENOSYS; 3363884840aaSJakob Bornecrantz } 3364884840aaSJakob Bornecrantz 3365884840aaSJakob Bornecrantz out_err2: 3366884840aaSJakob Bornecrantz kfree(clips); 3367884840aaSJakob Bornecrantz out_err1: 33684ccf097fSDaniel Vetter drm_framebuffer_unreference(fb); 33694ccf097fSDaniel Vetter 3370884840aaSJakob Bornecrantz return ret; 3371884840aaSJakob Bornecrantz } 3372884840aaSJakob Bornecrantz 3373884840aaSJakob Bornecrantz 3374f453ba04SDave Airlie /** 3375f453ba04SDave Airlie * drm_fb_release - remove and free the FBs on this file 3376065a50edSDaniel Vetter * @priv: drm file for the ioctl 3377f453ba04SDave Airlie * 3378f453ba04SDave Airlie * Destroy all the FBs associated with @filp. 3379f453ba04SDave Airlie * 3380f453ba04SDave Airlie * Called by the user via ioctl. 3381f453ba04SDave Airlie * 3382c8e32cc1SDaniel Vetter * Returns: 3383f453ba04SDave Airlie * Zero on success, errno on failure. 3384f453ba04SDave Airlie */ 3385ea39f835SKristian Høgsberg void drm_fb_release(struct drm_file *priv) 3386f453ba04SDave Airlie { 3387f453ba04SDave Airlie struct drm_device *dev = priv->minor->dev; 3388f453ba04SDave Airlie struct drm_framebuffer *fb, *tfb; 3389f453ba04SDave Airlie 33904b096ac1SDaniel Vetter mutex_lock(&priv->fbs_lock); 3391f453ba04SDave Airlie list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { 33922b677e8cSDaniel Vetter 33932b677e8cSDaniel Vetter mutex_lock(&dev->mode_config.fb_lock); 33942b677e8cSDaniel Vetter /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ 33952b677e8cSDaniel Vetter __drm_framebuffer_unregister(dev, fb); 33962b677e8cSDaniel Vetter mutex_unlock(&dev->mode_config.fb_lock); 33972b677e8cSDaniel Vetter 33984b096ac1SDaniel Vetter list_del_init(&fb->filp_head); 33992b677e8cSDaniel Vetter 34002b677e8cSDaniel Vetter /* This will also drop the fpriv->fbs reference. */ 3401f7eff60eSRob Clark drm_framebuffer_remove(fb); 3402f453ba04SDave Airlie } 34034b096ac1SDaniel Vetter mutex_unlock(&priv->fbs_lock); 3404f453ba04SDave Airlie } 3405f453ba04SDave Airlie 3406c8e32cc1SDaniel Vetter /** 3407c8e32cc1SDaniel Vetter * drm_property_create - create a new property type 3408c8e32cc1SDaniel Vetter * @dev: drm device 3409c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3410c8e32cc1SDaniel Vetter * @name: name of the property 3411c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3412c8e32cc1SDaniel Vetter * 3413c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3414c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3415c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3416c8e32cc1SDaniel Vetter * 3417c8e32cc1SDaniel Vetter * Returns: 3418c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3419c8e32cc1SDaniel Vetter */ 3420f453ba04SDave Airlie struct drm_property *drm_property_create(struct drm_device *dev, int flags, 3421f453ba04SDave Airlie const char *name, int num_values) 3422f453ba04SDave Airlie { 3423f453ba04SDave Airlie struct drm_property *property = NULL; 34246bfc56aaSVille Syrjälä int ret; 3425f453ba04SDave Airlie 3426f453ba04SDave Airlie property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); 3427f453ba04SDave Airlie if (!property) 3428f453ba04SDave Airlie return NULL; 3429f453ba04SDave Airlie 343098f75de4SRob Clark property->dev = dev; 343198f75de4SRob Clark 3432f453ba04SDave Airlie if (num_values) { 3433f453ba04SDave Airlie property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); 3434f453ba04SDave Airlie if (!property->values) 3435f453ba04SDave Airlie goto fail; 3436f453ba04SDave Airlie } 3437f453ba04SDave Airlie 34386bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); 34396bfc56aaSVille Syrjälä if (ret) 34406bfc56aaSVille Syrjälä goto fail; 34416bfc56aaSVille Syrjälä 3442f453ba04SDave Airlie property->flags = flags; 3443f453ba04SDave Airlie property->num_values = num_values; 3444f453ba04SDave Airlie INIT_LIST_HEAD(&property->enum_blob_list); 3445f453ba04SDave Airlie 3446471dd2efSVinson Lee if (name) { 3447f453ba04SDave Airlie strncpy(property->name, name, DRM_PROP_NAME_LEN); 3448471dd2efSVinson Lee property->name[DRM_PROP_NAME_LEN-1] = '\0'; 3449471dd2efSVinson Lee } 3450f453ba04SDave Airlie 3451f453ba04SDave Airlie list_add_tail(&property->head, &dev->mode_config.property_list); 34525ea22f24SRob Clark 34535ea22f24SRob Clark WARN_ON(!drm_property_type_valid(property)); 34545ea22f24SRob Clark 3455f453ba04SDave Airlie return property; 3456f453ba04SDave Airlie fail: 34576bfc56aaSVille Syrjälä kfree(property->values); 3458f453ba04SDave Airlie kfree(property); 3459f453ba04SDave Airlie return NULL; 3460f453ba04SDave Airlie } 3461f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_create); 3462f453ba04SDave Airlie 3463c8e32cc1SDaniel Vetter /** 34642aa9d2bcSThierry Reding * drm_property_create_enum - create a new enumeration property type 3465c8e32cc1SDaniel Vetter * @dev: drm device 3466c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3467c8e32cc1SDaniel Vetter * @name: name of the property 3468c8e32cc1SDaniel Vetter * @props: enumeration lists with property values 3469c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3470c8e32cc1SDaniel Vetter * 3471c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3472c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3473c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3474c8e32cc1SDaniel Vetter * 3475c8e32cc1SDaniel Vetter * Userspace is only allowed to set one of the predefined values for enumeration 3476c8e32cc1SDaniel Vetter * properties. 3477c8e32cc1SDaniel Vetter * 3478c8e32cc1SDaniel Vetter * Returns: 3479c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3480c8e32cc1SDaniel Vetter */ 34814a67d391SSascha Hauer struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 34824a67d391SSascha Hauer const char *name, 34834a67d391SSascha Hauer const struct drm_prop_enum_list *props, 34844a67d391SSascha Hauer int num_values) 34854a67d391SSascha Hauer { 34864a67d391SSascha Hauer struct drm_property *property; 34874a67d391SSascha Hauer int i, ret; 34884a67d391SSascha Hauer 34894a67d391SSascha Hauer flags |= DRM_MODE_PROP_ENUM; 34904a67d391SSascha Hauer 34914a67d391SSascha Hauer property = drm_property_create(dev, flags, name, num_values); 34924a67d391SSascha Hauer if (!property) 34934a67d391SSascha Hauer return NULL; 34944a67d391SSascha Hauer 34954a67d391SSascha Hauer for (i = 0; i < num_values; i++) { 34964a67d391SSascha Hauer ret = drm_property_add_enum(property, i, 34974a67d391SSascha Hauer props[i].type, 34984a67d391SSascha Hauer props[i].name); 34994a67d391SSascha Hauer if (ret) { 35004a67d391SSascha Hauer drm_property_destroy(dev, property); 35014a67d391SSascha Hauer return NULL; 35024a67d391SSascha Hauer } 35034a67d391SSascha Hauer } 35044a67d391SSascha Hauer 35054a67d391SSascha Hauer return property; 35064a67d391SSascha Hauer } 35074a67d391SSascha Hauer EXPORT_SYMBOL(drm_property_create_enum); 35084a67d391SSascha Hauer 3509c8e32cc1SDaniel Vetter /** 35102aa9d2bcSThierry Reding * drm_property_create_bitmask - create a new bitmask property type 3511c8e32cc1SDaniel Vetter * @dev: drm device 3512c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3513c8e32cc1SDaniel Vetter * @name: name of the property 3514c8e32cc1SDaniel Vetter * @props: enumeration lists with property bitflags 3515c8e32cc1SDaniel Vetter * @num_values: number of pre-defined values 3516c8e32cc1SDaniel Vetter * 3517c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3518c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3519c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3520c8e32cc1SDaniel Vetter * 3521c8e32cc1SDaniel Vetter * Compared to plain enumeration properties userspace is allowed to set any 3522c8e32cc1SDaniel Vetter * or'ed together combination of the predefined property bitflag values 3523c8e32cc1SDaniel Vetter * 3524c8e32cc1SDaniel Vetter * Returns: 3525c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3526c8e32cc1SDaniel Vetter */ 352749e27545SRob Clark struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 352849e27545SRob Clark int flags, const char *name, 352949e27545SRob Clark const struct drm_prop_enum_list *props, 35307689ffb3SVille Syrjälä int num_props, 35317689ffb3SVille Syrjälä uint64_t supported_bits) 353249e27545SRob Clark { 353349e27545SRob Clark struct drm_property *property; 35347689ffb3SVille Syrjälä int i, ret, index = 0; 35357689ffb3SVille Syrjälä int num_values = hweight64(supported_bits); 353649e27545SRob Clark 353749e27545SRob Clark flags |= DRM_MODE_PROP_BITMASK; 353849e27545SRob Clark 353949e27545SRob Clark property = drm_property_create(dev, flags, name, num_values); 354049e27545SRob Clark if (!property) 354149e27545SRob Clark return NULL; 35427689ffb3SVille Syrjälä for (i = 0; i < num_props; i++) { 35437689ffb3SVille Syrjälä if (!(supported_bits & (1ULL << props[i].type))) 35447689ffb3SVille Syrjälä continue; 354549e27545SRob Clark 35467689ffb3SVille Syrjälä if (WARN_ON(index >= num_values)) { 35477689ffb3SVille Syrjälä drm_property_destroy(dev, property); 35487689ffb3SVille Syrjälä return NULL; 35497689ffb3SVille Syrjälä } 35507689ffb3SVille Syrjälä 35517689ffb3SVille Syrjälä ret = drm_property_add_enum(property, index++, 355249e27545SRob Clark props[i].type, 355349e27545SRob Clark props[i].name); 355449e27545SRob Clark if (ret) { 355549e27545SRob Clark drm_property_destroy(dev, property); 355649e27545SRob Clark return NULL; 355749e27545SRob Clark } 355849e27545SRob Clark } 355949e27545SRob Clark 356049e27545SRob Clark return property; 356149e27545SRob Clark } 356249e27545SRob Clark EXPORT_SYMBOL(drm_property_create_bitmask); 356349e27545SRob Clark 3564ebc44cf3SRob Clark static struct drm_property *property_create_range(struct drm_device *dev, 3565ebc44cf3SRob Clark int flags, const char *name, 3566ebc44cf3SRob Clark uint64_t min, uint64_t max) 3567ebc44cf3SRob Clark { 3568ebc44cf3SRob Clark struct drm_property *property; 3569ebc44cf3SRob Clark 3570ebc44cf3SRob Clark property = drm_property_create(dev, flags, name, 2); 3571ebc44cf3SRob Clark if (!property) 3572ebc44cf3SRob Clark return NULL; 3573ebc44cf3SRob Clark 3574ebc44cf3SRob Clark property->values[0] = min; 3575ebc44cf3SRob Clark property->values[1] = max; 3576ebc44cf3SRob Clark 3577ebc44cf3SRob Clark return property; 3578ebc44cf3SRob Clark } 3579ebc44cf3SRob Clark 3580c8e32cc1SDaniel Vetter /** 35812aa9d2bcSThierry Reding * drm_property_create_range - create a new ranged property type 3582c8e32cc1SDaniel Vetter * @dev: drm device 3583c8e32cc1SDaniel Vetter * @flags: flags specifying the property type 3584c8e32cc1SDaniel Vetter * @name: name of the property 3585c8e32cc1SDaniel Vetter * @min: minimum value of the property 3586c8e32cc1SDaniel Vetter * @max: maximum value of the property 3587c8e32cc1SDaniel Vetter * 3588c8e32cc1SDaniel Vetter * This creates a new generic drm property which can then be attached to a drm 3589c8e32cc1SDaniel Vetter * object with drm_object_attach_property. The returned property object must be 3590c8e32cc1SDaniel Vetter * freed with drm_property_destroy. 3591c8e32cc1SDaniel Vetter * 3592c8e32cc1SDaniel Vetter * Userspace is allowed to set any interger value in the (min, max) range 3593c8e32cc1SDaniel Vetter * inclusive. 3594c8e32cc1SDaniel Vetter * 3595c8e32cc1SDaniel Vetter * Returns: 3596c8e32cc1SDaniel Vetter * A pointer to the newly created property on success, NULL on failure. 3597c8e32cc1SDaniel Vetter */ 3598d9bc3c02SSascha Hauer struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 3599d9bc3c02SSascha Hauer const char *name, 3600d9bc3c02SSascha Hauer uint64_t min, uint64_t max) 3601d9bc3c02SSascha Hauer { 3602ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_RANGE | flags, 3603ebc44cf3SRob Clark name, min, max); 3604d9bc3c02SSascha Hauer } 3605d9bc3c02SSascha Hauer EXPORT_SYMBOL(drm_property_create_range); 3606d9bc3c02SSascha Hauer 3607ebc44cf3SRob Clark struct drm_property *drm_property_create_signed_range(struct drm_device *dev, 3608ebc44cf3SRob Clark int flags, const char *name, 3609ebc44cf3SRob Clark int64_t min, int64_t max) 3610ebc44cf3SRob Clark { 3611ebc44cf3SRob Clark return property_create_range(dev, DRM_MODE_PROP_SIGNED_RANGE | flags, 3612ebc44cf3SRob Clark name, I642U64(min), I642U64(max)); 3613ebc44cf3SRob Clark } 3614ebc44cf3SRob Clark EXPORT_SYMBOL(drm_property_create_signed_range); 3615ebc44cf3SRob Clark 361698f75de4SRob Clark struct drm_property *drm_property_create_object(struct drm_device *dev, 361798f75de4SRob Clark int flags, const char *name, uint32_t type) 361898f75de4SRob Clark { 361998f75de4SRob Clark struct drm_property *property; 362098f75de4SRob Clark 362198f75de4SRob Clark flags |= DRM_MODE_PROP_OBJECT; 362298f75de4SRob Clark 362398f75de4SRob Clark property = drm_property_create(dev, flags, name, 1); 362498f75de4SRob Clark if (!property) 362598f75de4SRob Clark return NULL; 362698f75de4SRob Clark 362798f75de4SRob Clark property->values[0] = type; 362898f75de4SRob Clark 362998f75de4SRob Clark return property; 363098f75de4SRob Clark } 363198f75de4SRob Clark EXPORT_SYMBOL(drm_property_create_object); 363298f75de4SRob Clark 3633c8e32cc1SDaniel Vetter /** 3634c8e32cc1SDaniel Vetter * drm_property_add_enum - add a possible value to an enumeration property 3635c8e32cc1SDaniel Vetter * @property: enumeration property to change 3636c8e32cc1SDaniel Vetter * @index: index of the new enumeration 3637c8e32cc1SDaniel Vetter * @value: value of the new enumeration 3638c8e32cc1SDaniel Vetter * @name: symbolic name of the new enumeration 3639c8e32cc1SDaniel Vetter * 3640c8e32cc1SDaniel Vetter * This functions adds enumerations to a property. 3641c8e32cc1SDaniel Vetter * 3642c8e32cc1SDaniel Vetter * It's use is deprecated, drivers should use one of the more specific helpers 3643c8e32cc1SDaniel Vetter * to directly create the property with all enumerations already attached. 3644c8e32cc1SDaniel Vetter * 3645c8e32cc1SDaniel Vetter * Returns: 3646c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 3647c8e32cc1SDaniel Vetter */ 3648f453ba04SDave Airlie int drm_property_add_enum(struct drm_property *property, int index, 3649f453ba04SDave Airlie uint64_t value, const char *name) 3650f453ba04SDave Airlie { 3651f453ba04SDave Airlie struct drm_property_enum *prop_enum; 3652f453ba04SDave Airlie 36535ea22f24SRob Clark if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 36545ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK))) 365549e27545SRob Clark return -EINVAL; 365649e27545SRob Clark 365749e27545SRob Clark /* 365849e27545SRob Clark * Bitmask enum properties have the additional constraint of values 365949e27545SRob Clark * from 0 to 63 366049e27545SRob Clark */ 36615ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK) && 36625ea22f24SRob Clark (value > 63)) 3663f453ba04SDave Airlie return -EINVAL; 3664f453ba04SDave Airlie 3665f453ba04SDave Airlie if (!list_empty(&property->enum_blob_list)) { 3666f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 3667f453ba04SDave Airlie if (prop_enum->value == value) { 3668f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 3669f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 3670f453ba04SDave Airlie return 0; 3671f453ba04SDave Airlie } 3672f453ba04SDave Airlie } 3673f453ba04SDave Airlie } 3674f453ba04SDave Airlie 3675f453ba04SDave Airlie prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); 3676f453ba04SDave Airlie if (!prop_enum) 3677f453ba04SDave Airlie return -ENOMEM; 3678f453ba04SDave Airlie 3679f453ba04SDave Airlie strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); 3680f453ba04SDave Airlie prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; 3681f453ba04SDave Airlie prop_enum->value = value; 3682f453ba04SDave Airlie 3683f453ba04SDave Airlie property->values[index] = value; 3684f453ba04SDave Airlie list_add_tail(&prop_enum->head, &property->enum_blob_list); 3685f453ba04SDave Airlie return 0; 3686f453ba04SDave Airlie } 3687f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_add_enum); 3688f453ba04SDave Airlie 3689c8e32cc1SDaniel Vetter /** 3690c8e32cc1SDaniel Vetter * drm_property_destroy - destroy a drm property 3691c8e32cc1SDaniel Vetter * @dev: drm device 3692c8e32cc1SDaniel Vetter * @property: property to destry 3693c8e32cc1SDaniel Vetter * 3694c8e32cc1SDaniel Vetter * This function frees a property including any attached resources like 3695c8e32cc1SDaniel Vetter * enumeration values. 3696c8e32cc1SDaniel Vetter */ 3697f453ba04SDave Airlie void drm_property_destroy(struct drm_device *dev, struct drm_property *property) 3698f453ba04SDave Airlie { 3699f453ba04SDave Airlie struct drm_property_enum *prop_enum, *pt; 3700f453ba04SDave Airlie 3701f453ba04SDave Airlie list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { 3702f453ba04SDave Airlie list_del(&prop_enum->head); 3703f453ba04SDave Airlie kfree(prop_enum); 3704f453ba04SDave Airlie } 3705f453ba04SDave Airlie 3706f453ba04SDave Airlie if (property->num_values) 3707f453ba04SDave Airlie kfree(property->values); 3708f453ba04SDave Airlie drm_mode_object_put(dev, &property->base); 3709f453ba04SDave Airlie list_del(&property->head); 3710f453ba04SDave Airlie kfree(property); 3711f453ba04SDave Airlie } 3712f453ba04SDave Airlie EXPORT_SYMBOL(drm_property_destroy); 3713f453ba04SDave Airlie 3714c8e32cc1SDaniel Vetter /** 3715c8e32cc1SDaniel Vetter * drm_object_attach_property - attach a property to a modeset object 3716c8e32cc1SDaniel Vetter * @obj: drm modeset object 3717c8e32cc1SDaniel Vetter * @property: property to attach 3718c8e32cc1SDaniel Vetter * @init_val: initial value of the property 3719c8e32cc1SDaniel Vetter * 3720c8e32cc1SDaniel Vetter * This attaches the given property to the modeset object with the given initial 3721c8e32cc1SDaniel Vetter * value. Currently this function cannot fail since the properties are stored in 3722c8e32cc1SDaniel Vetter * a statically sized array. 3723c8e32cc1SDaniel Vetter */ 3724c543188aSPaulo Zanoni void drm_object_attach_property(struct drm_mode_object *obj, 3725c543188aSPaulo Zanoni struct drm_property *property, 3726c543188aSPaulo Zanoni uint64_t init_val) 3727c543188aSPaulo Zanoni { 37287f88a9beSPaulo Zanoni int count = obj->properties->count; 3729c543188aSPaulo Zanoni 37307f88a9beSPaulo Zanoni if (count == DRM_OBJECT_MAX_PROPERTY) { 37317f88a9beSPaulo Zanoni WARN(1, "Failed to attach object property (type: 0x%x). Please " 37327f88a9beSPaulo Zanoni "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " 37337f88a9beSPaulo Zanoni "you see this message on the same object type.\n", 37347f88a9beSPaulo Zanoni obj->type); 3735c543188aSPaulo Zanoni return; 3736c543188aSPaulo Zanoni } 3737c543188aSPaulo Zanoni 37387f88a9beSPaulo Zanoni obj->properties->ids[count] = property->base.id; 37397f88a9beSPaulo Zanoni obj->properties->values[count] = init_val; 37407f88a9beSPaulo Zanoni obj->properties->count++; 3741c543188aSPaulo Zanoni } 3742c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_attach_property); 3743c543188aSPaulo Zanoni 3744c8e32cc1SDaniel Vetter /** 3745c8e32cc1SDaniel Vetter * drm_object_property_set_value - set the value of a property 3746c8e32cc1SDaniel Vetter * @obj: drm mode object to set property value for 3747c8e32cc1SDaniel Vetter * @property: property to set 3748c8e32cc1SDaniel Vetter * @val: value the property should be set to 3749c8e32cc1SDaniel Vetter * 3750c8e32cc1SDaniel Vetter * This functions sets a given property on a given object. This function only 3751c8e32cc1SDaniel Vetter * changes the software state of the property, it does not call into the 3752c8e32cc1SDaniel Vetter * driver's ->set_property callback. 3753c8e32cc1SDaniel Vetter * 3754c8e32cc1SDaniel Vetter * Returns: 3755c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 3756c8e32cc1SDaniel Vetter */ 3757c543188aSPaulo Zanoni int drm_object_property_set_value(struct drm_mode_object *obj, 3758c543188aSPaulo Zanoni struct drm_property *property, uint64_t val) 3759c543188aSPaulo Zanoni { 3760c543188aSPaulo Zanoni int i; 3761c543188aSPaulo Zanoni 37627f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 3763c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 3764c543188aSPaulo Zanoni obj->properties->values[i] = val; 3765c543188aSPaulo Zanoni return 0; 3766c543188aSPaulo Zanoni } 3767c543188aSPaulo Zanoni } 3768c543188aSPaulo Zanoni 3769c543188aSPaulo Zanoni return -EINVAL; 3770c543188aSPaulo Zanoni } 3771c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_set_value); 3772c543188aSPaulo Zanoni 3773c8e32cc1SDaniel Vetter /** 3774c8e32cc1SDaniel Vetter * drm_object_property_get_value - retrieve the value of a property 3775c8e32cc1SDaniel Vetter * @obj: drm mode object to get property value from 3776c8e32cc1SDaniel Vetter * @property: property to retrieve 3777c8e32cc1SDaniel Vetter * @val: storage for the property value 3778c8e32cc1SDaniel Vetter * 3779c8e32cc1SDaniel Vetter * This function retrieves the softare state of the given property for the given 3780c8e32cc1SDaniel Vetter * property. Since there is no driver callback to retrieve the current property 3781c8e32cc1SDaniel Vetter * value this might be out of sync with the hardware, depending upon the driver 3782c8e32cc1SDaniel Vetter * and property. 3783c8e32cc1SDaniel Vetter * 3784c8e32cc1SDaniel Vetter * Returns: 3785c8e32cc1SDaniel Vetter * Zero on success, error code on failure. 3786c8e32cc1SDaniel Vetter */ 3787c543188aSPaulo Zanoni int drm_object_property_get_value(struct drm_mode_object *obj, 3788c543188aSPaulo Zanoni struct drm_property *property, uint64_t *val) 3789c543188aSPaulo Zanoni { 3790c543188aSPaulo Zanoni int i; 3791c543188aSPaulo Zanoni 37927f88a9beSPaulo Zanoni for (i = 0; i < obj->properties->count; i++) { 3793c543188aSPaulo Zanoni if (obj->properties->ids[i] == property->base.id) { 3794c543188aSPaulo Zanoni *val = obj->properties->values[i]; 3795c543188aSPaulo Zanoni return 0; 3796c543188aSPaulo Zanoni } 3797c543188aSPaulo Zanoni } 3798c543188aSPaulo Zanoni 3799c543188aSPaulo Zanoni return -EINVAL; 3800c543188aSPaulo Zanoni } 3801c543188aSPaulo Zanoni EXPORT_SYMBOL(drm_object_property_get_value); 3802c543188aSPaulo Zanoni 3803c8e32cc1SDaniel Vetter /** 3804c8e32cc1SDaniel Vetter * drm_mode_getproperty_ioctl - get the current value of a connector's property 3805c8e32cc1SDaniel Vetter * @dev: DRM device 3806c8e32cc1SDaniel Vetter * @data: ioctl data 3807c8e32cc1SDaniel Vetter * @file_priv: DRM file info 3808c8e32cc1SDaniel Vetter * 3809c8e32cc1SDaniel Vetter * This function retrieves the current value for an connectors's property. 3810c8e32cc1SDaniel Vetter * 3811c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3812c8e32cc1SDaniel Vetter * 3813c8e32cc1SDaniel Vetter * Returns: 3814c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 3815c8e32cc1SDaniel Vetter */ 3816f453ba04SDave Airlie int drm_mode_getproperty_ioctl(struct drm_device *dev, 3817f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3818f453ba04SDave Airlie { 3819f453ba04SDave Airlie struct drm_mode_get_property *out_resp = data; 3820f453ba04SDave Airlie struct drm_property *property; 3821f453ba04SDave Airlie int enum_count = 0; 3822f453ba04SDave Airlie int blob_count = 0; 3823f453ba04SDave Airlie int value_count = 0; 3824f453ba04SDave Airlie int ret = 0, i; 3825f453ba04SDave Airlie int copied; 3826f453ba04SDave Airlie struct drm_property_enum *prop_enum; 3827f453ba04SDave Airlie struct drm_mode_property_enum __user *enum_ptr; 3828f453ba04SDave Airlie struct drm_property_blob *prop_blob; 382981f6c7f8SVille Syrjälä uint32_t __user *blob_id_ptr; 3830f453ba04SDave Airlie uint64_t __user *values_ptr; 3831f453ba04SDave Airlie uint32_t __user *blob_length_ptr; 3832f453ba04SDave Airlie 3833fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3834fb3b06c8SDave Airlie return -EINVAL; 3835fb3b06c8SDave Airlie 383684849903SDaniel Vetter drm_modeset_lock_all(dev); 3837a2b34e22SRob Clark property = drm_property_find(dev, out_resp->prop_id); 3838a2b34e22SRob Clark if (!property) { 3839f27657f2SVille Syrjälä ret = -ENOENT; 3840f453ba04SDave Airlie goto done; 3841f453ba04SDave Airlie } 3842f453ba04SDave Airlie 38435ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 38445ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 3845f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) 3846f453ba04SDave Airlie enum_count++; 38475ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { 3848f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) 3849f453ba04SDave Airlie blob_count++; 3850f453ba04SDave Airlie } 3851f453ba04SDave Airlie 3852f453ba04SDave Airlie value_count = property->num_values; 3853f453ba04SDave Airlie 3854f453ba04SDave Airlie strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); 3855f453ba04SDave Airlie out_resp->name[DRM_PROP_NAME_LEN-1] = 0; 3856f453ba04SDave Airlie out_resp->flags = property->flags; 3857f453ba04SDave Airlie 3858f453ba04SDave Airlie if ((out_resp->count_values >= value_count) && value_count) { 385981f6c7f8SVille Syrjälä values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; 3860f453ba04SDave Airlie for (i = 0; i < value_count; i++) { 3861f453ba04SDave Airlie if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { 3862f453ba04SDave Airlie ret = -EFAULT; 3863f453ba04SDave Airlie goto done; 3864f453ba04SDave Airlie } 3865f453ba04SDave Airlie } 3866f453ba04SDave Airlie } 3867f453ba04SDave Airlie out_resp->count_values = value_count; 3868f453ba04SDave Airlie 38695ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_ENUM) || 38705ea22f24SRob Clark drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 3871f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { 3872f453ba04SDave Airlie copied = 0; 387381f6c7f8SVille Syrjälä enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; 3874f453ba04SDave Airlie list_for_each_entry(prop_enum, &property->enum_blob_list, head) { 3875f453ba04SDave Airlie 3876f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { 3877f453ba04SDave Airlie ret = -EFAULT; 3878f453ba04SDave Airlie goto done; 3879f453ba04SDave Airlie } 3880f453ba04SDave Airlie 3881f453ba04SDave Airlie if (copy_to_user(&enum_ptr[copied].name, 3882f453ba04SDave Airlie &prop_enum->name, DRM_PROP_NAME_LEN)) { 3883f453ba04SDave Airlie ret = -EFAULT; 3884f453ba04SDave Airlie goto done; 3885f453ba04SDave Airlie } 3886f453ba04SDave Airlie copied++; 3887f453ba04SDave Airlie } 3888f453ba04SDave Airlie } 3889f453ba04SDave Airlie out_resp->count_enum_blobs = enum_count; 3890f453ba04SDave Airlie } 3891f453ba04SDave Airlie 38925ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { 3893f453ba04SDave Airlie if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { 3894f453ba04SDave Airlie copied = 0; 389581f6c7f8SVille Syrjälä blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; 389681f6c7f8SVille Syrjälä blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; 3897f453ba04SDave Airlie 3898f453ba04SDave Airlie list_for_each_entry(prop_blob, &property->enum_blob_list, head) { 3899f453ba04SDave Airlie if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { 3900f453ba04SDave Airlie ret = -EFAULT; 3901f453ba04SDave Airlie goto done; 3902f453ba04SDave Airlie } 3903f453ba04SDave Airlie 3904f453ba04SDave Airlie if (put_user(prop_blob->length, blob_length_ptr + copied)) { 3905f453ba04SDave Airlie ret = -EFAULT; 3906f453ba04SDave Airlie goto done; 3907f453ba04SDave Airlie } 3908f453ba04SDave Airlie 3909f453ba04SDave Airlie copied++; 3910f453ba04SDave Airlie } 3911f453ba04SDave Airlie } 3912f453ba04SDave Airlie out_resp->count_enum_blobs = blob_count; 3913f453ba04SDave Airlie } 3914f453ba04SDave Airlie done: 391584849903SDaniel Vetter drm_modeset_unlock_all(dev); 3916f453ba04SDave Airlie return ret; 3917f453ba04SDave Airlie } 3918f453ba04SDave Airlie 3919f453ba04SDave Airlie static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, 3920f453ba04SDave Airlie void *data) 3921f453ba04SDave Airlie { 3922f453ba04SDave Airlie struct drm_property_blob *blob; 39236bfc56aaSVille Syrjälä int ret; 3924f453ba04SDave Airlie 3925f453ba04SDave Airlie if (!length || !data) 3926f453ba04SDave Airlie return NULL; 3927f453ba04SDave Airlie 3928f453ba04SDave Airlie blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); 3929f453ba04SDave Airlie if (!blob) 3930f453ba04SDave Airlie return NULL; 3931f453ba04SDave Airlie 39326bfc56aaSVille Syrjälä ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); 39336bfc56aaSVille Syrjälä if (ret) { 39346bfc56aaSVille Syrjälä kfree(blob); 39356bfc56aaSVille Syrjälä return NULL; 39366bfc56aaSVille Syrjälä } 39376bfc56aaSVille Syrjälä 3938f453ba04SDave Airlie blob->length = length; 3939f453ba04SDave Airlie 3940f453ba04SDave Airlie memcpy(blob->data, data, length); 3941f453ba04SDave Airlie 3942f453ba04SDave Airlie list_add_tail(&blob->head, &dev->mode_config.property_blob_list); 3943f453ba04SDave Airlie return blob; 3944f453ba04SDave Airlie } 3945f453ba04SDave Airlie 3946f453ba04SDave Airlie static void drm_property_destroy_blob(struct drm_device *dev, 3947f453ba04SDave Airlie struct drm_property_blob *blob) 3948f453ba04SDave Airlie { 3949f453ba04SDave Airlie drm_mode_object_put(dev, &blob->base); 3950f453ba04SDave Airlie list_del(&blob->head); 3951f453ba04SDave Airlie kfree(blob); 3952f453ba04SDave Airlie } 3953f453ba04SDave Airlie 3954c8e32cc1SDaniel Vetter /** 3955c8e32cc1SDaniel Vetter * drm_mode_getblob_ioctl - get the contents of a blob property value 3956c8e32cc1SDaniel Vetter * @dev: DRM device 3957c8e32cc1SDaniel Vetter * @data: ioctl data 3958c8e32cc1SDaniel Vetter * @file_priv: DRM file info 3959c8e32cc1SDaniel Vetter * 3960c8e32cc1SDaniel Vetter * This function retrieves the contents of a blob property. The value stored in 3961c8e32cc1SDaniel Vetter * an object's blob property is just a normal modeset object id. 3962c8e32cc1SDaniel Vetter * 3963c8e32cc1SDaniel Vetter * Called by the user via ioctl. 3964c8e32cc1SDaniel Vetter * 3965c8e32cc1SDaniel Vetter * Returns: 3966c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 3967c8e32cc1SDaniel Vetter */ 3968f453ba04SDave Airlie int drm_mode_getblob_ioctl(struct drm_device *dev, 3969f453ba04SDave Airlie void *data, struct drm_file *file_priv) 3970f453ba04SDave Airlie { 3971f453ba04SDave Airlie struct drm_mode_get_blob *out_resp = data; 3972f453ba04SDave Airlie struct drm_property_blob *blob; 3973f453ba04SDave Airlie int ret = 0; 397481f6c7f8SVille Syrjälä void __user *blob_ptr; 3975f453ba04SDave Airlie 3976fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 3977fb3b06c8SDave Airlie return -EINVAL; 3978fb3b06c8SDave Airlie 397984849903SDaniel Vetter drm_modeset_lock_all(dev); 3980a2b34e22SRob Clark blob = drm_property_blob_find(dev, out_resp->blob_id); 3981a2b34e22SRob Clark if (!blob) { 3982f27657f2SVille Syrjälä ret = -ENOENT; 3983f453ba04SDave Airlie goto done; 3984f453ba04SDave Airlie } 3985f453ba04SDave Airlie 3986f453ba04SDave Airlie if (out_resp->length == blob->length) { 398781f6c7f8SVille Syrjälä blob_ptr = (void __user *)(unsigned long)out_resp->data; 3988f453ba04SDave Airlie if (copy_to_user(blob_ptr, blob->data, blob->length)){ 3989f453ba04SDave Airlie ret = -EFAULT; 3990f453ba04SDave Airlie goto done; 3991f453ba04SDave Airlie } 3992f453ba04SDave Airlie } 3993f453ba04SDave Airlie out_resp->length = blob->length; 3994f453ba04SDave Airlie 3995f453ba04SDave Airlie done: 399684849903SDaniel Vetter drm_modeset_unlock_all(dev); 3997f453ba04SDave Airlie return ret; 3998f453ba04SDave Airlie } 3999f453ba04SDave Airlie 400043aba7ebSDave Airlie int drm_mode_connector_set_path_property(struct drm_connector *connector, 400143aba7ebSDave Airlie char *path) 400243aba7ebSDave Airlie { 400343aba7ebSDave Airlie struct drm_device *dev = connector->dev; 400443aba7ebSDave Airlie int ret, size; 400543aba7ebSDave Airlie size = strlen(path) + 1; 400643aba7ebSDave Airlie 400743aba7ebSDave Airlie connector->path_blob_ptr = drm_property_create_blob(connector->dev, 400843aba7ebSDave Airlie size, path); 400943aba7ebSDave Airlie if (!connector->path_blob_ptr) 401043aba7ebSDave Airlie return -EINVAL; 401143aba7ebSDave Airlie 401243aba7ebSDave Airlie ret = drm_object_property_set_value(&connector->base, 401343aba7ebSDave Airlie dev->mode_config.path_property, 401443aba7ebSDave Airlie connector->path_blob_ptr->base.id); 401543aba7ebSDave Airlie return ret; 401643aba7ebSDave Airlie } 401743aba7ebSDave Airlie EXPORT_SYMBOL(drm_mode_connector_set_path_property); 401843aba7ebSDave Airlie 4019c8e32cc1SDaniel Vetter /** 4020c8e32cc1SDaniel Vetter * drm_mode_connector_update_edid_property - update the edid property of a connector 4021c8e32cc1SDaniel Vetter * @connector: drm connector 4022c8e32cc1SDaniel Vetter * @edid: new value of the edid property 4023c8e32cc1SDaniel Vetter * 4024c8e32cc1SDaniel Vetter * This function creates a new blob modeset object and assigns its id to the 4025c8e32cc1SDaniel Vetter * connector's edid property. 4026c8e32cc1SDaniel Vetter * 4027c8e32cc1SDaniel Vetter * Returns: 4028c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4029c8e32cc1SDaniel Vetter */ 4030f453ba04SDave Airlie int drm_mode_connector_update_edid_property(struct drm_connector *connector, 4031f453ba04SDave Airlie struct edid *edid) 4032f453ba04SDave Airlie { 4033f453ba04SDave Airlie struct drm_device *dev = connector->dev; 40344a1b0714SLaurent Pinchart int ret, size; 4035f453ba04SDave Airlie 40364cf2b281SThomas Wood /* ignore requests to set edid when overridden */ 40374cf2b281SThomas Wood if (connector->override_edid) 40384cf2b281SThomas Wood return 0; 40394cf2b281SThomas Wood 4040f453ba04SDave Airlie if (connector->edid_blob_ptr) 4041f453ba04SDave Airlie drm_property_destroy_blob(dev, connector->edid_blob_ptr); 4042f453ba04SDave Airlie 4043f453ba04SDave Airlie /* Delete edid, when there is none. */ 4044f453ba04SDave Airlie if (!edid) { 4045f453ba04SDave Airlie connector->edid_blob_ptr = NULL; 404658495563SRob Clark ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); 4047f453ba04SDave Airlie return ret; 4048f453ba04SDave Airlie } 4049f453ba04SDave Airlie 40507466f4ccSAdam Jackson size = EDID_LENGTH * (1 + edid->extensions); 40517466f4ccSAdam Jackson connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 40527466f4ccSAdam Jackson size, edid); 4053e655d122SSachin Kamat if (!connector->edid_blob_ptr) 4054e655d122SSachin Kamat return -EINVAL; 4055f453ba04SDave Airlie 405658495563SRob Clark ret = drm_object_property_set_value(&connector->base, 4057f453ba04SDave Airlie dev->mode_config.edid_property, 4058f453ba04SDave Airlie connector->edid_blob_ptr->base.id); 4059f453ba04SDave Airlie 4060f453ba04SDave Airlie return ret; 4061f453ba04SDave Airlie } 4062f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_update_edid_property); 4063f453ba04SDave Airlie 406426a34815SPaulo Zanoni static bool drm_property_change_is_valid(struct drm_property *property, 4065592c20eeSVille Syrjälä uint64_t value) 406626a34815SPaulo Zanoni { 406726a34815SPaulo Zanoni if (property->flags & DRM_MODE_PROP_IMMUTABLE) 406826a34815SPaulo Zanoni return false; 40695ea22f24SRob Clark 40705ea22f24SRob Clark if (drm_property_type_is(property, DRM_MODE_PROP_RANGE)) { 407126a34815SPaulo Zanoni if (value < property->values[0] || value > property->values[1]) 407226a34815SPaulo Zanoni return false; 407326a34815SPaulo Zanoni return true; 4074ebc44cf3SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_SIGNED_RANGE)) { 4075ebc44cf3SRob Clark int64_t svalue = U642I64(value); 4076ebc44cf3SRob Clark if (svalue < U642I64(property->values[0]) || 4077ebc44cf3SRob Clark svalue > U642I64(property->values[1])) 4078ebc44cf3SRob Clark return false; 4079ebc44cf3SRob Clark return true; 40805ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BITMASK)) { 408149e27545SRob Clark int i; 4082592c20eeSVille Syrjälä uint64_t valid_mask = 0; 408349e27545SRob Clark for (i = 0; i < property->num_values; i++) 408449e27545SRob Clark valid_mask |= (1ULL << property->values[i]); 408549e27545SRob Clark return !(value & ~valid_mask); 40865ea22f24SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_BLOB)) { 4087c4a56750SVille Syrjälä /* Only the driver knows */ 4088c4a56750SVille Syrjälä return true; 408998f75de4SRob Clark } else if (drm_property_type_is(property, DRM_MODE_PROP_OBJECT)) { 409098f75de4SRob Clark struct drm_mode_object *obj; 409198f75de4SRob Clark /* a zero value for an object property translates to null: */ 409298f75de4SRob Clark if (value == 0) 409398f75de4SRob Clark return true; 409498f75de4SRob Clark /* 409598f75de4SRob Clark * NOTE: use _object_find() directly to bypass restriction on 409698f75de4SRob Clark * looking up refcnt'd objects (ie. fb's). For a refcnt'd 409798f75de4SRob Clark * object this could race against object finalization, so it 409898f75de4SRob Clark * simply tells us that the object *was* valid. Which is good 409998f75de4SRob Clark * enough. 410098f75de4SRob Clark */ 410198f75de4SRob Clark obj = _object_find(property->dev, value, property->values[0]); 410298f75de4SRob Clark return obj != NULL; 410326a34815SPaulo Zanoni } else { 410426a34815SPaulo Zanoni int i; 410526a34815SPaulo Zanoni for (i = 0; i < property->num_values; i++) 410626a34815SPaulo Zanoni if (property->values[i] == value) 410726a34815SPaulo Zanoni return true; 410826a34815SPaulo Zanoni return false; 410926a34815SPaulo Zanoni } 411026a34815SPaulo Zanoni } 411126a34815SPaulo Zanoni 4112c8e32cc1SDaniel Vetter /** 4113c8e32cc1SDaniel Vetter * drm_mode_connector_property_set_ioctl - set the current value of a connector property 4114c8e32cc1SDaniel Vetter * @dev: DRM device 4115c8e32cc1SDaniel Vetter * @data: ioctl data 4116c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4117c8e32cc1SDaniel Vetter * 4118c8e32cc1SDaniel Vetter * This function sets the current value for a connectors's property. It also 4119c8e32cc1SDaniel Vetter * calls into a driver's ->set_property callback to update the hardware state 4120c8e32cc1SDaniel Vetter * 4121c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4122c8e32cc1SDaniel Vetter * 4123c8e32cc1SDaniel Vetter * Returns: 4124c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4125c8e32cc1SDaniel Vetter */ 4126f453ba04SDave Airlie int drm_mode_connector_property_set_ioctl(struct drm_device *dev, 4127f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4128f453ba04SDave Airlie { 41290057d8ddSPaulo Zanoni struct drm_mode_connector_set_property *conn_set_prop = data; 41300057d8ddSPaulo Zanoni struct drm_mode_obj_set_property obj_set_prop = { 41310057d8ddSPaulo Zanoni .value = conn_set_prop->value, 41320057d8ddSPaulo Zanoni .prop_id = conn_set_prop->prop_id, 41330057d8ddSPaulo Zanoni .obj_id = conn_set_prop->connector_id, 41340057d8ddSPaulo Zanoni .obj_type = DRM_MODE_OBJECT_CONNECTOR 41350057d8ddSPaulo Zanoni }; 4136f453ba04SDave Airlie 41370057d8ddSPaulo Zanoni /* It does all the locking and checking we need */ 41380057d8ddSPaulo Zanoni return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); 4139f453ba04SDave Airlie } 4140f453ba04SDave Airlie 4141c543188aSPaulo Zanoni static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, 4142c543188aSPaulo Zanoni struct drm_property *property, 4143c543188aSPaulo Zanoni uint64_t value) 4144c543188aSPaulo Zanoni { 4145c543188aSPaulo Zanoni int ret = -EINVAL; 4146c543188aSPaulo Zanoni struct drm_connector *connector = obj_to_connector(obj); 4147c543188aSPaulo Zanoni 4148c543188aSPaulo Zanoni /* Do DPMS ourselves */ 4149c543188aSPaulo Zanoni if (property == connector->dev->mode_config.dpms_property) { 4150c543188aSPaulo Zanoni if (connector->funcs->dpms) 4151c543188aSPaulo Zanoni (*connector->funcs->dpms)(connector, (int)value); 4152c543188aSPaulo Zanoni ret = 0; 4153c543188aSPaulo Zanoni } else if (connector->funcs->set_property) 4154c543188aSPaulo Zanoni ret = connector->funcs->set_property(connector, property, value); 4155c543188aSPaulo Zanoni 4156c543188aSPaulo Zanoni /* store the property value if successful */ 4157c543188aSPaulo Zanoni if (!ret) 415858495563SRob Clark drm_object_property_set_value(&connector->base, property, value); 4159c543188aSPaulo Zanoni return ret; 4160c543188aSPaulo Zanoni } 4161c543188aSPaulo Zanoni 4162bffd9de0SPaulo Zanoni static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 4163bffd9de0SPaulo Zanoni struct drm_property *property, 4164bffd9de0SPaulo Zanoni uint64_t value) 4165bffd9de0SPaulo Zanoni { 4166bffd9de0SPaulo Zanoni int ret = -EINVAL; 4167bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 4168bffd9de0SPaulo Zanoni 4169bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 4170bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 4171bffd9de0SPaulo Zanoni if (!ret) 4172bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 4173bffd9de0SPaulo Zanoni 4174bffd9de0SPaulo Zanoni return ret; 4175bffd9de0SPaulo Zanoni } 4176bffd9de0SPaulo Zanoni 41774d93914aSRob Clark static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, 41784d93914aSRob Clark struct drm_property *property, 41794d93914aSRob Clark uint64_t value) 41804d93914aSRob Clark { 41814d93914aSRob Clark int ret = -EINVAL; 41824d93914aSRob Clark struct drm_plane *plane = obj_to_plane(obj); 41834d93914aSRob Clark 41844d93914aSRob Clark if (plane->funcs->set_property) 41854d93914aSRob Clark ret = plane->funcs->set_property(plane, property, value); 41864d93914aSRob Clark if (!ret) 41874d93914aSRob Clark drm_object_property_set_value(obj, property, value); 41884d93914aSRob Clark 41894d93914aSRob Clark return ret; 41904d93914aSRob Clark } 41914d93914aSRob Clark 4192c8e32cc1SDaniel Vetter /** 4193c8e32cc1SDaniel Vetter * drm_mode_getproperty_ioctl - get the current value of a object's property 4194c8e32cc1SDaniel Vetter * @dev: DRM device 4195c8e32cc1SDaniel Vetter * @data: ioctl data 4196c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4197c8e32cc1SDaniel Vetter * 4198c8e32cc1SDaniel Vetter * This function retrieves the current value for an object's property. Compared 4199c8e32cc1SDaniel Vetter * to the connector specific ioctl this one is extended to also work on crtc and 4200c8e32cc1SDaniel Vetter * plane objects. 4201c8e32cc1SDaniel Vetter * 4202c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4203c8e32cc1SDaniel Vetter * 4204c8e32cc1SDaniel Vetter * Returns: 4205c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4206c8e32cc1SDaniel Vetter */ 4207c543188aSPaulo Zanoni int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, 4208c543188aSPaulo Zanoni struct drm_file *file_priv) 4209c543188aSPaulo Zanoni { 4210c543188aSPaulo Zanoni struct drm_mode_obj_get_properties *arg = data; 4211c543188aSPaulo Zanoni struct drm_mode_object *obj; 4212c543188aSPaulo Zanoni int ret = 0; 4213c543188aSPaulo Zanoni int i; 4214c543188aSPaulo Zanoni int copied = 0; 4215c543188aSPaulo Zanoni int props_count = 0; 4216c543188aSPaulo Zanoni uint32_t __user *props_ptr; 4217c543188aSPaulo Zanoni uint64_t __user *prop_values_ptr; 4218c543188aSPaulo Zanoni 4219c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4220c543188aSPaulo Zanoni return -EINVAL; 4221c543188aSPaulo Zanoni 422284849903SDaniel Vetter drm_modeset_lock_all(dev); 4223c543188aSPaulo Zanoni 4224c543188aSPaulo Zanoni obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 4225c543188aSPaulo Zanoni if (!obj) { 4226f27657f2SVille Syrjälä ret = -ENOENT; 4227c543188aSPaulo Zanoni goto out; 4228c543188aSPaulo Zanoni } 4229c543188aSPaulo Zanoni if (!obj->properties) { 4230c543188aSPaulo Zanoni ret = -EINVAL; 4231c543188aSPaulo Zanoni goto out; 4232c543188aSPaulo Zanoni } 4233c543188aSPaulo Zanoni 42347f88a9beSPaulo Zanoni props_count = obj->properties->count; 4235c543188aSPaulo Zanoni 4236c543188aSPaulo Zanoni /* This ioctl is called twice, once to determine how much space is 4237c543188aSPaulo Zanoni * needed, and the 2nd time to fill it. */ 4238c543188aSPaulo Zanoni if ((arg->count_props >= props_count) && props_count) { 4239c543188aSPaulo Zanoni copied = 0; 4240c543188aSPaulo Zanoni props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); 4241c543188aSPaulo Zanoni prop_values_ptr = (uint64_t __user *)(unsigned long) 4242c543188aSPaulo Zanoni (arg->prop_values_ptr); 4243c543188aSPaulo Zanoni for (i = 0; i < props_count; i++) { 4244c543188aSPaulo Zanoni if (put_user(obj->properties->ids[i], 4245c543188aSPaulo Zanoni props_ptr + copied)) { 4246c543188aSPaulo Zanoni ret = -EFAULT; 4247c543188aSPaulo Zanoni goto out; 4248c543188aSPaulo Zanoni } 4249c543188aSPaulo Zanoni if (put_user(obj->properties->values[i], 4250c543188aSPaulo Zanoni prop_values_ptr + copied)) { 4251c543188aSPaulo Zanoni ret = -EFAULT; 4252c543188aSPaulo Zanoni goto out; 4253c543188aSPaulo Zanoni } 4254c543188aSPaulo Zanoni copied++; 4255c543188aSPaulo Zanoni } 4256c543188aSPaulo Zanoni } 4257c543188aSPaulo Zanoni arg->count_props = props_count; 4258c543188aSPaulo Zanoni out: 425984849903SDaniel Vetter drm_modeset_unlock_all(dev); 4260c543188aSPaulo Zanoni return ret; 4261c543188aSPaulo Zanoni } 4262c543188aSPaulo Zanoni 4263c8e32cc1SDaniel Vetter /** 4264c8e32cc1SDaniel Vetter * drm_mode_obj_set_property_ioctl - set the current value of an object's property 4265c8e32cc1SDaniel Vetter * @dev: DRM device 4266c8e32cc1SDaniel Vetter * @data: ioctl data 4267c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4268c8e32cc1SDaniel Vetter * 4269c8e32cc1SDaniel Vetter * This function sets the current value for an object's property. It also calls 4270c8e32cc1SDaniel Vetter * into a driver's ->set_property callback to update the hardware state. 4271c8e32cc1SDaniel Vetter * Compared to the connector specific ioctl this one is extended to also work on 4272c8e32cc1SDaniel Vetter * crtc and plane objects. 4273c8e32cc1SDaniel Vetter * 4274c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4275c8e32cc1SDaniel Vetter * 4276c8e32cc1SDaniel Vetter * Returns: 4277c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4278c8e32cc1SDaniel Vetter */ 4279c543188aSPaulo Zanoni int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, 4280c543188aSPaulo Zanoni struct drm_file *file_priv) 4281c543188aSPaulo Zanoni { 4282c543188aSPaulo Zanoni struct drm_mode_obj_set_property *arg = data; 4283c543188aSPaulo Zanoni struct drm_mode_object *arg_obj; 4284c543188aSPaulo Zanoni struct drm_mode_object *prop_obj; 4285c543188aSPaulo Zanoni struct drm_property *property; 4286c543188aSPaulo Zanoni int ret = -EINVAL; 4287c543188aSPaulo Zanoni int i; 4288c543188aSPaulo Zanoni 4289c543188aSPaulo Zanoni if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4290c543188aSPaulo Zanoni return -EINVAL; 4291c543188aSPaulo Zanoni 429284849903SDaniel Vetter drm_modeset_lock_all(dev); 4293c543188aSPaulo Zanoni 4294c543188aSPaulo Zanoni arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); 4295f27657f2SVille Syrjälä if (!arg_obj) { 4296f27657f2SVille Syrjälä ret = -ENOENT; 4297c543188aSPaulo Zanoni goto out; 4298f27657f2SVille Syrjälä } 4299c543188aSPaulo Zanoni if (!arg_obj->properties) 4300c543188aSPaulo Zanoni goto out; 4301c543188aSPaulo Zanoni 43027f88a9beSPaulo Zanoni for (i = 0; i < arg_obj->properties->count; i++) 4303c543188aSPaulo Zanoni if (arg_obj->properties->ids[i] == arg->prop_id) 4304c543188aSPaulo Zanoni break; 4305c543188aSPaulo Zanoni 43067f88a9beSPaulo Zanoni if (i == arg_obj->properties->count) 4307c543188aSPaulo Zanoni goto out; 4308c543188aSPaulo Zanoni 4309c543188aSPaulo Zanoni prop_obj = drm_mode_object_find(dev, arg->prop_id, 4310c543188aSPaulo Zanoni DRM_MODE_OBJECT_PROPERTY); 4311f27657f2SVille Syrjälä if (!prop_obj) { 4312f27657f2SVille Syrjälä ret = -ENOENT; 4313c543188aSPaulo Zanoni goto out; 4314f27657f2SVille Syrjälä } 4315c543188aSPaulo Zanoni property = obj_to_property(prop_obj); 4316c543188aSPaulo Zanoni 4317c543188aSPaulo Zanoni if (!drm_property_change_is_valid(property, arg->value)) 4318c543188aSPaulo Zanoni goto out; 4319c543188aSPaulo Zanoni 4320c543188aSPaulo Zanoni switch (arg_obj->type) { 4321c543188aSPaulo Zanoni case DRM_MODE_OBJECT_CONNECTOR: 4322c543188aSPaulo Zanoni ret = drm_mode_connector_set_obj_prop(arg_obj, property, 4323c543188aSPaulo Zanoni arg->value); 4324c543188aSPaulo Zanoni break; 4325bffd9de0SPaulo Zanoni case DRM_MODE_OBJECT_CRTC: 4326bffd9de0SPaulo Zanoni ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); 4327bffd9de0SPaulo Zanoni break; 43284d93914aSRob Clark case DRM_MODE_OBJECT_PLANE: 43294d93914aSRob Clark ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); 43304d93914aSRob Clark break; 4331c543188aSPaulo Zanoni } 4332c543188aSPaulo Zanoni 4333c543188aSPaulo Zanoni out: 433484849903SDaniel Vetter drm_modeset_unlock_all(dev); 4335c543188aSPaulo Zanoni return ret; 4336c543188aSPaulo Zanoni } 4337c543188aSPaulo Zanoni 4338c8e32cc1SDaniel Vetter /** 4339c8e32cc1SDaniel Vetter * drm_mode_connector_attach_encoder - attach a connector to an encoder 4340c8e32cc1SDaniel Vetter * @connector: connector to attach 4341c8e32cc1SDaniel Vetter * @encoder: encoder to attach @connector to 4342c8e32cc1SDaniel Vetter * 4343c8e32cc1SDaniel Vetter * This function links up a connector to an encoder. Note that the routing 4344c8e32cc1SDaniel Vetter * restrictions between encoders and crtcs are exposed to userspace through the 4345c8e32cc1SDaniel Vetter * possible_clones and possible_crtcs bitmasks. 4346c8e32cc1SDaniel Vetter * 4347c8e32cc1SDaniel Vetter * Returns: 4348c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4349c8e32cc1SDaniel Vetter */ 4350f453ba04SDave Airlie int drm_mode_connector_attach_encoder(struct drm_connector *connector, 4351f453ba04SDave Airlie struct drm_encoder *encoder) 4352f453ba04SDave Airlie { 4353f453ba04SDave Airlie int i; 4354f453ba04SDave Airlie 4355f453ba04SDave Airlie for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 4356f453ba04SDave Airlie if (connector->encoder_ids[i] == 0) { 4357f453ba04SDave Airlie connector->encoder_ids[i] = encoder->base.id; 4358f453ba04SDave Airlie return 0; 4359f453ba04SDave Airlie } 4360f453ba04SDave Airlie } 4361f453ba04SDave Airlie return -ENOMEM; 4362f453ba04SDave Airlie } 4363f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_connector_attach_encoder); 4364f453ba04SDave Airlie 4365c8e32cc1SDaniel Vetter /** 4366c8e32cc1SDaniel Vetter * drm_mode_crtc_set_gamma_size - set the gamma table size 4367c8e32cc1SDaniel Vetter * @crtc: CRTC to set the gamma table size for 4368c8e32cc1SDaniel Vetter * @gamma_size: size of the gamma table 4369c8e32cc1SDaniel Vetter * 4370c8e32cc1SDaniel Vetter * Drivers which support gamma tables should set this to the supported gamma 4371c8e32cc1SDaniel Vetter * table size when initializing the CRTC. Currently the drm core only supports a 4372c8e32cc1SDaniel Vetter * fixed gamma table size. 4373c8e32cc1SDaniel Vetter * 4374c8e32cc1SDaniel Vetter * Returns: 4375c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4376c8e32cc1SDaniel Vetter */ 43774cae5b84SSascha Hauer int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, 4378f453ba04SDave Airlie int gamma_size) 4379f453ba04SDave Airlie { 4380f453ba04SDave Airlie crtc->gamma_size = gamma_size; 4381f453ba04SDave Airlie 4382f453ba04SDave Airlie crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); 4383f453ba04SDave Airlie if (!crtc->gamma_store) { 4384f453ba04SDave Airlie crtc->gamma_size = 0; 43854cae5b84SSascha Hauer return -ENOMEM; 4386f453ba04SDave Airlie } 4387f453ba04SDave Airlie 43884cae5b84SSascha Hauer return 0; 4389f453ba04SDave Airlie } 4390f453ba04SDave Airlie EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); 4391f453ba04SDave Airlie 4392c8e32cc1SDaniel Vetter /** 4393c8e32cc1SDaniel Vetter * drm_mode_gamma_set_ioctl - set the gamma table 4394c8e32cc1SDaniel Vetter * @dev: DRM device 4395c8e32cc1SDaniel Vetter * @data: ioctl data 4396c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4397c8e32cc1SDaniel Vetter * 4398c8e32cc1SDaniel Vetter * Set the gamma table of a CRTC to the one passed in by the user. Userspace can 4399c8e32cc1SDaniel Vetter * inquire the required gamma table size through drm_mode_gamma_get_ioctl. 4400c8e32cc1SDaniel Vetter * 4401c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4402c8e32cc1SDaniel Vetter * 4403c8e32cc1SDaniel Vetter * Returns: 4404c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4405c8e32cc1SDaniel Vetter */ 4406f453ba04SDave Airlie int drm_mode_gamma_set_ioctl(struct drm_device *dev, 4407f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4408f453ba04SDave Airlie { 4409f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 4410f453ba04SDave Airlie struct drm_crtc *crtc; 4411f453ba04SDave Airlie void *r_base, *g_base, *b_base; 4412f453ba04SDave Airlie int size; 4413f453ba04SDave Airlie int ret = 0; 4414f453ba04SDave Airlie 4415fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4416fb3b06c8SDave Airlie return -EINVAL; 4417fb3b06c8SDave Airlie 441884849903SDaniel Vetter drm_modeset_lock_all(dev); 4419a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 4420a2b34e22SRob Clark if (!crtc) { 4421f27657f2SVille Syrjälä ret = -ENOENT; 4422f453ba04SDave Airlie goto out; 4423f453ba04SDave Airlie } 4424f453ba04SDave Airlie 4425ebe0f244SLaurent Pinchart if (crtc->funcs->gamma_set == NULL) { 4426ebe0f244SLaurent Pinchart ret = -ENOSYS; 4427ebe0f244SLaurent Pinchart goto out; 4428ebe0f244SLaurent Pinchart } 4429ebe0f244SLaurent Pinchart 4430f453ba04SDave Airlie /* memcpy into gamma store */ 4431f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 4432f453ba04SDave Airlie ret = -EINVAL; 4433f453ba04SDave Airlie goto out; 4434f453ba04SDave Airlie } 4435f453ba04SDave Airlie 4436f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 4437f453ba04SDave Airlie r_base = crtc->gamma_store; 4438f453ba04SDave Airlie if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { 4439f453ba04SDave Airlie ret = -EFAULT; 4440f453ba04SDave Airlie goto out; 4441f453ba04SDave Airlie } 4442f453ba04SDave Airlie 4443f453ba04SDave Airlie g_base = r_base + size; 4444f453ba04SDave Airlie if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { 4445f453ba04SDave Airlie ret = -EFAULT; 4446f453ba04SDave Airlie goto out; 4447f453ba04SDave Airlie } 4448f453ba04SDave Airlie 4449f453ba04SDave Airlie b_base = g_base + size; 4450f453ba04SDave Airlie if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { 4451f453ba04SDave Airlie ret = -EFAULT; 4452f453ba04SDave Airlie goto out; 4453f453ba04SDave Airlie } 4454f453ba04SDave Airlie 44557203425aSJames Simmons crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); 4456f453ba04SDave Airlie 4457f453ba04SDave Airlie out: 445884849903SDaniel Vetter drm_modeset_unlock_all(dev); 4459f453ba04SDave Airlie return ret; 4460f453ba04SDave Airlie 4461f453ba04SDave Airlie } 4462f453ba04SDave Airlie 4463c8e32cc1SDaniel Vetter /** 4464c8e32cc1SDaniel Vetter * drm_mode_gamma_get_ioctl - get the gamma table 4465c8e32cc1SDaniel Vetter * @dev: DRM device 4466c8e32cc1SDaniel Vetter * @data: ioctl data 4467c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4468c8e32cc1SDaniel Vetter * 4469c8e32cc1SDaniel Vetter * Copy the current gamma table into the storage provided. This also provides 4470c8e32cc1SDaniel Vetter * the gamma table size the driver expects, which can be used to size the 4471c8e32cc1SDaniel Vetter * allocated storage. 4472c8e32cc1SDaniel Vetter * 4473c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4474c8e32cc1SDaniel Vetter * 4475c8e32cc1SDaniel Vetter * Returns: 4476c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4477c8e32cc1SDaniel Vetter */ 4478f453ba04SDave Airlie int drm_mode_gamma_get_ioctl(struct drm_device *dev, 4479f453ba04SDave Airlie void *data, struct drm_file *file_priv) 4480f453ba04SDave Airlie { 4481f453ba04SDave Airlie struct drm_mode_crtc_lut *crtc_lut = data; 4482f453ba04SDave Airlie struct drm_crtc *crtc; 4483f453ba04SDave Airlie void *r_base, *g_base, *b_base; 4484f453ba04SDave Airlie int size; 4485f453ba04SDave Airlie int ret = 0; 4486f453ba04SDave Airlie 4487fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 4488fb3b06c8SDave Airlie return -EINVAL; 4489fb3b06c8SDave Airlie 449084849903SDaniel Vetter drm_modeset_lock_all(dev); 4491a2b34e22SRob Clark crtc = drm_crtc_find(dev, crtc_lut->crtc_id); 4492a2b34e22SRob Clark if (!crtc) { 4493f27657f2SVille Syrjälä ret = -ENOENT; 4494f453ba04SDave Airlie goto out; 4495f453ba04SDave Airlie } 4496f453ba04SDave Airlie 4497f453ba04SDave Airlie /* memcpy into gamma store */ 4498f453ba04SDave Airlie if (crtc_lut->gamma_size != crtc->gamma_size) { 4499f453ba04SDave Airlie ret = -EINVAL; 4500f453ba04SDave Airlie goto out; 4501f453ba04SDave Airlie } 4502f453ba04SDave Airlie 4503f453ba04SDave Airlie size = crtc_lut->gamma_size * (sizeof(uint16_t)); 4504f453ba04SDave Airlie r_base = crtc->gamma_store; 4505f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { 4506f453ba04SDave Airlie ret = -EFAULT; 4507f453ba04SDave Airlie goto out; 4508f453ba04SDave Airlie } 4509f453ba04SDave Airlie 4510f453ba04SDave Airlie g_base = r_base + size; 4511f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { 4512f453ba04SDave Airlie ret = -EFAULT; 4513f453ba04SDave Airlie goto out; 4514f453ba04SDave Airlie } 4515f453ba04SDave Airlie 4516f453ba04SDave Airlie b_base = g_base + size; 4517f453ba04SDave Airlie if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { 4518f453ba04SDave Airlie ret = -EFAULT; 4519f453ba04SDave Airlie goto out; 4520f453ba04SDave Airlie } 4521f453ba04SDave Airlie out: 452284849903SDaniel Vetter drm_modeset_unlock_all(dev); 4523f453ba04SDave Airlie return ret; 4524f453ba04SDave Airlie } 4525d91d8a3fSKristian Høgsberg 4526c8e32cc1SDaniel Vetter /** 4527c8e32cc1SDaniel Vetter * drm_mode_page_flip_ioctl - schedule an asynchronous fb update 4528c8e32cc1SDaniel Vetter * @dev: DRM device 4529c8e32cc1SDaniel Vetter * @data: ioctl data 4530c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4531c8e32cc1SDaniel Vetter * 4532c8e32cc1SDaniel Vetter * This schedules an asynchronous update on a given CRTC, called page flip. 4533c8e32cc1SDaniel Vetter * Optionally a drm event is generated to signal the completion of the event. 4534c8e32cc1SDaniel Vetter * Generic drivers cannot assume that a pageflip with changed framebuffer 4535c8e32cc1SDaniel Vetter * properties (including driver specific metadata like tiling layout) will work, 4536c8e32cc1SDaniel Vetter * but some drivers support e.g. pixel format changes through the pageflip 4537c8e32cc1SDaniel Vetter * ioctl. 4538c8e32cc1SDaniel Vetter * 4539c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4540c8e32cc1SDaniel Vetter * 4541c8e32cc1SDaniel Vetter * Returns: 4542c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4543c8e32cc1SDaniel Vetter */ 4544d91d8a3fSKristian Høgsberg int drm_mode_page_flip_ioctl(struct drm_device *dev, 4545d91d8a3fSKristian Høgsberg void *data, struct drm_file *file_priv) 4546d91d8a3fSKristian Høgsberg { 4547d91d8a3fSKristian Høgsberg struct drm_mode_crtc_page_flip *page_flip = data; 4548d91d8a3fSKristian Høgsberg struct drm_crtc *crtc; 45493d30a59bSDaniel Vetter struct drm_framebuffer *fb = NULL; 4550d91d8a3fSKristian Høgsberg struct drm_pending_vblank_event *e = NULL; 4551d91d8a3fSKristian Høgsberg unsigned long flags; 4552d91d8a3fSKristian Høgsberg int ret = -EINVAL; 4553d91d8a3fSKristian Høgsberg 4554d91d8a3fSKristian Høgsberg if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || 4555d91d8a3fSKristian Høgsberg page_flip->reserved != 0) 4556d91d8a3fSKristian Høgsberg return -EINVAL; 4557d91d8a3fSKristian Høgsberg 455862f2104fSKeith Packard if ((page_flip->flags & DRM_MODE_PAGE_FLIP_ASYNC) && !dev->mode_config.async_page_flip) 455962f2104fSKeith Packard return -EINVAL; 456062f2104fSKeith Packard 4561a2b34e22SRob Clark crtc = drm_crtc_find(dev, page_flip->crtc_id); 4562a2b34e22SRob Clark if (!crtc) 4563f27657f2SVille Syrjälä return -ENOENT; 4564d91d8a3fSKristian Høgsberg 4565d059f652SDaniel Vetter drm_modeset_lock_crtc(crtc); 4566f4510a27SMatt Roper if (crtc->primary->fb == NULL) { 456790c1efddSChris Wilson /* The framebuffer is currently unbound, presumably 456890c1efddSChris Wilson * due to a hotplug event, that userspace has not 456990c1efddSChris Wilson * yet discovered. 457090c1efddSChris Wilson */ 457190c1efddSChris Wilson ret = -EBUSY; 457290c1efddSChris Wilson goto out; 457390c1efddSChris Wilson } 457490c1efddSChris Wilson 4575d91d8a3fSKristian Høgsberg if (crtc->funcs->page_flip == NULL) 4576d91d8a3fSKristian Høgsberg goto out; 4577d91d8a3fSKristian Høgsberg 4578786b99edSDaniel Vetter fb = drm_framebuffer_lookup(dev, page_flip->fb_id); 457937c4e705SVille Syrjälä if (!fb) { 458037c4e705SVille Syrjälä ret = -ENOENT; 4581d91d8a3fSKristian Høgsberg goto out; 458237c4e705SVille Syrjälä } 4583d91d8a3fSKristian Høgsberg 4584c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb); 4585c11e9283SDamien Lespiau if (ret) 45865f61bb42SVille Syrjälä goto out; 45875f61bb42SVille Syrjälä 4588f4510a27SMatt Roper if (crtc->primary->fb->pixel_format != fb->pixel_format) { 4589909d9cdaSLaurent Pinchart DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); 4590909d9cdaSLaurent Pinchart ret = -EINVAL; 4591909d9cdaSLaurent Pinchart goto out; 4592909d9cdaSLaurent Pinchart } 4593909d9cdaSLaurent Pinchart 4594d91d8a3fSKristian Høgsberg if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 4595d91d8a3fSKristian Høgsberg ret = -ENOMEM; 4596d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 4597d91d8a3fSKristian Høgsberg if (file_priv->event_space < sizeof e->event) { 4598d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4599d91d8a3fSKristian Høgsberg goto out; 4600d91d8a3fSKristian Høgsberg } 4601d91d8a3fSKristian Høgsberg file_priv->event_space -= sizeof e->event; 4602d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4603d91d8a3fSKristian Høgsberg 4604d91d8a3fSKristian Høgsberg e = kzalloc(sizeof *e, GFP_KERNEL); 4605d91d8a3fSKristian Høgsberg if (e == NULL) { 4606d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 4607d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 4608d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4609d91d8a3fSKristian Høgsberg goto out; 4610d91d8a3fSKristian Høgsberg } 4611d91d8a3fSKristian Høgsberg 46127bd4d7beSJesse Barnes e->event.base.type = DRM_EVENT_FLIP_COMPLETE; 4613d91d8a3fSKristian Høgsberg e->event.base.length = sizeof e->event; 4614d91d8a3fSKristian Høgsberg e->event.user_data = page_flip->user_data; 4615d91d8a3fSKristian Høgsberg e->base.event = &e->event.base; 4616d91d8a3fSKristian Høgsberg e->base.file_priv = file_priv; 4617d91d8a3fSKristian Høgsberg e->base.destroy = 4618d91d8a3fSKristian Høgsberg (void (*) (struct drm_pending_event *)) kfree; 4619d91d8a3fSKristian Høgsberg } 4620d91d8a3fSKristian Høgsberg 46213d30a59bSDaniel Vetter crtc->primary->old_fb = crtc->primary->fb; 4622ed8d1975SKeith Packard ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags); 4623d91d8a3fSKristian Høgsberg if (ret) { 4624aef6a7eeSJoonyoung Shim if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { 4625d91d8a3fSKristian Høgsberg spin_lock_irqsave(&dev->event_lock, flags); 4626d91d8a3fSKristian Høgsberg file_priv->event_space += sizeof e->event; 4627d91d8a3fSKristian Høgsberg spin_unlock_irqrestore(&dev->event_lock, flags); 4628d91d8a3fSKristian Høgsberg kfree(e); 4629d91d8a3fSKristian Høgsberg } 4630b0d12325SDaniel Vetter /* Keep the old fb, don't unref it. */ 46313d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 4632b0d12325SDaniel Vetter } else { 46338cf1e981SThierry Reding /* 46348cf1e981SThierry Reding * Warn if the driver hasn't properly updated the crtc->fb 46358cf1e981SThierry Reding * field to reflect that the new framebuffer is now used. 46368cf1e981SThierry Reding * Failing to do so will screw with the reference counting 46378cf1e981SThierry Reding * on framebuffers. 46388cf1e981SThierry Reding */ 4639f4510a27SMatt Roper WARN_ON(crtc->primary->fb != fb); 4640b0d12325SDaniel Vetter /* Unref only the old framebuffer. */ 4641b0d12325SDaniel Vetter fb = NULL; 4642aef6a7eeSJoonyoung Shim } 4643d91d8a3fSKristian Høgsberg 4644d91d8a3fSKristian Høgsberg out: 4645b0d12325SDaniel Vetter if (fb) 4646b0d12325SDaniel Vetter drm_framebuffer_unreference(fb); 46473d30a59bSDaniel Vetter if (crtc->primary->old_fb) 46483d30a59bSDaniel Vetter drm_framebuffer_unreference(crtc->primary->old_fb); 46493d30a59bSDaniel Vetter crtc->primary->old_fb = NULL; 4650d059f652SDaniel Vetter drm_modeset_unlock_crtc(crtc); 4651b4d5e7d1SDaniel Vetter 4652d91d8a3fSKristian Høgsberg return ret; 4653d91d8a3fSKristian Høgsberg } 4654eb033556SChris Wilson 4655c8e32cc1SDaniel Vetter /** 4656c8e32cc1SDaniel Vetter * drm_mode_config_reset - call ->reset callbacks 4657c8e32cc1SDaniel Vetter * @dev: drm device 4658c8e32cc1SDaniel Vetter * 4659c8e32cc1SDaniel Vetter * This functions calls all the crtc's, encoder's and connector's ->reset 4660c8e32cc1SDaniel Vetter * callback. Drivers can use this in e.g. their driver load or resume code to 4661c8e32cc1SDaniel Vetter * reset hardware and software state. 4662c8e32cc1SDaniel Vetter */ 4663eb033556SChris Wilson void drm_mode_config_reset(struct drm_device *dev) 4664eb033556SChris Wilson { 4665eb033556SChris Wilson struct drm_crtc *crtc; 4666eb033556SChris Wilson struct drm_encoder *encoder; 4667eb033556SChris Wilson struct drm_connector *connector; 4668eb033556SChris Wilson 4669eb033556SChris Wilson list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 4670eb033556SChris Wilson if (crtc->funcs->reset) 4671eb033556SChris Wilson crtc->funcs->reset(crtc); 4672eb033556SChris Wilson 4673eb033556SChris Wilson list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) 4674eb033556SChris Wilson if (encoder->funcs->reset) 4675eb033556SChris Wilson encoder->funcs->reset(encoder); 4676eb033556SChris Wilson 46775e2cb2f6SDaniel Vetter list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 46785e2cb2f6SDaniel Vetter connector->status = connector_status_unknown; 46795e2cb2f6SDaniel Vetter 4680eb033556SChris Wilson if (connector->funcs->reset) 4681eb033556SChris Wilson connector->funcs->reset(connector); 4682eb033556SChris Wilson } 46835e2cb2f6SDaniel Vetter } 4684eb033556SChris Wilson EXPORT_SYMBOL(drm_mode_config_reset); 4685ff72145bSDave Airlie 4686c8e32cc1SDaniel Vetter /** 4687c8e32cc1SDaniel Vetter * drm_mode_create_dumb_ioctl - create a dumb backing storage buffer 4688c8e32cc1SDaniel Vetter * @dev: DRM device 4689c8e32cc1SDaniel Vetter * @data: ioctl data 4690c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4691c8e32cc1SDaniel Vetter * 4692c8e32cc1SDaniel Vetter * This creates a new dumb buffer in the driver's backing storage manager (GEM, 4693c8e32cc1SDaniel Vetter * TTM or something else entirely) and returns the resulting buffer handle. This 4694c8e32cc1SDaniel Vetter * handle can then be wrapped up into a framebuffer modeset object. 4695c8e32cc1SDaniel Vetter * 4696c8e32cc1SDaniel Vetter * Note that userspace is not allowed to use such objects for render 4697c8e32cc1SDaniel Vetter * acceleration - drivers must create their own private ioctls for such a use 4698c8e32cc1SDaniel Vetter * case. 4699c8e32cc1SDaniel Vetter * 4700c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4701c8e32cc1SDaniel Vetter * 4702c8e32cc1SDaniel Vetter * Returns: 4703c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4704c8e32cc1SDaniel Vetter */ 4705ff72145bSDave Airlie int drm_mode_create_dumb_ioctl(struct drm_device *dev, 4706ff72145bSDave Airlie void *data, struct drm_file *file_priv) 4707ff72145bSDave Airlie { 4708ff72145bSDave Airlie struct drm_mode_create_dumb *args = data; 4709b28cd41fSDavid Herrmann u32 cpp, stride, size; 4710ff72145bSDave Airlie 4711ff72145bSDave Airlie if (!dev->driver->dumb_create) 4712ff72145bSDave Airlie return -ENOSYS; 4713b28cd41fSDavid Herrmann if (!args->width || !args->height || !args->bpp) 4714b28cd41fSDavid Herrmann return -EINVAL; 4715b28cd41fSDavid Herrmann 4716b28cd41fSDavid Herrmann /* overflow checks for 32bit size calculations */ 4717b28cd41fSDavid Herrmann cpp = DIV_ROUND_UP(args->bpp, 8); 4718b28cd41fSDavid Herrmann if (cpp > 0xffffffffU / args->width) 4719b28cd41fSDavid Herrmann return -EINVAL; 4720b28cd41fSDavid Herrmann stride = cpp * args->width; 4721b28cd41fSDavid Herrmann if (args->height > 0xffffffffU / stride) 4722b28cd41fSDavid Herrmann return -EINVAL; 4723b28cd41fSDavid Herrmann 4724b28cd41fSDavid Herrmann /* test for wrap-around */ 4725b28cd41fSDavid Herrmann size = args->height * stride; 4726b28cd41fSDavid Herrmann if (PAGE_ALIGN(size) == 0) 4727b28cd41fSDavid Herrmann return -EINVAL; 4728b28cd41fSDavid Herrmann 4729ff72145bSDave Airlie return dev->driver->dumb_create(file_priv, dev, args); 4730ff72145bSDave Airlie } 4731ff72145bSDave Airlie 4732c8e32cc1SDaniel Vetter /** 4733c8e32cc1SDaniel Vetter * drm_mode_mmap_dumb_ioctl - create an mmap offset for a dumb backing storage buffer 4734c8e32cc1SDaniel Vetter * @dev: DRM device 4735c8e32cc1SDaniel Vetter * @data: ioctl data 4736c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4737c8e32cc1SDaniel Vetter * 4738c8e32cc1SDaniel Vetter * Allocate an offset in the drm device node's address space to be able to 4739c8e32cc1SDaniel Vetter * memory map a dumb buffer. 4740c8e32cc1SDaniel Vetter * 4741c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4742c8e32cc1SDaniel Vetter * 4743c8e32cc1SDaniel Vetter * Returns: 4744c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4745c8e32cc1SDaniel Vetter */ 4746ff72145bSDave Airlie int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, 4747ff72145bSDave Airlie void *data, struct drm_file *file_priv) 4748ff72145bSDave Airlie { 4749ff72145bSDave Airlie struct drm_mode_map_dumb *args = data; 4750ff72145bSDave Airlie 4751ff72145bSDave Airlie /* call driver ioctl to get mmap offset */ 4752ff72145bSDave Airlie if (!dev->driver->dumb_map_offset) 4753ff72145bSDave Airlie return -ENOSYS; 4754ff72145bSDave Airlie 4755ff72145bSDave Airlie return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); 4756ff72145bSDave Airlie } 4757ff72145bSDave Airlie 4758c8e32cc1SDaniel Vetter /** 4759c8e32cc1SDaniel Vetter * drm_mode_destroy_dumb_ioctl - destroy a dumb backing strage buffer 4760c8e32cc1SDaniel Vetter * @dev: DRM device 4761c8e32cc1SDaniel Vetter * @data: ioctl data 4762c8e32cc1SDaniel Vetter * @file_priv: DRM file info 4763c8e32cc1SDaniel Vetter * 4764c8e32cc1SDaniel Vetter * This destroys the userspace handle for the given dumb backing storage buffer. 4765c8e32cc1SDaniel Vetter * Since buffer objects must be reference counted in the kernel a buffer object 4766c8e32cc1SDaniel Vetter * won't be immediately freed if a framebuffer modeset object still uses it. 4767c8e32cc1SDaniel Vetter * 4768c8e32cc1SDaniel Vetter * Called by the user via ioctl. 4769c8e32cc1SDaniel Vetter * 4770c8e32cc1SDaniel Vetter * Returns: 4771c8e32cc1SDaniel Vetter * Zero on success, errno on failure. 4772c8e32cc1SDaniel Vetter */ 4773ff72145bSDave Airlie int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, 4774ff72145bSDave Airlie void *data, struct drm_file *file_priv) 4775ff72145bSDave Airlie { 4776ff72145bSDave Airlie struct drm_mode_destroy_dumb *args = data; 4777ff72145bSDave Airlie 4778ff72145bSDave Airlie if (!dev->driver->dumb_destroy) 4779ff72145bSDave Airlie return -ENOSYS; 4780ff72145bSDave Airlie 4781ff72145bSDave Airlie return dev->driver->dumb_destroy(file_priv, dev, args->handle); 4782ff72145bSDave Airlie } 4783248dbc23SDave Airlie 4784c8e32cc1SDaniel Vetter /** 4785c8e32cc1SDaniel Vetter * drm_fb_get_bpp_depth - get the bpp/depth values for format 4786c8e32cc1SDaniel Vetter * @format: pixel format (DRM_FORMAT_*) 4787c8e32cc1SDaniel Vetter * @depth: storage for the depth value 4788c8e32cc1SDaniel Vetter * @bpp: storage for the bpp value 4789c8e32cc1SDaniel Vetter * 4790c8e32cc1SDaniel Vetter * This only supports RGB formats here for compat with code that doesn't use 4791c8e32cc1SDaniel Vetter * pixel formats directly yet. 4792248dbc23SDave Airlie */ 4793248dbc23SDave Airlie void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, 4794248dbc23SDave Airlie int *bpp) 4795248dbc23SDave Airlie { 4796248dbc23SDave Airlie switch (format) { 4797c51a6bc5SVille Syrjälä case DRM_FORMAT_C8: 479804b3924dSVille Syrjälä case DRM_FORMAT_RGB332: 479904b3924dSVille Syrjälä case DRM_FORMAT_BGR233: 4800248dbc23SDave Airlie *depth = 8; 4801248dbc23SDave Airlie *bpp = 8; 4802248dbc23SDave Airlie break; 480304b3924dSVille Syrjälä case DRM_FORMAT_XRGB1555: 480404b3924dSVille Syrjälä case DRM_FORMAT_XBGR1555: 480504b3924dSVille Syrjälä case DRM_FORMAT_RGBX5551: 480604b3924dSVille Syrjälä case DRM_FORMAT_BGRX5551: 480704b3924dSVille Syrjälä case DRM_FORMAT_ARGB1555: 480804b3924dSVille Syrjälä case DRM_FORMAT_ABGR1555: 480904b3924dSVille Syrjälä case DRM_FORMAT_RGBA5551: 481004b3924dSVille Syrjälä case DRM_FORMAT_BGRA5551: 4811248dbc23SDave Airlie *depth = 15; 4812248dbc23SDave Airlie *bpp = 16; 4813248dbc23SDave Airlie break; 481404b3924dSVille Syrjälä case DRM_FORMAT_RGB565: 481504b3924dSVille Syrjälä case DRM_FORMAT_BGR565: 4816248dbc23SDave Airlie *depth = 16; 4817248dbc23SDave Airlie *bpp = 16; 4818248dbc23SDave Airlie break; 481904b3924dSVille Syrjälä case DRM_FORMAT_RGB888: 482004b3924dSVille Syrjälä case DRM_FORMAT_BGR888: 482104b3924dSVille Syrjälä *depth = 24; 482204b3924dSVille Syrjälä *bpp = 24; 482304b3924dSVille Syrjälä break; 482404b3924dSVille Syrjälä case DRM_FORMAT_XRGB8888: 482504b3924dSVille Syrjälä case DRM_FORMAT_XBGR8888: 482604b3924dSVille Syrjälä case DRM_FORMAT_RGBX8888: 482704b3924dSVille Syrjälä case DRM_FORMAT_BGRX8888: 4828248dbc23SDave Airlie *depth = 24; 4829248dbc23SDave Airlie *bpp = 32; 4830248dbc23SDave Airlie break; 483104b3924dSVille Syrjälä case DRM_FORMAT_XRGB2101010: 483204b3924dSVille Syrjälä case DRM_FORMAT_XBGR2101010: 483304b3924dSVille Syrjälä case DRM_FORMAT_RGBX1010102: 483404b3924dSVille Syrjälä case DRM_FORMAT_BGRX1010102: 483504b3924dSVille Syrjälä case DRM_FORMAT_ARGB2101010: 483604b3924dSVille Syrjälä case DRM_FORMAT_ABGR2101010: 483704b3924dSVille Syrjälä case DRM_FORMAT_RGBA1010102: 483804b3924dSVille Syrjälä case DRM_FORMAT_BGRA1010102: 4839248dbc23SDave Airlie *depth = 30; 4840248dbc23SDave Airlie *bpp = 32; 4841248dbc23SDave Airlie break; 484204b3924dSVille Syrjälä case DRM_FORMAT_ARGB8888: 484304b3924dSVille Syrjälä case DRM_FORMAT_ABGR8888: 484404b3924dSVille Syrjälä case DRM_FORMAT_RGBA8888: 484504b3924dSVille Syrjälä case DRM_FORMAT_BGRA8888: 4846248dbc23SDave Airlie *depth = 32; 4847248dbc23SDave Airlie *bpp = 32; 4848248dbc23SDave Airlie break; 4849248dbc23SDave Airlie default: 485023c453a4SVille Syrjälä DRM_DEBUG_KMS("unsupported pixel format %s\n", 485123c453a4SVille Syrjälä drm_get_format_name(format)); 4852248dbc23SDave Airlie *depth = 0; 4853248dbc23SDave Airlie *bpp = 0; 4854248dbc23SDave Airlie break; 4855248dbc23SDave Airlie } 4856248dbc23SDave Airlie } 4857248dbc23SDave Airlie EXPORT_SYMBOL(drm_fb_get_bpp_depth); 4858141670e9SVille Syrjälä 4859141670e9SVille Syrjälä /** 4860141670e9SVille Syrjälä * drm_format_num_planes - get the number of planes for format 4861141670e9SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 4862141670e9SVille Syrjälä * 4863c8e32cc1SDaniel Vetter * Returns: 4864141670e9SVille Syrjälä * The number of planes used by the specified pixel format. 4865141670e9SVille Syrjälä */ 4866141670e9SVille Syrjälä int drm_format_num_planes(uint32_t format) 4867141670e9SVille Syrjälä { 4868141670e9SVille Syrjälä switch (format) { 4869141670e9SVille Syrjälä case DRM_FORMAT_YUV410: 4870141670e9SVille Syrjälä case DRM_FORMAT_YVU410: 4871141670e9SVille Syrjälä case DRM_FORMAT_YUV411: 4872141670e9SVille Syrjälä case DRM_FORMAT_YVU411: 4873141670e9SVille Syrjälä case DRM_FORMAT_YUV420: 4874141670e9SVille Syrjälä case DRM_FORMAT_YVU420: 4875141670e9SVille Syrjälä case DRM_FORMAT_YUV422: 4876141670e9SVille Syrjälä case DRM_FORMAT_YVU422: 4877141670e9SVille Syrjälä case DRM_FORMAT_YUV444: 4878141670e9SVille Syrjälä case DRM_FORMAT_YVU444: 4879141670e9SVille Syrjälä return 3; 4880141670e9SVille Syrjälä case DRM_FORMAT_NV12: 4881141670e9SVille Syrjälä case DRM_FORMAT_NV21: 4882141670e9SVille Syrjälä case DRM_FORMAT_NV16: 4883141670e9SVille Syrjälä case DRM_FORMAT_NV61: 4884ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 4885ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 4886141670e9SVille Syrjälä return 2; 4887141670e9SVille Syrjälä default: 4888141670e9SVille Syrjälä return 1; 4889141670e9SVille Syrjälä } 4890141670e9SVille Syrjälä } 4891141670e9SVille Syrjälä EXPORT_SYMBOL(drm_format_num_planes); 48925a86bd55SVille Syrjälä 48935a86bd55SVille Syrjälä /** 48945a86bd55SVille Syrjälä * drm_format_plane_cpp - determine the bytes per pixel value 48955a86bd55SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 48965a86bd55SVille Syrjälä * @plane: plane index 48975a86bd55SVille Syrjälä * 4898c8e32cc1SDaniel Vetter * Returns: 48995a86bd55SVille Syrjälä * The bytes per pixel value for the specified plane. 49005a86bd55SVille Syrjälä */ 49015a86bd55SVille Syrjälä int drm_format_plane_cpp(uint32_t format, int plane) 49025a86bd55SVille Syrjälä { 49035a86bd55SVille Syrjälä unsigned int depth; 49045a86bd55SVille Syrjälä int bpp; 49055a86bd55SVille Syrjälä 49065a86bd55SVille Syrjälä if (plane >= drm_format_num_planes(format)) 49075a86bd55SVille Syrjälä return 0; 49085a86bd55SVille Syrjälä 49095a86bd55SVille Syrjälä switch (format) { 49105a86bd55SVille Syrjälä case DRM_FORMAT_YUYV: 49115a86bd55SVille Syrjälä case DRM_FORMAT_YVYU: 49125a86bd55SVille Syrjälä case DRM_FORMAT_UYVY: 49135a86bd55SVille Syrjälä case DRM_FORMAT_VYUY: 49145a86bd55SVille Syrjälä return 2; 49155a86bd55SVille Syrjälä case DRM_FORMAT_NV12: 49165a86bd55SVille Syrjälä case DRM_FORMAT_NV21: 49175a86bd55SVille Syrjälä case DRM_FORMAT_NV16: 49185a86bd55SVille Syrjälä case DRM_FORMAT_NV61: 4919ba623f6aSLaurent Pinchart case DRM_FORMAT_NV24: 4920ba623f6aSLaurent Pinchart case DRM_FORMAT_NV42: 49215a86bd55SVille Syrjälä return plane ? 2 : 1; 49225a86bd55SVille Syrjälä case DRM_FORMAT_YUV410: 49235a86bd55SVille Syrjälä case DRM_FORMAT_YVU410: 49245a86bd55SVille Syrjälä case DRM_FORMAT_YUV411: 49255a86bd55SVille Syrjälä case DRM_FORMAT_YVU411: 49265a86bd55SVille Syrjälä case DRM_FORMAT_YUV420: 49275a86bd55SVille Syrjälä case DRM_FORMAT_YVU420: 49285a86bd55SVille Syrjälä case DRM_FORMAT_YUV422: 49295a86bd55SVille Syrjälä case DRM_FORMAT_YVU422: 49305a86bd55SVille Syrjälä case DRM_FORMAT_YUV444: 49315a86bd55SVille Syrjälä case DRM_FORMAT_YVU444: 49325a86bd55SVille Syrjälä return 1; 49335a86bd55SVille Syrjälä default: 49345a86bd55SVille Syrjälä drm_fb_get_bpp_depth(format, &depth, &bpp); 49355a86bd55SVille Syrjälä return bpp >> 3; 49365a86bd55SVille Syrjälä } 49375a86bd55SVille Syrjälä } 49385a86bd55SVille Syrjälä EXPORT_SYMBOL(drm_format_plane_cpp); 493901b68b04SVille Syrjälä 494001b68b04SVille Syrjälä /** 494101b68b04SVille Syrjälä * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 494201b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 494301b68b04SVille Syrjälä * 4944c8e32cc1SDaniel Vetter * Returns: 494501b68b04SVille Syrjälä * The horizontal chroma subsampling factor for the 494601b68b04SVille Syrjälä * specified pixel format. 494701b68b04SVille Syrjälä */ 494801b68b04SVille Syrjälä int drm_format_horz_chroma_subsampling(uint32_t format) 494901b68b04SVille Syrjälä { 495001b68b04SVille Syrjälä switch (format) { 495101b68b04SVille Syrjälä case DRM_FORMAT_YUV411: 495201b68b04SVille Syrjälä case DRM_FORMAT_YVU411: 495301b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 495401b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 495501b68b04SVille Syrjälä return 4; 495601b68b04SVille Syrjälä case DRM_FORMAT_YUYV: 495701b68b04SVille Syrjälä case DRM_FORMAT_YVYU: 495801b68b04SVille Syrjälä case DRM_FORMAT_UYVY: 495901b68b04SVille Syrjälä case DRM_FORMAT_VYUY: 496001b68b04SVille Syrjälä case DRM_FORMAT_NV12: 496101b68b04SVille Syrjälä case DRM_FORMAT_NV21: 496201b68b04SVille Syrjälä case DRM_FORMAT_NV16: 496301b68b04SVille Syrjälä case DRM_FORMAT_NV61: 496401b68b04SVille Syrjälä case DRM_FORMAT_YUV422: 496501b68b04SVille Syrjälä case DRM_FORMAT_YVU422: 496601b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 496701b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 496801b68b04SVille Syrjälä return 2; 496901b68b04SVille Syrjälä default: 497001b68b04SVille Syrjälä return 1; 497101b68b04SVille Syrjälä } 497201b68b04SVille Syrjälä } 497301b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); 497401b68b04SVille Syrjälä 497501b68b04SVille Syrjälä /** 497601b68b04SVille Syrjälä * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 497701b68b04SVille Syrjälä * @format: pixel format (DRM_FORMAT_*) 497801b68b04SVille Syrjälä * 4979c8e32cc1SDaniel Vetter * Returns: 498001b68b04SVille Syrjälä * The vertical chroma subsampling factor for the 498101b68b04SVille Syrjälä * specified pixel format. 498201b68b04SVille Syrjälä */ 498301b68b04SVille Syrjälä int drm_format_vert_chroma_subsampling(uint32_t format) 498401b68b04SVille Syrjälä { 498501b68b04SVille Syrjälä switch (format) { 498601b68b04SVille Syrjälä case DRM_FORMAT_YUV410: 498701b68b04SVille Syrjälä case DRM_FORMAT_YVU410: 498801b68b04SVille Syrjälä return 4; 498901b68b04SVille Syrjälä case DRM_FORMAT_YUV420: 499001b68b04SVille Syrjälä case DRM_FORMAT_YVU420: 499101b68b04SVille Syrjälä case DRM_FORMAT_NV12: 499201b68b04SVille Syrjälä case DRM_FORMAT_NV21: 499301b68b04SVille Syrjälä return 2; 499401b68b04SVille Syrjälä default: 499501b68b04SVille Syrjälä return 1; 499601b68b04SVille Syrjälä } 499701b68b04SVille Syrjälä } 499801b68b04SVille Syrjälä EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); 499987d24fc3SLaurent Pinchart 500087d24fc3SLaurent Pinchart /** 50013c9855f6SVille Syrjälä * drm_rotation_simplify() - Try to simplify the rotation 50023c9855f6SVille Syrjälä * @rotation: Rotation to be simplified 50033c9855f6SVille Syrjälä * @supported_rotations: Supported rotations 50043c9855f6SVille Syrjälä * 50053c9855f6SVille Syrjälä * Attempt to simplify the rotation to a form that is supported. 50063c9855f6SVille Syrjälä * Eg. if the hardware supports everything except DRM_REFLECT_X 50073c9855f6SVille Syrjälä * one could call this function like this: 50083c9855f6SVille Syrjälä * 50093c9855f6SVille Syrjälä * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) | 50103c9855f6SVille Syrjälä * BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) | 50113c9855f6SVille Syrjälä * BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y)); 50123c9855f6SVille Syrjälä * 50133c9855f6SVille Syrjälä * to eliminate the DRM_ROTATE_X flag. Depending on what kind of 50143c9855f6SVille Syrjälä * transforms the hardware supports, this function may not 50153c9855f6SVille Syrjälä * be able to produce a supported transform, so the caller should 50163c9855f6SVille Syrjälä * check the result afterwards. 50173c9855f6SVille Syrjälä */ 50183c9855f6SVille Syrjälä unsigned int drm_rotation_simplify(unsigned int rotation, 50193c9855f6SVille Syrjälä unsigned int supported_rotations) 50203c9855f6SVille Syrjälä { 50213c9855f6SVille Syrjälä if (rotation & ~supported_rotations) { 50223c9855f6SVille Syrjälä rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y); 50233c9855f6SVille Syrjälä rotation = (rotation & ~0xf) | BIT((ffs(rotation & 0xf) + 1) % 4); 50243c9855f6SVille Syrjälä } 50253c9855f6SVille Syrjälä 50263c9855f6SVille Syrjälä return rotation; 50273c9855f6SVille Syrjälä } 50283c9855f6SVille Syrjälä EXPORT_SYMBOL(drm_rotation_simplify); 50293c9855f6SVille Syrjälä 50303c9855f6SVille Syrjälä /** 503187d24fc3SLaurent Pinchart * drm_mode_config_init - initialize DRM mode_configuration structure 503287d24fc3SLaurent Pinchart * @dev: DRM device 503387d24fc3SLaurent Pinchart * 503487d24fc3SLaurent Pinchart * Initialize @dev's mode_config structure, used for tracking the graphics 503587d24fc3SLaurent Pinchart * configuration of @dev. 503687d24fc3SLaurent Pinchart * 503787d24fc3SLaurent Pinchart * Since this initializes the modeset locks, no locking is possible. Which is no 503887d24fc3SLaurent Pinchart * problem, since this should happen single threaded at init time. It is the 503987d24fc3SLaurent Pinchart * driver's problem to ensure this guarantee. 504087d24fc3SLaurent Pinchart * 504187d24fc3SLaurent Pinchart */ 504287d24fc3SLaurent Pinchart void drm_mode_config_init(struct drm_device *dev) 504387d24fc3SLaurent Pinchart { 504487d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.mutex); 504551fd371bSRob Clark drm_modeset_lock_init(&dev->mode_config.connection_mutex); 504687d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.idr_mutex); 504787d24fc3SLaurent Pinchart mutex_init(&dev->mode_config.fb_lock); 504887d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.fb_list); 504987d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.crtc_list); 505087d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.connector_list); 50513b336ec4SSean Paul INIT_LIST_HEAD(&dev->mode_config.bridge_list); 505287d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.encoder_list); 505387d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_list); 505487d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.property_blob_list); 505587d24fc3SLaurent Pinchart INIT_LIST_HEAD(&dev->mode_config.plane_list); 505687d24fc3SLaurent Pinchart idr_init(&dev->mode_config.crtc_idr); 505787d24fc3SLaurent Pinchart 505887d24fc3SLaurent Pinchart drm_modeset_lock_all(dev); 505987d24fc3SLaurent Pinchart drm_mode_create_standard_connector_properties(dev); 50609922ab5aSRob Clark drm_mode_create_standard_plane_properties(dev); 506187d24fc3SLaurent Pinchart drm_modeset_unlock_all(dev); 506287d24fc3SLaurent Pinchart 506387d24fc3SLaurent Pinchart /* Just to be sure */ 506487d24fc3SLaurent Pinchart dev->mode_config.num_fb = 0; 506587d24fc3SLaurent Pinchart dev->mode_config.num_connector = 0; 506687d24fc3SLaurent Pinchart dev->mode_config.num_crtc = 0; 506787d24fc3SLaurent Pinchart dev->mode_config.num_encoder = 0; 5068e27dde3eSMatt Roper dev->mode_config.num_overlay_plane = 0; 5069e27dde3eSMatt Roper dev->mode_config.num_total_plane = 0; 507087d24fc3SLaurent Pinchart } 507187d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_init); 507287d24fc3SLaurent Pinchart 507387d24fc3SLaurent Pinchart /** 507487d24fc3SLaurent Pinchart * drm_mode_config_cleanup - free up DRM mode_config info 507587d24fc3SLaurent Pinchart * @dev: DRM device 507687d24fc3SLaurent Pinchart * 507787d24fc3SLaurent Pinchart * Free up all the connectors and CRTCs associated with this DRM device, then 507887d24fc3SLaurent Pinchart * free up the framebuffers and associated buffer objects. 507987d24fc3SLaurent Pinchart * 508087d24fc3SLaurent Pinchart * Note that since this /should/ happen single-threaded at driver/device 508187d24fc3SLaurent Pinchart * teardown time, no locking is required. It's the driver's job to ensure that 508287d24fc3SLaurent Pinchart * this guarantee actually holds true. 508387d24fc3SLaurent Pinchart * 508487d24fc3SLaurent Pinchart * FIXME: cleanup any dangling user buffer objects too 508587d24fc3SLaurent Pinchart */ 508687d24fc3SLaurent Pinchart void drm_mode_config_cleanup(struct drm_device *dev) 508787d24fc3SLaurent Pinchart { 508887d24fc3SLaurent Pinchart struct drm_connector *connector, *ot; 508987d24fc3SLaurent Pinchart struct drm_crtc *crtc, *ct; 509087d24fc3SLaurent Pinchart struct drm_encoder *encoder, *enct; 50913b336ec4SSean Paul struct drm_bridge *bridge, *brt; 509287d24fc3SLaurent Pinchart struct drm_framebuffer *fb, *fbt; 509387d24fc3SLaurent Pinchart struct drm_property *property, *pt; 509487d24fc3SLaurent Pinchart struct drm_property_blob *blob, *bt; 509587d24fc3SLaurent Pinchart struct drm_plane *plane, *plt; 509687d24fc3SLaurent Pinchart 509787d24fc3SLaurent Pinchart list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, 509887d24fc3SLaurent Pinchart head) { 509987d24fc3SLaurent Pinchart encoder->funcs->destroy(encoder); 510087d24fc3SLaurent Pinchart } 510187d24fc3SLaurent Pinchart 51023b336ec4SSean Paul list_for_each_entry_safe(bridge, brt, 51033b336ec4SSean Paul &dev->mode_config.bridge_list, head) { 51043b336ec4SSean Paul bridge->funcs->destroy(bridge); 51053b336ec4SSean Paul } 51063b336ec4SSean Paul 510787d24fc3SLaurent Pinchart list_for_each_entry_safe(connector, ot, 510887d24fc3SLaurent Pinchart &dev->mode_config.connector_list, head) { 510987d24fc3SLaurent Pinchart connector->funcs->destroy(connector); 511087d24fc3SLaurent Pinchart } 511187d24fc3SLaurent Pinchart 511287d24fc3SLaurent Pinchart list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, 511387d24fc3SLaurent Pinchart head) { 511487d24fc3SLaurent Pinchart drm_property_destroy(dev, property); 511587d24fc3SLaurent Pinchart } 511687d24fc3SLaurent Pinchart 511787d24fc3SLaurent Pinchart list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, 511887d24fc3SLaurent Pinchart head) { 511987d24fc3SLaurent Pinchart drm_property_destroy_blob(dev, blob); 512087d24fc3SLaurent Pinchart } 512187d24fc3SLaurent Pinchart 512287d24fc3SLaurent Pinchart /* 512387d24fc3SLaurent Pinchart * Single-threaded teardown context, so it's not required to grab the 512487d24fc3SLaurent Pinchart * fb_lock to protect against concurrent fb_list access. Contrary, it 512587d24fc3SLaurent Pinchart * would actually deadlock with the drm_framebuffer_cleanup function. 512687d24fc3SLaurent Pinchart * 512787d24fc3SLaurent Pinchart * Also, if there are any framebuffers left, that's a driver leak now, 512887d24fc3SLaurent Pinchart * so politely WARN about this. 512987d24fc3SLaurent Pinchart */ 513087d24fc3SLaurent Pinchart WARN_ON(!list_empty(&dev->mode_config.fb_list)); 513187d24fc3SLaurent Pinchart list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { 513287d24fc3SLaurent Pinchart drm_framebuffer_remove(fb); 513387d24fc3SLaurent Pinchart } 513487d24fc3SLaurent Pinchart 513587d24fc3SLaurent Pinchart list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, 513687d24fc3SLaurent Pinchart head) { 513787d24fc3SLaurent Pinchart plane->funcs->destroy(plane); 513887d24fc3SLaurent Pinchart } 513987d24fc3SLaurent Pinchart 514087d24fc3SLaurent Pinchart list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { 514187d24fc3SLaurent Pinchart crtc->funcs->destroy(crtc); 514287d24fc3SLaurent Pinchart } 514387d24fc3SLaurent Pinchart 514487d24fc3SLaurent Pinchart idr_destroy(&dev->mode_config.crtc_idr); 514551fd371bSRob Clark drm_modeset_lock_fini(&dev->mode_config.connection_mutex); 514687d24fc3SLaurent Pinchart } 514787d24fc3SLaurent Pinchart EXPORT_SYMBOL(drm_mode_config_cleanup); 5148c1df5f3cSVille Syrjälä 5149c1df5f3cSVille Syrjälä struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, 5150c1df5f3cSVille Syrjälä unsigned int supported_rotations) 5151c1df5f3cSVille Syrjälä { 5152c1df5f3cSVille Syrjälä static const struct drm_prop_enum_list props[] = { 5153c1df5f3cSVille Syrjälä { DRM_ROTATE_0, "rotate-0" }, 5154c1df5f3cSVille Syrjälä { DRM_ROTATE_90, "rotate-90" }, 5155c1df5f3cSVille Syrjälä { DRM_ROTATE_180, "rotate-180" }, 5156c1df5f3cSVille Syrjälä { DRM_ROTATE_270, "rotate-270" }, 5157c1df5f3cSVille Syrjälä { DRM_REFLECT_X, "reflect-x" }, 5158c1df5f3cSVille Syrjälä { DRM_REFLECT_Y, "reflect-y" }, 5159c1df5f3cSVille Syrjälä }; 5160c1df5f3cSVille Syrjälä 5161c1df5f3cSVille Syrjälä return drm_property_create_bitmask(dev, 0, "rotation", 5162c1df5f3cSVille Syrjälä props, ARRAY_SIZE(props), 5163c1df5f3cSVille Syrjälä supported_rotations); 5164c1df5f3cSVille Syrjälä } 5165c1df5f3cSVille Syrjälä EXPORT_SYMBOL(drm_mode_create_rotation_property); 5166