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> 366d6003c4SGustavo Padovan #include <linux/dma-fence.h> 37760285e7SDavid Howells #include <drm/drmP.h> 38760285e7SDavid Howells #include <drm/drm_crtc.h> 39760285e7SDavid Howells #include <drm/drm_edid.h> 40760285e7SDavid Howells #include <drm/drm_fourcc.h> 4151fd371bSRob Clark #include <drm/drm_modeset_lock.h> 4288a48e29SRob Clark #include <drm/drm_atomic.h> 433b96a0b1SDaniel Vetter #include <drm/drm_auth.h> 449edbf1faSTomeu Vizoso #include <drm/drm_debugfs_crc.h> 45f453ba04SDave Airlie 468bd441b2SDaniel Vetter #include "drm_crtc_internal.h" 4767d0ec4eSDaniel Vetter #include "drm_internal.h" 488bd441b2SDaniel Vetter 496a0d9528SLukas Wunner /** 50d5d487ebSDaniel Vetter * DOC: overview 51d5d487ebSDaniel Vetter * 52d5d487ebSDaniel Vetter * A CRTC represents the overall display pipeline. It receives pixel data from 53d5d487ebSDaniel Vetter * &drm_plane and blends them together. The &drm_display_mode is also attached 54d5d487ebSDaniel Vetter * to the CRTC, specifying display timings. On the output side the data is fed 55d5d487ebSDaniel Vetter * to one or more &drm_encoder, which are then each connected to one 56d5d487ebSDaniel Vetter * &drm_connector. 57d5d487ebSDaniel Vetter * 58d5d487ebSDaniel Vetter * To create a CRTC, a KMS drivers allocates and zeroes an instances of 59d5d487ebSDaniel Vetter * &struct drm_crtc (possibly as part of a larger structure) and registers it 60d5d487ebSDaniel Vetter * with a call to drm_crtc_init_with_planes(). 61d5d487ebSDaniel Vetter * 62d5d487ebSDaniel Vetter * The CRTC is also the entry point for legacy modeset operations, see 63d5d487ebSDaniel Vetter * &drm_crtc_funcs.set_config, legacy plane operations, see 64d5d487ebSDaniel Vetter * &drm_crtc_funcs.page_flip and &drm_crtc_funcs.cursor_set2, and other legacy 65d5d487ebSDaniel Vetter * operations like &drm_crtc_funcs.gamma_set. For atomic drivers all these 66d5d487ebSDaniel Vetter * features are controlled through &drm_property and 67d5d487ebSDaniel Vetter * &drm_mode_config_funcs.atomic_check and &drm_mode_config_funcs.atomic_check. 68d5d487ebSDaniel Vetter */ 69d5d487ebSDaniel Vetter 70d5d487ebSDaniel Vetter /** 716d1b81d8SShawn Guo * drm_crtc_from_index - find the registered CRTC at an index 726d1b81d8SShawn Guo * @dev: DRM device 736d1b81d8SShawn Guo * @idx: index of registered CRTC to find for 746d1b81d8SShawn Guo * 756d1b81d8SShawn Guo * Given a CRTC index, return the registered CRTC from DRM device's 76931c670dSShawn Guo * list of CRTCs with matching index. This is the inverse of drm_crtc_index(). 77931c670dSShawn Guo * It's useful in the vblank callbacks (like &drm_driver.enable_vblank or 78931c670dSShawn Guo * &drm_driver.disable_vblank), since that still deals with indices instead 79931c670dSShawn Guo * of pointers to &struct drm_crtc." 806d1b81d8SShawn Guo */ 816d1b81d8SShawn Guo struct drm_crtc *drm_crtc_from_index(struct drm_device *dev, int idx) 826d1b81d8SShawn Guo { 836d1b81d8SShawn Guo struct drm_crtc *crtc; 846d1b81d8SShawn Guo 856d1b81d8SShawn Guo drm_for_each_crtc(crtc, dev) 866d1b81d8SShawn Guo if (idx == crtc->index) 876d1b81d8SShawn Guo return crtc; 886d1b81d8SShawn Guo 896d1b81d8SShawn Guo return NULL; 906d1b81d8SShawn Guo } 916d1b81d8SShawn Guo EXPORT_SYMBOL(drm_crtc_from_index); 926d1b81d8SShawn Guo 936d1b81d8SShawn Guo /** 946a0d9528SLukas Wunner * drm_crtc_force_disable - Forcibly turn off a CRTC 956a0d9528SLukas Wunner * @crtc: CRTC to turn off 966a0d9528SLukas Wunner * 9718dddadcSDaniel Vetter * Note: This should only be used by non-atomic legacy drivers. 9818dddadcSDaniel Vetter * 996a0d9528SLukas Wunner * Returns: 1006a0d9528SLukas Wunner * Zero on success, error code on failure. 1016a0d9528SLukas Wunner */ 1026a0d9528SLukas Wunner int drm_crtc_force_disable(struct drm_crtc *crtc) 1036a0d9528SLukas Wunner { 1046a0d9528SLukas Wunner struct drm_mode_set set = { 1056a0d9528SLukas Wunner .crtc = crtc, 1066a0d9528SLukas Wunner }; 1076a0d9528SLukas Wunner 10818dddadcSDaniel Vetter WARN_ON(drm_drv_uses_atomic_modeset(crtc->dev)); 10918dddadcSDaniel Vetter 1106a0d9528SLukas Wunner return drm_mode_set_config_internal(&set); 1116a0d9528SLukas Wunner } 1126a0d9528SLukas Wunner EXPORT_SYMBOL(drm_crtc_force_disable); 1136a0d9528SLukas Wunner 1146a0d9528SLukas Wunner /** 1156a0d9528SLukas Wunner * drm_crtc_force_disable_all - Forcibly turn off all enabled CRTCs 1166a0d9528SLukas Wunner * @dev: DRM device whose CRTCs to turn off 1176a0d9528SLukas Wunner * 1186a0d9528SLukas Wunner * Drivers may want to call this on unload to ensure that all displays are 1196a0d9528SLukas Wunner * unlit and the GPU is in a consistent, low power state. Takes modeset locks. 1206a0d9528SLukas Wunner * 12118dddadcSDaniel Vetter * Note: This should only be used by non-atomic legacy drivers. For an atomic 12218dddadcSDaniel Vetter * version look at drm_atomic_helper_shutdown(). 12318dddadcSDaniel Vetter * 1246a0d9528SLukas Wunner * Returns: 1256a0d9528SLukas Wunner * Zero on success, error code on failure. 1266a0d9528SLukas Wunner */ 1276a0d9528SLukas Wunner int drm_crtc_force_disable_all(struct drm_device *dev) 1286a0d9528SLukas Wunner { 1296a0d9528SLukas Wunner struct drm_crtc *crtc; 1306a0d9528SLukas Wunner int ret = 0; 1316a0d9528SLukas Wunner 1326a0d9528SLukas Wunner drm_modeset_lock_all(dev); 1336a0d9528SLukas Wunner drm_for_each_crtc(crtc, dev) 1346a0d9528SLukas Wunner if (crtc->enabled) { 1356a0d9528SLukas Wunner ret = drm_crtc_force_disable(crtc); 1366a0d9528SLukas Wunner if (ret) 1376a0d9528SLukas Wunner goto out; 1386a0d9528SLukas Wunner } 1396a0d9528SLukas Wunner out: 1406a0d9528SLukas Wunner drm_modeset_unlock_all(dev); 1416a0d9528SLukas Wunner return ret; 1426a0d9528SLukas Wunner } 1436a0d9528SLukas Wunner EXPORT_SYMBOL(drm_crtc_force_disable_all); 1446a0d9528SLukas Wunner 145fa3ab4c2SVille Syrjälä static unsigned int drm_num_crtcs(struct drm_device *dev) 146fa3ab4c2SVille Syrjälä { 147fa3ab4c2SVille Syrjälä unsigned int num = 0; 148fa3ab4c2SVille Syrjälä struct drm_crtc *tmp; 149fa3ab4c2SVille Syrjälä 150fa3ab4c2SVille Syrjälä drm_for_each_crtc(tmp, dev) { 151fa3ab4c2SVille Syrjälä num++; 152fa3ab4c2SVille Syrjälä } 153fa3ab4c2SVille Syrjälä 154fa3ab4c2SVille Syrjälä return num; 155fa3ab4c2SVille Syrjälä } 156fa3ab4c2SVille Syrjälä 15728575f16SDaniel Vetter int drm_crtc_register_all(struct drm_device *dev) 15879190ea2SBenjamin Gaignard { 15979190ea2SBenjamin Gaignard struct drm_crtc *crtc; 16079190ea2SBenjamin Gaignard int ret = 0; 16179190ea2SBenjamin Gaignard 16279190ea2SBenjamin Gaignard drm_for_each_crtc(crtc, dev) { 1639edbf1faSTomeu Vizoso if (drm_debugfs_crtc_add(crtc)) 1649edbf1faSTomeu Vizoso DRM_ERROR("Failed to initialize debugfs entry for CRTC '%s'.\n", 1659edbf1faSTomeu Vizoso crtc->name); 1669edbf1faSTomeu Vizoso 16779190ea2SBenjamin Gaignard if (crtc->funcs->late_register) 16879190ea2SBenjamin Gaignard ret = crtc->funcs->late_register(crtc); 16979190ea2SBenjamin Gaignard if (ret) 17079190ea2SBenjamin Gaignard return ret; 17179190ea2SBenjamin Gaignard } 17279190ea2SBenjamin Gaignard 17379190ea2SBenjamin Gaignard return 0; 17479190ea2SBenjamin Gaignard } 17579190ea2SBenjamin Gaignard 17628575f16SDaniel Vetter void drm_crtc_unregister_all(struct drm_device *dev) 17779190ea2SBenjamin Gaignard { 17879190ea2SBenjamin Gaignard struct drm_crtc *crtc; 17979190ea2SBenjamin Gaignard 18079190ea2SBenjamin Gaignard drm_for_each_crtc(crtc, dev) { 18179190ea2SBenjamin Gaignard if (crtc->funcs->early_unregister) 18279190ea2SBenjamin Gaignard crtc->funcs->early_unregister(crtc); 1839edbf1faSTomeu Vizoso drm_debugfs_crtc_remove(crtc); 18479190ea2SBenjamin Gaignard } 18579190ea2SBenjamin Gaignard } 18679190ea2SBenjamin Gaignard 1879edbf1faSTomeu Vizoso static int drm_crtc_crc_init(struct drm_crtc *crtc) 1889edbf1faSTomeu Vizoso { 1899edbf1faSTomeu Vizoso #ifdef CONFIG_DEBUG_FS 1909edbf1faSTomeu Vizoso spin_lock_init(&crtc->crc.lock); 1919edbf1faSTomeu Vizoso init_waitqueue_head(&crtc->crc.wq); 1929edbf1faSTomeu Vizoso crtc->crc.source = kstrdup("auto", GFP_KERNEL); 1939edbf1faSTomeu Vizoso if (!crtc->crc.source) 1949edbf1faSTomeu Vizoso return -ENOMEM; 1959edbf1faSTomeu Vizoso #endif 1969edbf1faSTomeu Vizoso return 0; 1979edbf1faSTomeu Vizoso } 1989edbf1faSTomeu Vizoso 1999edbf1faSTomeu Vizoso static void drm_crtc_crc_fini(struct drm_crtc *crtc) 2009edbf1faSTomeu Vizoso { 2019edbf1faSTomeu Vizoso #ifdef CONFIG_DEBUG_FS 2029edbf1faSTomeu Vizoso kfree(crtc->crc.source); 2039edbf1faSTomeu Vizoso #endif 2049edbf1faSTomeu Vizoso } 2059edbf1faSTomeu Vizoso 20635f8cc3bSGustavo Padovan static const struct dma_fence_ops drm_crtc_fence_ops; 20735f8cc3bSGustavo Padovan 2086d6003c4SGustavo Padovan static struct drm_crtc *fence_to_crtc(struct dma_fence *fence) 2096d6003c4SGustavo Padovan { 2106d6003c4SGustavo Padovan BUG_ON(fence->ops != &drm_crtc_fence_ops); 2116d6003c4SGustavo Padovan return container_of(fence->lock, struct drm_crtc, fence_lock); 2126d6003c4SGustavo Padovan } 2136d6003c4SGustavo Padovan 2146d6003c4SGustavo Padovan static const char *drm_crtc_fence_get_driver_name(struct dma_fence *fence) 2156d6003c4SGustavo Padovan { 2166d6003c4SGustavo Padovan struct drm_crtc *crtc = fence_to_crtc(fence); 2176d6003c4SGustavo Padovan 2186d6003c4SGustavo Padovan return crtc->dev->driver->name; 2196d6003c4SGustavo Padovan } 2206d6003c4SGustavo Padovan 2216d6003c4SGustavo Padovan static const char *drm_crtc_fence_get_timeline_name(struct dma_fence *fence) 2226d6003c4SGustavo Padovan { 2236d6003c4SGustavo Padovan struct drm_crtc *crtc = fence_to_crtc(fence); 2246d6003c4SGustavo Padovan 2256d6003c4SGustavo Padovan return crtc->timeline_name; 2266d6003c4SGustavo Padovan } 2276d6003c4SGustavo Padovan 22835f8cc3bSGustavo Padovan static const struct dma_fence_ops drm_crtc_fence_ops = { 2296d6003c4SGustavo Padovan .get_driver_name = drm_crtc_fence_get_driver_name, 2306d6003c4SGustavo Padovan .get_timeline_name = drm_crtc_fence_get_timeline_name, 2316d6003c4SGustavo Padovan }; 2326d6003c4SGustavo Padovan 23335f8cc3bSGustavo Padovan struct dma_fence *drm_crtc_create_fence(struct drm_crtc *crtc) 23435f8cc3bSGustavo Padovan { 23535f8cc3bSGustavo Padovan struct dma_fence *fence; 23635f8cc3bSGustavo Padovan 23735f8cc3bSGustavo Padovan fence = kzalloc(sizeof(*fence), GFP_KERNEL); 23835f8cc3bSGustavo Padovan if (!fence) 23935f8cc3bSGustavo Padovan return NULL; 24035f8cc3bSGustavo Padovan 24135f8cc3bSGustavo Padovan dma_fence_init(fence, &drm_crtc_fence_ops, &crtc->fence_lock, 24235f8cc3bSGustavo Padovan crtc->fence_context, ++crtc->fence_seqno); 24335f8cc3bSGustavo Padovan 24435f8cc3bSGustavo Padovan return fence; 24535f8cc3bSGustavo Padovan } 24635f8cc3bSGustavo Padovan 247f453ba04SDave Airlie /** 248e13161afSMatt Roper * drm_crtc_init_with_planes - Initialise a new CRTC object with 249e13161afSMatt Roper * specified primary and cursor planes. 250f453ba04SDave Airlie * @dev: DRM device 251f453ba04SDave Airlie * @crtc: CRTC object to init 252e13161afSMatt Roper * @primary: Primary plane for CRTC 253e13161afSMatt Roper * @cursor: Cursor plane for CRTC 254f453ba04SDave Airlie * @funcs: callbacks for the new CRTC 255f9882876SVille Syrjälä * @name: printf style format string for the CRTC name, or NULL for default name 256f453ba04SDave Airlie * 257532b3671SDaniel Vetter * Inits a new object created as base part of a driver crtc object. Drivers 258532b3671SDaniel Vetter * should use this function instead of drm_crtc_init(), which is only provided 259532b3671SDaniel Vetter * for backwards compatibility with drivers which do not yet support universal 260532b3671SDaniel Vetter * planes). For really simple hardware which has only 1 plane look at 261532b3671SDaniel Vetter * drm_simple_display_pipe_init() instead. 2626bfc56aaSVille Syrjälä * 263c8e32cc1SDaniel Vetter * Returns: 2646bfc56aaSVille Syrjälä * Zero on success, error code on failure. 265f453ba04SDave Airlie */ 266e13161afSMatt Roper int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, 267e13161afSMatt Roper struct drm_plane *primary, 268fc1d3e44SMatt Roper struct drm_plane *cursor, 269f9882876SVille Syrjälä const struct drm_crtc_funcs *funcs, 270f9882876SVille Syrjälä const char *name, ...) 271f453ba04SDave Airlie { 27251fd371bSRob Clark struct drm_mode_config *config = &dev->mode_config; 2736bfc56aaSVille Syrjälä int ret; 2746bfc56aaSVille Syrjälä 275522cf91fSBenjamin Gaignard WARN_ON(primary && primary->type != DRM_PLANE_TYPE_PRIMARY); 276522cf91fSBenjamin Gaignard WARN_ON(cursor && cursor->type != DRM_PLANE_TYPE_CURSOR); 277522cf91fSBenjamin Gaignard 2782a8d3eacSVille Syrjälä /* crtc index is used with 32bit bitmasks */ 2792a8d3eacSVille Syrjälä if (WARN_ON(config->num_crtc >= 32)) 2802a8d3eacSVille Syrjälä return -EINVAL; 2812a8d3eacSVille Syrjälä 282ba1f665fSHaneen Mohammed WARN_ON(drm_drv_uses_atomic_modeset(dev) && 283ba1f665fSHaneen Mohammed (!funcs->atomic_destroy_state || 284ba1f665fSHaneen Mohammed !funcs->atomic_duplicate_state)); 285ba1f665fSHaneen Mohammed 286f453ba04SDave Airlie crtc->dev = dev; 287f453ba04SDave Airlie crtc->funcs = funcs; 288f453ba04SDave Airlie 2893b24f7d6SDaniel Vetter INIT_LIST_HEAD(&crtc->commit_list); 2903b24f7d6SDaniel Vetter spin_lock_init(&crtc->commit_lock); 2913b24f7d6SDaniel Vetter 29251fd371bSRob Clark drm_modeset_lock_init(&crtc->mutex); 2932135ea7aSThierry Reding ret = drm_mode_object_add(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); 2946bfc56aaSVille Syrjälä if (ret) 295baf698b0SDaniel Vetter return ret; 296f453ba04SDave Airlie 297fa3ab4c2SVille Syrjälä if (name) { 298fa3ab4c2SVille Syrjälä va_list ap; 299fa3ab4c2SVille Syrjälä 300fa3ab4c2SVille Syrjälä va_start(ap, name); 301fa3ab4c2SVille Syrjälä crtc->name = kvasprintf(GFP_KERNEL, name, ap); 302fa3ab4c2SVille Syrjälä va_end(ap); 303fa3ab4c2SVille Syrjälä } else { 304fa3ab4c2SVille Syrjälä crtc->name = kasprintf(GFP_KERNEL, "crtc-%d", 305fa3ab4c2SVille Syrjälä drm_num_crtcs(dev)); 306fa3ab4c2SVille Syrjälä } 307fa3ab4c2SVille Syrjälä if (!crtc->name) { 3087c8f6d25SDave Airlie drm_mode_object_unregister(dev, &crtc->base); 309fa3ab4c2SVille Syrjälä return -ENOMEM; 310fa3ab4c2SVille Syrjälä } 311fa3ab4c2SVille Syrjälä 3126d6003c4SGustavo Padovan crtc->fence_context = dma_fence_context_alloc(1); 3136d6003c4SGustavo Padovan spin_lock_init(&crtc->fence_lock); 3146d6003c4SGustavo Padovan snprintf(crtc->timeline_name, sizeof(crtc->timeline_name), 3156d6003c4SGustavo Padovan "CRTC:%d-%s", crtc->base.id, crtc->name); 3166d6003c4SGustavo Padovan 317bffd9de0SPaulo Zanoni crtc->base.properties = &crtc->properties; 318bffd9de0SPaulo Zanoni 31951fd371bSRob Clark list_add_tail(&crtc->head, &config->crtc_list); 320490d3d1bSChris Wilson crtc->index = config->num_crtc++; 3216bfc56aaSVille Syrjälä 322e13161afSMatt Roper crtc->primary = primary; 323fc1d3e44SMatt Roper crtc->cursor = cursor; 3247abc7d47SRob Clark if (primary && !primary->possible_crtcs) 3256a52193bSVille Syrjälä primary->possible_crtcs = drm_crtc_mask(crtc); 3267abc7d47SRob Clark if (cursor && !cursor->possible_crtcs) 3276a52193bSVille Syrjälä cursor->possible_crtcs = drm_crtc_mask(crtc); 328e13161afSMatt Roper 3299edbf1faSTomeu Vizoso ret = drm_crtc_crc_init(crtc); 3309edbf1faSTomeu Vizoso if (ret) { 3319edbf1faSTomeu Vizoso drm_mode_object_unregister(dev, &crtc->base); 3329edbf1faSTomeu Vizoso return ret; 3339edbf1faSTomeu Vizoso } 3349edbf1faSTomeu Vizoso 335eab3bbefSDaniel Vetter if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { 336eab3bbefSDaniel Vetter drm_object_attach_property(&crtc->base, config->prop_active, 0); 337955f3c33SDaniel Stone drm_object_attach_property(&crtc->base, config->prop_mode_id, 0); 338beaf5af4SGustavo Padovan drm_object_attach_property(&crtc->base, 339beaf5af4SGustavo Padovan config->prop_out_fence_ptr, 0); 340eab3bbefSDaniel Vetter } 341eab3bbefSDaniel Vetter 342baf698b0SDaniel Vetter return 0; 343f453ba04SDave Airlie } 344e13161afSMatt Roper EXPORT_SYMBOL(drm_crtc_init_with_planes); 345f453ba04SDave Airlie 346f453ba04SDave Airlie /** 347ad6f5c34SVille Syrjälä * drm_crtc_cleanup - Clean up the core crtc usage 348f453ba04SDave Airlie * @crtc: CRTC to cleanup 349f453ba04SDave Airlie * 350ad6f5c34SVille Syrjälä * This function cleans up @crtc and removes it from the DRM mode setting 351ad6f5c34SVille Syrjälä * core. Note that the function does *not* free the crtc structure itself, 352ad6f5c34SVille Syrjälä * this is the responsibility of the caller. 353f453ba04SDave Airlie */ 354f453ba04SDave Airlie void drm_crtc_cleanup(struct drm_crtc *crtc) 355f453ba04SDave Airlie { 356f453ba04SDave Airlie struct drm_device *dev = crtc->dev; 357f453ba04SDave Airlie 358490d3d1bSChris Wilson /* Note that the crtc_list is considered to be static; should we 359490d3d1bSChris Wilson * remove the drm_crtc at runtime we would have to decrement all 360490d3d1bSChris Wilson * the indices on the drm_crtc after us in the crtc_list. 361490d3d1bSChris Wilson */ 362490d3d1bSChris Wilson 3639edbf1faSTomeu Vizoso drm_crtc_crc_fini(crtc); 3649edbf1faSTomeu Vizoso 365f453ba04SDave Airlie kfree(crtc->gamma_store); 366f453ba04SDave Airlie crtc->gamma_store = NULL; 367f453ba04SDave Airlie 36851fd371bSRob Clark drm_modeset_lock_fini(&crtc->mutex); 36951fd371bSRob Clark 3707c8f6d25SDave Airlie drm_mode_object_unregister(dev, &crtc->base); 371f453ba04SDave Airlie list_del(&crtc->head); 372f453ba04SDave Airlie dev->mode_config.num_crtc--; 3733009c037SThierry Reding 3743009c037SThierry Reding WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); 3753009c037SThierry Reding if (crtc->state && crtc->funcs->atomic_destroy_state) 3763009c037SThierry Reding crtc->funcs->atomic_destroy_state(crtc, crtc->state); 377a18c0af1SThierry Reding 378fa3ab4c2SVille Syrjälä kfree(crtc->name); 379fa3ab4c2SVille Syrjälä 380a18c0af1SThierry Reding memset(crtc, 0, sizeof(*crtc)); 381f453ba04SDave Airlie } 382f453ba04SDave Airlie EXPORT_SYMBOL(drm_crtc_cleanup); 383f453ba04SDave Airlie 384f453ba04SDave Airlie /** 385f453ba04SDave Airlie * drm_mode_getcrtc - get CRTC configuration 386065a50edSDaniel Vetter * @dev: drm device for the ioctl 387065a50edSDaniel Vetter * @data: data pointer for the ioctl 388065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 389f453ba04SDave Airlie * 390f453ba04SDave Airlie * Construct a CRTC configuration structure to return to the user. 391f453ba04SDave Airlie * 392f453ba04SDave Airlie * Called by the user via ioctl. 393f453ba04SDave Airlie * 394c8e32cc1SDaniel Vetter * Returns: 3951a498633SDaniel Vetter * Zero on success, negative errno on failure. 396f453ba04SDave Airlie */ 397f453ba04SDave Airlie int drm_mode_getcrtc(struct drm_device *dev, 398f453ba04SDave Airlie void *data, struct drm_file *file_priv) 399f453ba04SDave Airlie { 400f453ba04SDave Airlie struct drm_mode_crtc *crtc_resp = data; 401f453ba04SDave Airlie struct drm_crtc *crtc; 40264c32b49SVille Syrjälä struct drm_plane *plane; 403f453ba04SDave Airlie 404fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 405fb3b06c8SDave Airlie return -EINVAL; 406fb3b06c8SDave Airlie 407418da172SKeith Packard crtc = drm_crtc_find(dev, file_priv, crtc_resp->crtc_id); 408fcf93f69SDaniel Vetter if (!crtc) 409fcf93f69SDaniel Vetter return -ENOENT; 410f453ba04SDave Airlie 41164c32b49SVille Syrjälä plane = crtc->primary; 41264c32b49SVille Syrjälä 413f453ba04SDave Airlie crtc_resp->gamma_size = crtc->gamma_size; 414de7b6be7SDaniel Stone 41564c32b49SVille Syrjälä drm_modeset_lock(&plane->mutex, NULL); 41664c32b49SVille Syrjälä if (plane->state && plane->state->fb) 41764c32b49SVille Syrjälä crtc_resp->fb_id = plane->state->fb->base.id; 41864c32b49SVille Syrjälä else if (!plane->state && plane->fb) 41964c32b49SVille Syrjälä crtc_resp->fb_id = plane->fb->base.id; 420f453ba04SDave Airlie else 421f453ba04SDave Airlie crtc_resp->fb_id = 0; 422f453ba04SDave Airlie 42364c32b49SVille Syrjälä if (plane->state) { 42464c32b49SVille Syrjälä crtc_resp->x = plane->state->src_x >> 16; 42564c32b49SVille Syrjälä crtc_resp->y = plane->state->src_y >> 16; 4262c77bb29SDaniel Vetter } 42764c32b49SVille Syrjälä drm_modeset_unlock(&plane->mutex); 4282c77bb29SDaniel Vetter 4292c77bb29SDaniel Vetter drm_modeset_lock(&crtc->mutex, NULL); 4302c77bb29SDaniel Vetter if (crtc->state) { 43131c946e8SDaniel Vetter if (crtc->state->enable) { 432934a8a89SDaniel Stone drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); 43331c946e8SDaniel Vetter crtc_resp->mode_valid = 1; 43431c946e8SDaniel Vetter } else { 43531c946e8SDaniel Vetter crtc_resp->mode_valid = 0; 43631c946e8SDaniel Vetter } 43731c946e8SDaniel Vetter } else { 43831c946e8SDaniel Vetter crtc_resp->x = crtc->x; 43931c946e8SDaniel Vetter crtc_resp->y = crtc->y; 440bf2d5eb9SVille Syrjälä 44131c946e8SDaniel Vetter if (crtc->enabled) { 442934a8a89SDaniel Stone drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->mode); 443f453ba04SDave Airlie crtc_resp->mode_valid = 1; 444f453ba04SDave Airlie 445f453ba04SDave Airlie } else { 446f453ba04SDave Airlie crtc_resp->mode_valid = 0; 447f453ba04SDave Airlie } 44831c946e8SDaniel Vetter } 449ace5bf0eSAnkit Nautiyal if (!file_priv->aspect_ratio_allowed) 450ace5bf0eSAnkit Nautiyal crtc_resp->mode.flags &= ~DRM_MODE_FLAG_PIC_AR_MASK; 4512c77bb29SDaniel Vetter drm_modeset_unlock(&crtc->mutex); 452f453ba04SDave Airlie 453baf698b0SDaniel Vetter return 0; 454f453ba04SDave Airlie } 455f453ba04SDave Airlie 4562ceb585aSDaniel Vetter static int __drm_mode_set_config_internal(struct drm_mode_set *set, 4572ceb585aSDaniel Vetter struct drm_modeset_acquire_ctx *ctx) 4582d13b679SDaniel Vetter { 4592d13b679SDaniel Vetter struct drm_crtc *crtc = set->crtc; 4605cef29aaSDaniel Vetter struct drm_framebuffer *fb; 4615cef29aaSDaniel Vetter struct drm_crtc *tmp; 462b0d12325SDaniel Vetter int ret; 4632d13b679SDaniel Vetter 46469a8a196SVille Syrjälä WARN_ON(drm_drv_uses_atomic_modeset(crtc->dev)); 46569a8a196SVille Syrjälä 4665cef29aaSDaniel Vetter /* 4675cef29aaSDaniel Vetter * NOTE: ->set_config can also disable other crtcs (if we steal all 4685cef29aaSDaniel Vetter * connectors from it), hence we need to refcount the fbs across all 4695cef29aaSDaniel Vetter * crtcs. Atomic modeset will have saner semantics ... 4705cef29aaSDaniel Vetter */ 4713ed70ecdSVille Syrjälä drm_for_each_crtc(tmp, crtc->dev) { 4723ed70ecdSVille Syrjälä struct drm_plane *plane = tmp->primary; 4733ed70ecdSVille Syrjälä 4743ed70ecdSVille Syrjälä plane->old_fb = plane->fb; 4753ed70ecdSVille Syrjälä } 4765cef29aaSDaniel Vetter 477b0d12325SDaniel Vetter fb = set->fb; 478b0d12325SDaniel Vetter 479a4eff9aaSDaniel Vetter ret = crtc->funcs->set_config(set, ctx); 480b0d12325SDaniel Vetter if (ret == 0) { 481e00fb856SVille Syrjälä struct drm_plane *plane = crtc->primary; 482e00fb856SVille Syrjälä 483e00fb856SVille Syrjälä plane->crtc = fb ? crtc : NULL; 484e00fb856SVille Syrjälä plane->fb = fb; 485e00fb856SVille Syrjälä } 486cc85e121SDaniel Vetter 487e4f62546SDaniel Vetter drm_for_each_crtc(tmp, crtc->dev) { 4883ed70ecdSVille Syrjälä struct drm_plane *plane = tmp->primary; 4893ed70ecdSVille Syrjälä 4903ed70ecdSVille Syrjälä if (plane->fb) 4913ed70ecdSVille Syrjälä drm_framebuffer_get(plane->fb); 4923ed70ecdSVille Syrjälä if (plane->old_fb) 4933ed70ecdSVille Syrjälä drm_framebuffer_put(plane->old_fb); 4943ed70ecdSVille Syrjälä plane->old_fb = NULL; 495b0d12325SDaniel Vetter } 496b0d12325SDaniel Vetter 497b0d12325SDaniel Vetter return ret; 4982d13b679SDaniel Vetter } 49969a8a196SVille Syrjälä 500d49473a5SDaniel Vetter /** 501d49473a5SDaniel Vetter * drm_mode_set_config_internal - helper to call &drm_mode_config_funcs.set_config 502d49473a5SDaniel Vetter * @set: modeset config to set 503d49473a5SDaniel Vetter * 504d49473a5SDaniel Vetter * This is a little helper to wrap internal calls to the 505d49473a5SDaniel Vetter * &drm_mode_config_funcs.set_config driver interface. The only thing it adds is 506d49473a5SDaniel Vetter * correct refcounting dance. 507d49473a5SDaniel Vetter * 508d49473a5SDaniel Vetter * This should only be used by non-atomic legacy drivers. 509d49473a5SDaniel Vetter * 510d49473a5SDaniel Vetter * Returns: 511d49473a5SDaniel Vetter * Zero on success, negative errno on failure. 512d49473a5SDaniel Vetter */ 513d49473a5SDaniel Vetter int drm_mode_set_config_internal(struct drm_mode_set *set) 514d49473a5SDaniel Vetter { 515d49473a5SDaniel Vetter WARN_ON(drm_drv_uses_atomic_modeset(set->crtc->dev)); 516d49473a5SDaniel Vetter 5172ceb585aSDaniel Vetter return __drm_mode_set_config_internal(set, NULL); 518d49473a5SDaniel Vetter } 5192d13b679SDaniel Vetter EXPORT_SYMBOL(drm_mode_set_config_internal); 5202d13b679SDaniel Vetter 521af93629dSMatt Roper /** 522af93629dSMatt Roper * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the 523af93629dSMatt Roper * CRTC viewport 524af93629dSMatt Roper * @crtc: CRTC that framebuffer will be displayed on 525af93629dSMatt Roper * @x: x panning 526af93629dSMatt Roper * @y: y panning 527af93629dSMatt Roper * @mode: mode that framebuffer will be displayed under 528af93629dSMatt Roper * @fb: framebuffer to check size of 529c11e9283SDamien Lespiau */ 530af93629dSMatt Roper int drm_crtc_check_viewport(const struct drm_crtc *crtc, 531c11e9283SDamien Lespiau int x, int y, 532c11e9283SDamien Lespiau const struct drm_display_mode *mode, 533c11e9283SDamien Lespiau const struct drm_framebuffer *fb) 534c11e9283SDamien Lespiau 535c11e9283SDamien Lespiau { 536c11e9283SDamien Lespiau int hdisplay, vdisplay; 537c11e9283SDamien Lespiau 538196cd5d3SDaniel Vetter drm_mode_get_hv_timing(mode, &hdisplay, &vdisplay); 539a0c1bbb0SDamien Lespiau 54033e0be63SVille Syrjälä if (crtc->state && 541bd2ef25dSVille Syrjälä drm_rotation_90_or_270(crtc->primary->state->rotation)) 542c11e9283SDamien Lespiau swap(hdisplay, vdisplay); 543c11e9283SDamien Lespiau 54443968d7bSDaniel Vetter return drm_framebuffer_check_src_coords(x << 16, y << 16, 54543968d7bSDaniel Vetter hdisplay << 16, vdisplay << 16, 54643968d7bSDaniel Vetter fb); 547c11e9283SDamien Lespiau } 548af93629dSMatt Roper EXPORT_SYMBOL(drm_crtc_check_viewport); 549c11e9283SDamien Lespiau 5502d13b679SDaniel Vetter /** 551f453ba04SDave Airlie * drm_mode_setcrtc - set CRTC configuration 552065a50edSDaniel Vetter * @dev: drm device for the ioctl 553065a50edSDaniel Vetter * @data: data pointer for the ioctl 554065a50edSDaniel Vetter * @file_priv: drm file for the ioctl call 555f453ba04SDave Airlie * 556f453ba04SDave Airlie * Build a new CRTC configuration based on user request. 557f453ba04SDave Airlie * 558f453ba04SDave Airlie * Called by the user via ioctl. 559f453ba04SDave Airlie * 560c8e32cc1SDaniel Vetter * Returns: 5611a498633SDaniel Vetter * Zero on success, negative errno on failure. 562f453ba04SDave Airlie */ 563f453ba04SDave Airlie int drm_mode_setcrtc(struct drm_device *dev, void *data, 564f453ba04SDave Airlie struct drm_file *file_priv) 565f453ba04SDave Airlie { 566f453ba04SDave Airlie struct drm_mode_config *config = &dev->mode_config; 567f453ba04SDave Airlie struct drm_mode_crtc *crtc_req = data; 5686653cc8dSVille Syrjälä struct drm_crtc *crtc; 56964c32b49SVille Syrjälä struct drm_plane *plane; 570f453ba04SDave Airlie struct drm_connector **connector_set = NULL, *connector; 571f453ba04SDave Airlie struct drm_framebuffer *fb = NULL; 572f453ba04SDave Airlie struct drm_display_mode *mode = NULL; 573f453ba04SDave Airlie struct drm_mode_set set; 574f453ba04SDave Airlie uint32_t __user *set_connectors_ptr; 5752ceb585aSDaniel Vetter struct drm_modeset_acquire_ctx ctx; 5764a1b0714SLaurent Pinchart int ret; 577f453ba04SDave Airlie int i; 578f453ba04SDave Airlie 579fb3b06c8SDave Airlie if (!drm_core_check_feature(dev, DRIVER_MODESET)) 580fb3b06c8SDave Airlie return -EINVAL; 581fb3b06c8SDave Airlie 58201447e9fSZhao Junwang /* 58301447e9fSZhao Junwang * Universal plane src offsets are only 16.16, prevent havoc for 58401447e9fSZhao Junwang * drivers using universal plane code internally. 58501447e9fSZhao Junwang */ 58601447e9fSZhao Junwang if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) 5871d97e915SVille Syrjälä return -ERANGE; 5881d97e915SVille Syrjälä 589418da172SKeith Packard crtc = drm_crtc_find(dev, file_priv, crtc_req->crtc_id); 590a2b34e22SRob Clark if (!crtc) { 59158367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); 5922ceb585aSDaniel Vetter return -ENOENT; 593f453ba04SDave Airlie } 594fa3ab4c2SVille Syrjälä DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); 595f453ba04SDave Airlie 59664c32b49SVille Syrjälä plane = crtc->primary; 59764c32b49SVille Syrjälä 59853552d5dSDaniel Vetter mutex_lock(&crtc->dev->mode_config.mutex); 5993fa6a073SMaarten Lankhorst drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); 6002ceb585aSDaniel Vetter retry: 6012ceb585aSDaniel Vetter ret = drm_modeset_lock_all_ctx(crtc->dev, &ctx); 6022ceb585aSDaniel Vetter if (ret) 6032ceb585aSDaniel Vetter goto out; 604bf2d5eb9SVille Syrjälä 605f453ba04SDave Airlie if (crtc_req->mode_valid) { 606f453ba04SDave Airlie /* If we have a mode we need a framebuffer. */ 607f453ba04SDave Airlie /* If we pass -1, set the mode with the currently bound fb */ 608f453ba04SDave Airlie if (crtc_req->fb_id == -1) { 609a36c027dSVille Syrjälä struct drm_framebuffer *old_fb; 610a36c027dSVille Syrjälä 611a36c027dSVille Syrjälä if (plane->state) 612a36c027dSVille Syrjälä old_fb = plane->state->fb; 613a36c027dSVille Syrjälä else 614a36c027dSVille Syrjälä old_fb = plane->fb; 615a36c027dSVille Syrjälä 616a36c027dSVille Syrjälä if (!old_fb) { 6176653cc8dSVille Syrjälä DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); 6186653cc8dSVille Syrjälä ret = -EINVAL; 6196653cc8dSVille Syrjälä goto out; 6206653cc8dSVille Syrjälä } 621bf2d5eb9SVille Syrjälä 622a36c027dSVille Syrjälä fb = old_fb; 623b0d12325SDaniel Vetter /* Make refcounting symmetric with the lookup path. */ 624a4a69da0SThierry Reding drm_framebuffer_get(fb); 625f453ba04SDave Airlie } else { 626418da172SKeith Packard fb = drm_framebuffer_lookup(dev, file_priv, crtc_req->fb_id); 627786b99edSDaniel Vetter if (!fb) { 62858367ed6SZhao Yakui DRM_DEBUG_KMS("Unknown FB ID%d\n", 62958367ed6SZhao Yakui crtc_req->fb_id); 63037c4e705SVille Syrjälä ret = -ENOENT; 631f453ba04SDave Airlie goto out; 632f453ba04SDave Airlie } 633f453ba04SDave Airlie } 634f453ba04SDave Airlie 635f453ba04SDave Airlie mode = drm_mode_create(dev); 636ee34ab5bSVille Syrjälä if (!mode) { 637ee34ab5bSVille Syrjälä ret = -ENOMEM; 638ee34ab5bSVille Syrjälä goto out; 639ee34ab5bSVille Syrjälä } 640ace5bf0eSAnkit Nautiyal if (!file_priv->aspect_ratio_allowed && 641ace5bf0eSAnkit Nautiyal (crtc_req->mode.flags & DRM_MODE_FLAG_PIC_AR_MASK) != DRM_MODE_FLAG_PIC_AR_NONE) { 642ace5bf0eSAnkit Nautiyal DRM_DEBUG_KMS("Unexpected aspect-ratio flag bits\n"); 643ace5bf0eSAnkit Nautiyal ret = -EINVAL; 644ace5bf0eSAnkit Nautiyal goto out; 645ace5bf0eSAnkit Nautiyal } 646ace5bf0eSAnkit Nautiyal 647ee34ab5bSVille Syrjälä 64875a655e0SVille Syrjälä ret = drm_mode_convert_umode(dev, mode, &crtc_req->mode); 64990367bf6SVille Syrjälä if (ret) { 6506ab0edf4SVille Syrjälä DRM_DEBUG_KMS("Invalid mode (ret=%d, status=%s)\n", 6516ab0edf4SVille Syrjälä ret, drm_get_mode_status_name(mode->status)); 6526ab0edf4SVille Syrjälä drm_mode_debug_printmodeline(mode); 65390367bf6SVille Syrjälä goto out; 65490367bf6SVille Syrjälä } 65590367bf6SVille Syrjälä 6567eb5f302SLaurent Pinchart /* 6577eb5f302SLaurent Pinchart * Check whether the primary plane supports the fb pixel format. 6587eb5f302SLaurent Pinchart * Drivers not implementing the universal planes API use a 6597eb5f302SLaurent Pinchart * default formats list provided by the DRM core which doesn't 6607eb5f302SLaurent Pinchart * match real hardware capabilities. Skip the check in that 6617eb5f302SLaurent Pinchart * case. 6627eb5f302SLaurent Pinchart */ 66364c32b49SVille Syrjälä if (!plane->format_default) { 66464c32b49SVille Syrjälä ret = drm_plane_check_pixel_format(plane, 66523163a7dSVille Syrjälä fb->format->format, 66623163a7dSVille Syrjälä fb->modifier); 6677eb5f302SLaurent Pinchart if (ret) { 668b3c11ac2SEric Engestrom struct drm_format_name_buf format_name; 66923163a7dSVille Syrjälä DRM_DEBUG_KMS("Invalid pixel format %s, modifier 0x%llx\n", 670438b74a5SVille Syrjälä drm_get_format_name(fb->format->format, 67123163a7dSVille Syrjälä &format_name), 67223163a7dSVille Syrjälä fb->modifier); 6737eb5f302SLaurent Pinchart goto out; 6747eb5f302SLaurent Pinchart } 6757eb5f302SLaurent Pinchart } 6767eb5f302SLaurent Pinchart 677c11e9283SDamien Lespiau ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, 678c11e9283SDamien Lespiau mode, fb); 679c11e9283SDamien Lespiau if (ret) 6805f61bb42SVille Syrjälä goto out; 681c11e9283SDamien Lespiau 682f453ba04SDave Airlie } 683f453ba04SDave Airlie 684f453ba04SDave Airlie if (crtc_req->count_connectors == 0 && mode) { 68558367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); 686f453ba04SDave Airlie ret = -EINVAL; 687f453ba04SDave Airlie goto out; 688f453ba04SDave Airlie } 689f453ba04SDave Airlie 6907781de74SJakob Bornecrantz if (crtc_req->count_connectors > 0 && (!mode || !fb)) { 69158367ed6SZhao Yakui DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", 692f453ba04SDave Airlie crtc_req->count_connectors); 693f453ba04SDave Airlie ret = -EINVAL; 694f453ba04SDave Airlie goto out; 695f453ba04SDave Airlie } 696f453ba04SDave Airlie 697f453ba04SDave Airlie if (crtc_req->count_connectors > 0) { 698f453ba04SDave Airlie u32 out_id; 699f453ba04SDave Airlie 700f453ba04SDave Airlie /* Avoid unbounded kernel memory allocation */ 701f453ba04SDave Airlie if (crtc_req->count_connectors > config->num_connector) { 702f453ba04SDave Airlie ret = -EINVAL; 703f453ba04SDave Airlie goto out; 704f453ba04SDave Airlie } 705f453ba04SDave Airlie 7062f6c5389SThierry Reding connector_set = kmalloc_array(crtc_req->count_connectors, 707f453ba04SDave Airlie sizeof(struct drm_connector *), 708f453ba04SDave Airlie GFP_KERNEL); 709f453ba04SDave Airlie if (!connector_set) { 710f453ba04SDave Airlie ret = -ENOMEM; 711f453ba04SDave Airlie goto out; 712f453ba04SDave Airlie } 713f453ba04SDave Airlie 714f453ba04SDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 715b164d31fSDave Airlie connector_set[i] = NULL; 71681f6c7f8SVille Syrjälä set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; 717f453ba04SDave Airlie if (get_user(out_id, &set_connectors_ptr[i])) { 718f453ba04SDave Airlie ret = -EFAULT; 719f453ba04SDave Airlie goto out; 720f453ba04SDave Airlie } 721f453ba04SDave Airlie 722418da172SKeith Packard connector = drm_connector_lookup(dev, file_priv, out_id); 723a2b34e22SRob Clark if (!connector) { 72458367ed6SZhao Yakui DRM_DEBUG_KMS("Connector id %d unknown\n", 72558367ed6SZhao Yakui out_id); 726f27657f2SVille Syrjälä ret = -ENOENT; 727f453ba04SDave Airlie goto out; 728f453ba04SDave Airlie } 7299440106bSJerome Glisse DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", 7309440106bSJerome Glisse connector->base.id, 73125933820SJani Nikula connector->name); 732f453ba04SDave Airlie 733f453ba04SDave Airlie connector_set[i] = connector; 734f453ba04SDave Airlie } 735f453ba04SDave Airlie } 736f453ba04SDave Airlie 737f453ba04SDave Airlie set.crtc = crtc; 738f453ba04SDave Airlie set.x = crtc_req->x; 739f453ba04SDave Airlie set.y = crtc_req->y; 740f453ba04SDave Airlie set.mode = mode; 741f453ba04SDave Airlie set.connectors = connector_set; 742f453ba04SDave Airlie set.num_connectors = crtc_req->count_connectors; 743f453ba04SDave Airlie set.fb = fb; 74469a8a196SVille Syrjälä 74569a8a196SVille Syrjälä if (drm_drv_uses_atomic_modeset(dev)) 74669a8a196SVille Syrjälä ret = crtc->funcs->set_config(&set, &ctx); 74769a8a196SVille Syrjälä else 7482ceb585aSDaniel Vetter ret = __drm_mode_set_config_internal(&set, &ctx); 749f453ba04SDave Airlie 750f453ba04SDave Airlie out: 751b0d12325SDaniel Vetter if (fb) 752a4a69da0SThierry Reding drm_framebuffer_put(fb); 753b0d12325SDaniel Vetter 754b164d31fSDave Airlie if (connector_set) { 755b164d31fSDave Airlie for (i = 0; i < crtc_req->count_connectors; i++) { 756b164d31fSDave Airlie if (connector_set[i]) 757ad093607SThierry Reding drm_connector_put(connector_set[i]); 758b164d31fSDave Airlie } 759b164d31fSDave Airlie } 760f453ba04SDave Airlie kfree(connector_set); 761ee34ab5bSVille Syrjälä drm_mode_destroy(dev, mode); 7622ceb585aSDaniel Vetter if (ret == -EDEADLK) { 7633fa6a073SMaarten Lankhorst ret = drm_modeset_backoff(&ctx); 7643fa6a073SMaarten Lankhorst if (!ret) 7652ceb585aSDaniel Vetter goto retry; 7662ceb585aSDaniel Vetter } 7672ceb585aSDaniel Vetter drm_modeset_drop_locks(&ctx); 7682ceb585aSDaniel Vetter drm_modeset_acquire_fini(&ctx); 76953552d5dSDaniel Vetter mutex_unlock(&crtc->dev->mode_config.mutex); 7702ceb585aSDaniel Vetter 771f453ba04SDave Airlie return ret; 772f453ba04SDave Airlie } 773f453ba04SDave Airlie 774949619f3SDaniel Vetter int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, 775bffd9de0SPaulo Zanoni struct drm_property *property, 776bffd9de0SPaulo Zanoni uint64_t value) 777bffd9de0SPaulo Zanoni { 778bffd9de0SPaulo Zanoni int ret = -EINVAL; 779bffd9de0SPaulo Zanoni struct drm_crtc *crtc = obj_to_crtc(obj); 780bffd9de0SPaulo Zanoni 781bffd9de0SPaulo Zanoni if (crtc->funcs->set_property) 782bffd9de0SPaulo Zanoni ret = crtc->funcs->set_property(crtc, property, value); 783144a7999SDaniel Vetter if (!ret) 784bffd9de0SPaulo Zanoni drm_object_property_set_value(obj, property, value); 785bffd9de0SPaulo Zanoni 786bffd9de0SPaulo Zanoni return ret; 787bffd9de0SPaulo Zanoni } 788