drm_crtc.c (786b99ed13223d8ac58a937dd348aead45eb8191) drm_crtc.c (362063619cf67c2c2fc2eb90951b2623cbb69a7c)
1/*
2 * Copyright (c) 2006-2008 Intel Corporation
3 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
4 * Copyright (c) 2008 Red Hat Inc.
5 *
6 * DRM core CRTC related functions
7 *
8 * Permission to use, copy, modify, distribute, and sell this software and its

--- 54 unchanged lines hidden (view full) ---

63{
64 struct drm_crtc *crtc;
65
66 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
67 mutex_unlock(&crtc->mutex);
68
69 mutex_unlock(&dev->mode_config.mutex);
70}
1/*
2 * Copyright (c) 2006-2008 Intel Corporation
3 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
4 * Copyright (c) 2008 Red Hat Inc.
5 *
6 * DRM core CRTC related functions
7 *
8 * Permission to use, copy, modify, distribute, and sell this software and its

--- 54 unchanged lines hidden (view full) ---

63{
64 struct drm_crtc *crtc;
65
66 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
67 mutex_unlock(&crtc->mutex);
68
69 mutex_unlock(&dev->mode_config.mutex);
70}
71
71EXPORT_SYMBOL(drm_modeset_unlock_all);
72
73/* Avoid boilerplate. I'm tired of typing. */
74#define DRM_ENUM_NAME_FN(fnname, list) \
75 char *fnname(int val) \
76 { \
77 int i; \
78 for (i = 0; i < ARRAY_SIZE(list); i++) { \

--- 346 unchanged lines hidden (view full) ---

425void drm_framebuffer_reference(struct drm_framebuffer *fb)
426{
427 DRM_DEBUG("FB ID: %d\n", fb->base.id);
428 kref_get(&fb->refcount);
429}
430EXPORT_SYMBOL(drm_framebuffer_reference);
431
432/**
72EXPORT_SYMBOL(drm_modeset_unlock_all);
73
74/* Avoid boilerplate. I'm tired of typing. */
75#define DRM_ENUM_NAME_FN(fnname, list) \
76 char *fnname(int val) \
77 { \
78 int i; \
79 for (i = 0; i < ARRAY_SIZE(list); i++) { \

--- 346 unchanged lines hidden (view full) ---

426void drm_framebuffer_reference(struct drm_framebuffer *fb)
427{
428 DRM_DEBUG("FB ID: %d\n", fb->base.id);
429 kref_get(&fb->refcount);
430}
431EXPORT_SYMBOL(drm_framebuffer_reference);
432
433/**
434 * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr
435 * @fb: fb to unregister
436 *
437 * Drivers need to call this when cleaning up driver-private framebuffers, e.g.
438 * those used for fbdev. Note that the caller must hold a reference of it's own,
439 * i.e. the object may not be destroyed through this call (since it'll lead to a
440 * locking inversion).
441 */
442void drm_framebuffer_unregister_private(struct drm_framebuffer *fb)
443{
444}
445EXPORT_SYMBOL(drm_framebuffer_unregister_private);
446
447/**
433 * drm_framebuffer_cleanup - remove a framebuffer object
434 * @fb: framebuffer to remove
435 *
448 * drm_framebuffer_cleanup - remove a framebuffer object
449 * @fb: framebuffer to remove
450 *
436 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
437 * it, setting it to NULL.
451 * Cleanup references to a user-created framebuffer. This function is intended
452 * to be used from the drivers ->destroy callback.
453 *
454 * Note that this function does not remove the fb from active usuage - if it is
455 * still used anywhere, hilarity can ensue since userspace could call getfb on
456 * the id and get back -EINVAL. Obviously no concern at driver unload time.
457 *
458 * Also, the framebuffer will not be removed from the lookup idr - for
459 * user-created framebuffers this will happen in in the rmfb ioctl. For
460 * driver-private objects (e.g. for fbdev) drivers need to explicitly call
461 * drm_framebuffer_unregister_private.
438 */
439void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
440{
441 struct drm_device *dev = fb->dev;
442
443 /*
444 * This could be moved to drm_framebuffer_remove(), but for
445 * debugging is nice to keep around the list of fb's that are

--- 9 unchanged lines hidden (view full) ---

455}
456EXPORT_SYMBOL(drm_framebuffer_cleanup);
457
458/**
459 * drm_framebuffer_remove - remove and unreference a framebuffer object
460 * @fb: framebuffer to remove
461 *
462 * Scans all the CRTCs and planes in @dev's mode_config. If they're
462 */
463void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
464{
465 struct drm_device *dev = fb->dev;
466
467 /*
468 * This could be moved to drm_framebuffer_remove(), but for
469 * debugging is nice to keep around the list of fb's that are

--- 9 unchanged lines hidden (view full) ---

479}
480EXPORT_SYMBOL(drm_framebuffer_cleanup);
481
482/**
483 * drm_framebuffer_remove - remove and unreference a framebuffer object
484 * @fb: framebuffer to remove
485 *
486 * Scans all the CRTCs and planes in @dev's mode_config. If they're
463 * using @fb, removes it, setting it to NULL.
487 * using @fb, removes it, setting it to NULL. Then drops the reference to the
488 * passed-in framebuffer.
464 */
465void drm_framebuffer_remove(struct drm_framebuffer *fb)
466{
467 struct drm_device *dev = fb->dev;
468 struct drm_crtc *crtc;
469 struct drm_plane *plane;
470 struct drm_mode_set set;
471 int ret;

--- 3482 unchanged lines hidden --- 		489 */
490void drm_framebuffer_remove(struct drm_framebuffer *fb)
491{
492 struct drm_device *dev = fb->dev;
493 struct drm_crtc *crtc;
494 struct drm_plane *plane;
495 struct drm_mode_set set;
496 int ret;

--- 3482 unchanged lines hidden ---