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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-06-07 19:09:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-06-07 19:09:17 -0700 |
| commit | 12871a0bd67dd4db4418e1daafcd46e9d329ef10 (patch) | |
| tree | faf782dd816040d6cdaaccd7113956d8d29cd0e5 /drivers/gpu/drm/radeon/radeon_display.c | |
| parent | ecff4fcc7bbaf060646d2160123f8dc02605a047 (diff) | |
| parent | f3aeceac61b6e2f3167717ea1793472108e47564 (diff) | |
Merge branch 'drm-radeon-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-radeon-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/radeon/kms/atom: fix PHY init
drm/radeon/kms: add missing Evergreen texture formats to the CS parser
drm/radeon/kms: viewport height has to be even
drm/radeon/kms: remove duplicate reg from r600 safe regs
drm/radeon/kms: add support for Llano Fusion APUs
drm/radeon/kms: add llano pci ids
drm/radeon/kms: fill in asic struct for llano
drm/radeon/kms: add family ids for llano APUs
drm/radeon: fix oops in ttm reserve when pageflipping (v2)
drm/radeon/kms: clean up the radeon kms Kconfig
drm/radeon/kms: fix thermal sensor reading on juniper
drm/radeon/kms: add missing case for cayman thermal sensor
drm/radeon/kms: add blit support for cayman (v2)
drm/radeon/kms/blit: workaround some hw issues on evergreen+
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index ae247eec87c..292f73f0ddb 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -264,6 +264,8 @@ static void radeon_unpin_work_func(struct work_struct *__work) radeon_bo_unreserve(work->old_rbo); } else DRM_ERROR("failed to reserve buffer after flip\n"); + + drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); kfree(work); } @@ -371,6 +373,8 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc, new_radeon_fb = to_radeon_framebuffer(fb); /* schedule unpin of the old buffer */ obj = old_radeon_fb->obj; + /* take a reference to the old object */ + drm_gem_object_reference(obj); rbo = gem_to_radeon_bo(obj); work->old_rbo = rbo; INIT_WORK(&work->work, radeon_unpin_work_func); @@ -378,12 +382,9 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc, /* We borrow the event spin lock for protecting unpin_work */ spin_lock_irqsave(&dev->event_lock, flags); if (radeon_crtc->unpin_work) { - spin_unlock_irqrestore(&dev->event_lock, flags); - kfree(work); - radeon_fence_unref(&fence); - DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); - return -EBUSY; + r = -EBUSY; + goto unlock_free; } radeon_crtc->unpin_work = work; radeon_crtc->deferred_flip_completion = 0; @@ -497,6 +498,8 @@ pflip_cleanup1: pflip_cleanup: spin_lock_irqsave(&dev->event_lock, flags); radeon_crtc->unpin_work = NULL; +unlock_free: + drm_gem_object_unreference_unlocked(old_radeon_fb->obj); spin_unlock_irqrestore(&dev->event_lock, flags); radeon_fence_unref(&fence); kfree(work); |