diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-14 16:09:31 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-15 10:33:23 +0000 |
| commit | b7f1de289c50beb4998611ba5373e539efd0f79f (patch) | |
| tree | b5a47897f8372e36012c4ce698a58b73311b0a24 /drivers | |
| parent | c6df541c00e53a4fdff7a130d4365f848075adcc (diff) | |
drm/i915: Wait for vblank before unpinning old fb
Be paranoid and ensure that the vblank has passed and the scanout has
switched to the new fb, before unpinning the old one and possibly
tearing down its PTEs.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f2d50141e0c..840bfc3ae71 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1626,8 +1626,10 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, return ret; } - if (old_fb) + if (old_fb) { + intel_wait_for_vblank(dev, intel_crtc->pipe); i915_gem_object_unpin(to_intel_framebuffer(old_fb)->obj); + } mutex_unlock(&dev->struct_mutex); |