diff options
| author | Christian König <christian.koenig@amd.com> | 2013-11-05 17:09:54 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-11-06 07:40:59 +0400 |
| commit | 721529b5780dd40d2d27310c69ae2615a878221c (patch) | |
| tree | a495e9082d2a3f8259ac8381646748e40eedf2cb /drivers/gpu/drm/radeon/radeon_fence.c | |
| parent | d9bbf1895f354c8641824e1dd10d0501efd34790 (diff) | |
| download | linux-721529b5780dd40d2d27310c69ae2615a878221c.tar.xz | |
drm/radeon: fix radeon_fence_wait_empty_locked
Don't block forever if there is nothing to wait for.
Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Rafa? Mi?ecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_fence.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_fence.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index b8f68b2c47d4..281d14c22a47 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -510,6 +510,9 @@ int radeon_fence_wait_empty_locked(struct radeon_device *rdev, int ring) int r; seq[ring] = rdev->fence_drv[ring].sync_seq[ring]; + if (!seq[ring]) + return 0; + r = radeon_fence_wait_seq(rdev, seq, false, false); if (r) { if (r == -EDEADLK) |