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authorChristian König <christian.koenig@amd.com>2013-11-12 15:58:05 +0400
committerAlex Deucher <alexander.deucher@amd.com>2013-11-16 00:56:09 +0400
commit1654b817d8f5f1c27ebc98773fe0e517b0ba2f1e (patch)
treeb12139b37c3d712973baabfd5f8142728e36ef2a /drivers/gpu/drm/radeon/uvd_v1_0.c
parentbd80c8ba995c1dbdddee14acc55c541c499e0442 (diff)
downloadlinux-1654b817d8f5f1c27ebc98773fe0e517b0ba2f1e.tar.xz
drm/radeon: allow semaphore emission to fail
To workaround bugs and/or certain limits it's sometimes useful to fall back to waiting on fences. Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/uvd_v1_0.c')
-rw-r--r--drivers/gpu/drm/radeon/uvd_v1_0.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c
index 7266805d9786..d4a68af1a279 100644
--- a/drivers/gpu/drm/radeon/uvd_v1_0.c
+++ b/drivers/gpu/drm/radeon/uvd_v1_0.c
@@ -357,7 +357,7 @@ int uvd_v1_0_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
*
* Emit a semaphore command (either wait or signal) to the UVD ring.
*/
-void uvd_v1_0_semaphore_emit(struct radeon_device *rdev,
+bool uvd_v1_0_semaphore_emit(struct radeon_device *rdev,
struct radeon_ring *ring,
struct radeon_semaphore *semaphore,
bool emit_wait)
@@ -372,6 +372,8 @@ void uvd_v1_0_semaphore_emit(struct radeon_device *rdev,
radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
radeon_ring_write(ring, emit_wait ? 1 : 0);
+
+ return true;
}
/**