summary refs log tree commit diff
path: root/drivers/gpu
diff options
context:
space:
mode:
authorChristian König <christian.koenig@amd.com>2013-08-11 21:27:56 +0200
committerAlex Deucher <alexander.deucher@amd.com>2013-08-12 10:46:02 -0400
commit112a6d0c071808f6d48354fc8834a574e5dcefc0 (patch)
tree189b305f066048bcd0a560b89080bce92ad2ac5c /drivers/gpu
parente42f5814212079aecd5826dba10588a896ac0862 (diff)
downloadlinux-112a6d0c071808f6d48354fc8834a574e5dcefc0.tar.gz
drm/radeon: fix UVD message buffer validation
When the message buffer is currently moving block until it is idle again.

Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_uvd.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index f1c15754e73c..b79f4f5cdd62 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -356,6 +356,14 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 		return -EINVAL;
 	}
 
+	if (bo->tbo.sync_obj) {
+		r = radeon_fence_wait(bo->tbo.sync_obj, false);
+		if (r) {
+			DRM_ERROR("Failed waiting for UVD message (%d)!\n", r);
+			return r;
+		}
+	}
+
 	r = radeon_bo_kmap(bo, &ptr);
 	if (r) {
 		DRM_ERROR("Failed mapping the UVD message (%d)!\n", r);