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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)
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 f1c15754e73..b79f4f5cdd6 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);