drm/radeon: avoid UVD corruptions on AGP cards

Putting everything into VRAM seems to help.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 27ea00489ecc..ac6ece61a476 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -81,9 +81,11 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
                 p->relocs[i].lobj.bo = p->relocs[i].robj;
                 p->relocs[i].lobj.written = !!r->write_domain;
 
-                /* the first reloc of an UVD job is the
-                   msg and that must be in VRAM */
-                if (p->ring == R600_RING_TYPE_UVD_INDEX && i == 0) {
+                /* the first reloc of an UVD job is the msg and that must be in
+                   VRAM, also but everything into VRAM on AGP cards to avoid
+                   image corruptions */
+                if (p->ring == R600_RING_TYPE_UVD_INDEX &&
+                    (i == 0 || p->rdev->flags & RADEON_IS_AGP)) {
                         /* TODO: is this still needed for NI+ ? */
                         p->relocs[i].lobj.domain =
                                 RADEON_GEM_DOMAIN_VRAM;