drm/radeon/kms: add HDP flushing for all GPUs.

rendercheck under kms on r600s was failing due to HDP flushing not happening.

This adds HDP flushing to the object wait function for r100->r700 families.

rendercheck passes basic tests on r600 with this change.

Acked-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 1f056dadc5c2..98835f51e35e 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -315,6 +315,7 @@ int radeon_object_wait(struct radeon_object *robj)
         }
         spin_unlock(&robj->tobj.lock);
         radeon_object_unreserve(robj);
+        radeon_hdp_flush(robj->rdev);
         return r;
 }