tree 9c0a3e022237745bd947eae81044feac041118da
parent 3feba08d79c32777a845c3c8a4ab93092bdf6f19
author Alex Deucher <alexander.deucher@amd.com> 1416254897 -0500
committer Alex Deucher <alexander.deucher@amd.com> 1416499903 -0500

drm/radeon: work around a hw bug in MGCG on CIK

Always need to set bit 0 of RLC_CGTT_MGCG_OVERRIDE
to avoid unreliable doorbell updates in some cases.

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