drm/amdgpu: disable coarse grain clockgating for ST

The CGCG feature  on Stoney is causing GFX related
issues such as freezes and blank outs.

Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Arindam Nath <arindam.nath@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index da2b99c2d95f06953d285b0e6bbd4093e768f423..5bd10f52ca8af2ced6e06c0989078282a7bae0e9 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -1022,7 +1022,6 @@ static int vi_common_early_init(void *handle)
                        AMD_CG_SUPPORT_GFX_CP_LS |
                        AMD_CG_SUPPORT_GFX_CGTS |
                        AMD_CG_SUPPORT_GFX_CGTS_LS |
-                       AMD_CG_SUPPORT_GFX_CGCG |
                        AMD_CG_SUPPORT_GFX_CGLS |
                        AMD_CG_SUPPORT_BIF_LS |
                        AMD_CG_SUPPORT_HDP_MGCG |