ACK: [PATCH 1/1][SRU][B][OEM-B] drm/amdgpu: re-enable CGCG on CZ and disable on ST

[Connor Kuehl]

On 10/30/19 7:25 PM, AceLan Kao wrote:
> From: Shirish S <shirish.s at amd.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1850572
> 
> The CGCG feature on Stoney is causing GFX related
> issues such as freezes and blank outs.
> 
> Signed-off-by: Shirish S <shirish.s at amd.com>
> Reviewed-by: Arindam Nath <arindam.nath at amd.com>
> Acked-by: Alex Deucher <alexander.deucher at amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> (cherry picked from commit fb4bbba2775399149ca902f31eb5c46cc7a8d8b8)
> Signed-off-by: AceLan Kao <acelan.kao at canonical.com>

Acked-by: Connor Kuehl <connor.kuehl at canonical.com>

> ---
>   drivers/gpu/drm/amd/amdgpu/vi.c | 1 -
>   1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
> index 91778e4706bc..18bc16d59452 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vi.c
> @@ -1093,7 +1093,6 @@ 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 |
>