[PATCH] amd/amdgpu: Disable VCN DPG mode for Picasso

Leo Liu leo.liu at amd.com
Fri Oct 30 17:14:00 UTC 2020


Reviewed-by: Leo Liu <leo.liu at amd.com>

On 2020-10-30 1:10 p.m., veerabadhran.gopalakrishnan at amd.com wrote:
> From: Veerabadhran Gopalakrishnan <veerabadhran.gopalakrishnan at amd.com>
>
> Concurrent operation of VCN and JPEG decoder in DPG mode is
> causing ring timeout due to power state.
>
> Signed-off-by: Veerabadhran Gopalakrishnan <veerabadhran.gopalakrishnan at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/soc15.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
> index ed7342bbf801..f57c5f57efa8 100644
> --- a/drivers/gpu/drm/amd/amdgpu/soc15.c
> +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
> @@ -1195,8 +1195,7 @@ static int soc15_common_early_init(void *handle)
>   
>   			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
>   				AMD_PG_SUPPORT_MMHUB |
> -				AMD_PG_SUPPORT_VCN |
> -				AMD_PG_SUPPORT_VCN_DPG;
> +				AMD_PG_SUPPORT_VCN;
>   		} else {
>   			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
>   				AMD_CG_SUPPORT_GFX_MGLS |


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