Re: [PATCH] drm/amdgpu: enable SDMA MGCG for SDMA 5.2.x

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On Tue, Jul 25, 2023 at 5:20 AM Prike Liang <Prike.Liang@xxxxxxx> wrote:
>
> Now the SDMA firmware support SDMA MGCG properly,
> so let's enable it from the driver side.

If this is only supported on certain firmware versions, do we need a
version check?

Alex


>
> Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/nv.c        | 6 ++++--
>  drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 1 +
>  2 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
> index 6853b93ac82e..9bf7872e260d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/nv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/nv.c
> @@ -901,7 +901,8 @@ static int nv_common_early_init(void *handle)
>                         AMD_CG_SUPPORT_ATHUB_LS |
>                         AMD_CG_SUPPORT_IH_CG |
>                         AMD_CG_SUPPORT_VCN_MGCG |
> -                       AMD_CG_SUPPORT_JPEG_MGCG;
> +                       AMD_CG_SUPPORT_JPEG_MGCG |
> +                       AMD_CG_SUPPORT_SDMA_MGCG;
>                 adev->pg_flags = AMD_PG_SUPPORT_GFX_PG |
>                         AMD_PG_SUPPORT_VCN |
>                         AMD_PG_SUPPORT_VCN_DPG |
> @@ -962,7 +963,8 @@ static int nv_common_early_init(void *handle)
>                         AMD_CG_SUPPORT_ATHUB_LS |
>                         AMD_CG_SUPPORT_IH_CG |
>                         AMD_CG_SUPPORT_VCN_MGCG |
> -                       AMD_CG_SUPPORT_JPEG_MGCG;
> +                       AMD_CG_SUPPORT_JPEG_MGCG |
> +                       AMD_CG_SUPPORT_SDMA_MGCG;
>                 adev->pg_flags = AMD_PG_SUPPORT_VCN |
>                         AMD_PG_SUPPORT_VCN_DPG |
>                         AMD_PG_SUPPORT_JPEG |
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
> index 809eca54fc61..f8b6a2637d1d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
> @@ -1653,6 +1653,7 @@ static int sdma_v5_2_set_clockgating_state(void *handle,
>         case IP_VERSION(5, 2, 5):
>         case IP_VERSION(5, 2, 6):
>         case IP_VERSION(5, 2, 3):
> +       case IP_VERSION(5, 2, 7):
>                 sdma_v5_2_update_medium_grain_clock_gating(adev,
>                                 state == AMD_CG_STATE_GATE);
>                 sdma_v5_2_update_medium_grain_light_sleep(adev,
> --
> 2.34.1
>




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