On Wed, Apr 21, 2021 at 03:12:50PM +0800, Su, Jinzhou (Joe) wrote:
> Add flags AMD_CG_SUPPORT_SDMA_MGCG for Vangogh.
> Start to open sdma mgcg from firmware version 70.
>
> Signed-off-by: Jinzhou Su <Jinzhou.Su@xxxxxxx>
Reviewed-by: Huang Rui <ray.huang@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/nv.c | 1 +
> drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 4 ++++
> 2 files changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
> index d54af7f8801b..0142f6760ad2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/nv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/nv.c
> @@ -1118,6 +1118,7 @@ static int nv_common_early_init(void *handle)
> AMD_CG_SUPPORT_MC_LS |
> AMD_CG_SUPPORT_GFX_FGCG |
> AMD_CG_SUPPORT_VCN_MGCG |
> + AMD_CG_SUPPORT_SDMA_MGCG |
> AMD_CG_SUPPORT_JPEG_MGCG;
> adev->pg_flags = AMD_PG_SUPPORT_GFX_PG |
> AMD_PG_SUPPORT_VCN |
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
> index b1ad9e52b234..4ba7fce4c0b4 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
> @@ -1556,6 +1556,10 @@ static void sdma_v5_2_update_medium_grain_clock_gating(struct amdgpu_device *ade
> int i;
>
> for (i = 0; i < adev->sdma.num_instances; i++) {
> +
> + if (adev->sdma.instance[i].fw_version < 70 && adev->asic_type == CHIP_VANGOGH)
> + adev->cg_flags &= ~AMD_CG_SUPPORT_SDMA_MGCG;
> +
> if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
> /* Enable sdma clock gating */
> def = data = RREG32(sdma_v5_2_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
> --
> 2.27.0
>
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