[PATCH] drm/amdgpu: Init GFX10_ADDR_CONFIG for VCN v3 in DPG mode.

Leo Liu leo.liu at amd.com
Wed May 5 02:14:39 UTC 2021


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

On 2021-05-04 9:27 p.m., Bas Nieuwenhuizen wrote:
> Otherwise tiling modes that require the values form this field
> (In particular _*_X) would be corrupted upon video decode.
>
> Copied from the VCN v2 code.
>
> Fixes: 99541f392b4d ("drm/amdgpu: add mc resume DPG mode for VCN3.0")
> Signed-off-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
> ---
>   drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
> index 3f15bf34123a..cf165ab5dd26 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
> @@ -589,6 +589,10 @@ static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx
>   	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
>   			VCN, inst_idx, mmUVD_VCPU_NONCACHE_SIZE0),
>   			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
> +
> +	/* VCN global tiling registers */
> +	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
> +		UVD, 0, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
>   }
>   
>   static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)


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