Re: [PATCH 1/2] drm/amdgpu: Initialize RRMT status on JPEG v5.0.1

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On 2/21/2025 8:52 PM, Lijo Lazar wrote:
> Initialize RRMT enablement status from register.
> 
> Signed-off-by: Lijo Lazar <lijo.lazar@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c | 3 +++
>  drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.h | 5 ++++-
>  2 files changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
> index 5d4e2a09acca..0d63af6ac68e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
> +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
> @@ -239,6 +239,9 @@ static int jpeg_v5_0_1_hw_init(struct amdgpu_ip_block *ip_block)
>  		}
>  		return 0;
>  	}
> +	if (RREG32_SOC15(VCN, GET_INST(VCN, 0), regVCN_RRMT_CNTL) & 0x100)
> +		adev->jpeg.caps |= AMDGPU_JPEG_CAPS(RRMT_ENABLED);
> +
>  	for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
>  		jpeg_inst = GET_INST(JPEG, i);
>  		ring = adev->jpeg.inst[i].ring_dec;
> diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.h b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.h
> index 9de3272ef47f..ea1105b11705 100644
> --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.h
> +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.h
> @@ -87,4 +87,7 @@ extern const struct amdgpu_ip_block_version jpeg_v5_0_1_ip_block;
>  #define regUVD_JRBC9_UVD_JRBC_RB_RPTR             0x044a
>  #define regUVD_JRBC9_UVD_JRBC_RB_RPTR_BASE_IDX    1
>  
> -#endif /* __JPEG_V5_0_0_H__ */
> +#define regVCN_RRMT_CNTL                          0x0940
> +#define regVCN_RRMT_CNTL_BASE_IDX                 1
> +
> +#endif /* __JPEG_V5_0_1_H__ */




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