[PATCH] drm/amdgpu/vcn: port mmsch ctx table size fix from jpeg v4

[JingWen Chen]

feel free to add

Reviewed-by: Jingwen Chen <Jingwen.Chen2 at amd.com>

On 2024/6/12 11:41, Jane Jian wrote:
> add jpeg table size to ctx table size rather than override it
>
> v2:
> save jpeg header info otherwise it will lose debug info
> Signed-off-by: Jane Jian <Jane.Jian at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
> index 04d8966423de..ba052b104668 100644
> --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
> +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
> @@ -200,9 +200,12 @@ static int jpeg_v4_0_3_start_sriov(struct amdgpu_device *adev)
>  	for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
>  		jpeg_inst = GET_INST(JPEG, i);
>  
> -		memset(&header, 0, sizeof(struct mmsch_v4_0_3_init_header));
> +		size = sizeof(struct mmsch_v4_0_3_init_header);
> +		table_loc = (uint32_t *)table->cpu_addr;
> +		memcpy(&header, (void *)table_loc, size);
> +
>  		header.version = MMSCH_VERSION;
> -		header.total_size = sizeof(struct mmsch_v4_0_3_init_header) >> 2;
> +		header.total_size = RREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_SIZE);
>  
>  		table_loc = (uint32_t *)table->cpu_addr;
>  		table_loc += header.total_size;

-- 
Best Regards,
JingWen Chen