On Tue, Sep 11, 2018 at 03:15:12PM -0400, David Francis wrote:
> DMCU (Display Microcontroller Unit) is a GPU chip involved in
> eDP features like Adaptive Backlight Modulation and Panel Self
> Refresh.
> 
> PSP is already equipped to handle DMCU firmware loading, all
> that is needed is to translate between the new DMCU ucode ID and
> the equivalent psp_gfx_fw_type.
> 
> Signed-off-by: David Francis <[email protected]>

Reviewed-by: Huang Rui <[email protected]>

> ---
>  drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c 
> b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
> index 02be34e72ed9..240dc8c85867 100644
> --- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
> @@ -91,6 +91,12 @@ psp_v10_0_get_fw_type(struct amdgpu_firmware_info *ucode, 
> enum psp_gfx_fw_type *
>       case AMDGPU_UCODE_ID_VCN:
>               *type = GFX_FW_TYPE_VCN;
>               break;
> +     case AMDGPU_UCODE_ID_DMCU_ERAM:
> +             *type = GFX_FW_TYPE_DMCU_ERAM;
> +             break;
> +     case AMDGPU_UCODE_ID_DMCU_INTV:
> +             *type = GFX_FW_TYPE_DMCU_ISR;
> +             break;
>       case AMDGPU_UCODE_ID_MAXIMUM:
>       default:
>               return -EINVAL;
> -- 
> 2.17.1
> 
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