[PATCH] drm/amd: add dc feature mask flags for PSR allow smu and multi-display optimizations

Harry Wentland harry.wentland at amd.com
Mon Apr 25 19:18:05 UTC 2022


On 2022-04-25 15:10, David Zhang wrote:
> [Why]
> Allow for PSR SMU optimization and PSR multiple display optimization.
> 
> [How]
> Add feature flags of PSR smu optimization and PSR multiple display
> optimiztaion, and set them during init sequence. By default, flags
> are disabled.
> 
> Signed-off-by: David Zhang <dingchen.zhang at amd.com>

Reviewed-by: Harry Wentland <harry.wentland at amd.com>

Harry

> ---
>   drivers/gpu/drm/amd/include/amd_shared.h | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
> index 741dae17562a..06f21e9008c6 100644
> --- a/drivers/gpu/drm/amd/include/amd_shared.h
> +++ b/drivers/gpu/drm/amd/include/amd_shared.h
> @@ -234,6 +234,8 @@ enum DC_FEATURE_MASK {
>   	DC_EDP_NO_POWER_SEQUENCING = (1 << 4), //0x10, disabled by default
>   	DC_DISABLE_LTTPR_DP1_4A = (1 << 5), //0x20, disabled by default
>   	DC_DISABLE_LTTPR_DP2_0 = (1 << 6), //0x40, disabled by default
> +	DC_PSR_ALLOW_SMU_OPT = (1 << 7), //0x80, disabled by default
> +	DC_PSR_ALLOW_MULTI_DISP_OPT = (1 << 8), //0x100, disabled by default
>   };
>   
>   enum DC_DEBUG_MASK {


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