Re: [PATCH 5/7] drm/i915/display/psr: Do full fetch when handling biplanar formats

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On Thu, Sep 23, 2021 at 12:46:15PM -0700, José Roberto de Souza wrote:
> From: Gwan-gyeong Mun <gwan-gyeong.mun@xxxxxxxxx>
> 
> We are still missing the PSR2 selective fetch handling of biplanar
> formats but until proper handle is added we can workaround it by
> doing full frames fetch when state has biplanar formats.
> 
> Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_psr.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
> index 356e0e96abf4e..001d81f128989 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -1579,6 +1579,9 @@ static void cursor_area_workaround(const struct intel_plane_state *new_plane_sta
>   * also planes are not updated if they have a negative X
>   * position so for now doing a full update in this cases
>   *
> + * TODO: We are missing biplanar formats handling, until it is
> + * implemented it will send full frame updates.
> + *
>   * Plane scaling and rotation is not supported by selective fetch and both
>   * properties can change without a modeset, so need to be check at every
>   * atomic commmit.
> @@ -1588,6 +1591,7 @@ static bool psr2_sel_fetch_plane_state_supported(const struct intel_plane_state
>  	if (plane_state->uapi.dst.y1 < 0 ||
>  	    plane_state->uapi.dst.x1 < 0 ||
>  	    plane_state->scaler_id >= 0 ||
> +	    plane_state->hw.fb->format->is_yuv ||

is_yuv != planar

>  	    plane_state->uapi.rotation != DRM_MODE_ROTATE_0)
>  		return false;
>  
> -- 
> 2.33.0

-- 
Ville Syrjälä
Intel



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