Re: [PATCH 3/8] drm/i915: Introduce scaled_planes bitmask

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On Fri, 11 Feb 2022, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Add another plane bitmask, this time tracking which planes are
> scaled. This is going to be useful in ILK watermark computations,
> and skl+ pipe scaler assignments.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/display/intel_atomic_plane.c  | 5 +++++
>  drivers/gpu/drm/i915/display/intel_display_types.h | 1 +
>  2 files changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> index bba2f105b7dd..79720bd5a485 100644
> --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> @@ -323,6 +323,7 @@ void intel_plane_set_invisible(struct intel_crtc_state *crtc_state,
>  	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
>  
>  	crtc_state->active_planes &= ~BIT(plane->id);
> +	crtc_state->scaled_planes &= ~BIT(plane->id);
>  	crtc_state->nv12_planes &= ~BIT(plane->id);
>  	crtc_state->c8_planes &= ~BIT(plane->id);
>  	crtc_state->data_rate[plane->id] = 0;
> @@ -536,6 +537,10 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_
>  	if (new_plane_state->uapi.visible)
>  		new_crtc_state->active_planes |= BIT(plane->id);
>  
> +	if (new_plane_state->uapi.visible &&
> +	    intel_plane_is_scaled(new_plane_state))
> +		new_crtc_state->scaled_planes |= BIT(plane->id);
> +
>  	if (new_plane_state->uapi.visible &&
>  	    intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
>  		new_crtc_state->nv12_planes |= BIT(plane->id);
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> index 60e15226a8cb..7a5c1e334449 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -1168,6 +1168,7 @@ struct intel_crtc_state {
>  
>  	/* bitmask of actually visible planes (enum plane_id) */
>  	u8 active_planes;
> +	u8 scaled_planes;
>  	u8 nv12_planes;
>  	u8 c8_planes;

-- 
Jani Nikula, Intel Open Source Graphics Center




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