linux-kernel - Re: [PATCH RFC v5 03/10] drm: Add solid fill pixel source

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Date:   Mon, 31 Jul 2023 07:02:23 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Jessica Zhang <quic_jesszhan@...cinc.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>
Cc:     quic_abhinavk@...cinc.com, ppaalanen@...il.com,
        contact@...rsion.fr, laurent.pinchart@...asonboard.com,
        sebastian.wick@...hat.com, ville.syrjala@...ux.intel.com,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        wayland-devel@...ts.freedesktop.org
Subject: Re: [PATCH RFC v5 03/10] drm: Add solid fill pixel source

On 28/07/2023 20:02, Jessica Zhang wrote:
> Add "SOLID_FILL" as a valid pixel source. If the pixel_source property is
> set to "SOLID_FILL", it will display data from the drm_plane "solid_fill"
> blob property.
> 
> Signed-off-by: Jessica Zhang <quic_jesszhan@...cinc.com>
> ---
>   drivers/gpu/drm/drm_blend.c | 10 +++++++++-
>   include/drm/drm_plane.h     |  1 +
>   2 files changed, 10 insertions(+), 1 deletion(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> 
> diff --git a/drivers/gpu/drm/drm_blend.c b/drivers/gpu/drm/drm_blend.c
> index c632dfcd8a9b..34b1fd3e2310 100644
> --- a/drivers/gpu/drm/drm_blend.c
> +++ b/drivers/gpu/drm/drm_blend.c
> @@ -200,6 +200,9 @@
>    *	"FB":
>    *		Framebuffer source set by the "FB_ID" property.
>    *
> + *	"SOLID_FILL":
> + *		Solid fill color source set by the "solid_fill" property.
> + *
>    * solid_fill:
>    *	solid_fill is set up with drm_plane_create_solid_fill_property(). It
>    *	contains pixel data that drivers can use to fill a plane.
> @@ -657,6 +660,9 @@ EXPORT_SYMBOL(drm_plane_create_blend_mode_property);
>    * "FB":
>    *	Framebuffer pixel source
>    *
> + * "SOLID_FILL":
> + * 	Solid fill color pixel source
> + *
>    * Returns:
>    * Zero on success, negative errno on failure.
>    */
> @@ -668,8 +674,10 @@ int drm_plane_create_pixel_source_property(struct drm_plane *plane,
>   	static const struct drm_prop_enum_list enum_list[] = {
>   		{ DRM_PLANE_PIXEL_SOURCE_NONE, "NONE" },
>   		{ DRM_PLANE_PIXEL_SOURCE_FB, "FB" },
> +		{ DRM_PLANE_PIXEL_SOURCE_SOLID_FILL, "SOLID_FILL" },
>   	};
> -	static const unsigned int valid_source_mask = BIT(DRM_PLANE_PIXEL_SOURCE_FB);
> +	static const unsigned int valid_source_mask = BIT(DRM_PLANE_PIXEL_SOURCE_FB) |
> +						      BIT(DRM_PLANE_PIXEL_SOURCE_SOLID_FILL);
>   	int i;
>   
>   	/* FB is supported by default */
> diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
> index abf1458fa099..234fee3d5a95 100644
> --- a/include/drm/drm_plane.h
> +++ b/include/drm/drm_plane.h
> @@ -43,6 +43,7 @@ enum drm_scaling_filter {
>   enum drm_plane_pixel_source {
>   	DRM_PLANE_PIXEL_SOURCE_NONE,
>   	DRM_PLANE_PIXEL_SOURCE_FB,
> +	DRM_PLANE_PIXEL_SOURCE_SOLID_FILL,
>   	DRM_PLANE_PIXEL_SOURCE_MAX
>   };
>   
> 

-- 
With best wishes
Dmitry