linux-kernel - [PATCH RFC v6 03/10] drm: Add solid fill pixel source

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Message-ID: <20230828-solid-fill-v6-3-a820efcce852@quicinc.com>
Date:   Mon, 28 Aug 2023 17:05:09 -0700
From:   Jessica Zhang <quic_jesszhan@...cinc.com>
To:     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>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        "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>,
        Jessica Zhang <quic_jesszhan@...cinc.com>
Subject: [PATCH RFC v6 03/10] drm: Add solid fill pixel source

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.

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

diff --git a/drivers/gpu/drm/drm_blend.c b/drivers/gpu/drm/drm_blend.c
index 273021cc21c8..1016a206ca0c 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.
@@ -638,6 +641,7 @@ EXPORT_SYMBOL(drm_plane_create_blend_mode_property);
 static const struct drm_prop_enum_list drm_pixel_source_enum_list[] = {
 	{ DRM_PLANE_PIXEL_SOURCE_NONE, "NONE" },
 	{ DRM_PLANE_PIXEL_SOURCE_FB, "FB" },
+	{ DRM_PLANE_PIXEL_SOURCE_SOLID_FILL, "SOLID_FILL" },
 };
 
 /**
@@ -662,6 +666,9 @@ static const struct drm_prop_enum_list drm_pixel_source_enum_list[] = {
  * "FB":
  *	Framebuffer pixel source
  *
+ * "SOLID_FILL":
+ * 	Solid fill color pixel source
+ *
  * Returns:
  * Zero on success, negative errno on failure.
  */
@@ -671,7 +678,8 @@ int drm_plane_create_pixel_source_property(struct drm_plane *plane,
 	struct drm_device *dev = plane->dev;
 	struct drm_property *prop;
 	static const unsigned int valid_source_mask = BIT(DRM_PLANE_PIXEL_SOURCE_FB) |
-						      BIT(DRM_PLANE_PIXEL_SOURCE_NONE);
+						      BIT(DRM_PLANE_PIXEL_SOURCE_NONE) |
+						      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 a38e18bfb43e..49995c4be2ab 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
 };
 

-- 
2.42.0