linux-kernel - [PATCH 5/6] drm/msm/dp: migrate the ycbcr_420_allowed to drm

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Message-Id: <20241019-bridge-yuv420-v1-5-d74efac9e4e6@linaro.org>
Date: Sat, 19 Oct 2024 00:49:16 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>, 
 Sean Paul <sean@...rly.run>, Marijn Suijten <marijn.suijten@...ainline.org>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org
Subject: [PATCH 5/6] drm/msm/dp: migrate the ycbcr_420_allowed to
 drm_bridge

Instead of forcing the ycbcr_420_allowed flag to be set on the created
drm_connector, set it on the drm_bridge instance and allow
drm_bridge_connecgtor to propagate it to the drm_connector.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 drivers/gpu/drm/msm/dp/dp_display.c |  4 ++--
 drivers/gpu/drm/msm/dp/dp_drm.c     | 10 ++++------
 drivers/gpu/drm/msm/dp/dp_drm.h     |  7 ++++---
 3 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index e1228fb093ee..0ddd8abca499 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -1467,14 +1467,14 @@ int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev,
 
 	dp_priv = container_of(dp_display, struct dp_display_private, dp_display);
 
-	ret = dp_bridge_init(dp_display, dev, encoder);
+	ret = dp_bridge_init(dp_display, dev, encoder, yuv_supported);
 	if (ret) {
 		DRM_DEV_ERROR(dev->dev,
 			"failed to create dp bridge: %d\n", ret);
 		return ret;
 	}
 
-	dp_display->connector = dp_drm_connector_init(dp_display, encoder, yuv_supported);
+	dp_display->connector = dp_drm_connector_init(dp_display, encoder);
 	if (IS_ERR(dp_display->connector)) {
 		ret = PTR_ERR(dp_display->connector);
 		DRM_DEV_ERROR(dev->dev,
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
index 1b9be5bd97f1..7eb1621f9e7f 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ b/drivers/gpu/drm/msm/dp/dp_drm.c
@@ -289,7 +289,7 @@ static const struct drm_bridge_funcs edp_bridge_ops = {
 };
 
 int dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
-			struct drm_encoder *encoder)
+		   struct drm_encoder *encoder, bool yuv_supported)
 {
 	int rc;
 	struct msm_dp_bridge *dp_bridge;
@@ -304,6 +304,7 @@ int dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
 	bridge = &dp_bridge->bridge;
 	bridge->funcs = dp_display->is_edp ? &edp_bridge_ops : &dp_bridge_ops;
 	bridge->type = dp_display->connector_type;
+	bridge->ycbcr_420_allowed = yuv_supported;
 
 	/*
 	 * Many ops only make sense for DP. Why?
@@ -351,8 +352,8 @@ int dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
 }
 
 /* connector initialization */
-struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display, struct drm_encoder *encoder,
-					    bool yuv_supported)
+struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display,
+					    struct drm_encoder *encoder)
 {
 	struct drm_connector *connector = NULL;
 
@@ -363,9 +364,6 @@ struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display, struct dr
 	if (!dp_display->is_edp)
 		drm_connector_attach_dp_subconnector_property(connector);
 
-	if (yuv_supported)
-		connector->ycbcr_420_allowed = true;
-
 	drm_connector_attach_encoder(connector, encoder);
 
 	return connector;
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.h b/drivers/gpu/drm/msm/dp/dp_drm.h
index 45e57ac25a4d..ae632fcc407c 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.h
+++ b/drivers/gpu/drm/msm/dp/dp_drm.h
@@ -19,10 +19,11 @@ struct msm_dp_bridge {
 
 #define to_dp_bridge(x)     container_of((x), struct msm_dp_bridge, bridge)
 
-struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display, struct drm_encoder *encoder,
-					    bool yuv_supported);
+struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display,
+					    struct drm_encoder *encoder);
 int dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
-			struct drm_encoder *encoder);
+		   struct drm_encoder *encoder,
+		   bool yuv_supported);
 
 void dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
 			     struct drm_bridge_state *old_bridge_state);

-- 
2.39.5