add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/gpu/drm/rockchip/rk628/rk628_rgb.c
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@@ -14,10 +14,9 @@
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 #include <linux/phy/phy.h>
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 #include <linux/reset.h>
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-#include <drm/drmP.h>
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 #include <drm/drm_of.h>
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 #include <drm/drm_atomic.h>
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-#include <drm/drm_crtc_helper.h>
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+#include <drm/drm_probe_helper.h>
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 #include <drm/drm_atomic_helper.h>
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 #include <drm/drm_panel.h>
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@@ -85,7 +84,7 @@
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 {
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 	struct rk628_rgb *rgb = connector_to_rgb(connector);
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-	return drm_panel_get_modes(rgb->panel);
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+	return drm_panel_get_modes(rgb->panel, connector);
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 }
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 static const struct drm_connector_helper_funcs
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@@ -96,9 +95,6 @@
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 static void rk628_rgb_connector_destroy(struct drm_connector *connector)
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 {
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-	struct rk628_rgb *rgb = connector_to_rgb(connector);
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-
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-	drm_panel_detach(rgb->panel);
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 	drm_connector_cleanup(connector);
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 }
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@@ -229,7 +225,8 @@
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 		reset_control_assert(rgb->rstc);
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 }
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-static int rk628_rgb_bridge_attach(struct drm_bridge *bridge)
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+static int rk628_rgb_bridge_attach(struct drm_bridge *bridge,
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+				   enum drm_bridge_attach_flags flags)
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 {
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 	struct rk628_rgb *rgb = bridge_to_rgb(bridge);
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 	struct drm_connector *connector = &rgb->connector;
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@@ -248,25 +245,24 @@
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 			return -EPROBE_DEFER;
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 		}
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-		rgb->bridge->encoder = bridge->encoder;
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-		ret = drm_bridge_attach(bridge->encoder, rgb->bridge, bridge);
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+		ret = drm_bridge_attach(bridge->encoder, rgb->bridge, bridge,
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+					flags);
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 		if (ret) {
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 			dev_err(dev, "failed to attach bridge\n");
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 			return ret;
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 		}
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-		bridge->next = rgb->bridge;
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 	} else {
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 		if (rgb->bridge) {
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-			rgb->bridge->encoder = bridge->encoder;
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-			ret = drm_bridge_attach(bridge->encoder, rgb->bridge, bridge);
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+			ret = drm_bridge_attach(bridge->encoder, rgb->bridge,
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+						bridge, flags);
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 			if (ret) {
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 				dev_err(dev, "failed to attach bridge\n");
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 				return ret;
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 			}
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-
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-			bridge->next = rgb->bridge;
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 		}
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+
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+		if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
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+			return 0;
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 		if (rgb->panel) {
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 			ret = drm_connector_init(drm, connector,
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@@ -282,11 +278,6 @@
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 						 &rk628_rgb_connector_helper_funcs);
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 			drm_connector_attach_encoder(connector,
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 							  bridge->encoder);
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-			ret = drm_panel_attach(rgb->panel, connector);
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-			if (ret) {
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-				dev_err(dev, "Failed to attach panel\n");
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-				return ret;
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-			}
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 		}
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 	}
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@@ -294,8 +285,8 @@
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 }
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 static void rk628_rgb_bridge_mode_set(struct drm_bridge *bridge,
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-				      struct drm_display_mode *mode,
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-				      struct drm_display_mode *adj)
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+				      const struct drm_display_mode *mode,
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+				      const struct drm_display_mode *adj)
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 {
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 	struct rk628_rgb *rgb = bridge_to_rgb(bridge);
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