diff mbox series

[v5,23/24] drm/radeon: Provide ddc symlink in connector sysfs directory

Message ID 0c9783d97ecbbf98cecc5b9b93823e6b3da68b57.1563960855.git.andrzej.p@collabora.com (mailing list archive)
State New, archived
Headers show
Series Associate ddc adapters with connectors | expand

Commit Message

Andrzej Pietrasiewicz July 24, 2019, 1:59 p.m. UTC 
Use the ddc pointer provided by the generic connector.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
---
 drivers/gpu/drm/radeon/radeon_connectors.c | 141 +++++++++++++++------
 1 file changed, 105 insertions(+), 36 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index c60d1a44d22a..1b743edb3fbe 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1947,17 +1947,21 @@  radeon_add_atom_connector(struct drm_device *dev,
 		radeon_connector->con_priv = radeon_dig_connector;
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
-			if (radeon_connector->ddc_bus)
+			if (radeon_connector->ddc_bus) {
 				has_aux = true;
-			else
+				connector->ddc = &radeon_connector->ddc_bus->adapter;
+			} else {
 				DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+			}
 		}
 		switch (connector_type) {
 		case DRM_MODE_CONNECTOR_VGA:
 		case DRM_MODE_CONNECTOR_DVIA:
 		default:
-			drm_connector_init(dev, &radeon_connector->base,
-					   &radeon_dp_connector_funcs, connector_type);
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_dp_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
 			drm_connector_helper_add(&radeon_connector->base,
 						 &radeon_dp_connector_helper_funcs);
 			connector->interlace_allowed = true;
@@ -1979,8 +1983,10 @@  radeon_add_atom_connector(struct drm_device *dev,
 		case DRM_MODE_CONNECTOR_HDMIA:
 		case DRM_MODE_CONNECTOR_HDMIB:
 		case DRM_MODE_CONNECTOR_DisplayPort:
-			drm_connector_init(dev, &radeon_connector->base,
-					   &radeon_dp_connector_funcs, connector_type);
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_dp_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
 			drm_connector_helper_add(&radeon_connector->base,
 						 &radeon_dp_connector_helper_funcs);
 			drm_object_attach_property(&radeon_connector->base.base,
@@ -2027,8 +2033,10 @@  radeon_add_atom_connector(struct drm_device *dev,
 			break;
 		case DRM_MODE_CONNECTOR_LVDS:
 		case DRM_MODE_CONNECTOR_eDP:
-			drm_connector_init(dev, &radeon_connector->base,
-					   &radeon_lvds_bridge_connector_funcs, connector_type);
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_lvds_bridge_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
 			drm_connector_helper_add(&radeon_connector->base,
 						 &radeon_dp_connector_helper_funcs);
 			drm_object_attach_property(&radeon_connector->base.base,
@@ -2042,13 +2050,18 @@  radeon_add_atom_connector(struct drm_device *dev,
 	} else {
 		switch (connector_type) {
 		case DRM_MODE_CONNECTOR_VGA:
-			drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 			if (i2c_bus->valid) {
 				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
 				if (!radeon_connector->ddc_bus)
 					DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+				else
+					connector->ddc = &radeon_connector->ddc_bus->adapter;
 			}
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_vga_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
+			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 			radeon_connector->dac_load_detect = true;
 			drm_object_attach_property(&radeon_connector->base.base,
 						      rdev->mode_info.load_detect_property,
@@ -2067,13 +2080,18 @@  radeon_add_atom_connector(struct drm_device *dev,
 			connector->doublescan_allowed = true;
 			break;
 		case DRM_MODE_CONNECTOR_DVIA:
-			drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 			if (i2c_bus->valid) {
 				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
 				if (!radeon_connector->ddc_bus)
 					DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+				else
+					connector->ddc = &radeon_connector->ddc_bus->adapter;
 			}
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_vga_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
+			drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 			radeon_connector->dac_load_detect = true;
 			drm_object_attach_property(&radeon_connector->base.base,
 						      rdev->mode_info.load_detect_property,
@@ -2098,13 +2116,18 @@  radeon_add_atom_connector(struct drm_device *dev,
 				goto failed;
 			radeon_dig_connector->igp_lane_info = igp_lane_info;
 			radeon_connector->con_priv = radeon_dig_connector;
-			drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
-			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 			if (i2c_bus->valid) {
 				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
 				if (!radeon_connector->ddc_bus)
 					DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+				else
+					connector->ddc = &radeon_connector->ddc_bus->adapter;
 			}
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_dvi_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
+			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 			subpixel_order = SubPixelHorizontalRGB;
 			drm_object_attach_property(&radeon_connector->base.base,
 						      rdev->mode_info.coherent_mode_property,
@@ -2155,13 +2178,18 @@  radeon_add_atom_connector(struct drm_device *dev,
 				goto failed;
 			radeon_dig_connector->igp_lane_info = igp_lane_info;
 			radeon_connector->con_priv = radeon_dig_connector;
-			drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
-			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 			if (i2c_bus->valid) {
 				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
 				if (!radeon_connector->ddc_bus)
 					DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+				else
+					connector->ddc = &radeon_connector->ddc_bus->adapter;
 			}
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_dvi_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
+			drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 			drm_object_attach_property(&radeon_connector->base.base,
 						      rdev->mode_info.coherent_mode_property,
 						      1);
@@ -2205,15 +2233,20 @@  radeon_add_atom_connector(struct drm_device *dev,
 				goto failed;
 			radeon_dig_connector->igp_lane_info = igp_lane_info;
 			radeon_connector->con_priv = radeon_dig_connector;
-			drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
-			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
 			if (i2c_bus->valid) {
 				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
-				if (radeon_connector->ddc_bus)
+				if (radeon_connector->ddc_bus) {
 					has_aux = true;
-				else
+					connector->ddc = &radeon_connector->ddc_bus->adapter;
+				} else {
 					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+				}
 			}
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_dp_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
+			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
 			subpixel_order = SubPixelHorizontalRGB;
 			drm_object_attach_property(&radeon_connector->base.base,
 						      rdev->mode_info.coherent_mode_property,
@@ -2255,15 +2288,20 @@  radeon_add_atom_connector(struct drm_device *dev,
 				goto failed;
 			radeon_dig_connector->igp_lane_info = igp_lane_info;
 			radeon_connector->con_priv = radeon_dig_connector;
-			drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
-			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
 			if (i2c_bus->valid) {
 				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
-				if (radeon_connector->ddc_bus)
+				if (radeon_connector->ddc_bus) {
 					has_aux = true;
-				else
+					connector->ddc = &radeon_connector->ddc_bus->adapter;
+				} else {
 					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+				}
 			}
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_edp_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
+			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
 			drm_object_attach_property(&radeon_connector->base.base,
 						      dev->mode_config.scaling_mode_property,
 						      DRM_MODE_SCALE_FULLSCREEN);
@@ -2274,7 +2312,10 @@  radeon_add_atom_connector(struct drm_device *dev,
 		case DRM_MODE_CONNECTOR_SVIDEO:
 		case DRM_MODE_CONNECTOR_Composite:
 		case DRM_MODE_CONNECTOR_9PinDIN:
-			drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_tv_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
 			drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
 			radeon_connector->dac_load_detect = true;
 			drm_object_attach_property(&radeon_connector->base.base,
@@ -2294,13 +2335,18 @@  radeon_add_atom_connector(struct drm_device *dev,
 				goto failed;
 			radeon_dig_connector->igp_lane_info = igp_lane_info;
 			radeon_connector->con_priv = radeon_dig_connector;
-			drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
-			drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
 			if (i2c_bus->valid) {
 				radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
 				if (!radeon_connector->ddc_bus)
 					DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+				else
+					connector->ddc = &radeon_connector->ddc_bus->adapter;
 			}
+			drm_connector_init_with_ddc(dev, &radeon_connector->base,
+						    &radeon_lvds_connector_funcs,
+						    connector_type,
+						    radeon_connector->base.ddc);
+			drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
 			drm_object_attach_property(&radeon_connector->base.base,
 						      dev->mode_config.scaling_mode_property,
 						      DRM_MODE_SCALE_FULLSCREEN);
@@ -2378,13 +2424,18 @@  radeon_add_legacy_connector(struct drm_device *dev,
 
 	switch (connector_type) {
 	case DRM_MODE_CONNECTOR_VGA:
-		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
 			if (!radeon_connector->ddc_bus)
 				DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+			else
+				connector->ddc = &radeon_connector->ddc_bus->adapter;
 		}
+		drm_connector_init_with_ddc(dev, &radeon_connector->base,
+					    &radeon_vga_connector_funcs,
+					    connector_type,
+					    radeon_connector->base.ddc);
+		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 		radeon_connector->dac_load_detect = true;
 		drm_object_attach_property(&radeon_connector->base.base,
 					      rdev->mode_info.load_detect_property,
@@ -2395,13 +2446,18 @@  radeon_add_legacy_connector(struct drm_device *dev,
 		connector->doublescan_allowed = true;
 		break;
 	case DRM_MODE_CONNECTOR_DVIA:
-		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
-		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
 			if (!radeon_connector->ddc_bus)
 				DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+			else
+				connector->ddc = &radeon_connector->ddc_bus->adapter;
 		}
+		drm_connector_init_with_ddc(dev, &radeon_connector->base,
+					    &radeon_vga_connector_funcs,
+					    connector_type,
+					    radeon_connector->base.ddc);
+		drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
 		radeon_connector->dac_load_detect = true;
 		drm_object_attach_property(&radeon_connector->base.base,
 					      rdev->mode_info.load_detect_property,
@@ -2413,13 +2469,18 @@  radeon_add_legacy_connector(struct drm_device *dev,
 		break;
 	case DRM_MODE_CONNECTOR_DVII:
 	case DRM_MODE_CONNECTOR_DVID:
-		drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
-		drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
 			if (!radeon_connector->ddc_bus)
 				DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+			else
+				connector->ddc = &radeon_connector->ddc_bus->adapter;
 		}
+		drm_connector_init_with_ddc(dev, &radeon_connector->base,
+					    &radeon_dvi_connector_funcs,
+					    connector_type,
+					    radeon_connector->base.ddc);
+		drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
 		if (connector_type == DRM_MODE_CONNECTOR_DVII) {
 			radeon_connector->dac_load_detect = true;
 			drm_object_attach_property(&radeon_connector->base.base,
@@ -2436,7 +2497,10 @@  radeon_add_legacy_connector(struct drm_device *dev,
 	case DRM_MODE_CONNECTOR_SVIDEO:
 	case DRM_MODE_CONNECTOR_Composite:
 	case DRM_MODE_CONNECTOR_9PinDIN:
-		drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
+		drm_connector_init_with_ddc(dev, &radeon_connector->base,
+					    &radeon_tv_connector_funcs,
+					    connector_type,
+					    radeon_connector->base.ddc);
 		drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
 		radeon_connector->dac_load_detect = true;
 		/* RS400,RC410,RS480 chipset seems to report a lot
@@ -2458,13 +2522,18 @@  radeon_add_legacy_connector(struct drm_device *dev,
 		connector->doublescan_allowed = false;
 		break;
 	case DRM_MODE_CONNECTOR_LVDS:
-		drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
-		drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
 			if (!radeon_connector->ddc_bus)
 				DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
+			else
+				connector->ddc = &radeon_connector->ddc_bus->adapter;
 		}
+		drm_connector_init_with_ddc(dev, &radeon_connector->base,
+					    &radeon_lvds_connector_funcs,
+					    connector_type,
+					    radeon_connector->base.ddc);
+		drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
 		drm_object_attach_property(&radeon_connector->base.base,
 					      dev->mode_config.scaling_mode_property,
 					      DRM_MODE_SCALE_FULLSCREEN);