From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 30 Nov 2010 20:46:47 +0000 (-0500)
Subject: drm/radeon/kms: fix interlaced and doublescan handling
X-Git-Tag: v2.6.35.10~90
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f79f5c7c8c2fd31a9e00586aa5e5ed443af88cef;p=karo-tx-linux.git

drm/radeon/kms: fix interlaced and doublescan handling

commit c49948f4bd39e27dd06a1cdb0c3743ca2a734f5e upstream.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index adccbc2c202c..346dc6d1b694 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1083,6 +1083,8 @@ radeon_add_atom_connector(struct drm_device *dev,
 					      rdev->mode_info.load_detect_property,
 					      1);
 		connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+		connector->interlace_allowed = true;
+		connector->doublescan_allowed = true;
 		break;
 	case DRM_MODE_CONNECTOR_DVIA:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
@@ -1096,6 +1098,8 @@ radeon_add_atom_connector(struct drm_device *dev,
 		drm_connector_attach_property(&radeon_connector->base,
 					      rdev->mode_info.load_detect_property,
 					      1);
+		connector->interlace_allowed = true;
+		connector->doublescan_allowed = true;
 		break;
 	case DRM_MODE_CONNECTOR_DVII:
 	case DRM_MODE_CONNECTOR_DVID:
@@ -1122,6 +1126,11 @@ radeon_add_atom_connector(struct drm_device *dev,
 						      rdev->mode_info.load_detect_property,
 						      1);
 		}
+		connector->interlace_allowed = true;
+		if (connector_type == DRM_MODE_CONNECTOR_DVII)
+			connector->doublescan_allowed = true;
+		else
+			connector->doublescan_allowed = false;
 		break;
 	case DRM_MODE_CONNECTOR_HDMIA:
 	case DRM_MODE_CONNECTOR_HDMIB:
@@ -1142,6 +1151,11 @@ radeon_add_atom_connector(struct drm_device *dev,
 					      rdev->mode_info.coherent_mode_property,
 					      1);
 		subpixel_order = SubPixelHorizontalRGB;
+		connector->interlace_allowed = true;
+		if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
+			connector->doublescan_allowed = true;
+		else
+			connector->doublescan_allowed = false;
 		break;
 	case DRM_MODE_CONNECTOR_DisplayPort:
 	case DRM_MODE_CONNECTOR_eDP:
@@ -1172,6 +1186,9 @@ radeon_add_atom_connector(struct drm_device *dev,
 		drm_connector_attach_property(&radeon_connector->base,
 					      rdev->mode_info.coherent_mode_property,
 					      1);
+		connector->interlace_allowed = true;
+		/* in theory with a DP to VGA converter... */
+		connector->doublescan_allowed = false;
 		break;
 	case DRM_MODE_CONNECTOR_SVIDEO:
 	case DRM_MODE_CONNECTOR_Composite:
@@ -1187,6 +1204,8 @@ radeon_add_atom_connector(struct drm_device *dev,
 						      rdev->mode_info.tv_std_property,
 						      radeon_atombios_get_tv_info(rdev));
 		}
+		connector->interlace_allowed = false;
+		connector->doublescan_allowed = false;
 		break;
 	case DRM_MODE_CONNECTOR_LVDS:
 		radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
@@ -1206,6 +1225,8 @@ radeon_add_atom_connector(struct drm_device *dev,
 					      dev->mode_config.scaling_mode_property,
 					      DRM_MODE_SCALE_FULLSCREEN);
 		subpixel_order = SubPixelHorizontalRGB;
+		connector->interlace_allowed = false;
+		connector->doublescan_allowed = false;
 		break;
 	}
 
@@ -1277,6 +1298,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
 					      rdev->mode_info.load_detect_property,
 					      1);
 		connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+		connector->interlace_allowed = true;
+		connector->doublescan_allowed = true;
 		break;
 	case DRM_MODE_CONNECTOR_DVIA:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
@@ -1290,6 +1313,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
 		drm_connector_attach_property(&radeon_connector->base,
 					      rdev->mode_info.load_detect_property,
 					      1);
+		connector->interlace_allowed = true;
+		connector->doublescan_allowed = true;
 		break;
 	case DRM_MODE_CONNECTOR_DVII:
 	case DRM_MODE_CONNECTOR_DVID:
@@ -1307,6 +1332,11 @@ radeon_add_legacy_connector(struct drm_device *dev,
 						      1);
 		}
 		subpixel_order = SubPixelHorizontalRGB;
+		connector->interlace_allowed = true;
+		if (connector_type == DRM_MODE_CONNECTOR_DVII)
+			connector->doublescan_allowed = true;
+		else
+			connector->doublescan_allowed = false;
 		break;
 	case DRM_MODE_CONNECTOR_SVIDEO:
 	case DRM_MODE_CONNECTOR_Composite:
@@ -1329,6 +1359,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
 						      rdev->mode_info.tv_std_property,
 						      radeon_combios_get_tv_info(rdev));
 		}
+		connector->interlace_allowed = false;
+		connector->doublescan_allowed = false;
 		break;
 	case DRM_MODE_CONNECTOR_LVDS:
 		drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
@@ -1342,6 +1374,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
 					      dev->mode_config.scaling_mode_property,
 					      DRM_MODE_SCALE_FULLSCREEN);
 		subpixel_order = SubPixelHorizontalRGB;
+		connector->interlace_allowed = false;
+		connector->doublescan_allowed = false;
 		break;
 	}