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Date:	Mon, 13 Dec 2010 00:47:15 +0100 (CET)
From:	Andi Kleen <andi@...stfloor.org>
To:	alexdeucher@...il.com, airlied@...hat.com, gregkh@...e.de,
	ak@...ux.intel.com, linux-kernel@...r.kernel.org, stable@...nel.org
Subject: [PATCH] [133/223] drm/radeon/kms: fix interlaced and doublescan handling

2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Alex Deucher <alexdeucher@...il.com>

commit c49948f4bd39e27dd06a1cdb0c3743ca2a734f5e upstream.

Signed-off-by: Alex Deucher <alexdeucher@...il.com>
Signed-off-by: Dave Airlie <airlied@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>

---
 drivers/gpu/drm/radeon/radeon_connectors.c |   34 +++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

Index: linux/drivers/gpu/drm/radeon/radeon_connectors.c
===================================================================
--- linux.orig/drivers/gpu/drm/radeon/radeon_connectors.c
+++ linux/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1083,6 +1083,8 @@ radeon_add_atom_connector(struct drm_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_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_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_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_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_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_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_d
 					      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_d
 		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_d
 						      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_d
 						      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_d
 					      dev->mode_config.scaling_mode_property,
 					      DRM_MODE_SCALE_FULLSCREEN);
 		subpixel_order = SubPixelHorizontalRGB;
+		connector->interlace_allowed = false;
+		connector->doublescan_allowed = false;
 		break;
 	}
 
--
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