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Subject[182/289] drm/radeon/kms: fix interlaced and doublescan handling
2.6.36-stable review patch.  If anyone has any objections, please let us know.

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

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>

---
drivers/gpu/drm/radeon/radeon_connectors.c | 34 +++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1119,6 +1119,8 @@ radeon_add_atom_connector(struct drm_dev
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
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);
@@ -1134,6 +1136,8 @@ radeon_add_atom_connector(struct drm_dev
1);
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
+ connector->interlace_allowed = true;
+ connector->doublescan_allowed = true;
break;
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_DVID:
@@ -1163,6 +1167,11 @@ 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:
@@ -1186,6 +1195,11 @@ radeon_add_atom_connector(struct drm_dev
rdev->mode_info.underscan_property,
UNDERSCAN_AUTO);
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:
@@ -1216,6 +1230,9 @@ radeon_add_atom_connector(struct drm_dev
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_property,
UNDERSCAN_AUTO);
+ 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:
@@ -1231,6 +1248,8 @@ radeon_add_atom_connector(struct drm_dev
radeon_atombios_get_tv_info(rdev));
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
+ 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);
@@ -1249,6 +1268,8 @@ 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;
}

@@ -1326,6 +1347,8 @@ radeon_add_legacy_connector(struct drm_d
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
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);
@@ -1341,6 +1364,8 @@ radeon_add_legacy_connector(struct drm_d
1);
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
+ connector->interlace_allowed = true;
+ connector->doublescan_allowed = true;
break;
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_DVID:
@@ -1358,6 +1383,11 @@ 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:
@@ -1380,6 +1410,8 @@ radeon_add_legacy_connector(struct drm_d
radeon_combios_get_tv_info(rdev));
/* no HPD on analog connectors */
radeon_connector->hpd.hpd = RADEON_HPD_NONE;
+ 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);
@@ -1393,6 +1425,8 @@ 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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