drm: Add more standard TV properties.

Overscan, saturation, hue. Used in the nouveau driver for GPUs with
integrated TV encoders.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_crtc.c

@@ -736,6 +736,24 @@ int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
 	dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
 	dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
 
+	dev->mode_config.tv_overscan_property =
+		drm_property_create(dev, DRM_MODE_PROP_RANGE,
+				    "overscan", 2);
+	dev->mode_config.tv_overscan_property->values[0] = 0;
+	dev->mode_config.tv_overscan_property->values[1] = 100;
+
+	dev->mode_config.tv_saturation_property =
+		drm_property_create(dev, DRM_MODE_PROP_RANGE,
+				    "saturation", 2);
+	dev->mode_config.tv_saturation_property->values[0] = 0;
+	dev->mode_config.tv_saturation_property->values[1] = 100;
+
+	dev->mode_config.tv_hue_property =
+		drm_property_create(dev, DRM_MODE_PROP_RANGE,
+				    "hue", 2);
+	dev->mode_config.tv_hue_property->values[0] = 0;
+	dev->mode_config.tv_hue_property->values[1] = 100;
+
 	return 0;
 }
 EXPORT_SYMBOL(drm_mode_create_tv_properties);

include/drm/drm_crtc.h

@@ -575,6 +575,9 @@ struct drm_mode_config {
 	struct drm_property *tv_brightness_property;
 	struct drm_property *tv_contrast_property;
 	struct drm_property *tv_flicker_reduction_property;
+	struct drm_property *tv_overscan_property;
+	struct drm_property *tv_saturation_property;
+	struct drm_property *tv_hue_property;
 
 	/* Optional properties */
 	struct drm_property *scaling_mode_property;