drm: Define some new standard TV properties.

Namely "brightness", "contrast" and "flicker reduction".

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

2 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index ed53c5c37ac4..a8c831134fc3 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -718,6 +718,24 @@ int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
                 drm_property_add_enum(dev->mode_config.tv_mode_property, i,
                                       i, modes[i]);
 
+        dev->mode_config.tv_brightness_property =
+                drm_property_create(dev, DRM_MODE_PROP_RANGE,
+                                    "brightness", 2);
+        dev->mode_config.tv_brightness_property->values[0] = 0;
+        dev->mode_config.tv_brightness_property->values[1] = 100;
+
+        dev->mode_config.tv_contrast_property =
+                drm_property_create(dev, DRM_MODE_PROP_RANGE,
+                                    "contrast", 2);
+        dev->mode_config.tv_contrast_property->values[0] = 0;
+        dev->mode_config.tv_contrast_property->values[1] = 100;
+
+        dev->mode_config.tv_flicker_reduction_property =
+                drm_property_create(dev, DRM_MODE_PROP_RANGE,
+                                    "flicker reduction", 2);
+        dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
+        dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
+
         return 0;
 }
 EXPORT_SYMBOL(drm_mode_create_tv_properties);
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 125994d8ac0b..5f2cc0ca4c7d 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -572,6 +572,9 @@ struct drm_mode_config {
         struct drm_property *tv_right_margin_property;
         struct drm_property *tv_top_margin_property;
         struct drm_property *tv_bottom_margin_property;
+        struct drm_property *tv_brightness_property;
+        struct drm_property *tv_contrast_property;
+        struct drm_property *tv_flicker_reduction_property;
 
         /* Optional properties */
         struct drm_property *scaling_mode_property;