diff options
| -rw-r--r-- | linux-core/drm_crtc.c | 39 | ||||
| -rw-r--r-- | linux-core/drm_crtc.h | 2 |
2 files changed, 32 insertions, 9 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c index b33edce7..1e5195db 100644 --- a/linux-core/drm_crtc.c +++ b/linux-core/drm_crtc.c @@ -767,9 +767,25 @@ static int drm_mode_create_standard_output_properties(struct drm_device *dev) dev->mode_config.connector_num_property->values[0] = 0; dev->mode_config.connector_num_property->values[1] = 20; - /* - * TV specific properties - */ + return 0; +} + +/** + * drm_create_tv_properties - create TV specific output properties + * @dev: DRM device + * @num_modes: number of different TV formats (modes) supported + * @modes: array of pointers to strings containing name of each format + * + * Called by a driver's TV initialization routine, this function creates + * the TV specific output properties for a given device. Caller is + * responsible for allocating a list of format names and passing them to + * this routine. + */ +bool drm_create_tv_properties(struct drm_device *dev, int num_modes, + char *modes[]) +{ + int i; + dev->mode_config.tv_left_margin_property = drm_property_create(dev, DRM_MODE_PROP_RANGE | DRM_MODE_PROP_IMMUTABLE, @@ -778,28 +794,33 @@ static int drm_mode_create_standard_output_properties(struct drm_device *dev) dev->mode_config.tv_left_margin_property->values[1] = 100; dev->mode_config.tv_right_margin_property = - drm_property_create(dev, DRM_MODE_PROP_RANGE | - DRM_MODE_PROP_IMMUTABLE, + drm_property_create(dev, DRM_MODE_PROP_RANGE, "right margin", 2); dev->mode_config.tv_right_margin_property->values[0] = 0; dev->mode_config.tv_right_margin_property->values[1] = 100; dev->mode_config.tv_top_margin_property = - drm_property_create(dev, DRM_MODE_PROP_RANGE | - DRM_MODE_PROP_IMMUTABLE, + drm_property_create(dev, DRM_MODE_PROP_RANGE, "top margin", 2); dev->mode_config.tv_top_margin_property->values[0] = 0; dev->mode_config.tv_top_margin_property->values[1] = 100; dev->mode_config.tv_bottom_margin_property = - drm_property_create(dev, DRM_MODE_PROP_RANGE | - DRM_MODE_PROP_IMMUTABLE, + drm_property_create(dev, DRM_MODE_PROP_RANGE, "bottom margin", 2); dev->mode_config.tv_bottom_margin_property->values[0] = 0; dev->mode_config.tv_bottom_margin_property->values[1] = 100; + dev->mode_config.tv_mode_property = + drm_property_create(dev, DRM_MODE_PROP_ENUM, + "mode", num_modes); + for (i = 0; i < num_modes; i++) + drm_property_add_enum(dev->mode_config.tv_mode_property, i, + i, modes[i]); + return 0; } +EXPORT_SYMBOL(drm_create_tv_properties); /** * drm_mode_config_init - initialize DRM mode_configuration structure diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h index 74316aa5..20b1ea06 100644 --- a/linux-core/drm_crtc.h +++ b/linux-core/drm_crtc.h @@ -611,6 +611,8 @@ extern struct drm_property *drm_property_create(struct drm_device *dev, int flag extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); extern int drm_property_add_enum(struct drm_property *property, int index, uint64_t value, const char *name); +extern bool drm_create_tv_properties(struct drm_device *dev, int num_formats, + char *formats[]); /* IOCTLs */ extern int drm_mode_getresources(struct drm_device *dev, |