diff options
Diffstat (limited to 'include/drm/drm_mode_config.h')
| -rw-r--r-- | include/drm/drm_mode_config.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index 2cb6f02df64a..7569f22ffef6 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -36,6 +36,7 @@ struct drm_device; struct drm_atomic_state; struct drm_mode_fb_cmd2; struct drm_format_info; +struct drm_display_mode; /** * struct drm_mode_config_funcs - basic driver provided mode setting functions @@ -102,6 +103,17 @@ struct drm_mode_config_funcs { void (*output_poll_changed)(struct drm_device *dev); /** + * @mode_valid: + * + * Device specific validation of display modes. Can be used to reject + * modes that can never be supported. Only device wide constraints can + * be checked here. crtc/encoder/bridge/connector specific constraints + * should be checked in the .mode_valid() hook for each specific object. + */ + enum drm_mode_status (*mode_valid)(struct drm_device *dev, + const struct drm_display_mode *mode); + + /** * @atomic_check: * * This is the only hook to validate an atomic modeset update. This |