Commit 2390cd11 authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/crtc: add interface to reinitialise the legacy mode group 



This can be called to update things after dynamic connectors/encoders
are created/deleted.

Reviewed-by: default avatarTodd Previte <tprevite@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 40377ef2

drivers/gpu/drm/drm_crtc.c

+9 −0
Original line number Diff line number Diff line
@@ -1513,6 +1513,15 @@ int drm_mode_group_init_legacy_group(struct drm_device *dev, 
}

EXPORT_SYMBOL(drm_mode_group_init_legacy_group);



void drm_reinit_primary_mode_group(struct drm_device *dev)

{

	drm_modeset_lock_all(dev);

	drm_mode_group_destroy(&dev->primary->mode_group);

	drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group);

	drm_modeset_unlock_all(dev);

}

EXPORT_SYMBOL(drm_reinit_primary_mode_group);



/**

 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo

 * @out: drm_mode_modeinfo struct to return to the user

include/drm/drm_crtc.h

+1 −0
Original line number Diff line number Diff line
@@ -942,6 +942,7 @@ extern const char *drm_get_tv_select_name(int val); 
extern void drm_fb_release(struct drm_file *file_priv);

extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);

extern void drm_mode_group_destroy(struct drm_mode_group *group);

extern void drm_reinit_primary_mode_group(struct drm_device *dev);

extern bool drm_probe_ddc(struct i2c_adapter *adapter);

extern struct edid *drm_get_edid(struct drm_connector *connector,

				 struct i2c_adapter *adapter);