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Commit cbc7e221 authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/modeset: add helper to unplug all connectors from sysfs 



In order to get correct ordering at hot-unplug for userspace,
we need to tear down all the sysfs bits at the correct time.

This adds a helper to allow drivers to remove the sysfs nodes
for all connectors.

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 1828fe6c

drivers/gpu/drm/drm_crtc.c

+14 −3
Original line number Diff line number Diff line
@@ -540,6 +540,17 @@ void drm_connector_cleanup(struct drm_connector *connector) 
}

EXPORT_SYMBOL(drm_connector_cleanup);



void drm_connector_unplug_all(struct drm_device *dev)

{

	struct drm_connector *connector;



	/* taking the mode config mutex ends up in a clash with sysfs */

	list_for_each_entry(connector, &dev->mode_config.connector_list, head)

		drm_sysfs_connector_remove(connector);



}

EXPORT_SYMBOL(drm_connector_unplug_all);



int drm_encoder_init(struct drm_device *dev,

		      struct drm_encoder *encoder,

		      const struct drm_encoder_funcs *funcs,

include/drm/drm_crtc.h

+2 −0
Original line number Diff line number Diff line
@@ -826,6 +826,8 @@ extern int drm_connector_init(struct drm_device *dev, 
			      int connector_type);



extern void drm_connector_cleanup(struct drm_connector *connector);

/* helper to unplug all connectors from sysfs for device */

extern void drm_connector_unplug_all(struct drm_device *dev);



extern int drm_encoder_init(struct drm_device *dev,

			    struct drm_encoder *encoder,