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Commit 80de3461 authored by Chris Wilson's avatar Chris Wilson Committed by Daniel Vetter
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drm: Automatically unregister the connector during cleanup 



As we now can call drm_connector_unregister() multiple times, provide a
failsafe unregister for a connector when cleaning it up.

v2: Add a WARN to catch any connectors that are still visible to
userspace when we come to destoy them.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465993109-19523-5-git-send-email-chris@chris-wilson.co.uk
parent 40daac61

drivers/gpu/drm/drm_crtc.c

+6 −0
Original line number Diff line number Diff line
@@ -938,6 +938,12 @@ void drm_connector_cleanup(struct drm_connector *connector) 
	struct drm_device *dev = connector->dev;

	struct drm_display_mode *mode, *t;



	/* The connector should have been removed from userspace long before

	 * it is finally destroyed.

	 */

	if (WARN_ON(connector->registered))

		drm_connector_unregister(connector);



	if (connector->tile_group) {

		drm_mode_put_tile_group(dev, connector->tile_group);

		connector->tile_group = NULL;