Commit b9d4efa8 authored by Andrey Grodzovsky's avatar Andrey Grodzovsky Committed by Christian König
Browse files

drm: Unamp the entire device address space on device unplug 



Invalidate all BOs CPU mappings once device is removed.

v3: Move the code from TTM into drm_dev_unplug

Signed-off-by: default avatarAndrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarDaniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/414809/


Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
parent 36b73b05

drivers/gpu/drm/drm_drv.c

+3 −0
Original line number Diff line number Diff line
@@ -469,6 +469,9 @@ void drm_dev_unplug(struct drm_device *dev) 
	synchronize_srcu(&drm_unplug_srcu);



	drm_dev_unregister(dev);



	/* Clear all CPU mappings pointing to this device */

	unmap_mapping_range(dev->anon_inode->i_mapping, 0, 0, 1);

}

EXPORT_SYMBOL(drm_dev_unplug);