Invalidate all BOs CPU mappings once device is removed.
v3: Move the code from TTM into drm_dev_unplug
Signed-off-by: Andrey Grodzovsky andrey.grodzovsky@amd.com Reviewed-by: Christian König christian.koenig@amd.com Reviewed-by: Daniel Vetter daniel@ffwll.ch --- drivers/gpu/drm/drm_drv.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index d384a5b..20d22e4 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -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);