As soon as a device is considered unplugged, not only prevent pending users from accessing the device structures but also cancel all their pending requests so all consumed resources can be cleaned up as soon as possible.
Signed-off-by: Janusz Krzysztofik janusz.krzysztofik@linux.intel.com Reviewed-by: Chris Wilson chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/i915_drv.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 66163378c481..03a563ce7e6b 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1598,6 +1598,13 @@ static void i915_driver_unregister(struct drm_i915_private *dev_priv) i915_teardown_sysfs(dev_priv); drm_dev_unplug(&dev_priv->drm);
+ /* + * After unregistering the device to prevent any new users, cancel + * all in-flight requests so that we can quickly unbind the active + * resources. + */ + i915_gem_set_wedged(dev_priv); + i915_gem_shrinker_unregister(dev_priv); }