diff mbox series

[2/2] drm/i915: Mark GEM wedged right after marking device unplugged

Message ID 20190405130235.7707-3-janusz.krzysztofik@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series Stop users from using the device on driver unbind | expand

Commit Message

Janusz Krzysztofik April 5, 2019, 1:02 p.m. UTC 
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.

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
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 mbox series

Patch

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);
 }