diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 274c108dcb47..2446e61ea4d4 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2187,6 +2187,14 @@ static void i915_error_work_func(struct work_struct *work) kobject_uevent_env(&dev->primary->kdev->kobj, KOBJ_CHANGE, reset_event); + /* + * In most cases it's guaranteed that we get here with an RPM + * reference held, for example because there is a pending GPU + * request that won't finish until the reset is done. This + * isn't the case at least when we get here by doing a + * simulated reset via debugs, so get an RPM reference. + */ + intel_runtime_pm_get(dev_priv); /* * All state reset _must_ be completed before we update the * reset counter, for otherwise waiters might miss the reset @@ -2197,6 +2205,8 @@ static void i915_error_work_func(struct work_struct *work) intel_display_handle_reset(dev); + intel_runtime_pm_put(dev_priv); + if (ret == 0) { /* * After all the gem state is reset, increment the reset