drm/i915/gt: Flush the requests after wedging on suspend

Retire all requests if we resort to wedged the driver on suspend. They
will now be idle, so we might as we free them before shutting down.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191118230254.2615942-16-chris@chris-wilson.co.uk

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
index e61f752..470fbdc 100644 (file)
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
@@ -257,6 +257,7 @@ static void wait_for_suspend(struct intel_gt *gt)
                 * the gpu quiet.
                 */
                intel_gt_set_wedged(gt);
+               intel_gt_retire_requests(gt);
        }
 
        intel_gt_pm_wait_for_idle(gt);