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 e61f752a3cd56807d9e4d1c57d00a6951853f14b..470fbdc30e5afca16e37a4ee66a18c988529de72 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);