From 87a7d5350c67aca513dc0a80f696d5583430d594 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Roberto=20de=20Souza?= Date: Wed, 29 Jun 2022 06:47:21 -0700 Subject: [PATCH] drm/i915: Drain freed object after suspend display MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Display is turned off by i915_drm_suspend() during the suspend procedure, removing the last reference of some gem objects that were used by display. The issue is that those objects are only actually freed when mm.free_work executed and that can happen very late in the suspend process causing issues. So here draining all freed objects released by display fixing suspend issues. Signed-off-by: José Roberto de Souza Reviewed-by: Matt Atwood Link: https://patchwork.freedesktop.org/patch/msgid/20220629134721.48375-1-jose.souza@intel.com --- drivers/gpu/drm/i915/i915_driver.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 2bd45e5..a67f207 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -1163,6 +1163,8 @@ static int i915_drm_suspend(struct drm_device *dev) enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); + i915_gem_drain_freed_objects(dev_priv); + return 0; } -- 2.7.4