[PATCH 6/9] drm/nouveau/kms: Use pm_runtime_put_autosuspend() in hpd_work

Lyude Paul lyude at redhat.com
Wed Jul 29 21:37:00 UTC 2020


Again, we don't have any need to suspend the device synchronously here,
and doing so could in theory lead to a deadlock (although it's unlikely
since we've called pm_runtime_mark_last_busy() before-hand).

Signed-off-by: Lyude Paul <lyude at redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 63c58f12458c9..cdc5a2200f95e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -444,7 +444,7 @@ nouveau_display_hpd_work(struct work_struct *work)
 	drm_helper_hpd_irq_event(drm->dev);
 
 	pm_runtime_mark_last_busy(drm->dev->dev);
-	pm_runtime_put_sync(drm->dev->dev);
+	pm_runtime_put_autosuspend(drm->dev->dev);
 }
 
 #ifdef CONFIG_ACPI
-- 
2.26.2



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