[PATCH 8/9] drm/nouveau/kms: Fix runtime PM leak in nouveau_display_acpi_ntfy()

[Lyude Paul]

Signed-off-by: Lyude Paul <lyude at redhat.com>
Fixes: 79e765ad665d ("drm/nouveau/drm/nouveau: Prevent handling ACPI HPD events too early")
Cc: stable at vger.kernel.org
Cc: Ben Skeggs <bskeggs at redhat.com>
Cc: dri-devel at lists.freedesktop.org
Cc: nouveau at lists.freedesktop.org
Cc: <stable at vger.kernel.org> # v4.19+
---
 drivers/gpu/drm/nouveau/nouveau_display.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 96c9e7f550537..ad63d4f052deb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -479,6 +479,8 @@ nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
 	} else {
 		NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
 			ret);
+		pm_runtime_mark_last_busy(drm->dev->dev);
+		pm_runtime_put_autosuspend(drm->dev->dev);
 	}
 
 	/* acpi-video should not generate keypresses for this */
-- 
2.26.2