[PATCH v2 03/17] drm/panthor: Make sure reset requests in the resume path are not lost

[Boris Brezillon <boris.brezillon@collabora.com>]

A reset might have been queued while we were resuming. Make sure it's
not lost by rescheduling it.

Fixes: 5fe909cae118 ("drm/panthor: Add the device logical block")
Reported-by: sashiko-bot@kernel.org
Closes: https://sashiko.dev/#/patchset/20260804-panthor-unplug-fixes-v1-0-abbbd2d41b13@collabora.com?part=2
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
---
 drivers/gpu/drm/panthor/panthor_device.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/panthor/panthor_device.c b/drivers/gpu/drm/panthor/panthor_device.c
index 5355c4074f1f..2520158adb03 100644
--- a/drivers/gpu/drm/panthor/panthor_device.c
+++ b/drivers/gpu/drm/panthor/panthor_device.c
@@ -570,6 +570,13 @@ int panthor_device_resume(struct device *dev)
 			    DRM_PANTHOR_USER_MMIO_OFFSET, 0, 1);
 	atomic_set(&ptdev->pm.state, PANTHOR_DEVICE_PM_STATE_ACTIVE);
 	mutex_unlock(&ptdev->pm.mmio_lock);
+
+	/* A reset might have been queued while we were resuming. Make sure
+	 * it's not lost by rescheduling it.
+	 */
+	if (atomic_read(&ptdev->reset.pending))
+		queue_work(ptdev->reset.wq, &ptdev->reset.work);
+
 	return 0;
 
 err_suspend_devfreq:

-- 
2.55.0