[PATCH v4 06/14] drm/panfrost: Expose a helper to trigger a GPU reset

[Boris Brezillon]

Expose a helper to trigger a GPU reset so we can easily trigger reset
operations outside the job timeout handler.

Signed-off-by: Boris Brezillon <boris.brezillon at collabora.com>
Reviewed-by: Steven Price <steven.price at arm.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
---
 drivers/gpu/drm/panfrost/panfrost_device.h | 8 ++++++++
 drivers/gpu/drm/panfrost/panfrost_job.c    | 4 +---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_device.h b/drivers/gpu/drm/panfrost/panfrost_device.h
index 4c876476268f..f2190f90be75 100644
--- a/drivers/gpu/drm/panfrost/panfrost_device.h
+++ b/drivers/gpu/drm/panfrost/panfrost_device.h
@@ -243,4 +243,12 @@ enum drm_panfrost_exception_type {
 
 const char *panfrost_exception_name(u32 exception_code);
 
+static inline void
+panfrost_device_schedule_reset(struct panfrost_device *pfdev)
+{
+	/* Schedule a reset if there's no reset in progress. */
+	if (!atomic_xchg(&pfdev->reset.pending, 1))
+		schedule_work(&pfdev->reset.work);
+}
+
 #endif
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
index 3cd1aec6c261..be8f68f63974 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -458,9 +458,7 @@ static enum drm_gpu_sched_stat panfrost_job_timedout(struct drm_sched_job
 	if (!panfrost_scheduler_stop(&pfdev->js->queue[js], sched_job))
 		return DRM_GPU_SCHED_STAT_NOMINAL;
 
-	/* Schedule a reset if there's no reset in progress. */
-	if (!atomic_xchg(&pfdev->reset.pending, 1))
-		schedule_work(&pfdev->reset.work);
+	panfrost_device_schedule_reset(pfdev);
 
 	return DRM_GPU_SCHED_STAT_NOMINAL;
 }
-- 
2.31.1