diff options
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_device.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_device.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_job.c | 4 |
3 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c index 91e8fb0f2b25..970f669c6d29 100644 --- a/drivers/gpu/drm/panfrost/panfrost_device.c +++ b/drivers/gpu/drm/panfrost/panfrost_device.c @@ -98,6 +98,7 @@ int panfrost_device_init(struct panfrost_device *pfdev) struct resource *res; mutex_init(&pfdev->sched_lock); + mutex_init(&pfdev->reset_lock); INIT_LIST_HEAD(&pfdev->scheduled_jobs); spin_lock_init(&pfdev->hwaccess_lock); diff --git a/drivers/gpu/drm/panfrost/panfrost_device.h b/drivers/gpu/drm/panfrost/panfrost_device.h index 1ba48d105763..56f452dfb490 100644 --- a/drivers/gpu/drm/panfrost/panfrost_device.h +++ b/drivers/gpu/drm/panfrost/panfrost_device.h @@ -78,6 +78,7 @@ struct panfrost_device { struct list_head scheduled_jobs; struct mutex sched_lock; + struct mutex reset_lock; struct { struct devfreq *devfreq; diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c index 0a7ed04f7d52..a5716c8fe8b3 100644 --- a/drivers/gpu/drm/panfrost/panfrost_job.c +++ b/drivers/gpu/drm/panfrost/panfrost_job.c @@ -384,6 +384,8 @@ static void panfrost_job_timedout(struct drm_sched_job *sched_job) job_read(pfdev, JS_TAIL_LO(js)), sched_job); + mutex_lock(&pfdev->reset_lock); + for (i = 0; i < NUM_JOB_SLOTS; i++) drm_sched_stop(&pfdev->js->queue[i].sched); @@ -406,6 +408,8 @@ static void panfrost_job_timedout(struct drm_sched_job *sched_job) /* restart scheduler after GPU is usable again */ for (i = 0; i < NUM_JOB_SLOTS; i++) drm_sched_start(&pfdev->js->queue[i].sched, true); + + mutex_unlock(&pfdev->reset_lock); } static const struct drm_sched_backend_ops panfrost_sched_ops = { |