diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_drv.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_drv.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_sched.c | 2 |
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index 5e997ae8bc9c..0f53ca746004 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -107,6 +107,11 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data, case DRM_V3D_PARAM_SUPPORTS_SUPER_PAGES: args->value = !!v3d->gemfs; return 0; + case DRM_V3D_PARAM_GLOBAL_RESET_COUNTER: + mutex_lock(&v3d->reset_lock); + args->value = v3d->reset_counter; + mutex_unlock(&v3d->reset_lock); + return 0; default: DRM_DEBUG("Unknown parameter %d\n", args->param); return -EINVAL; diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h index b51f0b648a08..074cbccf88dd 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.h +++ b/drivers/gpu/drm/v3d/v3d_drv.h @@ -196,6 +196,11 @@ struct v3d_dev { * all jobs. */ struct v3d_perfmon *global_perfmon; + + /* Global reset counter. The counter must be incremented when + * a GPU reset happens. It must be protected by @reset_lock. + */ + unsigned int reset_counter; }; static inline struct v3d_dev * diff --git a/drivers/gpu/drm/v3d/v3d_sched.c b/drivers/gpu/drm/v3d/v3d_sched.c index cc85f1b19ac4..5f8198890e41 100644 --- a/drivers/gpu/drm/v3d/v3d_sched.c +++ b/drivers/gpu/drm/v3d/v3d_sched.c @@ -731,6 +731,8 @@ v3d_gpu_reset_for_timeout(struct v3d_dev *v3d, struct drm_sched_job *sched_job) /* get the GPU back into the init state */ v3d_reset(v3d); + v3d->reset_counter++; + for (q = 0; q < V3D_MAX_QUEUES; q++) drm_sched_resubmit_jobs(&v3d->queue[q].sched); |