From: Andrzej Kacprowski <Andrzej.Kacprowski@xxxxxxxxx> Increment the runtime PM counter when entering ivpu_context_abort_work_fn() to prevent the device from suspending while the function is executing. Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@xxxxxxxxxxxxxxx> Signed-off-by: Andrzej Kacprowski <Andrzej.Kacprowski@xxxxxxxxx> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@xxxxxxxxxxxxxxx> --- drivers/accel/ivpu/ivpu_job.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/accel/ivpu/ivpu_job.c b/drivers/accel/ivpu/ivpu_job.c index c1013f511efa6..004059e4f1e89 100644 --- a/drivers/accel/ivpu/ivpu_job.c +++ b/drivers/accel/ivpu/ivpu_job.c @@ -8,6 +8,7 @@ #include <linux/bitfield.h> #include <linux/highmem.h> #include <linux/pci.h> +#include <linux/pm_runtime.h> #include <linux/module.h> #include <uapi/drm/ivpu_accel.h> @@ -965,6 +966,9 @@ void ivpu_context_abort_work_fn(struct work_struct *work) unsigned long ctx_id; unsigned long id; + if (drm_WARN_ON(&vdev->drm, pm_runtime_get_if_active(vdev->drm.dev) <= 0)) + return; + if (vdev->fw->sched_mode == VPU_SCHEDULING_MODE_HW) ivpu_jsm_reset_engine(vdev, 0); @@ -987,7 +991,7 @@ void ivpu_context_abort_work_fn(struct work_struct *work) ivpu_mmu_discard_events(vdev); if (vdev->fw->sched_mode != VPU_SCHEDULING_MODE_HW) - return; + goto runtime_put; ivpu_jsm_hws_resume_engine(vdev, 0); /* @@ -1000,4 +1004,8 @@ void ivpu_context_abort_work_fn(struct work_struct *work) if (job->file_priv->aborted) ivpu_job_signal_and_destroy(vdev, job->job_id, DRM_IVPU_JOB_STATUS_ABORTED); mutex_unlock(&vdev->submitted_jobs_lock); + +runtime_put: + pm_runtime_mark_last_busy(vdev->drm.dev); + pm_runtime_put_autosuspend(vdev->drm.dev); } -- 2.45.1
