diff options
| author | Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> | 2023-03-23 13:54:58 +0100 |
|---|---|---|
| committer | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2023-03-24 10:50:27 +0100 |
| commit | 6013aa84ee45fd0faa23fc6312a1af60b06d408b (patch) | |
| tree | 45bf1163a4538af6fd7b3c2a7affc48b4e3f0b46 /drivers/accel/ivpu | |
| parent | 4522ad764d7e99a79de817fcbc682ebcc75d01fe (diff) | |
accel/ivpu: Cancel recovery work
Prevent running recovery_work after device is removed.
Fixes: 852be13f3bd3 ("accel/ivpu: Add PM support")
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323125504.2586442-3-stanislaw.gruszka@linux.intel.com
Diffstat (limited to 'drivers/accel/ivpu')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_drv.c | 2 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_pm.c | 17 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_pm.h | 1 |
3 files changed, 17 insertions, 3 deletions
diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index ac06bbfca920..d9e311b40348 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -580,6 +580,8 @@ static void ivpu_dev_fini(struct ivpu_device *vdev) ivpu_pm_disable(vdev); ivpu_shutdown(vdev); ivpu_job_done_thread_fini(vdev); + ivpu_pm_cancel_recovery(vdev); + ivpu_ipc_fini(vdev); ivpu_fw_fini(vdev); ivpu_mmu_global_context_fini(vdev); diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c index 553bcbd787b3..7df72fa8100f 100644 --- a/drivers/accel/ivpu/ivpu_pm.c +++ b/drivers/accel/ivpu/ivpu_pm.c @@ -98,12 +98,18 @@ retry: static void ivpu_pm_recovery_work(struct work_struct *work) { struct ivpu_pm_info *pm = container_of(work, struct ivpu_pm_info, recovery_work); - struct ivpu_device *vdev = pm->vdev; + struct ivpu_device *vdev = pm->vdev; char *evt[2] = {"IVPU_PM_EVENT=IVPU_RECOVER", NULL}; int ret; - ret = pci_reset_function(to_pci_dev(vdev->drm.dev)); - if (ret) +retry: + ret = pci_try_reset_function(to_pci_dev(vdev->drm.dev)); + if (ret == -EAGAIN && !drm_dev_is_unplugged(&vdev->drm)) { + cond_resched(); + goto retry; + } + + if (ret && ret != -EAGAIN) ivpu_err(vdev, "Failed to reset VPU: %d\n", ret); kobject_uevent_env(&vdev->drm.dev->kobj, KOBJ_CHANGE, evt); @@ -306,6 +312,11 @@ int ivpu_pm_init(struct ivpu_device *vdev) return 0; } +void ivpu_pm_cancel_recovery(struct ivpu_device *vdev) +{ + cancel_work_sync(&vdev->pm->recovery_work); +} + void ivpu_pm_enable(struct ivpu_device *vdev) { struct device *dev = vdev->drm.dev; diff --git a/drivers/accel/ivpu/ivpu_pm.h b/drivers/accel/ivpu/ivpu_pm.h index dc1b3758e13f..baca98187255 100644 --- a/drivers/accel/ivpu/ivpu_pm.h +++ b/drivers/accel/ivpu/ivpu_pm.h @@ -21,6 +21,7 @@ struct ivpu_pm_info { int ivpu_pm_init(struct ivpu_device *vdev); void ivpu_pm_enable(struct ivpu_device *vdev); void ivpu_pm_disable(struct ivpu_device *vdev); +void ivpu_pm_cancel_recovery(struct ivpu_device *vdev); int ivpu_pm_suspend_cb(struct device *dev); int ivpu_pm_resume_cb(struct device *dev); |