pm_runtime_resume_and_get() sets dev->power.runtime_error that causes
all subsequent pm_runtime_get_sync() calls to fail.
Clear the runtime_error using pm_runtime_set_suspended(), so the driver
doesn't have to be reloaded to recover when the NPU fails to boot during
runtime resume.
Fixes: 7d4b4c74432d ("accel/ivpu: Remove suspend_reschedule_counter")
Cc: <sta...@vger.kernel.org> # v6.11+
Reviewed-by: Maciej Falkowski <maciej.falkow...@linux.intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynow...@linux.intel.com>
---
drivers/accel/ivpu/ivpu_pm.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index 949f4233946c6..c3774d2221326 100644
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -309,7 +309,10 @@ int ivpu_rpm_get(struct ivpu_device *vdev)
int ret;
ret = pm_runtime_resume_and_get(vdev->drm.dev);
- drm_WARN_ON(&vdev->drm, ret < 0);
+ if (ret < 0) {
+ ivpu_err(vdev, "Failed to resume NPU: %d\n", ret);
+ pm_runtime_set_suspended(vdev->drm.dev);
+ }
return ret;
}
--
2.45.1
