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: stable@vger.kernel.org # v6.11+ Reviewed-by: Maciej Falkowski maciej.falkowski@linux.intel.com Signed-off-by: Jacek Lawrynowicz jacek.lawrynowicz@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; }