On Mon, 06 Dec 2021 18:02:39 -0800, Umesh Nerlige Ramappa wrote:
>
> GuC PMU busyness gets gt wakeref if awake, but fails to release the
> wakeref if a reset is in progress. Release the wakeref if it was
> acquried successfully.
>
> v2: Simplify the fix (Ashutosh)
Reviewed-by: Ashutosh Dixit <ashutosh.di...@intel.com>
> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.rama...@intel.com>
> ---
> drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> index 1f9d4fde421f..97311119da6f 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> @@ -1206,7 +1206,7 @@ static ktime_t guc_engine_busyness(struct
> intel_engine_cs *engine, ktime_t *now)
> * start_gt_clk is derived from GuC state. To get a consistent
> * view of activity, we query the GuC state only if gt is awake.
> */
> - if (intel_gt_pm_get_if_awake(gt) && !in_reset) {
> + if (!in_reset && intel_gt_pm_get_if_awake(gt)) {
> stats_saved = *stats;
> gt_stamp_saved = guc->timestamp.gt_stamp;
> guc_update_engine_gt_clks(engine);
> --
> 2.20.1
>
