Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
> Only serialise with the chipset using an mmio if the chipset is
> currently active. We expect that any writes into the chipset range will
> simply be forgotten until it wakes up.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
>From other threads,
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gt/intel_gt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
> index b5a9b87e4ec9..c4fd8d65b8a3 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt.c
> +++ b/drivers/gpu/drm/i915/gt/intel_gt.c
> @@ -304,7 +304,7 @@ void intel_gt_flush_ggtt_writes(struct intel_gt *gt)
>
> intel_gt_chipset_flush(gt);
>
> - with_intel_runtime_pm(uncore->rpm, wakeref) {
> + with_intel_runtime_pm_if_in_use(uncore->rpm, wakeref) {
> unsigned long flags;
>
> spin_lock_irqsave(&uncore->lock, flags);
> --
> 2.24.0
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