On Fri, Jul 06, 2018 at 09:59:47PM +0100, Chris Wilson wrote:
> Inside the mock GEM device, we try to grab the runtime pm for the fake
> device to prevent it from ever suspending. However, if CONFIG_PM is not
> set, trying to obtain the wakref returns an error which we WARN about.
> Suppress the expected warning.
> 
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
> ---
>  drivers/gpu/drm/i915/selftests/mock_gem_device.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c 
> b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> index c97075c5ccaf..43ed8b28aeaa 100644
> --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> @@ -157,7 +157,8 @@ struct drm_i915_private *mock_gem_device(void)
>       dev_pm_domain_set(&pdev->dev, &pm_domain);
>       pm_runtime_enable(&pdev->dev);
>       pm_runtime_dont_use_autosuspend(&pdev->dev);
> -     WARN_ON(pm_runtime_get_sync(&pdev->dev));
> +     if (pm_runtime_enabled(&pdev->dev))

I have the impression there are more places that we need this check...

Reviewed-by: Rodrigo Vivi <rodrigo.v...@intel.com>

> +             WARN_ON(pm_runtime_get_sync(&pdev->dev));
>  
>       i915 = (struct drm_i915_private *)(pdev + 1);
>       pci_set_drvdata(pdev, i915);
> -- 
> 2.18.0
> 
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