[Intel-gfx] [PATCH 08/17] drm/i915: Drop local struct_mutex around intel_init_emon[ilk]

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> Access to intel_init_emon() is strictly ordered by gt_powersave, using
> struct_mutex around it is overkill (and will conflict with the caller
> holding struct_mutex themselves).
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>

> ---
>  drivers/gpu/drm/i915/intel_pm.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index aba6fd036c4e..5e2a33d066c4 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -6773,9 +6773,7 @@ void intel_autoenable_gt_powersave(struct drm_i915_private *dev_priv)
>  
>  	if (IS_IRONLAKE_M(dev_priv)) {
>  		ironlake_enable_drps(dev_priv);
> -		mutex_lock(&dev_priv->drm.struct_mutex);
>  		intel_init_emon(dev_priv);
> -		mutex_unlock(&dev_priv->drm.struct_mutex);
>  	} else if (INTEL_INFO(dev_priv)->gen >= 6) {
>  		/*
>  		 * PCU communication is slow and this doesn't need to be
> -- 
> 2.9.3
>
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