Re: [PATCH 02/19] drm/i915: fold in __intel_power_well_get/put functions

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On Tue, 18 Feb 2014 00:02:03 +0200
Imre Deak <imre.deak@xxxxxxxxx> wrote:

> These functions are used only by a single call site and are simple
> enough to just fold them in.
> 
> No functional change.
> 
> Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_pm.c | 37 +++++++++++++------------------------
>  1 file changed, 13 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index aa9c2df..db48d55 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -5305,27 +5305,6 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
>  	}
>  }
>  
> -static void __intel_power_well_get(struct drm_i915_private *dev_priv,
> -				   struct i915_power_well *power_well)
> -{
> -	if (!power_well->count++ && power_well->set) {
> -		hsw_disable_package_c8(dev_priv);
> -		power_well->set(dev_priv, power_well, true);
> -	}
> -}
> -
> -static void __intel_power_well_put(struct drm_i915_private *dev_priv,
> -				   struct i915_power_well *power_well)
> -{
> -	WARN_ON(!power_well->count);
> -
> -	if (!--power_well->count && power_well->set &&
> -	    i915.disable_power_well) {
> -		power_well->set(dev_priv, power_well, false);
> -		hsw_enable_package_c8(dev_priv);
> -	}
> -}
> -
>  void intel_display_power_get(struct drm_i915_private *dev_priv,
>  			     enum intel_display_power_domain domain)
>  {
> @@ -5338,7 +5317,10 @@ void intel_display_power_get(struct drm_i915_private *dev_priv,
>  	mutex_lock(&power_domains->lock);
>  
>  	for_each_power_well(i, power_well, BIT(domain), power_domains)
> -		__intel_power_well_get(dev_priv, power_well);
> +		if (!power_well->count++ && power_well->set) {
> +			hsw_disable_package_c8(dev_priv);
> +			power_well->set(dev_priv, power_well, true);
> +		}
>  
>  	power_domains->domain_use_count[domain]++;
>  
> @@ -5359,8 +5341,15 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
>  	WARN_ON(!power_domains->domain_use_count[domain]);
>  	power_domains->domain_use_count[domain]--;
>  
> -	for_each_power_well_rev(i, power_well, BIT(domain), power_domains)
> -		__intel_power_well_put(dev_priv, power_well);
> +	for_each_power_well_rev(i, power_well, BIT(domain), power_domains) {
> +		WARN_ON(!power_well->count);
> +
> +		if (!--power_well->count && power_well->set &&
> +				i915.disable_power_well) {
> +			power_well->set(dev_priv, power_well, false);
> +			hsw_enable_package_c8(dev_priv);
> +		}
> +	}
>  
>  	mutex_unlock(&power_domains->lock);
>  }

Reviewed-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>

-- 
Jesse Barnes, Intel Open Source Technology Center
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