On Thu,  7 Nov 2013 19:57:49 +0200
[email protected] wrote:

> From: Ville Syrjälä <[email protected]>
> 
> Make the cur_delay limiting code a bit less prone to typo errors
> by using clamp_t().
> 
> Signed-off-by: Ville Syrjälä <[email protected]>
> ---
>  drivers/gpu/drm/i915/i915_irq.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 54338cf..b940ebe 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -966,10 +966,8 @@ static void gen6_pm_rps_work(struct work_struct *work)
>       /* sysfs frequency interfaces may have snuck in while servicing the
>        * interrupt
>        */
> -     if (new_delay < (int)dev_priv->rps.min_delay)
> -             new_delay = dev_priv->rps.min_delay;
> -     if (new_delay > (int)dev_priv->rps.max_delay)
> -             new_delay = dev_priv->rps.max_delay;
> +     new_delay = clamp_t(int, new_delay,
> +                         dev_priv->rps.min_delay, dev_priv->rps.max_delay);
>       dev_priv->rps.last_adj = new_delay - dev_priv->rps.cur_delay;
>  
>       if (IS_VALLEYVIEW(dev_priv->dev))

What a nice little helper.

Reviewed-by: Jesse Barnes <[email protected]>

-- 
Jesse Barnes, Intel Open Source Technology Center
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