Re: [PATCH v2] drm/i915: Increase WM memory latency values on SNB

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On Thu, 15 May 2014, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote:
> On Thu, May 15, 2014 at 01:13:21PM +0300, Jani Nikula wrote:
>> On Thu, 08 May 2014, ville.syrjala@xxxxxxxxxxxxxxx wrote:
>> > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>> > +static void snb_wm_latency_quirk(struct drm_device *dev)
>> > +{
>> > +	struct drm_i915_private *dev_priv = dev->dev_private;
>> > +	bool changed;
>> > +
>> > +	/*
>> > +	 * The BIOS provided WM memory latency values are often
>> > +	 * inadequate for high resolution displays. Adjust them.
>> > +	 */
>> > +	changed = ilk_increase_wm_latency(dev_priv, dev_priv->wm.pri_latency, 12) |
>> > +		ilk_increase_wm_latency(dev_priv, dev_priv->wm.spr_latency, 12) |
>> > +		ilk_increase_wm_latency(dev_priv, dev_priv->wm.cur_latency, 12);
>> 
>> Nitpick, s/|/||/g for bools.
>
> Consider side effects.

Ugh I'm slow today. Some might claim business as usual. I'll hide
somewhere.

Before I head under the rock, may I say bitops on bools are still ugly?

BR,
Jani.

> -Chris
>
> -- 
> Chris Wilson, Intel Open Source Technology Centre

-- 
Jani Nikula, Intel Open Source Technology Center
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