[Intel-gfx] [PATCH v4 2/5] drm/i915: Add support for audio driver notifications

[Jani Nikula]

On Mon, 23 Jan 2017, Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com> wrote:
>>>  #include <drm/drmP.h>
>>> @@ -630,6 +631,10 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder,
>>>  	if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify)
>>>  		acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr,
>>>  						 (int) port, (int) pipe);
>>> +
>>> +	if (HAS_LPE_AUDIO(dev_priv))
>>> +		intel_lpe_audio_notify(dev_priv, connector->eld, port,
>>> +			crtc_state->port_clock);
>>
>> Seems unnecessary to check for HAS_LPE_AUDIO (which you'll change to
>> dev_priv->lpe_audio.platdev, right ;) both in the caller and
>> callee. Pick one.
>
> If we test inside of the function, it'd mean an unconditional jump to 
> test a feature that exists on only two platforms out of the dozen or so 
> that this i915 driver handles. No objection to do the change but is this 
> really desired?

*shrug* no big deal to check in both.

BR,
Jani.

>
>

-- 
Jani Nikula, Intel Open Source Technology Center