Re: linux-next: merge conflict between drm-misc and sound trees

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On Wed, 14 Mar 2018 07:38:01 +0100,
Lukas Wunner wrote:
> 
> Dear Stephen,
> 
> when rebuilding linux-next you're going to see a merge conflict in:
> 
>   sound/pci/hda/hda_intel.c
> 
> betwen commit:
> 
>   1ba8f9d30817 ("ALSA: hda: Add a power_save blacklist")
> 
> from the sound tree and commit:
> 
>   07f4f97d7b4b ("vga_switcheroo: Use device link for HDA controller")
> 
> from the drm-misc tree.
> 
> I recommend fixing it up like below.

FYI, there was yet another fix over the relevant code, but the
conflict resolution must be trivial as well.


thanks,

Takashi

> 
> 
> -- >8 --
> @@@ -2284,16 -2298,22 +2303,30 @@@
>   	chip->running = 1;
>   	azx_add_card_list(chip);
>   
>  +	/*
>  +	 * The discrete GPU cannot power down unless the HDA controller runtime
>  +	 * suspends, so activate runtime PM on codecs even if power_save == 0.
>  +	 */
>  +	if (use_vga_switcheroo(hda))
>  +		list_for_each_codec(codec, &chip->bus)
>  +			codec->auto_runtime_pm = 1;
>  +
> - 	snd_hda_set_power_save(&chip->bus, power_save * 1000);
> + 	val = power_save;
> + #ifdef CONFIG_PM
> + 	if (val == -1) {
> + 		const struct snd_pci_quirk *q;
> + 
> + 		val = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
> + 		q = snd_pci_quirk_lookup(chip->pci, power_save_blacklist);
> + 		if (q && val) {
> + 			dev_info(chip->card->dev, "device %04x:%04x is on the power_save blacklist, forcing power_save to 0\n",
> + 				 q->subvendor, q->subdevice);
> + 			val = 0;
> + 		}
> + 	}
> + #endif /* CONFIG_PM */
> + 	snd_hda_set_power_save(&chip->bus, val * 1000);
>  -	if (azx_has_pm_runtime(chip) || hda->use_vga_switcheroo)
>  +	if (azx_has_pm_runtime(chip))
>   		pm_runtime_put_autosuspend(&pci->dev);
>   
>   out_free:
> 
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