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Message-ID: <b0037097-b917-9069-7d8f-07e0317d6b9f@linux.intel.com>
Date: Tue, 25 Jul 2023 13:52:32 +0200
From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
alsa-devel@...a-project.org
Cc: sound-open-firmware@...a-project.org, linux-kernel@...r.kernel.org,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Cezary Rojewski <cezary.rojewski@...el.com>,
Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
Bard Liao <yung-chuan.liao@...ux.intel.com>,
Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
Mark Brown <broonie@...nel.org>,
Daniel Baluta <daniel.baluta@....com>
Subject: Re: [PATCH v2 2/9] ALSA: hda/i915: Allow override of gpu binding.
>>>> @@ -121,6 +128,9 @@ static int i915_gfx_present(struct pci_dev
>>>> *hdac_pci)
>>>> {
>>>> struct pci_dev *display_dev = NULL;
>>>> + if (!gpu_bind || (gpu_bind < 0 &&
>>>> video_firmware_drivers_only()))
>>>> + return false;
>>
>>
>> Bear with me since I am just going back to work mode but I can't figure
>> out what the second part of the test does
>>
>> bool video_firmware_drivers_only(void)
>> {
>> return video_nomodeset;
>> }
>> EXPORT_SYMBOL(video_firmware_drivers_only);
>>
>> and video_nomodeset=1 by default, so why would we return false when
>> gpu_bind = -1?
>>
>> This seems to be a change of functionality, what am I missing?
> video_nomodeset is 0 by default, only when nomodeset is given as
> argument is it set to 1. :-)
I must be missing something on how the default is handled.
bool video_firmware_drivers_only(void)
{
return video_nomodeset;
}
EXPORT_SYMBOL(video_firmware_drivers_only);
static int __init disable_modeset(char *str)
{
video_nomodeset = true;
isn't default 'true' then?
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