linux-kernel - Re: [PATCH] drm/edid: Add Vive Pro 2 to non-desktop list

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Date:   Mon, 13 Feb 2023 13:08:42 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Yaroslav Bolyukin <iam@...h.pw>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Cc:     David Airlie <airlied@...ux.ie>,
        Thomas Zimmermann <tzimmermann@...e.de>
Subject: Re: [PATCH] drm/edid: Add Vive Pro 2 to non-desktop list

On 2/13/23 12:56, Jani Nikula wrote:
> On Sun, 12 Feb 2023, Dmitry Osipenko <dmitry.osipenko@...labora.com> wrote:
>> Hi,
>>
>> On 1/18/22 20:00, Yaroslav Bolyukin wrote:
>>
>> Add a brief commit message, describing a user-visible effect of this
>> patch. Tell that this change prevents exposing headset as a regular
>> display to the system, while it will work with SteamVR.
>>
>>> Signed-off-by: Yaroslav Bolyukin <iam@...h.pw>
>>> ---
>>>  drivers/gpu/drm/drm_edid.c | 3 ++-
>>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
>>> index 12893e7be..fdb8f0a6f 100644
>>> --- a/drivers/gpu/drm/drm_edid.c
>>> +++ b/drivers/gpu/drm/drm_edid.c
>>> @@ -200,9 +200,10 @@ static const struct edid_quirk {
>>>  	EDID_QUIRK('V', 'L', 'V', 0x91be, EDID_QUIRK_NON_DESKTOP),
>>>  	EDID_QUIRK('V', 'L', 'V', 0x91bf, EDID_QUIRK_NON_DESKTOP),
>>>  
>>> -	/* HTC Vive and Vive Pro VR Headsets */
>>> +	/* HTC Vive, Vive Pro and Vive Pro 2 VR Headsets */
>>
>> Nit: I'd keep the original comment, or change it to a generic "HTC VR
>> Headsets" to prevent further comment changes
>>
>>>  	EDID_QUIRK('H', 'V', 'R', 0xaa01, EDID_QUIRK_NON_DESKTOP),
>>>  	EDID_QUIRK('H', 'V', 'R', 0xaa02, EDID_QUIRK_NON_DESKTOP),
>>> +	EDID_QUIRK('H', 'V', 'R', 0xaa04, EDID_QUIRK_NON_DESKTOP),
>>>  
>>>  	/* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
>>>  	EDID_QUIRK('O', 'V', 'R', 0x0001, EDID_QUIRK_NON_DESKTOP),
>>>
>>> base-commit: 99613159ad749543621da8238acf1a122880144e
>>
>> Please send the v2 patch with the added EDID for Cosmos VR and the
>> addressed comments. Thanks!
> 
> Yeah, we'll need to EDID to check that it doesn't have the Microsoft
> VSDB to indicate non-desktop. See 2869f599c0d8 ("drm/edid: support
> Microsoft extension for HMDs and specialized monitors").

Do you mean to skip using the EDID_QUIRK_NON_DESKTOP if MS VSDB entry
presents in the EDID?

These HTC EDIDs don't have MS VSDB, otherwise the quirk wouldn't be needed.

-- 
Best regards,
Dmitry