Re: [PATCH [RFC] v3 5/7] drm/atomic: Allow planes with NULL fb along with async flip

["Murthy, Arun R" <arun.r.murthy@intel.com>]

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On 12-01-2026 21:33, Xaver Hugl wrote:
>>> I see no request for being able to mix sync & async plane updates in a single commit.
>>>
>> Sorry maybe I might be creating more confusion or my words are not
>> giving clarity.
>>
>> Let me try to put it in simple words.
>> The
>> comment(https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13834#note_2857640)
>> from Xaver says that disabling of cursor plane along with a sync flip
>> should work.
>> Uma in the
>> comment(https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13834#note_2863599)
>> has acknowledged the changes.
> That's about a plane that was previously already disabled by a
> non-async atomic commit. The issue is about the async commit failing
> in a sequence like this:
> - disable cursor plane in sync commit
> - disable cursor plane in async commit + flip on the primary plane
>
> I would *in general* like to be able to use the cursor plane while
> doing async flips on the primary one, but I think doing that requires
> more discussion on the high level API design first.
>
Few discussion around this in the v2 version of this series.

*https://lore.kernel.org/dri-devel/16c6c70f-0b89-4a41-8e3c-835a9ce296d5@intel.com/*

Thanks and Regards,
Arun R Murthy
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