[PATCH 0/6] drm: Add mouse cursor hotspot support to atomic KMS

[Javier Martinez Canillas]

[adding Zack Rusin again who seems to have fallen from the Cc list]

Albert Esteve <aesteve at redhat.com> writes:
> On 6/10/22 10:59, Daniel Vetter wrote:
>> On Fri, Jun 10, 2022 at 10:41:05AM +0200, Daniel Vetter wrote:

[...]

>>> - third issue: These special virtual display properties arent documented.
>>>    Aside from hotspot there's also suggested X/Y and maybe other stuff. I
>>>    have no idea what suggested X/Y does and what userspace should do with
>>>    it. I think we need a new section for virtualized drivers which:
>>>    - documents all the properties involved
>>>    - documents the new cap for enabling virtual cursor planes
>>>    - documents some of the key flows that compositors should implement for
>>>      best experience
>>>    - documents how exactly the user experience will degrade if compositors
>>>      pretend it's just a normal kms driver (maybe put that into each of the
>>>      special flows that a compositor ideally supports)
>>>    - whatever other comments and gaps I've missed, I'm sure
>>>      Simon/Pekka/others will chime in once the patch exists.

What is missing for these patches to land? If I understood correctly is
just these properties documentation that Sima asked above ?

>> Great bonus would be an igt which demonstrates these flows. With the
>> interactive debug breakpoints to wait for resizing or whatever this should
>> be all neatly possible.
>> -Daniel
>
> Hi all,
>
> We have been testing the v2 of this patch and it works correctly for us.
>
> First we tested with a patched Mutter, the mouse clicks were correct, 
> and behavior was as expected.
>
> But I've also added an IGT test as suggested above: 
> https://gitlab.freedesktop.org/aesteve/igt-gpu-tools/-/compare/master...modeset-cursor-hotspot-test?from_project_id=1274
>
> I could post the IGT patch upstream once Zack's patches land.
>

Zack, are you planning to re-spin the series soon? Otherwise Albert could
continue working on that if you prefer.

> Hope that helps!
>
> -Albert
>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat