Re: [PATCH v2 00/28] drm: Implement state readout support

[Jani Nikula]

On Thu, 23 Apr 2026, Maxime Ripard <mripard@xxxxxxxxxx> wrote:
> Hi Jani,
>
> On Thu, Apr 23, 2026 at 01:50:59PM +0300, Jani Nikula wrote:
>> On Thu, 23 Apr 2026, Maxime Ripard <mripard@xxxxxxxxxx> wrote:
>> > Here's a series that implement what i915 calls "fastboot", ie,
>> > initializing the initial KMS state from the hardware state at boot, to
>> > skip the first modeset if the firmware already set up the display.
>> 
>> FWIW, in i915 we also use the state readout for atomic commit
>> verification. Write software state to hardware, read hardware state
>> back, compare with the original state, complain if there's a difference.
>
> I know, and this series implement it as well. Is there anything you
> wanted to point out in particular?

Oh, I didn't get that far, obviously. Just wanted to mention the feature
is not only about fastboot. Sorry for the noise.

BR,
Jani.



-- 
Jani Nikula, Intel