Re: [PATCH v2 00/28] drm: Implement state readout support
From: Maxime Ripard
Date: Thu Apr 23 2026 - 07:05:35 EST
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?
Maxime
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