Re: [PATCH RFC 0/8] drm: Add DRM_MODE_ATOMIC_RESET flag

[Maxime Ripard <mripard@kernel.org>]

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On Fri, Jul 17, 2026 at 03:03:10PM +0200, Xaver Hugl wrote:
> Am Do., 16. Juli 2026 um 10:26 Uhr schrieb Maxime Ripard <mripard@kernel.org>:
> > > The compositor may use the same CRTC states, modes etc; whether or not
> > > the commit actually ends up requiring a modeset depends entirely on
> > > the exact contents of the commit. So I definitely wouldn't require
> > > ALLOW_MODESET.
> >
> > Just to make sure we're on the same page, you're saying that when using
> > the reset flag, the compositor is expected to fill the state with enough
> > that a modeset is unlikely to happen anyway?
> 
> I'm saying that it's no different from a "normal" commit, and should
> just follow the normal rules for whether or not a commit needs
> allow_modeset. You can't make assumptions about which properties the
> compositor will or will not set.

Ah, I see what you mean now, thanks. It makes total sense indeed, I'll
drop that part from the cover letter.

Maxime

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