Re: [PATCH 09/14] drm/drv: Call drm_mode_config_create_state() by default

[Maxime Ripard]

On Mon, Mar 16, 2026 at 06:33:54PM +0200, Laurent Pinchart wrote:
> On Tue, Mar 10, 2026 at 05:07:01PM +0100, Maxime Ripard wrote:
> > Almost all drivers, and our documented skeleton, call
> > drm_mode_config_reset() prior to calling drm_dev_register() to
> > initialize its DRM object states.
> > 
> > Now that we have drm_mode_config_create_state() to create that initial
> > state if it doesn't exist, we can call it directly in
> > drm_dev_register(). That way, we know that the initial atomic state will
> > always be allocated without any boilerplate.
> 
> Should most drivers now stop calling drm_mode_config_reset() at probe
> time ?

Yes, that's my intention. For the vast majority of them, reset is just
about allocating and committing a blank state anyway.

However, for the drivers that do need to reset the hardware, we should
keep the door open (and / or provide an alternative mechanism).

Maxime

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