linux-kernel - Re: [PATCH v2] drm: Move drm_set_preferred_mode() helper from drm_edid to drm

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Message-ID: <87le934jmj.fsf@minerva.mail-host-address-is-not-set>
Date: Fri, 05 Jan 2024 21:20:52 +0100
From: Javier Martinez Canillas <javierm@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Jani Nikula <jani.nikula@...el.com>, Daniel Vetter <daniel@...ll.ch>,
 David Airlie <airlied@...il.com>, Maarten Lankhorst
 <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>,
 Thomas Zimmermann <tzimmermann@...e.de>, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v2] drm: Move drm_set_preferred_mode() helper from
 drm_edid to drm_modes

Javier Martinez Canillas <javierm@...hat.com> writes:

> The helper is generic, it doesn't use the opaque EDID type struct drm_edid
> and is also used by drivers that only support non-probeable displays such
> as fixed panels.
>
> These drivers add a list of modes using drm_mode_probed_add() and then set
> a preferred mode using the drm_set_preferred_mode() helper.
>
> It seems more logical to have the helper definition in drm_modes.o instead
> of drm_edid.o, since the former contains modes helper while the latter has
> helpers to manage the EDID information.
>
> Since both drm_edid.o and drm_modes.o object files are built-in the drm.o
> object, there are no functional changes. But besides being a more logical
> place for this helper, it could also allow to eventually make drm_edid.o
> optional and not included in drm.o if only fixed panels must be supported
> in a given system.
>
> Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>
> Reviewed-by: Jani Nikula <jani.nikula@...el.com>
> ---

Pushed to drm-misc (drm-misc-next). Thanks!

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat