linux-kernel - Re: [PATCH v8 14/24] drm/modes: Properly generate a drm_display

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Date:   Sat, 12 Nov 2022 17:29:32 +0100
From:   Noralf Trønnes <noralf@...nnes.org>
To:     Maxime Ripard <maxime@...no.tech>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Maxime Ripard <mripard@...nel.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Karol Herbst <kherbst@...hat.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Daniel Vetter <daniel@...ll.ch>, Lyude Paul <lyude@...hat.com>,
        Samuel Holland <samuel@...lland.org>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Emma Anholt <emma@...olt.net>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>,
        Ben Skeggs <bskeggs@...hat.com>
Cc:     nouveau@...ts.freedesktop.org, Dom Cobley <dom@...pberrypi.com>,
        intel-gfx@...ts.freedesktop.org,
        Phil Elwell <phil@...pberrypi.com>,
        linux-sunxi@...ts.linux.dev,
        Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        linux-kernel@...r.kernel.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Noralf Trønnes <noralf@...nnes.org>
Subject: Re: [PATCH v8 14/24] drm/modes: Properly generate a drm_display_mode
 from a named mode



Den 10.11.2022 12.07, skrev Maxime Ripard:
> The framework will get the drm_display_mode from the drm_cmdline_mode it
> got by parsing the video command line argument by calling
> drm_connector_pick_cmdline_mode().
> 
> The heavy lifting will then be done by the drm_mode_create_from_cmdline_mode()
> function.
> 
> In the case of the named modes though, there's no real code to make that
> translation and we rely on the drivers to guess which actual display mode
> we meant.
> 
> Let's modify drm_mode_create_from_cmdline_mode() to properly generate the
> drm_display_mode we mean when passing a named mode.
> 
> Tested-by: Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>
> Signed-off-by: Maxime Ripard <maxime@...no.tech>
> 
> ---

Reviewed-by: Noralf Trønnes <noralf@...nnes.org>