linux-kernel - Re: [PATCH] drm/bridge: adv7511: Do not merge adv7511_mode_set() with atomic

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Message-ID: <CAMuHMdVMDd2abFFzMY_Rbm=7pnX5C2qHBsa68tF_c=bRnp3zkg@mail.gmail.com>
Date: Mon, 26 May 2025 11:13:54 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
Cc: tomm.merciai@...il.com, linux-renesas-soc@...r.kernel.org, 
	biju.das.jz@...renesas.com, Andrzej Hajda <andrzej.hajda@...el.com>, 
	Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>, Jonas Karlman <jonas@...boo.se>, 
	Jernej Skrabec <jernej.skrabec@...il.com>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>, 
	Douglas Anderson <dianders@...omium.org>, Adam Ford <aford173@...il.com>, 
	Jesse Van Gavere <jesseevg@...il.com>, dri-devel@...ts.freedesktop.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/bridge: adv7511: Do not merge adv7511_mode_set() with atomic_enable()

Hi Tommaso,

On Mon, 26 May 2025 at 10:55, Tommaso Merciai
<tommaso.merciai.xr@...renesas.com> wrote:
> After adv7511_mode_set() was merged into .atomic_enable(), only the
> native resolution is working when using modetest.
>
> This is caused by incorrect timings: adv7511_mode_set() must not be
> merged into .atomic_enable().
>
> Move adv7511_mode_set() back to the .mode_set() callback in
> drm_bridge_funcs to restore correct behavior.

Thanks for your patch!

> Fixes: 0a9e2f0a6466 ("drm/bridge: adv7511: switch to the HDMI connector helpers")

I can't find that commit? I guess you mean:
Fixes: ae01d3183d2763ed ("drm/bridge: adv7511: switch to the HDMI
connector helpers")

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds