linux-kernel - Re: [PATCH] drm/client: Detect when ACPI lid is closed during initialization

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Message-ID: <CAP-bSRadDh0=WPepQUC3QhZf5x6Y1DdDT=qcEGwRrHXkOD8zmw@mail.gmail.com>
Date: Mon, 27 May 2024 17:30:34 +0100
From: Chris Bainbridge <chris.bainbridge@...il.com>
To: Mario Limonciello <mario.limonciello@....com>
Cc: dri-devel@...ts.freedesktop.org, amd-gfx@...ts.freedesktop.org, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
	linux-kernel@...r.kernel.org, Alex Deucher <alexander.deucher@....com>
Subject: Re: [PATCH] drm/client: Detect when ACPI lid is closed during initialization

On Mon, 27 May 2024 at 15:23, Mario Limonciello
<mario.limonciello@....com> wrote:
>
> If the lid on a laptop is closed when eDP connectors are populated
> then it remains enabled when the initial framebuffer configuration
> is built.
>
> When creating the initial framebuffer configuration detect the ACPI
> lid status and if it's closed disable any eDP connectors.
>
> Suggested-by: Alex Deucher <alexander.deucher@....com>
> Reported-by: Chris Bainbridge <chris.bainbridge@...il.com>
> Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3349
> Signed-off-by: Mario Limonciello <mario.limonciello@....com>
> ---
>  drivers/gpu/drm/drm_client_modeset.c | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)

Thanks. Works for me.
Note that I tested against mainline commit f0cd69b8cca6 due to
regression https://lore.kernel.org/all/CABXGCsN1z2gj99zSdhQWynpTXBymrqHejDfF8axxxoiZ_0g_-g@mail.gmail.com/