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Message-ID: <171817900323.766520.11311110578010469430.b4-ty@kernel.org>
Date: Wed, 12 Jun 2024 09:56:59 +0200
From: Maxime Ripard <mripard@...nel.org>
To: Chun-Kuang Hu <chunkuang.hu@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Douglas Anderson <dianders@...omium.org>
Cc: Maxime Ripard <mripard@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Neil Armstrong <neil.armstrong@...aro.org>,
Fei Shao <fshao@...omium.org>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Daniel Vetter <daniel@...ll.ch>,
David Airlie <airlied@...il.com>,
Matthias Brugger <matthias.bgg@...il.com>,
dri-devel@...ts.freedesktop.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
linux-mediatek@...ts.infradead.org
Subject: Re: (subset) [PATCH v2] drm/mediatek: Call drm_atomic_helper_shutdown() at shutdown time
On Tue, 11 Jun 2024 10:27:44 -0700, Douglas Anderson wrote:
> Based on grepping through the source code this driver appears to be
> missing a call to drm_atomic_helper_shutdown() at system shutdown
> time. Among other things, this means that if a panel is in use that it
> won't be cleanly powered off at system shutdown time.
>
> The fact that we should call drm_atomic_helper_shutdown() in the case
> of OS shutdown/restart comes straight out of the kernel doc "driver
> instance overview" in drm_drv.c.
>
> [...]
Applied to misc/kernel.git (drm-misc-fixes).
Thanks!
Maxime
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