linux-kernel - Re: [RFT PATCH 5/6] drm: Call drm_atomic_helper_shutdown() at shutdown/remove time for misc drivers

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Message-ID: <1506b6324d05084097f1971520d76fa0.mripard@kernel.org>
Date:   Mon, 04 Sep 2023 08:00:34 +0000
From:   "Maxime Ripard" <mripard@...nel.org>
To:     "Douglas Anderson" <dianders@...omium.org>
Cc:     airlied@...il.com, airlied@...hat.com,
        alexandre.torgue@...s.st.com, andrew@...id.au, daniel@...ll.ch,
        dri-devel@...ts.freedesktop.org, emma@...olt.net,
        hdegoede@...hat.com, jfalempe@...hat.com, joel@....id.au,
        jyri.sarha@....fi, linus.walleij@...aro.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        mcoquelin.stm32@...il.com, philippe.cornu@...s.st.com,
        raphael.gallais-pou@...s.st.com, tomi.valkeinen@...asonboard.com,
        tzimmermann@...e.de, yannick.fertre@...s.st.com,
        "Maxime Ripard" <mripard@...nel.org>
Subject: Re: [RFT PATCH 5/6] drm: Call drm_atomic_helper_shutdown() at
 shutdown/remove time for misc drivers

On Fri, 1 Sep 2023 16:39:56 -0700, Douglas Anderson wrote:
> Based on grepping through the source code these drivers appear to be
> missing a call to drm_atomic_helper_shutdown() at system shutdown time
> and at driver remove (or unbind) 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.
> 
> [ ... ]

Acked-by: Maxime Ripard <mripard@...nel.org>

Thanks!
Maxime