linux-kernel - Re: (subset) [PATCH] drm/vc4: Fix deadlock on DSI device attach error

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Message-Id: <164258346063.31836.9424358467323476627.b4-ty@cerno.tech>
Date:   Wed, 19 Jan 2022 10:11:05 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     dri-devel@...ts.freedesktop.org,
        Padmanabha Srinivasaiah <treasure4paddy@...il.com>,
        mripard@...nel.org, linux-kernel@...r.kernel.org, daniel@...ll.ch,
        airlied@...ux.ie
Cc:     Maxime Ripard <maxime@...no.tech>, emma@...olt.net,
        linux-rpi-kernel@...ts.infradead.org
Subject: Re: (subset) [PATCH] drm/vc4: Fix deadlock on DSI device attach error

On Tue, 18 Jan 2022 01:51:26 +0100, Padmanabha Srinivasaiah wrote:
> DSI device attach to DSI host will be done with host device's lock
> held.
> 
> Un-registering host in "device attach" error path (ex: probe retry)
> will result in deadlock with below call trace and non operational
> DSI display.
> 
> [...]

Applied to drm/drm-misc (drm-misc-next-fixes).

Thanks!
Maxime