linux-kernel - Re: [PATCH 09/10] drm/msm: use drmm_mode_config

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Date:   Mon, 6 Mar 2023 14:31:44 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Johan Hovold <johan+linaro@...nel.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 09/10] drm/msm: use drmm_mode_config_init()

On Mon, Mar 06, 2023 at 02:38:37PM +0200, Dmitry Baryshkov wrote:
> On 06/03/2023 12:07, Johan Hovold wrote:
> > Switch to using drmm_mode_config_init() so that the mode config is
> > released when the last reference to the DRM device is dropped rather
> > than unconditionally at unbind() (which may be too soon).
> 
> This also means that drm_bridge_detach() might be called at some point 
> after unbind(), which might be too late.

Indeed.

Please disregard this patch. It's not needed to fix the bind error paths
anyway.

Johan