linux-kernel - Re: [RFT PATCH 4/6] drm/ssd130x: Call drm_atomic_helper

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Message-ID: <CAD=FV=XrhPxrYRP4A4vcKyq+euhfyWq3rzs2egXB51fdFNSLZQ@mail.gmail.com>
Date:   Thu, 21 Sep 2023 11:47:21 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     dri-devel@...ts.freedesktop.org, Maxime Ripard <mripard@...nel.org>
Cc:     airlied@...il.com, daniel@...ll.ch, javierm@...hat.com,
        linux-kernel@...r.kernel.org
Subject: Re: [RFT PATCH 4/6] drm/ssd130x: Call drm_atomic_helper_shutdown() at
 remove time

Hi,

On Fri, Sep 1, 2023 at 4:40 PM Douglas Anderson <dianders@...omium.org> wrote:
>
> Based on grepping through the source code, this driver appears to be
> missing a call to drm_atomic_helper_shutdown() at remove time. Let's
> add it.
>
> The fact that we should call drm_atomic_helper_shutdown() in the case
> of OS driver remove comes straight out of the kernel doc "driver
> instance overview" in drm_drv.c.
>
> Suggested-by: Maxime Ripard <mripard@...nel.org>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---
> This commit is only compile-time tested.
>
> NOTE: I'm not 100% sure this is the correct thing to do, but I _think_
> so. Please shout if you know better.
>
>  drivers/gpu/drm/solomon/ssd130x.c | 1 +
>  1 file changed, 1 insertion(+)

Landed this to drm-misc-next. Since I wasn't 100% sure, if someone
finds that this is bad after-the-fact, we can certainly revert.

10c8204c8b17 drm/ssd130x: Call drm_atomic_helper_shutdown() at remove time