[PATCH] gpu/drm/msm: fix shutdown hook in case GPU components failed to bind

[Fabio Estevam]

Hi Dmitry,

On Mon, Mar 1, 2021 at 6:41 PM Dmitry Baryshkov
<dmitry.baryshkov at linaro.org> wrote:

> diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
> index 6a326761dc4a..2fd0cf6421ad 100644
> --- a/drivers/gpu/drm/msm/msm_atomic.c
> +++ b/drivers/gpu/drm/msm/msm_atomic.c
> @@ -207,7 +207,12 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state)
>         struct msm_kms *kms = priv->kms;
>         struct drm_crtc *async_crtc = NULL;
>         unsigned crtc_mask = get_crtc_mask(state);
> -       bool async = kms->funcs->vsync_time &&
> +       bool async;
> +
> +       if (!kms)
> +               return;
> +
> +       async = kms->funcs->vsync_time &&
>                         can_do_async(state, &async_crtc);

I also see the same issue on a i.MX53:
https://lists.freedesktop.org/archives/freedreno/2021-January/009369.html

Then I got a different suggestion from Rob. Please check:

https://www.spinics.net/lists/dri-devel/msg286648.html
and
https://www.spinics.net/lists/dri-devel/msg286649.html

Does this series fix the issue in your platform too?