[PATCH v2 3/8] drm/tegra: Call drm_atomic_helper_shutdown() at shutdown time

[Thierry Reding]

On Thu Jun 13, 2024 at 12:23 AM CEST, Douglas Anderson wrote:
> Based on grepping through the source code this driver appears to be
> missing a call to drm_atomic_helper_shutdown() at system shutdown
> 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.
>
> The fact that we should call drm_atomic_helper_shutdown() in the case
> of OS shutdown/restart comes straight out of the kernel doc "driver
> instance overview" in drm_drv.c.
>
> Suggested-by: Maxime Ripard <mripard at kernel.org>
> Reviewed-by: Maxime Ripard <mripard at kernel.org>
> Signed-off-by: Douglas Anderson <dianders at chromium.org>
> ---
> This commit is only compile-time tested.
>
> (no changes since v1)
>
>  drivers/gpu/drm/tegra/drm.c | 6 ++++++
>  1 file changed, 6 insertions(+)

Acked-by: Thierry Reding <treding at nvidia.com>
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