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@xxxxxxxxxx> > Reviewed-by: Maxime Ripard <mripard@xxxxxxxxxx> > Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx> > --- > 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@xxxxxxxxxx>
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