Quoting Douglas Anderson (2021-01-15 14:44:16)
> If the HPD signal never asserts in panel_simple_prepare() and we
> return an error, we should unset the enable GPIO and disable the
> regulator to make it consistent for the caller.
>
> At the moment I have some hardware where HPD sometimes doesn't assert.
> Obviously that needs to be debugged, but this patch makes it so that
> if I add a retry that I can make things work.
>
> Fixes: 48834e6084f1 ("drm/panel-simple: Support hpd-gpios for delaying prepare()")
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---
Nice catch on the unprepared_time
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
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