On Thu, Oct 25, 2018 at 03:21:31PM -0700, Douglas Anderson wrote:
> If the HPD signal isn't hooked up to this panel we need a 200 ms
> delay. In the datasheet this is shown as the maximum time that HPD
> will take to be asserted after power is given to the panel.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
Reviewed-by: Sean Paul <sean@xxxxxxxxxx>
> ---
>
> Changes in v2:
> - Use "hpd_absent_delay" property instead of a bool + prepare delay
>
> drivers/gpu/drm/panel/panel-simple.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 687fd087b9fc..88592f9a0018 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -1396,6 +1396,7 @@ static const struct panel_desc innolux_tv123wam = {
> .height = 173,
> },
> .delay = {
> + .hpd_absent_delay = 200,
> .unprepare = 500,
> },
> };
> --
> 2.19.1.568.g152ad8e336-goog
>
--
Sean Paul, Software Engineer, Google / Chromium OS
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