Messages in this thread Patch in this message | | | From | Douglas Anderson <> | Subject | [PATCH 3/6] drm/panel: simple: Add "no-hpd" delay for Innolux TV123WAM | Date | Mon, 22 Oct 2018 13:46:36 -0700 |
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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@chromium.org> ---
drivers/gpu/drm/panel/panel-simple.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 38c646fb55fd..937e97490c30 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1393,6 +1393,8 @@ static const struct panel_desc innolux_tv123wam = { .height = 173, }, .delay = { + .prepare = 200, + .prepare_delay_only_if_no_hpd = true, .unprepare = 500, }, }; -- 2.19.1.568.g152ad8e336-goog
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