diff mbox series

[3/6] drm/panel: simple: Add "no-hpd" delay for Innolux TV123WAM

Message ID 20181022204639.8558-3-dianders@chromium.org (mailing list archive)
State New, archived
Headers show
Series [1/6] dt-bindings: drm/panel: simple: Add no-hpd property | expand

Commit Message

Doug Anderson Oct. 22, 2018, 8:46 p.m. UTC 
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 mbox series

Patch

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,
 	},
 };