[PATCH 26/26] drm/omap: panel-lgphilips-lb035q02: Add note for incorrect data drive edge and DE level

Peter Ujfalusi peter.ujfalusi at ti.com
Thu Sep 1 11:23:20 UTC 2016


According to the datasheet of the panel, both data, DEN and sync signals
are expected to be driven on the falling edge of the DOTCLK.
The DE is active low according to the documentation.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
---
 drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
index b36fa0a57b61..43d21edb51f5 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
@@ -36,6 +36,11 @@ static struct videomode lb035q02_vm = {
 	.flags		= DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
 			  DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_NEGEDGE |
 			  DISPLAY_FLAGS_PIXDATA_POSEDGE,
+	/*
+	 * Note: According to the panel documentation:
+	 * DE is active LOW
+	 * DATA needs to be driven on the FALLING edge
+	 */
 };
 
 struct panel_drv_data {
-- 
2.9.3



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