From 737b513b4c6341fe43d9a5d5d97fc4fe7c6e2659 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 22 Sep 2016 14:07:06 +0300 Subject: [PATCH] drm/omap: panel-tpo-td028ttec1: Add note for incorrect sync drive edge 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. Signed-off-by: Peter Ujfalusi Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c index c003f4dd2a18..f313dbfcbacb 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c @@ -56,6 +56,10 @@ static struct videomode td028ttec1_panel_vm = { .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_POSEDGE | DISPLAY_FLAGS_PIXDATA_NEGEDGE, + /* + * Note: According to the panel documentation: + * SYNC needs to be driven on the FALLING edge + */ }; #define JBT_COMMAND 0x000 -- 2.20.1