From cf733d801a1508d3d48f602df0cb554c0339793b Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 22 Sep 2016 14:07:05 +0300 Subject: [PATCH] drm/omap: panel-tpo-td043mtea1: 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-td043mtea1.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c index f78102aab2e64..0787dba44faa3 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c @@ -89,6 +89,10 @@ static const struct videomode tpo_td043_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 to_panel_data(p) container_of(p, struct panel_drv_data, dssdev) -- 2.39.5