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 <peter.ujfalusi at ti.com>
---
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
--
2.9.3
