drm/omap: panel-tpo-td028ttec1: Add note for incorrect sync drive edge
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Thu, 22 Sep 2016 11:07:06 +0000 (14:07 +0300)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Wed, 2 Nov 2016 08:48:18 +0000 (10:48 +0200)
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@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c

index c003f4dd2a188444dd4cd770e4dafbd33a447dbf..f313dbfcbacbdaa993c24ffeb91daa66c64bf0d2 100644 (file)
@@ -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