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 <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
index f78102aab2e64b71107cfb41687d8df6dc1b611d..0787dba44faa3f8261ead6e18e03a84cbd2a0c19 100644 (file)
--- 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)