commit 996d96afed2f7d28ee3989cd3ac01a91dca4f385
author Giulio Benetti <giulio.benetti@benettiengineering.com> Wed Apr 08 17:10:17 2020 +0200
committer Stefano Babic <sbabic@denx.de> Sat Apr 18 12:54:43 2020 +0200
tree fb387db4f940652956c8f5efb417e43f1a8e6958
parent e03052457f2ca5f9e2251b30675986460fa9ae5c

video: mxsfb: enable setting VSYNC negative polarity

VSYNC signal can now be flipped by writing its bitmask on vdctrl0
register.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>

drivers/video/mxsfb.c

diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index 9912cf3..4d33e24 100644
--- a/drivers/video/mxsfb.c
+++ b/drivers/video/mxsfb.c
@@ -127,6 +127,8 @@
 
 	if(flags & DISPLAY_FLAGS_HSYNC_HIGH)
 		vdctrl0 |= LCDIF_VDCTRL0_HSYNC_POL;
+	if(flags & DISPLAY_FLAGS_VSYNC_HIGH)
+		vdctrl0 |= LCDIF_VDCTRL0_VSYNC_POL;
 	writel(vdctrl0, &regs->hw_lcdif_vdctrl0);
 	writel(timings->vback_porch.typ + timings->vfront_porch.typ +
 		timings->vsync_len.typ + timings->vactive.typ,