From 3ea6b9852edac04c4ae0166047b7186ef0832e7a Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@openmoko.org>
Date: Mon, 2 May 2011 05:16:19 -0300
Subject: [PATCH] ubb-vga: make lines end in black (and not in overscan)

- ubb-vga.c (line): send a 0 word at the end of the line, to avoid
  overscan (we use PIO to synchronize with CPU timing)
- ubb-vga.c (mode_db): updated line length of 640x480 resolutions for
  correct termination
---
 ubb-vga/ubb-vga.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ubb-vga/ubb-vga.c b/ubb-vga/ubb-vga.c
index e0f20e3..ee105a5 100644
--- a/ubb-vga/ubb-vga.c
+++ b/ubb-vga/ubb-vga.c
@@ -51,8 +51,8 @@ static int bad;
 static const struct mode mode_db[] = {
 /* name		xres yres clkdiv vfront  hsync     hback     htotal	*/
 /*			      vsync  vback				*/
-{ "640x480/58",	 640, 480, 12, 2, 10, 33, US(3.81), US(1.91), US(32.5) },
-{ "640x480/70",	 640, 480,  9, 2,  8, 29, US(1.90), US(2.06), US(27.5) },
+{ "640x480/58",	 640, 480, 12, 2, 10, 33, US(3.81), US(1.91), US(32.7) },
+{ "640x480/70",	 640, 480,  9, 2,  8, 29, US(1.90), US(2.06), US(24.8) },
 
 { "800x600/54",	 800, 600,  8, 2, 32, 14, US(4.81), US(0.79), US(28.7) },
 { "800x600/56",	 800, 600,  8, 2,  1, 22, US(2.00), US(3.56), US(28.5) },
@@ -324,6 +324,7 @@ static void line(unsigned long line)
 	PDFUNC = CMD;
 
 	until(mode->line_cycles);
+	MSC_TXFIFO = 0;
 	if (MSC_STAT & 3)
 		bad++;
 }