[PATCH 2.6.19 6/6] tgafb: Sync-on-green support fixes

[Maciej W. Rozycki]

 This sets up the deep register of the TGA ASIC as well as the blank 
pedestal of the Bt463 RAMDAC correctly for the sync-on-green mode.

Signed-off-by: Maciej W. Rozycki <macro at linux-mips.org>
---

 Please apply.

  Maciej

patch-mips-2.6.18-20060920-tgafb-sync_on_green-1
diff -up --recursive --new-file linux-mips-2.6.18-20060920.macro/drivers/video/tgafb.c linux-mips-2.6.18-20060920/drivers/video/tgafb.c
--- linux-mips-2.6.18-20060920.macro/drivers/video/tgafb.c	2006-09-20 20:50:52.000000000 +0000
+++ linux-mips-2.6.18-20060920/drivers/video/tgafb.c	2006-12-12 14:32:20.000000000 +0000
@@ -189,7 +189,9 @@ tgafb_set_par(struct fb_info *info)
 	while (TGA_READ_REG(par, TGA_CMD_STAT_REG) & 1) /* wait for not busy */
 		continue;
 	mb();
-	TGA_WRITE_REG(par, deep_presets[tga_type], TGA_DEEP_REG);
+	TGA_WRITE_REG(par, deep_presets[tga_type] |
+			   (par->sync_on_green ? 0x0 : 0x00010000),
+		      TGA_DEEP_REG);
 	while (TGA_READ_REG(par, TGA_CMD_STAT_REG) & 1) /* wait for not busy */
 		continue;
 	mb();
@@ -248,11 +250,11 @@ tgafb_set_par(struct fb_info *info)
 
 	} else { /* 24-plane or 24plusZ */
 
-		/* Init BT463 registers.  */
+		/* Init BT463 RAMDAC registers.  */
 		BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_0, 0x40);
 		BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_1, 0x08);
 		BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_2,
-			    (par->sync_on_green ? 0x80 : 0x40));
+			    (par->sync_on_green ? 0xc0 : 0x40));
 
 		BT463_WRITE(par, BT463_REG_ACC, BT463_READ_MASK_0, 0xff);
 		BT463_WRITE(par, BT463_REG_ACC, BT463_READ_MASK_1, 0xff);