From a524d946bdced73c5fbe60170fb33611491c4211 Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Mon, 12 Feb 2007 00:54:57 -0800 Subject: [PATCH] [PATCH] tgafb: sync-on-green support fixes 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 Cc: James Simmons Cc: "Antonino A. Daplas" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/tgafb.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c index 2a6bfcdc30..781ca7f77c 100644 --- a/drivers/video/tgafb.c +++ b/drivers/video/tgafb.c @@ -197,7 +197,9 @@ 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(); @@ -261,11 +263,11 @@ 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); -- 2.39.5