diff options
| author | Maciej W. Rozycki <macro@linux-mips.org> | 2007-02-12 00:54:57 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:41 -0800 |
| commit | a524d946bdced73c5fbe60170fb33611491c4211 (patch) | |
| tree | 1699a10cd7700bdff5005e19c1945c268a418039 /drivers/video/tgafb.c | |
| parent | 1b2f2fe8ac0273ae9a9b480b799ce62d832168cb (diff) | |
| download | lwn-a524d946bdced73c5fbe60170fb33611491c4211.tar.gz lwn-a524d946bdced73c5fbe60170fb33611491c4211.zip | |
[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 <macro@linux-mips.org>
Cc: James Simmons <jsimmons@infradead.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/tgafb.c')
| -rw-r--r-- | drivers/video/tgafb.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c index 2a6bfcdc3039..781ca7f77c09 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); |