[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>
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@ -197,7 +197,9 @@ tgafb_set_par(struct fb_info *info)
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while (TGA_READ_REG(par, TGA_CMD_STAT_REG) & 1) /* wait for not busy */
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continue;
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mb();
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TGA_WRITE_REG(par, deep_presets[tga_type], TGA_DEEP_REG);
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TGA_WRITE_REG(par, deep_presets[tga_type] |
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(par->sync_on_green ? 0x0 : 0x00010000),
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TGA_DEEP_REG);
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while (TGA_READ_REG(par, TGA_CMD_STAT_REG) & 1) /* wait for not busy */
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continue;
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mb();
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@ -261,11 +263,11 @@ tgafb_set_par(struct fb_info *info)
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} else { /* 24-plane or 24plusZ */
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/* Init BT463 registers. */
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/* Init BT463 RAMDAC registers. */
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BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_0, 0x40);
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BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_1, 0x08);
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BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_2,
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(par->sync_on_green ? 0x80 : 0x40));
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(par->sync_on_green ? 0xc0 : 0x40));
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BT463_WRITE(par, BT463_REG_ACC, BT463_READ_MASK_0, 0xff);
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BT463_WRITE(par, BT463_REG_ACC, BT463_READ_MASK_1, 0xff);
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