linux-kernel - [PATCH 5/5] s3fb: use new start address register

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Message-Id: <201103012018.45635.linux@rainbow-software.org>
Date:	Tue, 1 Mar 2011 20:18:43 +0100
From:	Ondrej Zary <linux@...nbow-software.org>
To:	Ondrej Zajicek <santiago@...reenet.org>
Cc:	linux-fbdev@...r.kernel.org,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: [PATCH 5/5] s3fb: use new start address register

Use "new" start address register 0x69 (bits 16-20) instead of "old" 0x31
(bits 16-17) and 0x51 (bits 18-19). This is needed for panning to work
correctly on Trio3D/2X cards (and does no harm on other ones).

Signed-off-by: Ondrej Zary <linux@...nbow-software.org>

--- linux-2.6.38-rc4-/drivers/video/s3fb.c	2011-03-01 18:38:58.000000000 +0100
+++ linux-2.6.38-rc4/drivers/video/s3fb.c	2011-03-01 18:39:35.000000000 +0100
@@ -123,7 +123,7 @@ static const struct vga_regset s3_v_sync
 static const struct vga_regset s3_v_sync_end_regs[]     = {{0x11, 0, 3}, VGA_REGSET_END};
 
 static const struct vga_regset s3_line_compare_regs[]   = {{0x18, 0, 7}, {0x07, 4, 4}, {0x09, 6, 6}, {0x5E, 6, 6}, VGA_REGSET_END};
-static const struct vga_regset s3_start_address_regs[]  = {{0x0d, 0, 7}, {0x0c, 0, 7}, {0x31, 4, 5}, {0x51, 0, 1}, VGA_REGSET_END};
+static const struct vga_regset s3_start_address_regs[]  = {{0x0d, 0, 7}, {0x0c, 0, 7}, {0x69, 0, 4}, VGA_REGSET_END};
 static const struct vga_regset s3_offset_regs[]         = {{0x13, 0, 7}, {0x51, 4, 5}, VGA_REGSET_END}; /* set 0x43 bit 2 to 0 */
 
 static const struct vga_regset s3_dtpc_regs[]		= {{0x3B, 0, 7}, {0x5D, 6, 6}, VGA_REGSET_END};

-- 
Ondrej Zary
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