From: "Antonino A. Daplas" <adaplas@gmail.com>
To: Andrew Morton <akpm@osdl.org>
Cc: Linux Fbdev development list <linux-fbdev-devel@lists.sourceforge.net>
Subject: [PATCH 14/41] i810fb: Fix incorrect frequency mask
Date: Wed, 25 Apr 2007 14:34:16 +0800 [thread overview]
Message-ID: <462EF668.5030701@gmail.com> (raw)
Fix a long-standing bug. The mask used to detect a 100Mhz or 133Mhz chipset
is incorrect. (The only side effect of this bug is that it will choose an
incorrect watermark).
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
---
drivers/video/i810/i810.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/video/i810/i810.h b/drivers/video/i810/i810.h
index aa65ffc..889e4ea 100644
--- a/drivers/video/i810/i810.h
+++ b/drivers/video/i810/i810.h
@@ -133,7 +133,7 @@ #define FONTDATAMAX 8192
/* Masks (AND ops) and OR's */
#define FB_START_MASK (0x3f << (32 - 6))
#define MMIO_ADDR_MASK (0x1FFF << (32 - 13))
-#define FREQ_MASK 0x1EF
+#define FREQ_MASK (1 << 4)
#define SCR_OFF 0x20
#define DRAM_ON 0x08
#define DRAM_OFF 0xE7
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reply other threads:[~2007-04-25 7:40 UTC|newest]
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