From: "Mark Langsdorf" <mark.langsdorf@amd.com>
To: cpufreq@lists.linux.org.uk, bhavana.nagendra@amd.com
Subject: [PATCH] Support different families in fid/did to frequency conversion
Date: Fri, 3 Aug 2007 14:09:05 -0500 [thread overview]
Message-ID: <200708031409.05727.mark.langsdorf@amd.com> (raw)
The equation to find the frequency given the fid and did is family dependant.
Acked-by: Mark Langsdorf <mark.langsdorf@amd.com>
Signed-off-by: Joachim Deguara <joachim.deguara@amd.com>
--
Index: 2.6-git/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
===================================================================
--- 2.6-git.orig/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ 2.6-git/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -76,7 +76,10 @@ static u32 find_khz_freq_from_fid(u32 fi
/* Return a frequency in MHz, given an input fid and did */
static u32 find_freq_from_fiddid(u32 fid, u32 did)
{
- return 100 * (fid + 0x10) >> did;
+ if (current_cpu_data.x86 == 0x10)
+ return 100 * (fid + 0x10) >> did;
+ else
+ return 100 * (fid + 0x8) >> did;
}
static u32 find_khz_freq_from_fiddid(u32 fid, u32 did)
reply other threads:[~2007-08-03 19:09 UTC|newest]
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