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| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-02-06 16:07:53 -0600 |
|---|---|---|
| committer | Alexandru Gagniuc <mr.nuke.me@gmail.com> | 2015-02-10 07:26:32 +0100 |
| commit | c1f47c1460cc69c232aa90480d41a4c10474aacb (patch) | |
| tree | cb17c5b8dd7d1d51e6cff54a5beff492b10b115d /src/cpu | |
| parent | 2213843ae8971c2078997c5eba9e84ff3689a942 (diff) | |
| download | coreboot-c1f47c1460cc69c232aa90480d41a4c10474aacb.tar.xz | |
amd/amdfam10: Fix invalid transition latency in PowerNow! _PSS objects
Fix a mistake that led to an invalid 0ms latency in the automatically
generated PowerNow! ACPI _PSS objects.
TEST: Booted FreeBSD and Linux and verified correct latency values.
Found-by: Coverity Scan
Change-Id: I03cecab694708136dc555ca2af7ee9a0bf9be5af
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/8376
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/amd/model_10xxx/powernow_acpi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cpu/amd/model_10xxx/powernow_acpi.c b/src/cpu/amd/model_10xxx/powernow_acpi.c index e4e0289146..d08f9f96d0 100644 --- a/src/cpu/amd/model_10xxx/powernow_acpi.c +++ b/src/cpu/amd/model_10xxx/powernow_acpi.c @@ -212,7 +212,7 @@ static void pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) power_step_up = (dtemp & 0xf000000) >> 24; power_step_down = (dtemp & 0xf00000) >> 20; dtemp = pci_read_config32(dev_find_slot(0, PCI_DEVFN(0x18, 3)), 0xA0); - pll_lock_time = (pll_lock_time & 0x3800) >> 11; + pll_lock_time = (dtemp & 0x3800) >> 11; if (all_enabled_cores_have_same_cpufid) core_latency = ((12 * power_step_down) + power_step_up) / 1000; else |