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authorMatthew Garrett <mjg@redhat.com>2010-10-05 22:54:06 +0400
committerMatthew Garrett <mjg@redhat.com>2010-10-05 22:59:35 +0400
commitd24a9da573444ab4aff38af2f4a0da07408ff491 (patch)
treef217ec69296dd5c73d26d10f5cc1ab1e453e3d0e /drivers/platform/x86/intel_ips.c
parent96f3823f537088c13735cfdfbf284436c802352a (diff)
downloadlinux-d24a9da573444ab4aff38af2f4a0da07408ff491.tar.xz
IPS driver: Fix limit clamping when reducing CPU power
Values here are in internal units rather than Watts, so we shouldn't perform any conversion. Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86/intel_ips.c')
-rw-r--r--drivers/platform/x86/intel_ips.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index 4b3ecdefd6e9..c44a5e8b8b82 100644
--- a/drivers/platform/x86/intel_ips.c
+++ b/drivers/platform/x86/intel_ips.c
@@ -415,7 +415,7 @@ static void ips_cpu_lower(struct ips_driver *ips)
new_limit = cur_limit - 8; /* 1W decrease */
/* Clamp to SKU TDP limit */
- if (((new_limit * 10) / 8) < (ips->orig_turbo_limit & TURBO_TDP_MASK))
+ if (new_limit < (ips->orig_turbo_limit & TURBO_TDP_MASK))
new_limit = ips->orig_turbo_limit & TURBO_TDP_MASK;
thm_writew(THM_MPCPC, (new_limit * 10) / 8);