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Subject[PATCH] tools/power/x86/turbostat: Fix TCC offset bit mask
Date
The TCC offset mask is incorrect, resulting in
incorrect target temperature calculations, if
the offset is big enough to exceed the mask size.

Signed-off-by: Doug Smythies <dsmythies@telus.net>
---
tools/power/x86/turbostat/turbostat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 389ea5209a83..d7acdd4d16c4 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -4823,7 +4823,7 @@ int read_tcc_activation_temp()

target_c = (msr >> 16) & 0xFF;

- offset_c = (msr >> 24) & 0xF;
+ offset_c = (msr >> 24) & 0x3F;

tcc = target_c - offset_c;

--
2.25.1
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