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| author | Lukasz Anaczkowski <lukasz.anaczkowski@intel.com> | 2015-07-21 11:41:13 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-07-27 02:59:43 +0300 |
| commit | 69cefc273f942bd7bb347a02e8b5b738d5f6e6f3 (patch) | |
| tree | a1d5c2ea0fb89a12de14a66627b464998436030f | |
| parent | cbfe8fa6cd672011c755c3cd85c9ffd4e2d10a6f (diff) | |
| download | linux-69cefc273f942bd7bb347a02e8b5b738d5f6e6f3.tar.xz | |
intel_pstate: Add get_scaling cpu_defaults param to Knights Landing
Scaling for Knights Landing is same as the default scaling (100000).
When Knigts Landing support was added to the pstate driver, this
parameter was omitted resulting in a kernel panic during boot.
Fixes: b34ef932d79a (intel_pstate: Knights Landing support)
Reported-by: Yasuaki Ishimatsu <yishimat@redhat.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Lukasz Anaczkowski <lukasz.anaczkowski@intel.com>
Acked-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Cc: 4.1+ <stable@vger.kernel.org> # 4.1+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 15ada47bb720..fcb929ec5304 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -681,6 +681,7 @@ static struct cpu_defaults knl_params = { .get_max = core_get_max_pstate, .get_min = core_get_min_pstate, .get_turbo = knl_get_turbo_pstate, + .get_scaling = core_get_scaling, .set = core_set_pstate, }, }; |