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authorLukasz Anaczkowski <lukasz.anaczkowski@intel.com>2015-07-21 11:41:13 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-07-27 02:59:43 +0300
commit69cefc273f942bd7bb347a02e8b5b738d5f6e6f3 (patch)
treea1d5c2ea0fb89a12de14a66627b464998436030f /drivers
parentcbfe8fa6cd672011c755c3cd85c9ffd4e2d10a6f (diff)
downloadlinux-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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/cpufreq/intel_pstate.c1
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,
},
};