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path: root/drivers/thermal/intel_powerclamp.c
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Diffstat (limited to 'drivers/thermal/intel_powerclamp.c')
-rw-r--r--drivers/thermal/intel_powerclamp.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
index d833c8f5b46..95cb7fc20e1 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -206,6 +206,15 @@ static void find_target_mwait(void)
}
+static bool has_pkg_state_counter(void)
+{
+ u64 tmp;
+ return !rdmsrl_safe(MSR_PKG_C2_RESIDENCY, &tmp) ||
+ !rdmsrl_safe(MSR_PKG_C3_RESIDENCY, &tmp) ||
+ !rdmsrl_safe(MSR_PKG_C6_RESIDENCY, &tmp) ||
+ !rdmsrl_safe(MSR_PKG_C7_RESIDENCY, &tmp);
+}
+
static u64 pkg_state_counter(void)
{
u64 val;
@@ -498,7 +507,7 @@ static int start_power_clamp(void)
struct task_struct *thread;
/* check if pkg cstate counter is completely 0, abort in this case */
- if (!pkg_state_counter()) {
+ if (!has_pkg_state_counter()) {
pr_err("pkg cstate counter not functional, abort\n");
return -EINVAL;
}
@@ -672,8 +681,10 @@ static const struct x86_cpu_id intel_powerclamp_ids[] = {
{ X86_VENDOR_INTEL, 6, 0x2d},
{ X86_VENDOR_INTEL, 6, 0x2e},
{ X86_VENDOR_INTEL, 6, 0x2f},
+ { X86_VENDOR_INTEL, 6, 0x37},
{ X86_VENDOR_INTEL, 6, 0x3a},
{ X86_VENDOR_INTEL, 6, 0x3c},
+ { X86_VENDOR_INTEL, 6, 0x3d},
{ X86_VENDOR_INTEL, 6, 0x3e},
{ X86_VENDOR_INTEL, 6, 0x3f},
{ X86_VENDOR_INTEL, 6, 0x45},