mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
cpufreq: intel_pstate: disable HWP notifications
Disable HWP Interrupt notification before enabling HWP. Since we don't have HWP interrupt handling for possible performance interrupts, there is not much use of enabling HWP interrupts. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
parent
7791e4aa59
commit
f05c966585
1 changed files with 3 additions and 0 deletions
|
@ -534,6 +534,9 @@ static void __init intel_pstate_sysfs_expose_params(void)
|
|||
|
||||
static void intel_pstate_hwp_enable(struct cpudata *cpudata)
|
||||
{
|
||||
/* First disable HWP notification interrupt as we don't process them */
|
||||
wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_INTERRUPT, 0x00);
|
||||
|
||||
wrmsrl_on_cpu(cpudata->cpu, MSR_PM_ENABLE, 0x1);
|
||||
}
|
||||
|
||||
|
|
Loading…
Add table
Reference in a new issue