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From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
To: lenb@kernel.org, rjw@rjwysocki.net, peterz@infradead.org,
	mgorman@techsingularity.net
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	juri.lelli@redhat.com, viresh.kumar@linaro.org,
	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Subject: [RFC/RFT] [PATCH v2 6/6] cpufreq: intel_pstate: enable boost for SKX
Date: Wed, 23 May 2018 18:47:38 -0700	[thread overview]
Message-ID: <20180524014738.52924-7-srinivas.pandruvada@linux.intel.com> (raw)
In-Reply-To: <20180524014738.52924-1-srinivas.pandruvada@linux.intel.com>

Enable HWP boost on Skylake server platform.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
 drivers/cpufreq/intel_pstate.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index b2613c9775d5..6f8214a40764 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1801,6 +1801,11 @@ static const struct x86_cpu_id intel_pstate_cpu_ee_disable_ids[] = {
 	{}
 };
 
+static const struct x86_cpu_id intel_pstate_hwp_boost_ids[] __initconst = {
+	ICPU(INTEL_FAM6_SKYLAKE_X, core_funcs),
+	{}
+};
+
 static int intel_pstate_init_cpu(unsigned int cpunum)
 {
 	struct cpudata *cpu;
@@ -1831,6 +1836,10 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
 			intel_pstate_disable_ee(cpunum);
 
 		intel_pstate_hwp_enable(cpu);
+
+		id = x86_match_cpu(intel_pstate_hwp_boost_ids);
+		if (id)
+			hwp_boost = true;
 	}
 
 	intel_pstate_get_cpu_pstates(cpu);
-- 
2.13.6

      parent reply	other threads:[~2018-05-24  1:48 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-24  1:47 [RFC/RFT] [PATCH v2 0/6] Intel_pstate: HWP Dynamic performance boost Srinivas Pandruvada
2018-05-24  1:47 ` [RFC/RFT] [PATCH v2 1/6] cpufreq: intel_pstate: Cache last HWP capability/request value Srinivas Pandruvada
2018-05-24  1:47 ` [RFC/RFT] [PATCH v2 2/6] cpufreq: intel_pstate: Add HWP boost utility functions Srinivas Pandruvada
2018-05-29  7:47   ` Rafael J. Wysocki
2018-05-24  1:47 ` [RFC/RFT] [PATCH v2 3/6] cpufreq: intel_pstate: Add update_util_hook for HWP Srinivas Pandruvada
2018-05-29  7:37   ` Rafael J. Wysocki
2018-05-29 22:17     ` Srinivas Pandruvada
2018-05-24  1:47 ` [RFC/RFT] [PATCH v2 4/6] cpufreq: intel_pstate: HWP boost performance on IO wakeup Srinivas Pandruvada
2018-05-29  7:44   ` Rafael J. Wysocki
2018-05-29 22:24     ` Pandruvada, Srinivas
2018-05-24  1:47 ` [RFC/RFT] [PATCH v2 5/6] cpufreq: intel_pstate: New sysfs entry to control HWP boost Srinivas Pandruvada
2018-05-24  1:47 ` Srinivas Pandruvada [this message]

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