linux-kernel - [PATCH 2/2] cpufreq: intel_pstate: Update Lunar Lake hybrid scaling factor

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240618055221.446108-2-srinivas.pandruvada@linux.intel.com>
Date: Mon, 17 Jun 2024 22:52:21 -0700
From: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To: rafael@...nel.org,
	viresh.kumar@...aro.org
Cc: linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: [PATCH 2/2] cpufreq: intel_pstate: Update Lunar Lake hybrid scaling factor

Change hybrid scaling factor for Lunar Lake. Scaling factor is
1.15 for P-cores compared to E-cores.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
---
 drivers/cpufreq/intel_pstate.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 72d9e60369e0..32c331ee97ca 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -300,6 +300,7 @@ static struct cpufreq_driver *intel_pstate_driver __read_mostly;
 
 #define HYBRID_SCALING_FACTOR		78741
 #define HYBRID_SCALING_FACTOR_MTL	80000
+#define HYBRID_SCALING_FACTOR_LNL	86957
 
 static int hybrid_scaling_factor = HYBRID_SCALING_FACTOR;
 
@@ -3402,6 +3403,7 @@ static const struct x86_cpu_id intel_epp_default[] = {
 static const struct x86_cpu_id intel_hybrid_scaling_factor[] = {
 	X86_MATCH_VFM(INTEL_METEORLAKE_L, HYBRID_SCALING_FACTOR_MTL),
 	X86_MATCH_VFM(INTEL_ARROWLAKE, HYBRID_SCALING_FACTOR_MTL),
+	X86_MATCH_VFM(INTEL_LUNARLAKE_M, HYBRID_SCALING_FACTOR_LNL),
 	{}
 };
 
-- 
2.44.0