linux-kernel - [PATCH] powercap: Add Power Limit4 support for Alder Lake SoC

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Date:   Fri, 20 Aug 2021 17:22:33 +0530
From:   Sumeet Pawnikar <sumeet.r.pawnikar@...el.com>
To:     rjw@...ysocki.net, rui.zhang@...el.com,
        srinivas.pandruvada@...ux.intel.com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     sumeet.r.pawnikar@...el.com
Subject: [PATCH] powercap: Add Power Limit4 support for Alder Lake SoC

Add Power Limit4 support for Alder Lake SoC.

Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@...el.com>
Acked-by: Zhang Rui <rui.zhang@...el.com>
---
 drivers/powercap/intel_rapl_msr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c
index cc3b22881bfe..1be45f36ab6c 100644
--- a/drivers/powercap/intel_rapl_msr.c
+++ b/drivers/powercap/intel_rapl_msr.c
@@ -138,6 +138,8 @@ static int rapl_msr_write_raw(int cpu, struct reg_action *ra)
 /* List of verified CPUs. */
 static const struct x86_cpu_id pl4_support_ids[] = {
 	{ X86_VENDOR_INTEL, 6, INTEL_FAM6_TIGERLAKE_L, X86_FEATURE_ANY },
+	{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ALDERLAKE, X86_FEATURE_ANY },
+	{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ALDERLAKE_L, X86_FEATURE_ANY },
 	{}
 };
 
-- 
2.17.1