linux-kernel - [PATCH 6/6] thermal: proc_thermal: Add MMIO RAPL PL4 support

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Message-Id: <20240930081801.28502-7-rui.zhang@intel.com>
Date: Mon, 30 Sep 2024 16:18:01 +0800
From: Zhang Rui <rui.zhang@...el.com>
To: rafael.j.wysocki@...el.com
Cc: linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org,
	srinivas.pandruvada@...el.com
Subject: [PATCH 6/6] thermal: proc_thermal: Add MMIO RAPL PL4 support

Similar to MSR RAPL interface, MMIO RAPL also has PL4 support.

Add PL4 support for MMIO RAPL. As a result, the powercap sysfs for MMIO
RAPL will show a new "peak power" constraint.

Signed-off-by: Zhang Rui <rui.zhang@...el.com>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
---
 .../thermal/intel/int340x_thermal/processor_thermal_rapl.c    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c
index 769510e748c0..bde2cc386afd 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c
@@ -13,9 +13,9 @@ static struct rapl_if_priv rapl_mmio_priv;
 
 static const struct rapl_mmio_regs rapl_mmio_default = {
 	.reg_unit = 0x5938,
-	.regs[RAPL_DOMAIN_PACKAGE] = { 0x59a0, 0x593c, 0x58f0, 0, 0x5930},
+	.regs[RAPL_DOMAIN_PACKAGE] = { 0x59a0, 0x593c, 0x58f0, 0, 0x5930, 0x59b0},
 	.regs[RAPL_DOMAIN_DRAM] = { 0x58e0, 0x58e8, 0x58ec, 0, 0},
-	.limits[RAPL_DOMAIN_PACKAGE] = BIT(POWER_LIMIT2),
+	.limits[RAPL_DOMAIN_PACKAGE] = BIT(POWER_LIMIT2) | BIT(POWER_LIMIT4),
 	.limits[RAPL_DOMAIN_DRAM] = BIT(POWER_LIMIT2),
 };
 
-- 
2.34.1