linux-kernel - [PATCH] x86/cpu: Update power flags

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Message-Id: <20231128-powerflags-v1-1-87e8fe020a3d@weissschuh.net>
Date:   Tue, 28 Nov 2023 19:54:54 +0100
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>
Cc:     linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH] x86/cpu: Update power flags

As described on page 99 of
"Processing Programming Reference (PPR) for AMD Family 19h Model 61h, Revision B1 Processor".
(AMD Documentation Hub Document 56713)

Tested on an "AMD Ryzen 7 7840U w/ Radeon  780M Graphics".

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 arch/x86/kernel/cpu/powerflags.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/cpu/powerflags.c b/arch/x86/kernel/cpu/powerflags.c
index fd6ec2aa0303..0c98405aeae2 100644
--- a/arch/x86/kernel/cpu/powerflags.c
+++ b/arch/x86/kernel/cpu/powerflags.c
@@ -21,4 +21,7 @@ const char *const x86_power_flags[32] = {
 	"eff_freq_ro", /* Readonly aperf/mperf */
 	"proc_feedback", /* processor feedback interface */
 	"acc_power", /* accumulated power mechanism */
+	"connected_standby", /* connected standby */
+	"rapl", /* running average power limit */
+	"fast_cppc", /* fast collaborative processor performance control */
 };

---
base-commit: df60cee26a2e3d937a319229e335cb3f9c1f16d2
change-id: 20231128-powerflags-8ce66a96f6f3

Best regards,
-- 
Thomas Weißschuh <linux@...ssschuh.net>