1016-cpufreq-enable-HWP-by-default.patch

From fee444ebc6f2a46041f9a76a2a14d042eac98c04 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
 <marmarek@invisiblethingslab.com>
Date: Wed, 1 Feb 2023 21:51:27 +0100
Subject: [PATCH] cpufreq: enable HWP by default
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Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
---
 docs/misc/xen-command-line.pandoc | 2 +-
 xen/drivers/cpufreq/cpufreq.c     | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/misc/xen-command-line.pandoc b/docs/misc/xen-command-line.pandoc
index 98a45211556b..2096ae5841de 100644
--- a/docs/misc/xen-command-line.pandoc
+++ b/docs/misc/xen-command-line.pandoc
@@ -513,7 +513,7 @@ choice of `dom0-kernel` is deprecated and not supported by all Dom0 kernels.
   for `xen`.  It is a boolean for `hwp`.
 * `hwp` selects Hardware-Controlled Performance States (HWP) on supported Intel
   hardware.  HWP is a Skylake+ feature which provides better CPU power
-  management.  The default is disabled.  If `hwp` is selected, but hardware
+  management.  The default is enabled.  If `hwp` is selected, but hardware
   support is not available, Xen will fallback to cpufreq=xen.
 * `<hdc>` is a boolean to enable Hardware Duty Cycling (HDC).  HDC enables the
   processor to autonomously force physical package components into idle state.
diff --git a/xen/drivers/cpufreq/cpufreq.c b/xen/drivers/cpufreq/cpufreq.c
index 8659ad3aee51..cfea722b3683 100644
--- a/xen/drivers/cpufreq/cpufreq.c
+++ b/xen/drivers/cpufreq/cpufreq.c
@@ -64,8 +64,8 @@ LIST_HEAD_READ_MOSTLY(cpufreq_governor_list);
 /* set xen as default cpufreq */
 enum cpufreq_controller cpufreq_controller = FREQCTL_xen;
 
-enum cpufreq_xen_opt __initdata cpufreq_xen_opts[2] = { CPUFREQ_xen,
-                                                        CPUFREQ_none };
+enum cpufreq_xen_opt __initdata cpufreq_xen_opts[2] = { CPUFREQ_hwp,
+                                                        CPUFREQ_xen };
 unsigned int __initdata cpufreq_xen_cnt = 1;
 
 static int __init cpufreq_cmdline_parse(const char *s, const char *e);
-- 
2.44.0