linux-kernel - [tip:x86/cpu] ACPI: Add Hygon Dhyana support

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Date:   Thu, 27 Sep 2018 10:08:16 -0700
From:   tip-bot for Pu Wen <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     bp@...e.de, hpa@...or.com, rafael.j.wysocki@...el.com,
        puwen@...on.cn, mingo@...nel.org, tglx@...utronix.de,
        linux-kernel@...r.kernel.org
Subject: [tip:x86/cpu] ACPI: Add Hygon Dhyana support

Commit-ID:  7377ed4bd56e6cc1ddbb63f03626fc5b92d3d6fe
Gitweb:     https://git.kernel.org/tip/7377ed4bd56e6cc1ddbb63f03626fc5b92d3d6fe
Author:     Pu Wen <puwen@...on.cn>
AuthorDate: Sun, 23 Sep 2018 17:37:05 +0800
Committer:  Borislav Petkov <bp@...e.de>
CommitDate: Thu, 27 Sep 2018 18:29:00 +0200

ACPI: Add Hygon Dhyana support

The Hygon Dhyana CPU has NONSTOP TSC feature, so enable the ACPI driver
support to it.

Signed-off-by: Pu Wen <puwen@...on.cn>
Signed-off-by: Borislav Petkov <bp@...e.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Cc: rjw@...ysocki.net
Cc: tglx@...utronix.de
Cc: mingo@...hat.com
Cc: hpa@...or.com
Cc: x86@...nel.org
Cc: thomas.lendacky@....com
Cc: lenb@...nel.org
Cc: rafael@...nel.org
Cc: linux-acpi@...r.kernel.org
Link: https://lkml.kernel.org/r/cce6ee26f4e2ebbab493433264d89d7cea661284.1537533369.git.puwen@hygon.cn
---
 drivers/acpi/acpi_pad.c       | 1 +
 drivers/acpi/processor_idle.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 552c1f725b6c..a47676a55b84 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -70,6 +70,7 @@ static void power_saving_mwait_init(void)
 
 #if defined(CONFIG_X86)
 	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_HYGON:
 	case X86_VENDOR_AMD:
 	case X86_VENDOR_INTEL:
 		/*
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index abb559cd28d7..b2131c4ea124 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -205,6 +205,7 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr,
 static void tsc_check_state(int state)
 {
 	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_HYGON:
 	case X86_VENDOR_AMD:
 	case X86_VENDOR_INTEL:
 	case X86_VENDOR_CENTAUR: