From 7377ed4bd56e6cc1ddbb63f03626fc5b92d3d6fe Mon Sep 17 00:00:00 2001
From: Pu Wen <puwen@hygon.cn>
Date: Sun, 23 Sep 2018 17:37:05 +0800
Subject: 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@hygon.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: rjw@rjwysocki.net
Cc: tglx@linutronix.de
Cc: mingo@redhat.com
Cc: hpa@zytor.com
Cc: x86@kernel.org
Cc: thomas.lendacky@amd.com
Cc: lenb@kernel.org
Cc: rafael@kernel.org
Cc: linux-acpi@vger.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:
-- 
cgit v1.2.3

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<tr><td><span title='2017-05-21 19:30:23 -0700'>2017-05-21</span></td><td><a href='/linux/commit/Makefile?id=08332893e37af6ae779367e78e444f8f9571511d&amp;follow=1'>Linux 4.12-rc2</a><span class='decoration'><a class='tag-annotated-deco' href='/linux/tag/?h=v4.12-rc2'>v4.12-rc2</a></span></td><td>Linus Torvalds</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2017-05-21 18:26:54 -0700'>2017-05-21</span></td><td><a href='/linux/commit/arch/x86/include/asm/uaccess.h?id=33c9e9729033387ef0521324c62e7eba529294af&amp;follow=1'>x86: fix 32-bit case of __get_user_asm_u64()</a></td><td>Linus Torvalds</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2017-05-21 15:25:46 -0700'>2017-05-21</span></td><td><a href='/linux/commit/arch/x86/include/asm/uaccess.h?id=334a023ee50997b45ffb8fbcc8bc875519040aac&amp;follow=1'>Clean up x86 unsafe_get/put_user() type handling</a></td><td>Linus Torvalds</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2017-05-21 13:10:07 -0400'>2017-05-21</span></td><td><a href='/linux/commit/arch/alpha/kernel/osf_sys.c?id=a8c39544a6eb2093c04afd5005b6192bd0e880c6&amp;follow=1'>osf_wait4(): fix infoleak</a></td><td>Al Viro</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2017-05-21 13:09:57 -0400'>2017-05-21</span></td><td><a href='/linux/commit/arch/x86/include/asm/uaccess.h?id=a7cc722fff0b32bcd28bf4722dff816b0b695f7d&amp;follow=1'>fix unsafe_put_user()</a></td><td>Al Viro</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2017-05-20 10:11:34 -0600'>2017-05-20</span></td><td><a href='/linux/commit/drivers/nvme/target/rdma.c?id=549f01ae7b913355bea76100d3f17694bc9ec769&amp;follow=1'>nvmet: release the sq ref on rdma read errors</a></td><td>Vijay Immanuel</td><td>3</td><td><span class='deletions'>-0</span>/<span class='insertions'>+8</span></td></tr>
<tr><td><span title='2017-05-20 10:11:34 -0600'>2017-05-20</span></td><td><a href='/linux/commit/include/linux/nvme-fc-driver.h?id=4b8ba5fa525bc8bdaaed2a5c5433f0f2008d7bc5&amp;follow=1'>nvmet-fc: remove target cpu scheduling flag</a></td><td>James Smart</td><td>4</td><td><span class='deletions'>-15</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2017-05-20 10:11:34 -0600'>2017-05-20</span></td><td><a href='/linux/commit/drivers/nvme/host/fc.c?id=2952a879bacbfae8b03fd886754e64fe14b8041e&amp;follow=1'>nvme-fc: stop queues on error detection</a></td><td>James Smart</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2017-05-20 10:11:34 -0600'>2017-05-20</span></td><td><a href='/linux/commit/drivers/nvme/host/fc.c?id=85e6a6adf8de7f992e01d2c3c59d9875d658b276&amp;follow=1'>nvme-fc: require target or discovery role for fc-nvme targets</a></td><td>James Smart</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+6</span></td></tr>
<tr><td><span title='2017-05-20 10:11:34 -0600'>2017-05-20</span></td><td><a href='/linux/commit/include/linux/nvme-fc-driver.h?id=4123109050a869a8871e58a50f28f383d41e49ad&amp;follow=1'>nvme-fc: correct port role bits</a></td><td>James Smart</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2017-05-20 10:11:34 -0600'>2017-05-20</span></td><td><a href='/linux/commit/drivers/nvme/host/pci.c?id=f63572dff1421b6ca6abce71d46e03411e605c94&amp;follow=1'>nvme: unmap CMB and remove sysfs file in reset path</a></td><td>Jon Derrick</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+6</span></td></tr>
<tr><td><span title='2017-05-19 19:59:28 +0200'>2017-05-19</span></td><td><a href='/linux/commit/arch/x86/kvm/emulate.c?id=92ceb7679ab8807d3b7fbcc6daf2279036954ef5&amp;follow=1'>KVM: x86: prevent uninitialized variable warning in check_svme()</a></td><td>Radim Krčmář</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2017-05-19 19:59:27 +0200'>2017-05-19</span></td><td><a href='/linux/commit/arch/x86/kvm/pmu_intel.c?id=34b0dadbdf698f9b277a31b2747b625b9a75ea1f&amp;follow=1'>KVM: x86/vPMU: fix undefined shift in intel_pmu_refresh()</a></td><td>Radim Krčmář</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2017-05-19 19:59:27 +0200'>2017-05-19</span></td><td><a href='/linux/commit/arch/x86/kvm/x86.c?id=f0367ee1d64d27fa08be2407df5c125442e885e3&amp;follow=1'>KVM: x86: zero base3 of unusable segments</a></td><td>Radim Krčmář</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2017-05-19 19:59:26 +0200'>2017-05-19</span></td><td><a href='/linux/commit/arch/x86/kvm/x86.c?id=cbfc6c9184ce71b52df4b1d82af5afc81a709178&amp;follow=1'>KVM: X86: Fix read out-of-bounds vulnerability in kvm pio emulation</a></td><td>Wanpeng Li</td><td>1</td><td><span class='deletions'>-9</span>/<span class='insertions'>+15</span></td></tr>
<tr><td><span title='2017-05-19 19:59:25 +0200'>2017-05-19</span></td><td><a href='/linux/commit/arch/x86/kvm/x86.c?id=e2c2206a18993bc9f62393d49c7b2066c3845b25&amp;follow=1'>KVM: x86: Fix potential preemption when get the current kvmclock timestamp</a></td><td>Wanpeng Li</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+9</span></td></tr>
<tr><td><span title='2017-05-19 09:21:15 -0600'>2017-05-19</span></td><td><a href='/linux/commit/kernel/trace/blktrace.c?id=5f3394530fbe90d3bcd1c204618960bc50236578&amp;follow=1'>blktrace: fix integer parse</a></td><td>Shaohua Li</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2017-05-19 14:36:24 +0200'>2017-05-19</span></td><td><a href='/linux/commit/drivers/i2c/busses/i2c-designware-platdrv.c?id=9d6408433019bfae15e2d0d5f4498c4ff70b86c0&amp;follow=1'>i2c: designware: don't infer timings described by ACPI from clock rate</a></td><td>Ard Biesheuvel</td><td>1</td><td><span class='deletions'>-8</span>/<span class='insertions'>+10</span></td></tr>
<tr><td><span title='2017-05-19 14:12:00 +0200'>2017-05-19</span></td><td><a href='/linux/commit/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts?id=6bf1c2d26716dcd483699cc62474e49d164c5563&amp;follow=1'>arm64: dts: rockchip: fix include reference</a></td><td>Arnd Bergmann</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2017-05-19 10:42:25 +0200'>2017-05-19</span></td><td><a href='/linux/commit/drivers/watchdog/bcm_kona_wdt.c?id=fedf266f9955d9a019643cde199a2fd9a0259f6f&amp;follow=1'>watchdog: bcm281xx: Fix use of uninitialized spinlock.</a></td><td>Eric Anholt</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2017-05-19 10:42:18 +0200'>2017-05-19</span></td><td><a href='/linux/commit/drivers/watchdog/zx2967_wdt.c?id=07441a7dd11f6855bcf55fbbfc6abba42258b2c6&amp;follow=1'>watchdog: zx2967: remove redundant dev_err call in zx2967_wdt_probe()</a></td><td>Wei Yongjun</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2017-05-19 10:42:11 +0200'>2017-05-19</span></td><td><a href='/linux/commit/drivers/watchdog/iTCO_wdt.c?id=1fccb73011ea8a5fa0c6d357c33fa29c695139ea&amp;follow=1'>iTCO_wdt: all versions count down twice</a></td><td>Paolo Bonzini</td><td>2</td><td><span class='deletions'>-13</span>/<span class='insertions'>+11</span></td></tr>
<tr><td><span title='2017-05-19 10:31:36 +0200'>2017-05-19</span></td><td><a href='/linux/commit/drivers/firmware/ti_sci.c?id=76cefef8e838304a71725a0b5007c375619d78fb&amp;follow=1'>firmware: ti_sci: fix strncat length check</a></td><td>Arnd Bergmann</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2017-05-19 10:12:55 +0200'>2017-05-19</span></td><td><a href='/linux/commit/arch/arm/mach-spear/time.c?id=0527873b29b077fc8e656acd63e1866b429fef55&amp;follow=1'>ARM: remove duplicate 'const' annotations'</a></td><td>Arnd Bergmann</td><td>6</td><td><span class='deletions'>-6</span>/<span class='insertions'>+6</span></td></tr>
<tr><td><span title='2017-05-19 00:01:37 -0700'>2017-05-19</span></td><td><a href='/linux/commit/arch/arm64/configs/defconfig?id=f4e506c5a3a026a28c99ca2cbc1c79aeca1a1b68&amp;follow=1'>arm64: defconfig: enable options needed for QCom DB410c board</a></td><td>Rob Herring</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+7</span></td></tr>
<tr><td><span title='2017-05-18 23:57:46 -0700'>2017-05-18</span></td><td><a href='/linux/commit/arch/arm64/configs/defconfig?id=eb1e6716cc9c6fd22e706379ab082b4ac198a1b1&amp;follow=1'>arm64: defconfig: sync with savedefconfig</a></td><td>Rob Herring</td><td>1</td><td><span class='deletions'>-61</span>/<span class='insertions'>+42</span></td></tr>