Commit f8edbde8 authored by Kai-Heng Feng's avatar Kai-Heng Feng Committed by Ingo Molnar

x86/intel: Disable HPET on Intel Coffee Lake H platforms

Coffee Lake H SoC has similar behavior as Coffee Lake, skewed HPET timer
once the SoCs entered PC10.

So let's disable HPET on CFL-H platforms.
Signed-off-by: default avatarKai-Heng Feng <kai.heng.feng@canonical.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bp@alien8.de
Cc: feng.tang@intel.com
Cc: harry.pan@intel.com
Cc: hpa@zytor.com
Link: https://lkml.kernel.org/r/20191129062303.18982-1-kai.heng.feng@canonical.comSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 7b847446
...@@ -710,6 +710,8 @@ static struct chipset early_qrk[] __initdata = { ...@@ -710,6 +710,8 @@ static struct chipset early_qrk[] __initdata = {
*/ */
{ PCI_VENDOR_ID_INTEL, 0x0f00, { PCI_VENDOR_ID_INTEL, 0x0f00,
PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet},
{ PCI_VENDOR_ID_INTEL, 0x3e20,
PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet},
{ PCI_VENDOR_ID_INTEL, 0x3ec4, { PCI_VENDOR_ID_INTEL, 0x3ec4,
PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet},
{ PCI_VENDOR_ID_BROADCOM, 0x4331, { PCI_VENDOR_ID_BROADCOM, 0x4331,
......
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