x86/intel: Disable HPET on Intel Coffee Lake H platforms
commit f8edbde885
upstream.
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: Kai-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.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
parent
1767f1ec12
commit
619799ebce
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@ -710,6 +710,8 @@ static struct chipset early_qrk[] __initdata = {
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*/
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{ PCI_VENDOR_ID_INTEL, 0x0f00,
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PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet},
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{ PCI_VENDOR_ID_INTEL, 0x3e20,
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PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet},
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{ PCI_VENDOR_ID_INTEL, 0x3ec4,
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PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet},
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{ PCI_VENDOR_ID_BROADCOM, 0x4331,
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