Messages in this thread Patch in this message | | | From | Kai-Heng Feng <> | Subject | [PATCH 1/2] x86/intel: Disable HPET on Intel Coffee Lake H platforms | Date | Fri, 29 Nov 2019 14:23:02 +0800 |
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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> --- arch/x86/kernel/early-quirks.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 4cba91ec8049..606711f5ebf8 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -710,6 +710,8 @@ static struct chipset early_qrk[] __initdata = { */ { PCI_VENDOR_ID_INTEL, 0x0f00, 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_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, { PCI_VENDOR_ID_BROADCOM, 0x4331, -- 2.17.1
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