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Subject[PATCH 1/2] x86/intel: Disable HPET on Intel Coffee Lake H platforms
Date
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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