[B/D/E/Unstable/OEM-B/OEM-OSP1-B] [PATCH 1/1] UBUNTU: SAUCE: x86/intel: Disable HPET on Intel Coffe Lake H platforms

Kai-Heng Feng kai.heng.feng at canonical.com
Tue Nov 12 12:59:37 UTC 2019


BugLink: https://bugs.launchpad.net/bugs/1852216

Like CFL and ICL, we need to disable HPET on CFL-H.

Signed-off-by: Kai-Heng Feng <kai.heng.feng at 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 6be5e3d82d57..f994090e77c2 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -738,6 +738,8 @@ 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_INTEL, 0x8a12,
-- 
2.17.1




More information about the kernel-team mailing list