6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mario Limonciello <mario.limonciello@xxxxxxx> commit 3d762e21d56370a43478b55e604b4a83dd85aafc upstream. Intel systems > 2015 have been configured to use ACPI alarm instead of HPET to avoid s2idle issues. Having HPET programmed for wakeup causes problems on AMD systems with s2idle as well. One particular case is that the systemd "SuspendThenHibernate" feature doesn't work properly on the Framework 13" AMD model. Switching to using ACPI alarm fixes the issue. Adjust the quirk to apply to AMD/Hygon systems from 2021 onwards. This matches what has been tested and is specifically to avoid potential risk to older systems. Cc: <stable@xxxxxxxxxxxxxxx> # 6.1+ Reported-by: <alvin.zhuge@xxxxxxxxx> Reported-by: <renzhamin@xxxxxxxxx> Closes: https://github.com/systemd/systemd/issues/24279 Reported-by: Kelvie Wong <kelvie@xxxxxxxxx> Closes: https://community.frame.work/t/systemd-suspend-then-hibernate-wakes-up-after-5-minutes/39392 Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> Link: https://lore.kernel.org/r/20231106162310.85711-1-mario.limonciello@xxxxxxx Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/rtc/rtc-cmos.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -818,18 +818,24 @@ static void rtc_wake_off(struct device * } #ifdef CONFIG_X86 -/* Enable use_acpi_alarm mode for Intel platforms no earlier than 2015 */ static void use_acpi_alarm_quirks(void) { - if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) + switch (boot_cpu_data.x86_vendor) { + case X86_VENDOR_INTEL: + if (dmi_get_bios_year() < 2015) + return; + break; + case X86_VENDOR_AMD: + case X86_VENDOR_HYGON: + if (dmi_get_bios_year() < 2021) + return; + break; + default: return; - + } if (!is_hpet_enabled()) return; - if (dmi_get_bios_year() < 2015) - return; - use_acpi_alarm = true; } #else
