]> git.itanic.dy.fi Git - linux-stable/commit
ACPI: resource: skip IRQ override on AMD Zen platforms
authorChuanhong Guo <gch981213@gmail.com>
Tue, 12 Jul 2022 02:00:58 +0000 (10:00 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 20 Sep 2022 10:39:42 +0000 (12:39 +0200)
commit3bb12efc5e4d2b237230a4c6919b6fcf81d61190
tree86171068417063e367a79c63925cbae97a931131
parenta68a734b19afc8683238a176c8e088c0f9e6c7b9
ACPI: resource: skip IRQ override on AMD Zen platforms

commit 9946e39fe8d0a5da9eb947d8e40a7ef204ba016e upstream.

IRQ override isn't needed on modern AMD Zen systems.
There's an active low keyboard IRQ on AMD Ryzen 6000 and it will stay
this way on newer platforms. This IRQ override breaks keyboards for
almost all Ryzen 6000 laptops currently on the market.

Skip this IRQ override for all AMD Zen platforms because this IRQ
override is supposed to be a workaround for buggy ACPI DSDT and we can't
have a long list of all future AMD CPUs/Laptops in the kernel code.
If a device with buggy ACPI DSDT shows up, a separated list containing
just them should be created.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216118
Suggested-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Acked-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: XiaoYan Li <lxy.lixiaoyan@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/acpi/resource.c