[PATCH 6.6 020/166] platform/x86/amd: pmc: Add Thinkpad L14 Gen3 to quirk_s2idle_bug

Greg Kroah-Hartman
2026-04-24T13:35:46Z

From: Mario Limonciello <mario.limonciello@amd.com>

[ Upstream commit 1a9452c428a6b76f0b797bae21daa454fccef1a2 ]

This platform is a similar vintage of platforms that had a BIOS bug
leading to a 10s delay at resume from s0i3.

Add a quirk for it.

Reported-by: Imrane <ihalim.me@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221273
Tested-by: Imrane <ihalim.me@gmail.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20260324211647.357924-1-mario.limonciello@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/platform/x86/amd/pmc/pmc-quirks.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/platform/x86/amd/pmc/pmc-quirks.c b/drivers/platform/x86/amd/pmc/pmc-quirks.c
index a6006b4ec2cc0..a3921f8106c12 100644
--- a/drivers/platform/x86/amd/pmc/pmc-quirks.c
+++ b/drivers/platform/x86/amd/pmc/pmc-quirks.c
@@ -197,6 +197,15 @@ static const struct dmi_system_id fwbug_list[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "82XQ"),
}
},
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=221273 */
+ {
+ .ident = "Thinkpad L14 Gen3",
+ .driver_data = &quirk_s2idle_bug,
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "21C6"),
+ }
+ },
/* https://gitlab.freedesktop.org/drm/amd/-/issues/4434 */
{
.ident = "Lenovo Yoga 6 13ALC6",
--
2.53.0