| Message ID | 20260925192047.3308768-1-anthony.l.nguyen@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | Anthony Nguyen |
| Headers | show |
| Series | [iwl-net] e1000e: add system to disable K1 list | expand |
> -----Original Message----- > From: Tony Nguyen <anthony.l.nguyen@intel.com> > Sent: Friday, September 25, 2026 9:21 PM > To: intel-wired-lan@lists.osuosl.org > Cc: Nguyen, Anthony L <anthony.l.nguyen@intel.com>; Ruinskiy, Dima > <dima.ruinskiy@intel.com>; Avargil, Raanan <raanan.avargil@intel.com>; > Fine, Gil <gil.fine@intel.com>; javier.herrera@afronta.com > Subject: [PATCH iwl-net] e1000e: add system to disable K1 list > > Javier reports seeing issues related to re-enablement of K1; disabling > it makes the issues go away. Add the reported system to have K1 > disabled by default. > > Cc: stable@vger.kernel.org > Fixes: 578294b8b60d ("e1000e: Reconfigure PLL clock gate timeout and > re-enable K1 on Meteor Lake") > Reported-by: Javier Herrera <javier.herrera@afronta.com> > Link: https://lore.kernel.org/intel-wired- > lan/CAKRuCQLWEcci9hPgNUmvq44Bd2H30T5_vP=exMjsknXMN5Yh9A@mail.gmail.com > / > Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> > --- > drivers/net/ethernet/intel/e1000e/netdev.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c > b/drivers/net/ethernet/intel/e1000e/netdev.c > index a55e459a78c1..9e22fda7ed93 100644 > --- a/drivers/net/ethernet/intel/e1000e/netdev.c > +++ b/drivers/net/ethernet/intel/e1000e/netdev.c > @@ -67,6 +67,13 @@ static const struct dmi_system_id disable_k1_list[] > = { > DMI_MATCH(DMI_PRODUCT_NAME, "Dell Pro 16 Plus > PB16250"), > }, > }, > + { > + .ident = "Lenovo ThinkPad P14s Gen 5", > + .matches = { > + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), > + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad P14s Gen > 5"), > + }, > + }, > {} > }; > > -- > 2.47.1 Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index a55e459a78c1..9e22fda7ed93 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -67,6 +67,13 @@ static const struct dmi_system_id disable_k1_list[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Dell Pro 16 Plus PB16250"), }, }, + { + .ident = "Lenovo ThinkPad P14s Gen 5", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad P14s Gen 5"), + }, + }, {} };
Javier reports seeing issues related to re-enablement of K1; disabling it makes the issues go away. Add the reported system to have K1 disabled by default. Cc: stable@vger.kernel.org Fixes: 578294b8b60d ("e1000e: Reconfigure PLL clock gate timeout and re-enable K1 on Meteor Lake") Reported-by: Javier Herrera <javier.herrera@afronta.com> Link: https://lore.kernel.org/intel-wired-lan/CAKRuCQLWEcci9hPgNUmvq44Bd2H30T5_vP=exMjsknXMN5Yh9A@mail.gmail.com/ Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> --- drivers/net/ethernet/intel/e1000e/netdev.c | 7 +++++++ 1 file changed, 7 insertions(+)