2023-08-10 09:33:09

by Jonathan McDowell

Subject: [PATCH] tpm/tpm_tis: Disable interrupts for MSI GS66 Stealth 11UG

The MSI GS66 Stealth 11UG laptop also suffers from an IRQ problem with
tpm_tis, causing the TPM to be inaccessible. Add an entry to
tpm_tis_dmi_table to force polling mode.

Cc: [email protected] # v6.4+
Fixes: e644b2f498d2 ("tpm, tpm_tis: Enable interrupt test")
Signed-off-by: Jonathan McDowell <[email protected]>
---
drivers/char/tpm/tpm_tis.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index ac4daaf294a3..14dee959ee19 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -130,6 +130,14 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Laptop (13th Gen Intel Core)"),
},
},
+ {
+ .callback = tpm_tis_disable_irq,
+ .ident = "MSI GS66 Stealth 11UG",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GS66 Stealth 11UG"),
+ },
+ },
{
.callback = tpm_tis_disable_irq,
.ident = "ThinkPad T490s",
--
2.41.0

2023-08-10 22:50:47

by Jarkko Sakkinen

Subject: Re: [PATCH] tpm/tpm_tis: Disable interrupts for MSI GS66 Stealth 11UG

On Thu Aug 10, 2023 at 12:18 PM EEST, Jonathan McDowell wrote:
> The MSI GS66 Stealth 11UG laptop also suffers from an IRQ problem with
> tpm_tis, causing the TPM to be inaccessible. Add an entry to
> tpm_tis_dmi_table to force polling mode.
>
> Cc: [email protected] # v6.4+
> Fixes: e644b2f498d2 ("tpm, tpm_tis: Enable interrupt test")
> Signed-off-by: Jonathan McDowell <[email protected]>
> ---
> drivers/char/tpm/tpm_tis.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
> index ac4daaf294a3..14dee959ee19 100644
> --- a/drivers/char/tpm/tpm_tis.c
> +++ b/drivers/char/tpm/tpm_tis.c
> @@ -130,6 +130,14 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = {
> DMI_MATCH(DMI_PRODUCT_NAME, "Laptop (13th Gen Intel Core)"),
> },
> },
> + {
> + .callback = tpm_tis_disable_irq,
> + .ident = "MSI GS66 Stealth 11UG",
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
> + DMI_MATCH(DMI_PRODUCT_NAME, "GS66 Stealth 11UG"),
> + },
> + },
> {
> .callback = tpm_tis_disable_irq,
> .ident = "ThinkPad T490s",
> --
> 2.41.0

Thanks, please check:

https://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git/commit/?h=next&id=fe59c383eaef3cbcfe2c0404ee449a88c4e01155

BR, Jarkko