Re: [PATCH] tpm/tpm_tis: Disable interrupts for TUXEDO InfinityBook S 15/17 Gen7

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On Sat, 29 Jul 2023 09:06:26 +0200,
Takashi Iwai wrote:
> 
> On Fri, 28 Jul 2023 21:24:30 +0200,
> Jarkko Sakkinen wrote:
> > 
> > On Wed Jul 26, 2023 at 6:00 PM UTC, Takashi Iwai wrote:
> > > TUXEDO InfinityBook S 15/17 Gen7 suffers from an IRQ problem on
> > > tpm_tis like a few other laptops.  Add an entry for the workaround.
> > >
> > > Cc: stable@xxxxxxxxxxxxxxx
> > > Fixes: e644b2f498d2 ("tpm, tpm_tis: Enable interrupt test")
> > > Link: https://bugzilla.suse.com/show_bug.cgi?id=1213645
> > > Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
> > > ---
> > >  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 cc42cf3de960..a98773ac2e55 100644
> > > --- a/drivers/char/tpm/tpm_tis.c
> > > +++ b/drivers/char/tpm/tpm_tis.c
> > > @@ -162,6 +162,14 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = {
> > >  			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L590"),
> > >  		},
> > >  	},
> > > +	{
> > > +		.callback = tpm_tis_disable_irq,
> > > +		.ident = "TUXEDO InfinityBook S 15/17 Gen7",
> > > +		.matches = {
> > > +			DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
> > > +			DMI_MATCH(DMI_PRODUCT_NAME, "TUXEDO InfinityBook S 15/17 Gen7"),
> > > +		},
> > > +	},
> > >  	{
> > >  		.callback = tpm_tis_disable_irq,
> > >  		.ident = "UPX-TGL",
> > > -- 
> > > 2.35.3
> > 
> > Hi does this occur with the latest linux-next and/or v6.5-rc3?
> 
> Not tested yet, but do you have any relevant fix except for the commit
> 481c2d14627d ("tpm,tpm_tis: Disable interrupts after 1000 unhandled
> IRQs")?  That commit was already tested, at least.

And now it's confirmed that the problem persists with 6.5-rc3.


thanks,

Takashi



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