linux-kernel - Re: [PATCH v1 1/1] hp-wmi: Setting thermal profile fails with 0x06

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Date:   Mon, 12 Sep 2022 11:36:10 -0500
From:   Jorge Lopez <jorgealtxwork@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     balalic.enver@...il.com, platform-driver-x86@...r.kernel.org,
        linux-kernel@...r.kernel.org, markgross@...nel.org
Subject: Re: [PATCH v1 1/1] hp-wmi: Setting thermal profile fails with 0x06

Hi Hans,

On Fri, Sep 9, 2022 at 1:01 PM Hans de Goede <hdegoede@...hat.com> wrote:
>
> Hi Jorge,
>
> On 9/6/22 19:02, Jorge Lopez wrote:
> > Error 0x06 (invalid command parameter) is reported by hp-wmi module
> > when reading the current thermal profile and then proceed to set it
> > back. The failing condition occurs in Linux NixOS after user
> > configures the thermal profile to ‘quiet mode’ in Windows.  Quiet Fan
> > Mode is supported in Windows but was not supported in hp-wmi module.
> >
> > This fix adds support for PLATFORM_PROFILE_QUIET in hp-wmi module for
> > HP notebooks other than HP Omen series.  Quiet thermal profile is not
> > supported in HP Omen series notebooks.
> >
> > Signed-off-by: Jorge Lopez <jorge.lopez2@...com>
>
> Thank you for looking into this!
>
>
>
> >
> > ---
> > Based on the latest platform-drivers-x86.git/for-next
> > ---
> >  drivers/platform/x86/hp-wmi.c | 11 ++++++++++-
> >  1 file changed, 10 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
> > index bc7020e9df9e..f5c13df35af0 100644
> > --- a/drivers/platform/x86/hp-wmi.c
> > +++ b/drivers/platform/x86/hp-wmi.c
> > @@ -177,7 +177,8 @@ enum hp_thermal_profile_omen_v1 {
> >  enum hp_thermal_profile {
> >       HP_THERMAL_PROFILE_PERFORMANCE  = 0x00,
> >       HP_THERMAL_PROFILE_DEFAULT              = 0x01,
> > -     HP_THERMAL_PROFILE_COOL                 = 0x02
> > +     HP_THERMAL_PROFILE_COOL                 = 0x02,
> > +     HP_THERMAL_PROFILE_QUIET                = 0x03,
> >  };
> >
> >  #define IS_HWBLOCKED(x) ((x & HPWMI_POWER_FW_OR_HW) != HPWMI_POWER_FW_OR_HW)
> > @@ -1194,6 +1195,9 @@ static int hp_wmi_platform_profile_get(struct platform_profile_handler *pprof,
> >       case HP_THERMAL_PROFILE_COOL:
> >               *profile =  PLATFORM_PROFILE_COOL;
> >               break;
> > +     case HP_THERMAL_PROFILE_QUIET:
> > +             *profile = PLATFORM_PROFILE_QUIET;
> > +             break;
> >       default:
> >               return -EINVAL;
> >       }
> > @@ -1216,6 +1220,10 @@ static int hp_wmi_platform_profile_set(struct platform_profile_handler *pprof,
> >       case PLATFORM_PROFILE_COOL:
> >               tp =  HP_THERMAL_PROFILE_COOL;
> >               break;
> > +     case PLATFORM_PROFILE_QUIET:
> > +             tp = HP_THERMAL_PROFILE_QUIET;
> > +             break;
> > +
> >       default:
> >               return -EOPNOTSUPP;
> >       }
> > @@ -1266,6 +1274,7 @@ static int thermal_profile_setup(void)
> >       }
> >
> >       set_bit(PLATFORM_PROFILE_COOL, platform_profile_handler.choices);
> > +     set_bit(PLATFORM_PROFILE_QUIET, platform_profile_handler.choices);
>
> In the commit msg you say that quiet profile is only supported on the non Omen
> models, should this then not be inside the else branch of the:
>
> if (is_omen_thermal_profile()) { ... } else { ... }
>
> just above this code block ?
>
> >       set_bit(PLATFORM_PROFILE_BALANCED, platform_profile_handler.choices);
> >       set_bit(PLATFORM_PROFILE_PERFORMANCE, platform_profile_handler.choices);
> >
You are correct.  I will submit a new patch shortly.

>
>
> Regards,
>
> Hans
>