lkml.org 
[lkml]   [2018]   [Feb]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] platform/x86: intel_turbo_max_3: Remove restriction for HWP platforms
From
Date
On Wed, 2018-02-14 at 21:29 +0200, Andy Shevchenko wrote:
> On Mon, Feb 12, 2018 at 9:50 PM, Srinivas Pandruvada
> <srinivas.pandruvada@linux.intel.com> wrote:
> > On systems supporting HWP (Hardware P-States) mode, we expected to
> > enumerate core priority via ACPI-CPPC tables. Unfortunately
> > deployment of
> > TURBO 3.0 didn't use this method to show core priority. So users
> > are not
> > able to utilize this feature in HWP mode.
> >
> > So remove the loading restriction of this driver for HWP enabled
> > systems.
> > Even if there are some systems, which are providing the core
> > priority via
> > ACPI CPPC, this shouldn't cause any conflict as the source of
> > priority
> > definition is same.
> >
>
> Pushed to my review and testing queue, thanks!
>
> P.S. Should it go to stable?
I want to avoid stable kernel for now.

Thanks,
Srinivas

>
> > Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel
> > .com>
> > Reported-and-tested-and-reviewed-by: Arjan van de Ven <arjan@linux.
> > intel.com>
> > ---
> >  drivers/platform/x86/intel_turbo_max_3.c | 3 ---
> >  1 file changed, 3 deletions(-)
> >
> > diff --git a/drivers/platform/x86/intel_turbo_max_3.c
> > b/drivers/platform/x86/intel_turbo_max_3.c
> > index d4ea01805879..a6d5aa0c3c47 100644
> > --- a/drivers/platform/x86/intel_turbo_max_3.c
> > +++ b/drivers/platform/x86/intel_turbo_max_3.c
> > @@ -138,9 +138,6 @@ static int __init itmt_legacy_init(void)
> >         if (!id)
> >                 return -ENODEV;
> >
> > -       if (boot_cpu_has(X86_FEATURE_HWP))
> > -               return -ENODEV;
> > -
> >         ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN,
> >                                 "platform/x86/turbo_max_3:online",
> >                                 itmt_legacy_cpu_online, NULL);
> > --
> > 2.13.6
> >
>
>
>

\
 
 \ /
  Last update: 2018-02-15 00:48    [W:0.160 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site