linux-kernel - Re: [PATCH v2 3/3] drm/i915: Move to new PM core fields

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Message-ID: <CAKfTPtCNYz6a5rqvpGGGNgsAw_=HdqtpEOfXjn309saNUBjbrw@mail.gmail.com>
Date:   Tue, 18 Dec 2018 10:58:10 +0100
From:   Vincent Guittot <vincent.guittot@...aro.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        "open list:THERMAL" <linux-pm@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Thara Gopinath <thara.gopinath@...aro.org>,
        jani.nikula@...ux.intel.com, joonas.lahtinen@...ux.intel.com,
        rodrigo.vivi@...el.com, airlied@...ux.ie,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v2 3/3] drm/i915: Move to new PM core fields

On Tue, 18 Dec 2018 at 10:57, Rafael J. Wysocki <rafael@...nel.org> wrote:
>
> On Mon, Dec 17, 2018 at 3:22 PM Vincent Guittot
> <vincent.guittot@...aro.org> wrote:
> >
> > On Fri, 14 Dec 2018 at 15:36, Ulf Hansson <ulf.hansson@...aro.org> wrote:
> > >
> > > On Fri, 14 Dec 2018 at 15:22, Vincent Guittot
> > > <vincent.guittot@...aro.org> wrote:
> > > >
> > > > With jiffies been replaced by raw ns in PM core accounting, 915 driver is
> > > > updated to use this new time infrastructure.
> > > >
> > > > Signed-off-by: Vincent Guittot <vincent.guittot@...aro.org>
> > > > ---
> > > >  drivers/gpu/drm/i915/i915_pmu.c | 12 ++++++------
> > > >  drivers/gpu/drm/i915/i915_pmu.h |  4 ++--
> > > >  2 files changed, 8 insertions(+), 8 deletions(-)
> > > >
> > > > diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
> > > > index d6c8f8f..cf6437d 100644
> > > > --- a/drivers/gpu/drm/i915/i915_pmu.c
> > > > +++ b/drivers/gpu/drm/i915/i915_pmu.c
> > > > @@ -493,14 +493,14 @@ static u64 get_rc6(struct drm_i915_private *i915)
> > > >                  */
> > > >                 if (kdev->power.runtime_status == RPM_SUSPENDED) {
> > > >                         if (!i915->pmu.sample[__I915_SAMPLE_RC6_ESTIMATED].cur)
> > > > -                               i915->pmu.suspended_jiffies_last =
> > > > -                                                 kdev->power.suspended_jiffies;
> > > > +                               i915->pmu.suspended_time_last =
> > > > +                                       kdev->power.suspended_time;
> > > >
> > >
> > > Huh, so patch 2 introduces a complier error because of removing the
> > > old fields. We can't have that.
> >
> > I agree
> > The patch was mainly to raise discussion
>
> OK, so patch [1/3] from this series should be applicable regardless, right?

Yes