linux-kernel - Re: [PATCH v2] drm/etnaviv: rework perfmon query infrastructure

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Date:   Wed, 15 Apr 2020 23:08:13 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Lucas Stach <l.stach@...gutronix.de>,
        Christian Gmeiner <christian.gmeiner@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>
Cc:     open list <linux-kernel@...r.kernel.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        linux- stable <stable@...r.kernel.org>,
        Russell King <linux+etnaviv@...linux.org.uk>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, etnaviv@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, lkft-triage@...ts.linaro.org
Subject: Re: [PATCH v2] drm/etnaviv: rework perfmon query infrastructure

On Tue, 3 Mar 2020 at 17:19, Lucas Stach <l.stach@...gutronix.de> wrote:
>
> On Fr, 2020-02-28 at 11:37 +0100, Christian Gmeiner wrote:
> > Report the correct perfmon domains and signals depending
> > on the supported feature flags.
> >
> > Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> > Fixes: 9e2c2e273012 ("drm/etnaviv: add infrastructure to query perf counter")
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Christian Gmeiner <christian.gmeiner@...il.com>
>
> Thanks, applied to etnaviv/next.
>
> Regards,
> Lucas
>
> >
> > ---
> > Changes V1 -> V2:
> >   - Handle domain == NULL case better to get rid of BUG_ON(..) usage.
> > ---
> >  drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 59 ++++++++++++++++++++---
> >  1 file changed, 52 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
> > index 8adbf2861bff..e6795bafcbb9 100644
> > --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
> > +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
> > @@ -32,6 +32,7 @@ struct etnaviv_pm_domain {
> >  };
> >
> >  struct etnaviv_pm_domain_meta {
> > +     unsigned int feature;
> >       const struct etnaviv_pm_domain *domains;
> >       u32 nr_domains;
> >  };
> > @@ -410,36 +411,78 @@ static const struct etnaviv_pm_domain doms_vg[] = {
> >
> >  static const struct etnaviv_pm_domain_meta doms_meta[] = {
> >       {
> > +             .feature = chipFeatures_PIPE_3D,

make modules failed for arm architecture on stable rc 4.19 branch.

drivers/gpu/drm/etnaviv/etnaviv_perfmon.c:392:14: error:
'chipFeatures_PIPE_3D' undeclared here (not in a function)
   .feature = chipFeatures_PIPE_3D,
              ^~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/etnaviv/etnaviv_perfmon.c:397:14: error:
'chipFeatures_PIPE_2D' undeclared here (not in a function); did you
mean 'chipFeatures_PIPE_3D'?
   .feature = chipFeatures_PIPE_2D,
              ^~~~~~~~~~~~~~~~~~~~
              chipFeatures_PIPE_3D
drivers/gpu/drm/etnaviv/etnaviv_perfmon.c:402:14: error:
'chipFeatures_PIPE_VG' undeclared here (not in a function); did you
mean 'chipFeatures_PIPE_2D'?
   .feature = chipFeatures_PIPE_VG,
              ^~~~~~~~~~~~~~~~~~~~
              chipFeatures_PIPE_2D


ref:
https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-stable-rc-4.19/DISTRO=lkft,MACHINE=am57xx-evm,label=docker-lkft/511/consoleText