Re: [PATCH] drm/i915/cml: Add second PCH ID for CMP

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HI, 

> -----Original Message-----
> From: Intel-gfx [mailto:intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Matt
> Roper
> Sent: tiistai 17. syyskuuta 2019 3.35
> To: Lucas De Marchi <lucas.de.marchi@xxxxxxxxx>
> Cc: Intel Graphics <intel-gfx@xxxxxxxxxxxxxxxxxxxxx>
> Subject: Re:  [PATCH] drm/i915/cml: Add second PCH ID for CMP
> 
> On Mon, Sep 16, 2019 at 05:26:10PM -0700, Lucas De Marchi wrote:
> > On Mon, Sep 16, 2019 at 4:33 PM Matt Roper <matthew.d.roper@xxxxxxxxx>
> wrote:
> > >
> > > The CMP PCH ID we have in the driver is correct for the CML-U
> > > machines we have in our CI system, but the CML-S and CML-H CI
> > > machines appear to use a
> >
> > CML-S is back to life, but CML-H is still failing. Is CML-H actually
> > using the same PCH?
> >
> 
> According to the CI's lspci output for each machine, CML-S has 0x0681 and CML-H
> has 0x068C.  We only care about the upper 9 bits, so a DEVICE_ID_TYPE of 0x0680
> should handle both of them.
> 
> It looks like CML-H wasn't even attempted by CI (no failure for igt@runner like we
> had before, just no results at all for anything).
> The CI BAT email say it wasn't a participating host (along with a handful of others),
> but I'm not sure what leads to that --- does it just mean the platform has been
> temporarily taken offline?
No, it probably just did not boot properly or something else, Tomi? 
It did something: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_14423/fi-cml-h/ ... 

> 
> 
> Matt
> 
> > Lucas De Marchi
> >
> > > different PCH ID, leading our driver to detect no PCH for them.
> > >
> > > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> > > Cc: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
> > > References: 729ae330a0f2e2 ("drm/i915/cml: Introduce Comet Lake
> > > PCH")
> > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111461
> > > Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> > > ---
> > >  drivers/gpu/drm/i915/intel_pch.c | 1 +
> > > drivers/gpu/drm/i915/intel_pch.h | 1 +
> > >  2 files changed, 2 insertions(+)
> > >
> > > diff --git a/drivers/gpu/drm/i915/intel_pch.c
> > > b/drivers/gpu/drm/i915/intel_pch.c
> > > index fa864d8f2b73..15f8bff141f9 100644
> > > --- a/drivers/gpu/drm/i915/intel_pch.c
> > > +++ b/drivers/gpu/drm/i915/intel_pch.c
> > > @@ -69,6 +69,7 @@ intel_pch_type(const struct drm_i915_private *dev_priv,
> unsigned short id)
> > >                 WARN_ON(!IS_CANNONLAKE(dev_priv) && !IS_COFFEELAKE(dev_priv));
> > >                 return PCH_CNP;
> > >         case INTEL_PCH_CMP_DEVICE_ID_TYPE:
> > > +       case INTEL_PCH_CMP2_DEVICE_ID_TYPE:
> > >                 DRM_DEBUG_KMS("Found Comet Lake PCH (CMP)\n");
> > >                 WARN_ON(!IS_COFFEELAKE(dev_priv));
> > >                 /* CometPoint is CNP Compatible */ diff --git
> > > a/drivers/gpu/drm/i915/intel_pch.h
> > > b/drivers/gpu/drm/i915/intel_pch.h
> > > index e6a2d65f19c6..c29c81ec7971 100644
> > > --- a/drivers/gpu/drm/i915/intel_pch.h
> > > +++ b/drivers/gpu/drm/i915/intel_pch.h
> > > @@ -41,6 +41,7 @@ enum intel_pch {
> > >  #define INTEL_PCH_CNP_DEVICE_ID_TYPE           0xA300
> > >  #define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE                0x9D80
> > >  #define INTEL_PCH_CMP_DEVICE_ID_TYPE           0x0280
> > > +#define INTEL_PCH_CMP2_DEVICE_ID_TYPE          0x0680
> > >  #define INTEL_PCH_ICP_DEVICE_ID_TYPE           0x3480
> > >  #define INTEL_PCH_MCC_DEVICE_ID_TYPE           0x4B00
> > >  #define INTEL_PCH_MCC2_DEVICE_ID_TYPE          0x3880
> > > --
> > > 2.21.0
> > >
> > > _______________________________________________
> > > Intel-gfx mailing list
> > > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> >
> >
> >
> > --
> > Lucas De Marchi
> 
> --
> Matt Roper
> Graphics Software Engineer
> VTT-OSGC Platform Enablement
> Intel Corporation
> (916) 356-2795
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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