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SubjectRE: [PATCH 1/1] perf/x86/intel/uncore: Add Broadwell-DE uncore support
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> 
> > > + },
> > > + { /* MC0 Channel 0 */
> > > + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x6fb0),
> > > + .driver_data =
> > UNCORE_PCI_DEV_DATA(BDX_PCI_UNCORE_IMC, 0),
> > > + },
> > > + { /* MC0 Channel 1 */
> > > + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x6fb1),
> > > + .driver_data =
> > UNCORE_PCI_DEV_DATA(BDX_PCI_UNCORE_IMC, 1),
> > > + },
> >
> > Are you sure about the two PCI id for the IMCs (0x6fb0, 0x6fb1) ?
> > I do not see them on my system?
>
> Yes, the PCI id is correct. You cannot see them is because they are hide by
> BIOS. I've already sent a request to BIOS team to unhide them. I will let you
> know the updated BIOS version, once I get feedback from them.
> BTW, I've verified the PCI id in BDX-EP with corrected BIOS. IMCs counter
> works well. EP and DE are same for iMC0CH0 and iMC0CH1.
>

Hi Stephane,

The issue has been fixed since BIOS 76V12 for BDX-DE.
You may update the BIOS to unhide IMC counter.

Thanks,
Kan
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