Re: [Regression] "drm/amdgpu: enable gfxoff again on raven series (v2)"

[Kai-Heng Feng]

at 14:29, Huang, Ray <Ray.Huang@xxxxxxx> wrote:

> > -----Original Message-----
> > From: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
> > Sent: Thursday, August 08, 2019 1:45 AM
> > To: Huang, Ray <Ray.Huang@xxxxxxx>
> > Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian
> > <Christian.Koenig@xxxxxxx>; Zhou, David(ChunMing)
> > <David1.Zhou@xxxxxxx>; amd-gfx list <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>;
> > dri-devel@xxxxxxxxxxxxxxxxxxxxx; LKML <linux-kernel@xxxxxxxxxxxxxxx>;
> > Anthony Wong <anthony.wong@xxxxxxxxxxxxx>
> > Subject: Re: [Regression] "drm/amdgpu: enable gfxoff again on raven series
> > (v2)"
> >
> > Hi Ray,
> >
> > at 00:03, Huang, Ray <Ray.Huang@xxxxxxx> wrote:
> >
> > > May I know the all firmware version in your system?
>
> Seems to the issue we encountered with IOMMU enabled. Could you please  
> disable iommu in SBIOS or GRUB?

Yes, "amd_iommu=off" can workaround the issue.

Kai-Heng

> Thanks,
> Ray
>
> > # cat amdgpu_firmware_info
> > VCE feature version: 0, firmware version: 0x00000000
> > UVD feature version: 0, firmware version: 0x00000000
> > MC feature version: 0, firmware version: 0x00000000
> > ME feature version: 40, firmware version: 0x00000099
> > PFP feature version: 40, firmware version: 0x000000ae
> > CE feature version: 40, firmware version: 0x0000004d
> > RLC feature version: 1, firmware version: 0x00000213
> > RLC SRLC feature version: 1, firmware version: 0x00000001
> > RLC SRLG feature version: 1, firmware version: 0x00000001
> > RLC SRLS feature version: 1, firmware version: 0x00000001
> > MEC feature version: 40, firmware version: 0x0000018b
> > MEC2 feature version: 40, firmware version: 0x0000018b
> > SOS feature version: 0, firmware version: 0x00000000
> > ASD feature version: 0, firmware version: 0x001ad4d4
> > TA XGMI feature version: 0, firmware version: 0x00000000
> > TA RAS feature version: 0, firmware version: 0x00000000
> > SMC feature version: 0, firmware version: 0x00001e44
> > SDMA0 feature version: 41, firmware version: 0x000000a9
> > VCN feature version: 0, firmware version: 0x0110901c
> > DMCU feature version: 0, firmware version: 0x00000000
> > VBIOS version: 113-RAVEN-103
> >
> > Kai-Heng
> >
> > > Thanks,
> > > Ray
> > >
> > > From: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
> > > Sent: Wednesday, August 7, 2019 8:50 PM
> > > To: Huang, Ray
> > > Cc: Deucher, Alexander; Koenig, Christian; Zhou, David(ChunMing); amd-
> > gfx
> > > list; dri-devel@xxxxxxxxxxxxxxxxxxxxx; LKML; Anthony Wong
> > > Subject: [Regression] "drm/amdgpu: enable gfxoff again on raven series
> > > (v2)"
> > >
> > > Hi,
> > >
> > > After commit 005440066f92 ("drm/amdgpu: enable gfxoff again on raven
> > series
> > > (v2)â), browsers on Raven Ridge systems cause serious corruption like  
> > > this:
> > > https://launchpadlibrarian.net/436319772/Screenshot%20from%202019-
> > 08-07%2004-20-34.png
> > > Firmwares for Raven Ridge is up-to-date.
> > >
> > > Kai-Heng