> -----Original Message----- > From: Michel Dänzer <michel@xxxxxxxxxxx> > Sent: Thursday, August 08, 2019 4:10 PM > To: Huang, Ray <Ray.Huang@xxxxxxx>; Kai-Heng Feng > <kai.heng.feng@xxxxxxxxxxxxx> > Cc: Zhou, David(ChunMing) <David1.Zhou@xxxxxxx>; LKML <linux- > kernel@xxxxxxxxxxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx; Anthony Wong > <anthony.wong@xxxxxxxxxxxxx>; amd-gfx list <amd- > gfx@xxxxxxxxxxxxxxxxxxxxx>; Deucher, Alexander > <Alexander.Deucher@xxxxxxx>; Koenig, Christian > <Christian.Koenig@xxxxxxx> > Subject: Re: [Regression] "drm/amdgpu: enable gfxoff again on raven series > (v2)" > > On 2019-08-08 8:29 a.m., Huang, Ray wrote: > >> From: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> 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? > > The driver needs to work with the IOMMU enabled. If nothing else, ROCm > only works with IOMMU I think. > Yes. ROCm in APU required IOMMU v2. So far, I am asking Kai-Heng to do some tests to make sure the issue that was encountered by us before. (+ Marek) Thanks, Ray > > -- > Earthling Michel Dänzer | https://www.amd.com > Libre software enthusiast | Mesa and X developer _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel