From: "Huang, Ray" <Ray.Huang@amd.com>
To: "Michel Dänzer" <michel@daenzer.net>,
"Kai-Heng Feng" <kai.heng.feng@canonical.com>,
"Olsak, Marek" <Marek.Olsak@amd.com>
Cc: "Zhou, David(ChunMing)" <David1.Zhou@amd.com>,
LKML <linux-kernel@vger.kernel.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
Anthony Wong <anthony.wong@canonical.com>,
amd-gfx list <amd-gfx@lists.freedesktop.org>,
"Deucher, Alexander" <Alexander.Deucher@amd.com>,
"Koenig, Christian" <Christian.Koenig@amd.com>
Subject: RE: [Regression] "drm/amdgpu: enable gfxoff again on raven series (v2)"
Date: Thu, 8 Aug 2019 08:14:53 +0000 [thread overview]
Message-ID: <MN2PR12MB3309A9960E429AA5B0A8AD19ECD70@MN2PR12MB3309.namprd12.prod.outlook.com> (raw)
In-Reply-To: <615a4948-d0f9-46fc-f43e-2025455e9af6@daenzer.net>
> -----Original Message-----
> From: Michel Dänzer <michel@daenzer.net>
> Sent: Thursday, August 08, 2019 4:10 PM
> To: Huang, Ray <Ray.Huang@amd.com>; Kai-Heng Feng
> <kai.heng.feng@canonical.com>
> Cc: Zhou, David(ChunMing) <David1.Zhou@amd.com>; LKML <linux-
> kernel@vger.kernel.org>; dri-devel@lists.freedesktop.org; Anthony Wong
> <anthony.wong@canonical.com>; amd-gfx list <amd-
> gfx@lists.freedesktop.org>; Deucher, Alexander
> <Alexander.Deucher@amd.com>; Koenig, Christian
> <Christian.Koenig@amd.com>
> 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@canonical.com> at 00:03, Huang,
> >> Ray <Ray.Huang@amd.com> 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
prev parent reply other threads:[~2019-08-08 8:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-07 12:50 [Regression] "drm/amdgpu: enable gfxoff again on raven series (v2)" Kai-Heng Feng
[not found] ` <MN2PR12MB330979BAFF5BCC758258D54CECD40@MN2PR12MB3309.namprd12.prod.outlook.com>
2019-08-07 17:44 ` Kai-Heng Feng
2019-08-08 6:29 ` Huang, Ray
2019-08-08 6:40 ` Kai-Heng Feng
2019-08-08 8:10 ` Michel Dänzer
2019-08-08 8:14 ` Huang, Ray [this message]
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