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SubjectRe: [Regression] "drm/amdgpu: enable gfxoff again on raven series (v2)"
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at 14:29, Huang, Ray <Ray.Huang@amd.com> wrote:

>> -----Original Message-----
>> From: Kai-Heng Feng <kai.heng.feng@canonical.com>
>> Sent: Thursday, August 08, 2019 1:45 AM
>> To: Huang, Ray <Ray.Huang@amd.com>
>> Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; Koenig, Christian
>> <Christian.Koenig@amd.com>; Zhou, David(ChunMing)
>> <David1.Zhou@amd.com>; amd-gfx list <amd-gfx@lists.freedesktop.org>;
>> dri-devel@lists.freedesktop.org; LKML <linux-kernel@vger.kernel.org>;
>> Anthony Wong <anthony.wong@canonical.com>
>> Subject: Re: [Regression] "drm/amdgpu: enable gfxoff again on raven series
>> (v2)"
>>
>> Hi Ray,
>>
>> 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?

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@canonical.com>
>>> Sent: Wednesday, August 7, 2019 8:50 PM
>>> To: Huang, Ray
>>> Cc: Deucher, Alexander; Koenig, Christian; Zhou, David(ChunMing); amd-
>> gfx
>>> list; dri-devel@lists.freedesktop.org; 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)”), 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


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