Screen flicckering due to "drm/amdgpu: enable gfxoff again on raven series"

Sat Apr 6 07:09:09 UTC 2019

Yes this seems to solve the issue, even amdgpu.ppfeaturemask=0xffff7fff
provides the same efect.

* Alex Deucher <alexdeucher at gmail.com> [2019-04-05 16:26:15 -0400]:

>On Fri, Apr 5, 2019 at 4:00 PM Pinky <j-pi at seznam.cz> wrote:
>>
>> Yes, this one seems to be already in the drm-next branch (HEAD is
>> now 7cdd4dc58d28).
>>
>
>I'm not sure what is going on them.  You have RLC firmware version
>53815 (0x0000d237) so gfx power gating is being disabled as of
>083d022913f2f8c3bc1183a13874ad777b9f5bdd.
>
>Does setting amdgpu.ppfeaturemask=0xfffd3fff fix the issue?
>
>Alex
>
>> Just for completenes, there seems to be few more (probably unrelated) bugs.
>> One with mouse (1), some artifact sometimes appear and terminal in X
>> sometimes display black instead of text when scrooling. I did not intend
>> to discuss this here, just mentioning it.
>>
>> P
>>
>>
>>
>> (1) https://bugs.freedesktop.org/show_bug.cgi?id=110339
>>
>> * Deucher, Alexander <Alexander.Deucher at amd.com> [2019-04-05 18:44:52 +0000]:
>>
>> >Make sure you have this patch as well:
>> >https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-5.2-wip&id=083d022913f2f8c3bc1183a13874ad777b9f5bdd
>> >
>> >Alex
>> >________________________________
>> >From: Pinky <j-pi at seznam.cz>
>> >Sent: Friday, April 5, 2019 2:38 PM
>> >To: Deucher, Alexander
>> >Cc: Huang, Ray; amd-gfx at lists.freedesktop.org
>> >Subject: Re: Screen flicckering due to "drm/amdgpu: enable gfxoff again on raven series"
>> >
>> >
>> >cat /sys/kernel/debug/dri/0/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: 0x0000d237
>> >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: 0x0017ba78
>> >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: 0x01004912
>> >DMCU feature version: 0, firmware version: 0x00000001
>> >VBIOS version: 113-RAVEN-110
>> >
>> >
>> >
>> >* Deucher, Alexander <Alexander.Deucher at amd.com> [2019-04-05 18:33:23 +0000]:
>> >
>> >>+ Ray
>> >>
>> >>Ray, any ideas?
>> >>
>> >>Pinkava,
>> >>
>> >>can you provide the output of:
>> >>sudo cat /sys/kernel/debug/dri/0/amdgpu_firmware_info
>> >>
>> >>Thanks,
>> >>
>> >>Alex
>> >>________________________________
>> >>From: Pinky <j-pi at seznam.cz>
>> >>Sent: Friday, April 5, 2019 1:53 PM
>> >>To: Deucher, Alexander
>> >>Cc: amd-gfx at lists.freedesktop.org
>> >>Subject: Re: Screen flicckering due to "drm/amdgpu: enable gfxoff again on raven series"
>> >>
>> >>No, this does no do anything, the bug is still present.
>> >>
>> >>
>> >>* Deucher, Alexander <Alexander.Deucher at amd.com> [2019-04-05 17:07:21 +0000]:
>> >>
>> >>>This may be related to stutter mode rather than gfxoff.  If so, there is a fix in the pipeline for that.  Does setting appending amdgpu.ppfeaturemask=0xfffdbfff on the kernel command line fix it?
>> >>>
>> >>>Alex
>> >>>________________________________
>> >>>From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Pinky <j-pi at seznam.cz>
>> >>>Sent: Friday, April 5, 2019 12:24 PM
>> >>>To: amd-gfx at lists.freedesktop.org
>> >>>Subject: Screen flicckering due to "drm/amdgpu: enable gfxoff again on raven series"
>> >>>
>> >>>Hello,
>> >>>
>> >>>I have today compiled the drm-next kernel from (1) and find out the screen is
>> >>>flickering and shows various artifacts. By bissecting I found the cause
>> >>>is commit 005440066f929ba0dca8f4e0aebfbf8daac592cc. By reverting it the
>> >>>problem went out.
>> >>>
>> >>>I does not have idea about what to do next. Sorry if this should be posted to
>> >>>some bugzilla instead, I have got a bit lost. If so, would You please
>> >>>point my out what to do?
>> >>>
>> >>>With best regards,
>> >>>    Pinkava J.
>> >>>
>> >>>
>> >>>lspci (partial)
>> >>>
>> >>>00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 IOMMU
>> >>>00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) PCIe Dummy Host Bridge
>> >>>06:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Raven Ridge [Radeon Vega Series / Radeon Vega Mobile Series] (rev d1)
>> >>>06:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Raven/Raven2/Fenghuang HDMI/DP Audio Controller
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>(1) git://people.freedesktop.org/~agd5f/linux
>> >>>_______________________________________________
>> >>>amd-gfx mailing list
>> >>>amd-gfx at lists.freedesktop.org
>> >>>https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>> >>
>> >>>_______________________________________________
>> >>>amd-gfx mailing list
>> >>>amd-gfx at lists.freedesktop.org
>> >>>https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>> >>
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