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

[Alex Deucher]

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
> >>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx