>
>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@xxxxxxx> [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@xxxxxxxxx>
>> >Sent: Friday, April 5, 2019 2:38 PM
>> >To: Deucher, Alexander
>> >Cc: Huang, Ray; amd-gfx@xxxxxxxxxxxxxxxxxxxxx
>> >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@xxxxxxx> [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@xxxxxxxxx>
>> >>Sent: Friday, April 5, 2019 1:53 PM
>> >>To: Deucher, Alexander
>> >>Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
>> >>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@xxxxxxx> [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@xxxxxxxxxxxxxxxxxxxxx> on behalf
of
>> >>>Pinky <j-pi@xxxxxxxxx>
>> >>>Sent: Friday, April 5, 2019 12:24 PM
>> >>>To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
>> >>>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@xxxxxxxxxxxxxxxxxxxxx
>> >>>https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>> >>
>> >>>_______________________________________________
>> >>>amd-gfx mailing list
>> >>>amd-gfx@xxxxxxxxxxxxxxxxxxxxx
>> >>>https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>> >>
>> _______________________________________________
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