* [Bug 106639] System display has noise when amdgpu module is being loaded
2018-05-24 7:41 [Bug 106639] System display has noise when amdgpu module is being loaded bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #1 from jian-hong@endlessm.com ---
Created attachment 139733
--> https://bugs.freedesktop.org/attachment.cgi?id=139733&action=edit
The full dmesg
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* [Bug 106639] System display has noise when amdgpu module is being loaded
2018-05-24 7:41 [Bug 106639] System display has noise when amdgpu module is being loaded bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #2 from Michel Dänzer <michel@daenzer.net> ---
Does
https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-4.18&id=ebdef28ebbcf767d9fa687acb1d02d97d834c628
help?
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* [Bug 106639] System display has noise when amdgpu module is being loaded
2018-05-24 7:41 [Bug 106639] System display has noise when amdgpu module is being loaded bugzilla-daemon
2018-05-24 7:42 ` bugzilla-daemon
2018-05-24 15:18 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-05-28 6:50 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #3 from jian-hong@endlessm.com ---
Created attachment 139808
--> https://bugs.freedesktop.org/attachment.cgi?id=139808&action=edit
Here is the video of the noise, watch the bottom of the screen
Thanks for the suggestion from Michel.
I tried the git://people.freedesktop.org/~agd5f/linux branch drm-next-4.18
whose last commit is b8f3439fa5358ac84d29fa2f4afa115500dec74c containing the
commit ebdef28ebbcf767d9fa687acb1d02d97d834c628.
It is better than before, but still has noise during loading amdgpu module.
The attachment is the video of the noise, watch the bottom of the screen.
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* [Bug 106639] System display has noise when amdgpu module is being loaded
2018-05-24 7:41 [Bug 106639] System display has noise when amdgpu module is being loaded bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #4 from jian-hong@endlessm.com ---
Created attachment 139809
--> https://bugs.freedesktop.org/attachment.cgi?id=139809&action=edit
dmesg of trying commit b8f3439fa5358ac84d29fa2f4afa115500dec74c
Here is the full dmesg of trying the git://people.freedesktop.org/~agd5f/linux
branch drm-next-4.18 whose last commit is
8f3439fa5358ac84d29fa2f4afa115500dec74c
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* [Bug 106639] System display has noise when amdgpu module is being loaded
2018-05-24 7:41 [Bug 106639] System display has noise when amdgpu module is being loaded bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #5 from jian-hong@endlessm.com ---
Hi Michel,
The patch which you mentioned works better than before.
Will it be back ported to Linux kernel 4.16 or 4.17?
Thanks
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* [Bug 106639] System display has noise when amdgpu module is being loaded
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #6 from Daniel Drake <dan@reactivated.net> ---
This issue can be reproduced on Linux 4.18.5 on Asus X570VD (AMD Ryzen 7 with
Radeon Vega Mobile Gfx) which includes the above patch.
It can also be reproduced on the latest 4.15 kernel in Ubuntu 18.04.
In both cases the glitch is quite jarring, lots of white flashing up in the
middle of the screen.
During ubuntu boot:
https://youtu.be/cOYumE38Xac
During manual modprobe:
https://youtu.be/I1a6C4mF6pA
I installed AMDGPU-PRO 18.20 All-Open version and the problem remains.
Please let me know how we can assist with next steps.
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* [Bug 106639] System display has noise when amdgpu module is being loaded
2018-05-24 7:41 [Bug 106639] System display has noise when amdgpu module is being loaded bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #7 from Daniel Drake <dan@reactivated.net> ---
Sorry for the typo above - the product is Asus X570ZD
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* [Bug 106639] System display has noise when amdgpu module is being loaded
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #8 from Daniel Drake <dan@reactivated.net> ---
Created attachment 141304
--> https://bugs.freedesktop.org/attachment.cgi?id=141304&action=edit
Asus X570ZD dmesg with debug params
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* [Bug 106639] System display has noise when amdgpu module is being loaded
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #9 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 141309
--> https://bugs.freedesktop.org/attachment.cgi?id=141309&action=edit
possible fix
This patch should help but please check if you can pass several S3 cycles with
it.
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* [Bug 106639] System display has noise when amdgpu module is being loaded
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #10 from Daniel Drake <dan@reactivated.net> ---
Thanks - that looks great! I don't see any glitch now.
There is still a flash during boot, presumably when it hands off from efifb to
amdgpu it's doing a modeset. But it's ultra quick and it doesn't feel like a
glitch, so I don't think it's worth viewing that as a defect.
I did 10 suspend/resume cycles and didn't see any failures there.
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* [Bug 106639] System display has noise when amdgpu module is being loaded
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
--- Comment #11 from Daniel Drake <dan@reactivated.net> ---
Also confirmed working after applying these commits from amd-staging-drm-next
Applying: drm/amdgpu/gmc9: rework stolen vga memory handling
Applying: drm/amdgpu/gmc9: don't keep stolen memory on Raven
Applying: drm/amdgpu/gmc9: don't keep stolen memory on vega12
Applying: drm/amdgpu/gmc9: don't keep stolen memory on vega20
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* [Bug 106639] System display has noise when amdgpu module is being loaded
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https://bugs.freedesktop.org/show_bug.cgi?id=106639
Martin Peres <martin.peres@free.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |MOVED
--- Comment #12 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --
This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.
You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/397.
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