[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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https://bugs.freedesktop.org/show_bug.cgi?id=91197

Martin Peres  changed:

   What|Removed |Added

 Status|REOPENED|RESOLVED
 Resolution|--- |MOVED

--- Comment #18 from Martin Peres  ---
-- 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/627.

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91197

--- Comment #17 from dennis.jansen at web.de ---
Update: I get the BF64 error each time I switch between X and console. So it
takes about 5 seconds each time. I still have to manually had modes to get 4k
to work.

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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https://bugs.freedesktop.org/show_bug.cgi?id=91197

dennis.jansen at web.de changed:

   What|Removed |Added

 Resolution|FIXED   |---
 Status|RESOLVED|REOPENED

--- Comment #16 from dennis.jansen at web.de ---
(In reply to NeverMind from comment #15)
> Since the last update this bug no longer occur

Could you clarify? What was updated? How was it fixed? 
Because the bug is still present for me in 4.2.
If it was fixed for you, maybe you had a different bug. As this is the bug I've
created, I'm reopening it.

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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https://bugs.freedesktop.org/show_bug.cgi?id=91197

NeverMind  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #15 from NeverMind  ---
Since the last update this bug no longer occur

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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https://bugs.freedesktop.org/show_bug.cgi?id=91197

--- Comment #14 from NeverMind  ---
Created attachment 117228
  --> https://bugs.freedesktop.org/attachment.cgi?id=117228=edit
Xorg.log

Same bug with Radeon HD 8370D

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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NeverMind  changed:

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 Attachment #117227|text/plain  |application/octet-stream
  mime type||

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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--- Comment #13 from NeverMind  ---
Created attachment 117227
  --> https://bugs.freedesktop.org/attachment.cgi?id=117227=edit
vbios.rom

Same bug with Radeon HD 8370D

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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--- Comment #12 from NeverMind  ---
Created attachment 117226
  --> https://bugs.freedesktop.org/attachment.cgi?id=117226=edit
dmesg

Same bug with Radeon HD 8370D

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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https://bugs.freedesktop.org/show_bug.cgi?id=91197

--- Comment #11 from dennis.jansen at web.de ---
I've found a workaround:

xrandr --newmode "3840x2160_30"   262.92   3840 3888 3920 4000   2160 2163 2168
2191  +hsync 
xrandr --addmode HDMI-0 "3840x2160_30"
xrandr --output HDMI-0 --mode 3840x2160_30

I'm guessing the pixel clock might have been too high. Same problem with the
Windows driver. The page (http://www.epanorama.net/faq/vga2rgb/calc.html)
allowed me to convert the modeline with lower clock created with cru
(http://www.monitortests.com/forum/Thread-Custom-Resolution-Utility-CRU) in
Windows to Linux. I was pleasantly surprised to find even vdpau working well,
of course only up to FullHD video, but smooth playback on 4k resolution.

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--- Comment #10 from dennis.jansen at web.de ---
Created attachment 116890
  --> https://bugs.freedesktop.org/attachment.cgi?id=116890=edit
dmesg 4.1+daily boot and vt switch and xrandr try

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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--- Comment #9 from dennis.jansen at web.de ---
Created attachment 116889
  --> https://bugs.freedesktop.org/attachment.cgi?id=116889=edit
dmesg 4.1+drm-next boot only

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--- Comment #8 from dennis.jansen at web.de ---
Same issue in linux-drm-next and linux-daily from the Ubuntu repositories.

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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--- Comment #7 from dennis.jansen at web.de ---
I'll try linux-drm-next real quick, brb.

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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--- Comment #6 from dennis.jansen at web.de ---
Created attachment 116886
  --> https://bugs.freedesktop.org/attachment.cgi?id=116886=edit
vbios.rom

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[Bug 91197] Radeon Trinity 7400G fails with 4K UHD screen - atombios stuck executing BF64

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dennis.jansen at web.de changed:

   What|Removed |Added

Summary|Radeon Trinity 7400G fails  |Radeon Trinity 7400G fails
   |with 4K UHD screen -|with 4K UHD screen -
   |atombios stuck exeuting |atombios stuck executing
   |BF64|BF64

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