[Bug 98461] Radeon and 5k resolution 5120x2880 = corrupted image

[Bug 98461] Radeon and 5k resolution 5120x2880 = corrupted image

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=98461

            Bug ID: 98461
           Summary: Radeon and 5k resolution 5120x2880 = corrupted image
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: blesk2@gmail.com

Created attachment 127570
  --> https://bugs.freedesktop.org/attachment.cgi?id=127570&action=edit
Photo of display

I try to set 2560x2880 resolution on DisplayPort-0 and the same resolution on
DisplayPort-1, but screen is wobbly and distorted.
xrandr --output DisplayPort-0 --mode 2560x2880 --right-of DisplayPort-1
--output DisplayPort-1 --mode 2560x2880

xrandr 
Screen 0: minimum 320 x 200, current 2560 x 1440, maximum 16384 x 16384
DisplayPort-0 connected primary 2560x1440+0+0 (normal left inverted right x
axis y axis) 597mm x 336mm
   3840x2160     60.00 +  60.00  
   2560x1440     59.95*+
   2560x2880     59.98    29.99  
   1920x1200     59.88  
   1920x1080     60.00  
   1600x1200     60.00  
   1680x1050     59.95  
   1280x1024     60.02  
   1280x800      59.81  
   1024x768      60.00  
   800x600       60.32  
   640x480       60.00    59.94  
DisplayPort-1 connected (normal left inverted right x axis y axis)
   848x480       59.74 +
   2560x2880     59.98    29.99  


Monitor: Dell UP2715K
VGA: AMD FirePro W2100

It is related with Bug id 97244 (5k resolution but on Intel card).

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[Bug 98461] Radeon and 5k resolution 5120x2880 = corrupted image

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=98461

--- Comment #1 from blesk2@gmail.com ---
Created attachment 127571
  --> https://bugs.freedesktop.org/attachment.cgi?id=127571&action=edit
Xorg log

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[Bug 98461] Radeon and 5k resolution 5120x2880 = corrupted image

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https://bugs.freedesktop.org/show_bug.cgi?id=98461

--- Comment #2 from Denys <d.budelkov@gmail.com> ---
Probably it will be fixed with DAL release from AMD
https://www.x.org/wiki/Events/XDC2016/Program/amd_dal.pdf

But unfortunately it's looks like we should wait for kernel 4.11 or even later(
http://www.phoronix.com/scan.php?page=news_item&px=AMD-DAL-21-November-2016

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[Bug 98461] Radeon and 5k resolution 5120x2880 = corrupted image

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https://bugs.freedesktop.org/show_bug.cgi?id=98461

Denys <d.budelkov@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|DRM/Radeon                  |DRM/AMDgpu

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[Bug 98461] Radeon and 5k resolution 5120x2880 = corrupted image

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https://bugs.freedesktop.org/show_bug.cgi?id=98461

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #3 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/113.

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