[Bug 104266] [polaris10][arm] blurred screen on AMD Radeon Pro WX 7100

[Bug 104266] [polaris10][arm] blurred screen on AMD Radeon Pro WX 7100

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=104266

            Bug ID: 104266
           Summary: [polaris10][arm] blurred screen on AMD Radeon Pro WX
                    7100
           Product: Mesa
           Version: 17.2
          Hardware: ARM
                OS: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: vedran@miletic.net
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 136175
  --> https://bugs.freedesktop.org/attachment.cgi?id=136175&action=edit
Photo

>From ML Mesa-dev:
https://lists.freedesktop.org/archives/mesa-dev/2017-December/179186.html
https://lists.freedesktop.org/archives/mesa-dev/2017-December/179426.html
https://lists.freedesktop.org/archives/mesa-dev/2017-December/180001.html

Hi,

We met a problem on ubuntu17.10 for arm server with amdgpu (AMD RADEON PRO WX
7100), we use open source driver which are integrated in ubuntu17.10 (Mesa
17.2.2). And the architecture is AArch64-linux-gnu.

we install:

  apt-get install xserver-xorg xinit xfce4 and mesa-utils glmark2

we start x server:

  startx

and then the monitor shows the screen and the screen is blurred (something
wrong).

And I have tried some opengl applications, the output has same
problem.(something is missing or in the wrong place.)

But in a x86_64 architecture server, with same OS. The screen output is normal.
(I check xorg\DDX\mesa\libdrm etc.all the versions are the same with aarch64
server.)

What I have done:

1. I upgrade kernel to 4.15-rc2 ,upgrade DRM to 3.23,upgrade DDX to
1.40,upgrade mesa to 17.2.6, but the problem still exist.

2. I enable ‘shadowprimary’ option, the screen output became normal, but the
performance drop quickly——glxgears drop from 4800fps to 600fps, glmark drop
from 4300 score to 730 score. (We solve the glxgears segmentation fault problem
by add the compile flags: -fsigned-char. In arm platform, char variant default
to "unsigned-char", that makes problem of glxgears segmentation fault. But
after we recompile mesa with -fsigned-char. The screen output still
tearing(blurred). the display problem still exist.)

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[Bug 104266] [polaris10][arm] blurred screen on AMD Radeon Pro WX 7100

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https://bugs.freedesktop.org/show_bug.cgi?id=104266

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

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

--- Comment #1 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- 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/mesa/mesa/issues/1291.

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