[Bug 109382] RX Vega M GL performance and stuttering issues

[Bug 109382] RX Vega M GL performance and stuttering issues

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=109382

            Bug ID: 109382
           Summary: RX Vega M GL performance and stuttering issues
           Product: Mesa
           Version: 18.3
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: princetonf@optonline.net
        QA Contact: dri-devel@lists.freedesktop.org

OpenGL renderer string: AMD VEGAM (DRM 3.27.0, 4.20.3-arch1-1-ARCH, LLVM 7.0.0)
Dell XPS 9575


AMD's discrete GPU on the Kaby Lake architecture performs significantly worse
under Linux than under Windows. Below are some rudimentary data I've collected:

Game                    Linux           Windows
TF2                     30-50 FPS       60-100 FPS
Borderlands 2           30-43 FPS       42-52 FPS
Minecraft               60+ FPS         40-50 FPS
CSGO                    40-55 FPS       60+ FPS

Notably, Minecraft is the exception, performing much better under Linux for
some reason. 

All of the Source engine games (CSGO, TF2) I tested also had a very severe
stutter, which would happen every other second.

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[Bug 109382] RX Vega M GL performance and stuttering issues

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https://bugs.freedesktop.org/show_bug.cgi?id=109382

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

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

--- 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/1369.

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