[Bug 201345] New: Micro stuttering in RocketLeague

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=201345

            Bug ID: 201345
           Summary: Micro stuttering in RocketLeague
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.19.0-rc6
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: mh at familie-heinz.name
        Regression: No

Created attachment 278951
  --> https://bugzilla.kernel.org/attachment.cgi?id=278951&action=edit
Shader clock and fps directly after a boot

Hi,

everytime I start RocketLeague the first time after a boot I have some kind of 
micro stuttering. This happens with my RX550 and on a Vega 56.

A workaround is to set power_dpm_force_performance_level to "high".

Setting it back to "auto" on the RX550 makes the stuttering return. Doing the
same thing on the Vega 56 not and the stuttering is gone until the next boot.

I'll attach three screenshots that display the shader clock and fps via gallium
hud. One directly after a boot, one with performance_level set to "high" and
one after resetting it to "auto". All screenshots were made with the Vega 56
and Mesa 18.2.0.

Best regards
Matthias

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