[Bug 97882] [amdgpu SI] amdgpu on SI devices is much slower then radeon

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97882

            Bug ID: 97882
           Summary: [amdgpu SI] amdgpu on SI devices is much slower then
                    radeon
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: trevor.davenport at gmail.com
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 126682
  --> https://bugs.freedesktop.org/attachment.cgi?id=126682&action=edit
dmesg

AMDGPU on SI devices appears to be much slower then radeon currently is.  

For example, Unigine Heaven 4.0:
   AMDGPU FPS:18.3 Score:460 Min FPS:9.5 Max FPS:46.1
   RADEON FPS:38.4 Score:967 Min FPS:7.5 Max FPS:83.5

Reading /sys/kernel/debug/dri/0/radeon_pm_info both report the same values:
   uvd    vclk: 0 dclk: 0
   power level 3    sclk: 105000 mclk: 140000 vddc: 1206 vddci: 1025 pcie gen:
2

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