[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

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Bug ID 99955
Summary [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load
Product Mesa
Version git
Hardware All
OS Linux (All)
Status NEW
Severity normal
Priority medium
Component Drivers/Gallium/r600
Assignee dri-devel@lists.freedesktop.org
Reporter megwattt@gmail.com
QA Contact dri-devel@lists.freedesktop.org

Hello,

The GPU-load graph from GALLIUM_HUD will always be at 100%, no matter what
application is launched (even glxgears with vblank_mode=3). I tested that on my
Radeon HD 5770.

This regression is caused by commit b8f3b00742eab6ee1868407b876f69195a51f3b6 :
gallium/radeon: include SDMA in the GPU load query.

It doesn't seems to affect radeonsi, as the GPU-load results on a TOPAZ XT chip
are more reasonable (~5% with the same test).


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