https://bugs.freedesktop.org/show_bug.cgi?id=88227
Bug ID: 88227
Summary: Radeonsi: High GTT usage in Prison Architect large map
Product: DRI
Version: DRI git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
Assignee: dri-devel at lists.freedesktop.org
Reporter: lothmordor at gmail.com
Created attachment 111992
--> https://bugs.freedesktop.org/attachment.cgi?id=111992&action=edit
dmesg
Poor performace in Prison Architect (version alpha-28) when trying to play on
the large map setting. Small map is smooth, Gallium hud showing 60fps. A new
game with a large map (empty, nothing constructed) has about 0fps and high GTT
usage while zoomed out. Zooming in fairly close on the large map shows a
decrease in GTT use and fps increases.
Kernel is linux-3.19.0-rc3
Running git versions of the following packages (updated Jan 08):
libdrm 566c3ce877a4be72697e15cdfc421ce965f7c37d
llvm c41acffe2297585ad56aa772de75e82c132070bb
xf86-video-ati 04da199231bb3f11cf17f94574a8df05855a7b82
mesa 3d8188d4f898afcf4f181de29e12c5b218bbd393
dmesg shows two errors:
[ 5665.586842] [drm:radeon_cs_ioctl [radeon]] *ERROR* Failed to parse
relocation -12!
[ 5750.747498] [drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA
(-512)
R600_DEBUG=cs shows:
radeon: The kernel rejected CS, see dmesg for more information.
R600_DEBUG=nodma seemed to have no effect.
Logs and gallium hud screenshots attached. Just picked up this game, so not
sure if there is a regression involved. Will try some older kernels and mesa.
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