https://bugs.freedesktop.org/show_bug.cgi?id=88227
Michel Dänzer changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://bugs.freedesktop.org/show_bug.cgi?id=88227
--- Comment #11 from James Harvey ---
Hello Marek,
My memory info:
[1.879493] [drm] radeon: 2048M of VRAM memory ready
[1.879494] [drm] radeon: 2048M of GTT memory ready.
I also have 8gb of system memory. I patched radeon_drm_winsys.c a
https://bugs.freedesktop.org/show_bug.cgi?id=88227
--- Comment #10 from Marek Olšák ---
James, can you increase the size of cache manually and see what works better?
There is only one formula in radeon_drm_winsys.c:676, so it should be trivial.
Also please how much VRAM and GTT do you have?
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https://bugs.freedesktop.org/show_bug.cgi?id=88227
--- Comment #9 from James Harvey ---
Reverting the above commit against mesa git master did not solve the problem.
Performed another bisection and got result:
commit b419c651fbbf3660d7b53623dfa2e5a4c9bd3b98
Author: Marek Olšák
Date: Wed Aug
https://bugs.freedesktop.org/show_bug.cgi?id=88227
--- Comment #8 from James Harvey ---
Created attachment 112085
--> https://bugs.freedesktop.org/attachment.cgi?id=112085&action=edit
large map prior to commit 150ac07b
Bisect complete:
150ac07b855b5c5f879bf6ce9ca421ccd1a6c938 is the first bad
https://bugs.freedesktop.org/show_bug.cgi?id=88227
--- Comment #7 from James Harvey ---
Further testing shows large fps drops from 60 to ~0 whenever used GTT exceeds
550mb. Tested kernels going back to 3.10.63 with no improvement.
Installed kernel 3.19.0-rc3 and llvm-3.4.2 to test mesa releases
https://bugs.freedesktop.org/show_bug.cgi?id=88227
--- Comment #6 from James Harvey ---
Unfortunately, it did not help.
Seems like the fps drops occurs whenever the requested GTT gets above
about 515-520mb or so.
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--- Comment #5 from Michel Dänzer ---
Does radeon.gartsize=2048 on the kernel command line help?
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Michel Dänzer changed:
What|Removed |Added
Attachment #111996|text/plain |image/png
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--- Comment #4 from James Harvey ---
Created attachment 111996
--> https://bugs.freedesktop.org/attachment.cgi?id=111996&action=edit
Gallium hud on large map
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--- Comment #3 from James Harvey ---
Created attachment 111995
--> https://bugs.freedesktop.org/attachment.cgi?id=111995&action=edit
Gallium hud on small map
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--- Comment #2 from James Harvey ---
Created attachment 111994
--> https://bugs.freedesktop.org/attachment.cgi?id=111994&action=edit
Game log with R600_DEBUG=cs
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--- Comment #1 from James Harvey ---
Created attachment 111993
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xorg.log
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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
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