Bug 99459 - Performace drop on AMD TONGA(380x) on kernels 4.9 and 4.10RC3
Summary: Performace drop on AMD TONGA(380x) on kernels 4.9 and 4.10RC3
Status: RESOLVED MOVED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/AMDgpu (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: medium major
Assignee: Default DRI bug account
QA Contact:
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Reported: 2017-01-19 12:58 UTC by Miguel Granda Martínez
Modified: 2019-11-19 08:12 UTC (History)
0 users

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i915 platform:
i915 features:

Attachments
Performance drop (15.85 MB, image/png)
2017-01-19 12:58 UTC, Miguel Granda Martínez 		no flags Details
dmesg (63.65 KB, text/plain)
2017-01-20 13:59 UTC, Miguel Granda Martínez 		no flags Details
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Description Miguel Granda Martínez 2017-01-19 12:58:57 UTC 
Created attachment 129046 [details]
Performance drop

Performance drop beyond kernel 4.8 on games like alien isolation(heavy fps drop), pillars of eternity or tomb raider due to higher cpu usage. GPU AMD TONGA, latest mesa-git, xorg 1.19.1.
Comment 1 Michel Dänzer 2017-01-20 00:30:13 UTC 
Can you bisect?
Comment 2 Christian König 2017-01-20 08:51:21 UTC 
Could be the same problem I've fixed with http://www.spinics.net/lists/dri-devel/msg129439.html.
Comment 3 Alex Deucher 2017-01-20 13:47:42 UTC 
Can you attach your dmesg output?  Please make sure you you have the latest firmware.  Might be the same issue as:
https://bugzilla.kernel.org/show_bug.cgi?id=192921
Comment 4 Miguel Granda Martínez 2017-01-20 13:59:05 UTC 
Created attachment 129072 [details]
dmesg

dmesg output
Comment 5 Martin Peres 2019-11-19 08:12:49 UTC 
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