From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 103100] Performance regression with various games in drm-next-amd-staging Kernel
Date: Wed, 22 Nov 2017 10:40:11 +0000 [thread overview]
Message-ID: <bug-103100-502-64tdhu91cz@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-103100-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=103100
Michel Dänzer <michel@daenzer.net> changed:
What |Removed |Added
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CC| |ckoenig.leichtzumerken@gmai
| |l.com
--- Comment #4 from Michel Dänzer <michel@daenzer.net> ---
One possible issue with per-VM BOs is that the kernel driver can no longer
migrate BOs to more optimal placement for a command stream, because it doesn't
know which BOs are used by the command stream. So if e.g. a per-VM BO is
evicted from VRAM, e.g. due to CPU access to it, it will normally never move
back to VRAM.
Christian, might it be possible to e.g. maintain a list of per-VM BOs which
were evicted from VRAM, and try to move them back to VRAM as part of the
existing mechanism for this (for "normal" BOs)?
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next prev parent reply other threads:[~2017-11-22 10:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-04 16:38 [Bug 103100] Image corruptions, instability and performance regression in drm-next-wip Kernel bugzilla-daemon
2017-10-12 6:52 ` bugzilla-daemon
2017-10-15 18:57 ` bugzilla-daemon
2017-11-21 20:35 ` [Bug 103100] Performance regression with various games in drm-next-amd-staging Kernel bugzilla-daemon
2017-11-22 10:40 ` bugzilla-daemon [this message]
2017-11-22 11:42 ` bugzilla-daemon
2017-11-22 11:56 ` bugzilla-daemon
2017-11-22 20:58 ` bugzilla-daemon
2017-11-22 20:59 ` bugzilla-daemon
2017-11-22 21:02 ` bugzilla-daemon
2017-12-02 19:32 ` bugzilla-daemon
2017-12-12 13:02 ` bugzilla-daemon
2017-12-12 19:51 ` bugzilla-daemon
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