[Bug 86891] AMD/ATI Tahiti XT 7970 - long lags/stutters in games

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Thu Oct 30 20:28:56 PDT 2014


https://bugzilla.kernel.org/show_bug.cgi?id=86891

--- Comment #17 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Michael Mair-Keimberger from comment #14)
> Honestly, the difference is incredible. Can't believe such a small change
> has such a big impact.

Yeah, it's really weird. Looking at the change, the only way I could imagine it
possibly having any negative impact would be if it somehow caused the indirect
register access method to be used even when it's not necessary. But not sure
how that could happen.


(In reply to Michael Mair-Keimberger from comment #15)
> Unfortunately vally doesn't include GALLIUM_HUD when i'm taking
> screenshot's. As a workaround i've made photos with my mobile. Hope that's
> ok :)

That's fine, but we also need to see the VRAM and GTT graphs.

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