[Bug 97504] Enabling SDMA on CIK (0241d8300f66ee2c6c2c55fe64ac88d76440c591) causes corruption on a mobile Bonaire with AMDGPU DDX / video desktop recording

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97504

Kai <kai at dev.carbon-project.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |VERIFIED

--- Comment #8 from Kai <kai at dev.carbon-project.org> ---
(In reply to Michel Dänzer from comment #7)
> This issue wasn't limited to mobile Bonaire. One interesting hint from bug
> 97610 is that it works fine with the radeon kernel driver, so maybe it's
> related to addrlib or the amdgpu winsys.
> 
> Anyway, fixed for now in Git master. Note that you need to start X with the
> fixed Mesa, because it affects glamor as well.
> 
> Module: Mesa
> Branch: master
> Commit: 93f3d8e10d712336b86ebe17dafaee0aac7ec429
> URL: <http://cgit.freedesktop.org/mesa/mesa/commit/?id=93f3d8e10d712336b86ebe17dafaee0aac7ec429>
> 
> Author: Marek Olšák <marek.olsak at amd.com>
> Date:   Thu Sep  8 18:21:04 2016 +0200
> 
> Revert "radeonsi: enable SDMA on CIK"

I can confirm this fixes the corruption I've reported in bug 97610.

Since Marek mentioned in the commit message of the revert, that it's maybe some
tile configuration issue, I was wondering if Tom was correct in bug 97610,
comment #1? Should I do the test – obviously with the revert undone – with the
tiling configurations copied from radeon (bug 97610, comment #2)? Or is this
something else?

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