[Nouveau] [Bug 92504] [NVA5] Corruption in Plasma 5 on resume after changing screen configuration

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92504

--- Comment #22 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Alexander Schlarb from comment #21)
> If I'm not mistaken this is just a workaround however, right? We still need
> to find out why "nvbo->bo.mem.mem_type == TTM_PL_TT"?

Not sure... Ben and I will talk about it. I wonder if it's OK to return VRAM |
GART here for the pre-nv30 cases.

> 
> BTW: Thanks for your explanations about the nouveau buf offset! After
> reading it a few times I'm now pretty sure I understand roughly what you are
> doing. :-)

No problem. Lots of tricky stuff going on. The GPU has a virtual memory space
of its own which further complicates (but also simplifies) things.

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