On 12/07/2016 07:57 PM, Alexandre Courbot wrote: > On Wed, Dec 7, 2016 at 6:53 PM, Michel Dänzer <mic...@daenzer.net> wrote: >> On 07/12/16 06:39 PM, Alexandre Courbot wrote: >>> On Fri, Dec 2, 2016 at 12:23 PM, Ilia Mirkin <imir...@alum.mit.edu> wrote: >>>> That's right -- nouveau currently requires 4k page sizes to work. This is a >>>> software limitation, not a hardware one though. >>> >>> Looking at the trace I wonder - is the limitation in Nouveau or in TTM? >> >> Nouveau. Non-4K page sizes work fine with radeon (and presumably amdgpu). > > Thanks for the precision. I will check if Tegra iGPUs are also > affected by this - if they are then it gives me a good excuse to take > care of this bug. I *should* have this fixed with a large chunk of MMU work I have pending (I had to drop it temporarily to work on atomic/mst support, but it'll be picked up, rebased, and finished in the near future). I haven't actually tested on 64KiB pages yet, but, I plan to before releasing it.
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