[Nouveau] 4.9-rc7 nouveau fails on arm64 64k page kernel but works with 4k

Alexandre Courbot gnurou at gmail.com
Wed Dec 7 01:57:14 PST 2016


On Wed, Dec 7, 2016 at 6:53 PM, Michel Dänzer <michel at daenzer.net> wrote:
> On 07/12/16 06:39 PM, Alexandre Courbot wrote:
>> On Fri, Dec 2, 2016 at 12:23 PM, Ilia Mirkin <imirkin at 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.



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