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<robmur01>
oh, I'd totally forgotten that that never progressed
<daniels>
me too, until I told someone bringing up a new SoC a couple of weeks ago that they just needed to add the DT compat and everything would just work flawlessly ootb o\
<robmur01>
although "proper NC" does make me suspicious that maybe it's just another case where the GPU is I/O coherent but Linux hasn't been told :/
<daniels>
hrm?
<robmur01>
the one that came up with one of the AmLogic SoCs a similarly long time ago...
<robmur01>
basically between Mali LPAE's no-outer-non-cacheable thing and some liberties that io-pgtable takes, a GPU can't reliably pretend to be non-coherent if it isn't.