Eric Anholt <e...@anholt.net> writes: > Until now, we've had to limit Raspberry Pi to 256MB of CMA memory to > keep from triggering the hardware addressing bug between of the tile > binner of the tile alloc memory (where the top 4 bits come from the > tile state data array's address). > > To work around that and allow more memory to be reserved for graphics, > allocate a single BO to store tile state data arrays and tile > alloc/overflow memory while the GPU is active, and make sure that that > one BO doesn't happen to cross a 256MB boundary. With that in place, > we can allocate textures and shaders anywhere in system memory (still > contiguous, of course).
Ping for reviewers on this one -- it's a pretty big usability win.
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