Hi Gerd, Thanks for reviewing!
On Montag, 13. Januar 2020 10:56:36 CET Gerd Hoffmann wrote: > Hi, > > > This also means that we cannot have unspec for planes layout. Device > > either > > expects planes in separate buffers or in one buffer with some offsets, > > there cannot be mixed cases. > > Hmm. Is it useful to support both? Or maybe support the "one buffer + > offsets" case only? Splitting one buffer into multiple smaller ones > internally if needed shouldn't be a problem, and it would simplify the > interface a bit ... > Ok, let's consider the following case: - the device expects planes in separate buffers. - say, Android on the guest side also imports planes in separate buffers into the driver. - but he driver only supports one buffer + offsets. Do you mean the driver then can join the underlying page lists and set offsets then? Yes, this would probably make sense. Regards, Dmitry. > cheers, > Gerd
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