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...sticks certain things into > vram (gpuobj's), but it should be feasible to make them optionally use > GART memory when VRAM is not available. I haven't really looked at the > details though, perhaps that's a major undertaking. > > -ilia > If it's similar to the Tegar114 there actually is memory that isn't accessible from the CPU. About 2GB of the address space is overlaid with MMIO for the devices, so in a 4GB system you potentially have 2GB of RAM that's only visible for the devices. But yes in general nouveau should just fall back to a GART placement if...

...>> vram (gpuobj's), but it should be feasible to make them optionally use >> GART memory when VRAM is not available. I haven't really looked at the >> details though, perhaps that's a major undertaking. >> >> -ilia >> > If it's similar to the Tegar114 there actually is memory that isn't > accessible from the CPU. About 2GB of the address space is overlaid with > MMIO for the devices, so in a 4GB system you potentially have 2GB of RAM > that's only visible for the devices. > > But yes in general nouveau should just fall bac...

Am Samstag, den 01.02.2014, 12:16 +0900 schrieb Alexandre Courbot: > Add a clumsy-but-working FB support for GK20A. This chip only uses system > memory, so we allocate a big chunk using CMA and let the existing memory > managers work on it. > > A better future design would be to allocate objects directly from system > memory without having to suffer from the limitations of a