Konsta Holtta abec0ddc19 gpu: nvgpu: use mem_desc for semaphores ...

Replace manual buffer allocation and cpu_va pointer accesses with
gk20a_gmmu_{alloc,free}() and gk20a_mem_{rd,wr}() using a struct
mem_desc in gk20a_semaphore_pool, for buffer aperture flexibility.

JIRA DNVGPU-23

Change-Id: I394c38f407a9da02480bfd35062a892eec242ea3
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1146684
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

2016-05-18 11:55:11 -07:00

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