David Nieto 6dde9e67d9 gpu: nvgpu: allocate from coherent pool ...

Maps memory coherently on devices that are connected to a coherent bus.

(1) Add code to be able to get the platform device node.
(2) Create a new flag to mark if the device is connected to a coherent bus
(3) Map memory coherently on coherent devices.

bug 2040331

Change-Id: Ide83a9261acdbbc6e9fef4fc5f38d6f9d0e5ab5b
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1633985
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2018-01-08 14:38:06 -08:00

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