Terje Bergstrom 9e283f9f40 gpu: nvgpu: Add tracking of dma_buf_attachment ...

VM and CDE code assumes that dma_buf_attachment is stored as a pointer
in the private dma_buf_drvdata, so it is not tracked. In Linux trees
without dma_buf_*_drvdata() support this is not true, so change the
code to explicitly track dma_buf_attachment.

JIRA NVGPU-4

Change-Id: I692f05a19a6469195d5444a7e5ff6e92f77ae272
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1648004
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2018-02-01 13:54:08 -08:00

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