Sagar Kamble 81b14ef5b1 gpu: nvgpu: fix dbg log and comment in nvgpu_vm_find_mapping ...

Following commit updated the debug message in the function
nvgpu_vm_find_mapping w.r.t reuse of mapping.

  commit 2f00d9adfc4fc91a6b84b14cc513f9b855d39cad
  Author: Sagar Kamble <skamble@nvidia.com>
  gpu: nvgpu: fix null pointer access in nvgpu_vm_find_mapping

That reuse log is about the mapping and not SGT. Fix the log
and add details about different handling of SGT for dmabuf
drvdata cases in the comment.

Bug 2834141

Change-Id: I3630de1c45a2bf55ff18bdb426f0597efe83f72c
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2328427
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

2020-12-15 14:13:28 -06:00

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