Divya 44587840e2 gpu: nvgpu: Update the error code for tpc_pg_mask ...

- nvpmodel service used to expect a return value of -ENODEV from the
  underlying tpc_pg_mask_store() when the golden image size was
  initialized.
- With the current implementation, the return value is -EINVAL due to
  which write for new tpc_pg_mask was not successful.
- Update the return value to -EBUSY for the case where golden image
  is already initialized.

Bug 3765637

Change-Id: I5a1a38cce035ea245db5d72c9f5db210d3bb95f1
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2778855
(cherry picked from commit 1274f25dda)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2780005
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Yi-Wei Wang <yiweiw@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Tested-by: Yi-Wei Wang <yiweiw@nvidia.com>

2022-09-28 12:40:37 -07:00

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