Divya d538737ba1 gpu: nvgpu: Add ELPG_MS protected call for L2 flush ...

- if L2 flush is done when ELPG_MS feature is engaged
  then it can cause some of the signals to go non-idle.
  This can cause idle snap in ELPG_MS.
- To avoid the idle snap, add elpg_ms protected call before
  L2 flush operation

Bug 200763448

Change-Id: I651875bc051c3b7d26d2bb0b593083512a5765b2
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2599459
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

2021-10-22 06:20:13 -07:00

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