Alex Frid 5cd313e202 gpu: nvgpu: Update GM20b GPCPLL operations ...

Moved detection of idempotent GPCPLL operations from set_pll_freq()
function to its callers, e.g., explicitly check when enable operation
is called on already enabled PLL, instead of passing same frequency
to set_pll_freq() in such case. Similarly explicitly check when disable
operation is called on already disabled PLL.

Also moved check for GPU powered on from set_pll_freq() to callers,
and skip call to set interface if not.

Added last GPCPLL configuration structure updated after successful
completion of set_pll_freq() function.

Bug 1450787

Change-Id: I8c14b8cab2a8548e98c9b2d223c465c68fb87b61
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/488027
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>

2015-03-18 12:11:05 -07:00

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