Deepak Nibade 35fabed1e8 gpu: nvgpu: execute gr_init_prepare_hw() for each instance ...

Rename gr_init_reset_enable_hw() to gr_init_prepare_hw() since this
function does not actually do reset, but just prepares the HW
after reset for other SW/HW initialization.

Add a new function gr_init_prepare_hw_impl() that executes per-instance
sequence to prepare GR hardware. Execute this inside
nvgpu_gr_exec_with_ret_for_each_instance().

Note that enabling GR engine interrupts in MC is still expected to
be done in one shot hence keep that code outside of
gr_init_prepare_hw_impl()

Remove redundant calls to gops.gr.init.fifo_access() and
enable_gr_interrupts() from gr_init_setup_hw().
gr_init_prepare_hw() does this already and executes before
gr_init_setup_hw()

Jira NVGPU-5648

Change-Id: If0b7207f80c2fb00d894afebce04b06b7b61d432
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2405408
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Lakshmanan M <lm@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

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

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