dt 639ca4edfb gpu: nvgpu: mig: Defer dev_nodes creation and create new power node to support MIG ...

- This is deferring the dev_nodes creation after power_on to
select the MIG config and to create the dev_nodes as per the
selected MIG config.

- The patch is adding a device node to issue power on. The
nodes are:
 for igpu :/dev/nvgpu/igpu0/power
 for dgpu:/dev/nvgpu/dgpu-0001:01:00.0/power

To issue power on :
echo "1" > /dev/nvgpu/igpu0/power
echo "1" > /dev/nvgpu/dgpu-0001:01:00.0/power

JIRA NVGPU-6633

Change-Id: Ic4f1f3e42724cc788dcfaf0e881d188fd3bd1ce1
Signed-off-by: dt <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2512647
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>

2021-04-21 10:15:20 -07:00

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