Deepak Nibade 1c7dcfdeef gpu: nvgpu: use TSG recover API ...

Use TSG specific API gk20a_fifo_recover_tsg() in following cases :
- IOCTL_CHANNEL_FORCE_RESET
  to force reset a channel in TSG, reset all the channels
- handle pbdma intr
  while resetting in case of pbdma intr, if channel is part of
  TSG, recover entire TSG
- TSG preempt failure
  when TSG preempt times out, use TSG recover API

Use preempt_tsg() API to preempt if channel is part of TSG

Add below two generic APIs which will take care of preempting/
recovering either of channel or TSG as required
gk20a_fifo_preempt()
gk20a_fifo_force_reset_ch()

Bug 1470692

Change-Id: I8d46e252af79136be85a9a2accf8b51bd924ca8c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/497875
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

2015-03-18 12:11:17 -07:00

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