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gpu: nvgpu: handle MMU fault for TSG

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- add support to handle MMU faults on a channel in TSG
- first get the ID and type of channel that engine is running
- if TSG, abort each channel in it
- if regular channel, abort that channel

- also, add two versions of API set_ctx_mmu_error(), one for
  regular channel and another for TSG

Bug 1470692

Change-Id: Ia7b01b81739598459702ed172180adb00e345eba
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/497874
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Deepak Nibade
2014-09-17 12:38:34 +05:30
committed by Dan Willemsen
parent e4a7bc1602
commit 2f232348e6
2 changed files with 68 additions and 33 deletions
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2
drivers/gpu/nvgpu/gk20a/channel_gk20a.c
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@@ -585,7 +585,7 @@ void gk20a_set_error_notifier(struct channel_gk20a *ch, __u32 error)
ch->error_notifier->info32 = error;
ch->error_notifier->status = 0xffff;
gk20a_err(dev_from_gk20a(ch->g),
"error notifier set to %d\n", error);
"error notifier set to %d for ch %d\n", error, ch->hw_chid);
}
}