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| author | Seshendra Gadagottu <sgadagottu@nvidia.com> | 2016-01-28 13:54:32 -0500 |
|---|---|---|
| committer | Terje Bergstrom <tbergstrom@nvidia.com> | 2016-01-29 15:58:22 -0500 |
| commit | 9e02111a768ab631a6719c1eae8d7c03e6e89c23 (patch) | |
| tree | 7cb3fb7cd59ca679579e4e7b920f2764a7cb7a81 /drivers/gpu/nvgpu/vgpu/gk20a | |
| parent | 5cb995c7510e0290956a3aa221c6a77d4020b3ff (diff) | |
gpu: nvgpu: fix race condition with poweroff
When gpu rail-gating is enabled, it is possible that
both rail gating code and system shudown can start
executing gk20a_pm_prepare_poweroff() in parallel.
To synchronize this execution, protect gk20a_pm_prepare_poweroff()
with a mutex lock.
Bug 200168805
Change-Id: I19536a43ed20c3e82b32c316922dc3e19e3f59bb
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/999548
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/vgpu/gk20a')
0 files changed, 0 insertions, 0 deletions