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| author | seshendra Gadagottu <sgadagottu@nvidia.com> | 2017-06-20 13:21:27 -0400 |
|---|---|---|
| committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-06-20 19:24:09 -0400 |
| commit | 7437fefa9016ab8904c79f521276f5c41e40c449 (patch) | |
| tree | 1e88441a294d89c8d33d2e90332d6e0a52248586 /drivers/gpu/nvgpu/gk20a/hal.h | |
| parent | 72726c70b8839fbaf6374b4daa9799501b6b6c50 (diff) | |
gpu: nvgpu: check for valid channel ctx before preempt
Always check for valid channel gr_ctx before issuing channel
preempt. Commands like "echo > /dev/nvhost-gpu" create channel
to just power-up gpu without any valid channel context. So
don't try to preempt those channels.
Bug 1937331
Change-Id: I48a4bfd35728b83b27eb968e51a56b900d1fa799
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1505783
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/hal.h')
0 files changed, 0 insertions, 0 deletions