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| author | changzhu <[email protected]> | 2019-11-19 02:18:39 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2019-11-22 19:55:19 +0000 |
| commit | 6c2c8972374ac5c35078d36d7559f64c368f7b33 (patch) | |
| tree | 9e7c8e146dcc8da7a8431969611cdb151ea2267b /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | drm/amd/amdgpu/sriov skip RLCG s/r list for arcturus VF. (diff) | |
| download | kernel-6c2c8972374ac5c35078d36d7559f64c368f7b33.tar.gz kernel-6c2c8972374ac5c35078d36d7559f64c368f7b33.zip | |
drm/amdgpu: initialize vm_inv_eng0_sem for gfxhub and mmhub
SW must acquire/release one of the vm_invalidate_eng*_sem around the
invalidation req/ack. Through this way,it can avoid losing invalidate
acknowledge state across power-gating off cycle.
To use vm_invalidate_eng*_sem, it needs to initialize
vm_invalidate_eng*_sem firstly.
Signed-off-by: changzhu <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions