diff options
| author | changzhu <[email protected]> | 2019-11-19 10:18:39 +0800 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2019-11-22 14:55:19 -0500 |
| commit | 6c2c8972374ac5c35078d36d7559f64c368f7b33 (patch) | |
| tree | 9e7c8e146dcc8da7a8431969611cdb151ea2267b /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | 1b34de7c3fef0c7ebb3d05acc1756bfb585279ca (diff) | |
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