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drm/amdgpu: rework synchronization of VM updates v4

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If provided we only sync to the BOs reservation
object and no longer to the root PD.

v2: update comment, cleanup amdgpu_bo_sync_wait_resv
v3: use correct reservation object while clearing
v4: fix typo in amdgpu_bo_sync_wait_resv

Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2020-01-23 14:49:45 +01:00
committed by Alex Deucher
parent 4939d973b6
commit 9f3cc18d19
7 changed files with 70 additions and 65 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
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@@ -249,13 +249,6 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,
owner != AMDGPU_FENCE_OWNER_UNDEFINED)
continue;
/* VM updates only sync with moves but not with user
* command submissions or KFD evictions fences
*/
if (fence_owner != AMDGPU_FENCE_OWNER_UNDEFINED &&
owner == AMDGPU_FENCE_OWNER_VM)
continue;
/* Ignore fences depending on the sync mode */
switch (mode) {
case AMDGPU_SYNC_ALWAYS: