Use FENCE_OWNER_KFD to synchronize PT/PD initialization and clearing
of page table entries. This avoids triggering KFD eviction fences on
the PD reservation objects of compute VMs.
Signed-off-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index ed1ca1d..d7db11d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -826,7 +826,7 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
WARN_ON(job->ibs[0].length_dw > 64);
r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.resv,
- AMDGPU_FENCE_OWNER_UNDEFINED, false);
+ AMDGPU_FENCE_OWNER_KFD, false);
if (r)
goto error_free;
@@ -1746,9 +1746,9 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
params.adev = adev;
params.vm = vm;
- /* sync to everything on unmapping */
+ /* sync to everything except eviction fences on unmapping */
if (!(flags & AMDGPU_PTE_VALID))
- owner = AMDGPU_FENCE_OWNER_UNDEFINED;
+ owner = AMDGPU_FENCE_OWNER_KFD;
if (vm->use_cpu_for_update) {
/* params.src is used as flag to indicate system Memory */
--
2.7.4
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