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authorChristian König <christian.koenig@amd.com>2024-08-21 13:55:41 +0200
committerAlex Deucher <alexander.deucher@amd.com>2024-09-25 12:55:44 -0400
commit126be9b2bef9c7068fdd464790d82e6d70f9d8e6 (patch)
treebec6389afde2af3dfe1237aa1079582fdddf79d8 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
parent4771d2ecb7b9e4c2c73ede2908d7e7c989460981 (diff)
drm/amdgpu: sync to KFD fences before clearing PTEs
This patch tries to solve the basic problem we also need to sync to the KFD fences of the BO because otherwise it can be that we clear PTEs while the KFD queues are still running. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 985b89242b44..6005280f5f38 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1169,6 +1169,12 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va,
AMDGPU_SYNC_EQ_OWNER, vm);
if (r)
goto error_free;
+ if (bo) {
+ r = amdgpu_sync_kfd(&sync, bo->tbo.base.resv);
+ if (r)
+ goto error_free;
+ }
+
} else {
struct drm_gem_object *obj = &bo->tbo.base;