The changes to fix those are two invasive for backporting.

Just disable the feature in 4.20 and 5.0.

Signed-off-by: Christian König <[email protected]>
Cc: <[email protected]>    [4.20+]
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 0877ff9a9594..c3643dde3e9d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -637,12 +637,14 @@ void amdgpu_vm_move_to_lru_tail(struct amdgpu_device 
*adev,
        struct ttm_bo_global *glob = adev->mman.bdev.glob;
        struct amdgpu_vm_bo_base *bo_base;
 
+#if 0
        if (vm->bulk_moveable) {
                spin_lock(&glob->lru_lock);
                ttm_bo_bulk_move_lru_tail(&vm->lru_bulk_move);
                spin_unlock(&glob->lru_lock);
                return;
        }
+#endif
 
        memset(&vm->lru_bulk_move, 0, sizeof(vm->lru_bulk_move));
 
-- 
2.14.1

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