From: Chunming Zhou <david1.zhou@amd.com>
Date: Wed, 18 Apr 2018 18:35:09 +0800
Subject: drm/amdgpu: fix list not initialized
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Git-commit: 7fd645f258711a4ea4d777188949494f9e68b787
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Otherwise, cpu stuck for 22s with kernel panic.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1568,10 +1568,9 @@ int amdgpu_vm_bo_update(struct amdgpu_de
 		 * the evicted list so that it gets validated again on the
 		 * next command submission.
 		 */
+		list_del_init(&bo_va->base.vm_status);
 		if (!(bo->preferred_domains & amdgpu_mem_type_to_domain(mem_type)))
 			list_add_tail(&bo_va->base.vm_status, &vm->evicted);
-		else
-			list_del_init(&bo_va->base.vm_status);
 	} else {
 		list_del_init(&bo_va->base.vm_status);
 	}