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From ca95261325cfdff85eb2c9107198c714e266cb5b Mon Sep 17 00:00:00 2001
From: "monk.liu" <monk.liu@amd.com>
Date: Mon, 25 May 2015 14:44:05 +0800
Subject: [PATCH 0227/1050] drm/amdgpu: fix bug of vm_bo_map (v2)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
call reservation_object_reserve_shared before amdgpu_bo_fence
Signed-off-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <jammy.zhou@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index b25e533..cc6dca2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -315,6 +315,10 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
if (r)
return r;
+ r = reservation_object_reserve_shared(bo->tbo.resv);
+ if (r)
+ return r;
+
r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false);
if (r)
goto error_unreserve;
--
1.9.1
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