The clearing wb size should be the one that it is assigned.

Signed-off-by: Huang Rui <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index b0ac610..b0e0471 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -550,7 +550,7 @@ static int amdgpu_wb_init(struct amdgpu_device *adev)
        int r;
 
        if (adev->wb.wb_obj == NULL) {
-               r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * 4,
+               r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * 
sizeof(uint32_t),
                                            PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
                                            &adev->wb.wb_obj, 
&adev->wb.gpu_addr,
                                            (void **)&adev->wb.wb);
@@ -564,7 +564,7 @@ static int amdgpu_wb_init(struct amdgpu_device *adev)
                memset(&adev->wb.used, 0, sizeof(adev->wb.used));
 
                /* clear wb memory */
-               memset((char *)adev->wb.wb, 0, AMDGPU_GPU_PAGE_SIZE);
+               memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * 
sizeof(uint32_t));
        }
 
        return 0;
-- 
2.7.4

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