Am 15.03.2017 um 08:30 schrieb Huang Rui: > The clearing wb size should be the one that it is assigned. > > Signed-off-by: Huang Rui <ray.huang at amd.com> Reviewed-by: Christian König <christian.koenig at amd.com> > --- > 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;