drm/amdgpu: switch kzalloc to kvzalloc in amdgpu_bo_create

It will cause error when alloc memory larger than 128KB in
amdgpu_bo_create->kzalloc. So it needs to switch kzalloc to kvzalloc.

Call Trace:
   alloc_pages_current+0x6a/0xe0
   kmalloc_order+0x32/0xb0
   kmalloc_order_trace+0x1e/0x80
   __kmalloc+0x249/0x2d0
   amdgpu_bo_create+0x102/0x500 [amdgpu]
   ? xas_create+0x264/0x3e0
   amdgpu_bo_create_vm+0x32/0x60 [amdgpu]
   amdgpu_vm_pt_create+0xf5/0x260 [amdgpu]
   amdgpu_vm_init+0x1fd/0x4d0 [amdgpu]

Signed-off-by: Changfeng <Changfeng.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index a6fa396..1641780 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -76,7 +76,7 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
                kfree(ubo->metadata);
        }
 
-       kfree(bo);
+       kvfree(bo);
 }
 
 /**
@@ -541,7 +541,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
        BUG_ON(bp->bo_ptr_size < sizeof(struct amdgpu_bo));
 
        *bo_ptr = NULL;
-       bo = kzalloc(bp->bo_ptr_size, GFP_KERNEL);
+       bo = kvzalloc(bp->bo_ptr_size, GFP_KERNEL);
        if (bo == NULL)
                return -ENOMEM;
        drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size);