TTM tries to allocate coherent memory in chunks of 2MB first to improve
TLB efficiency and falls back to allocating 4K pages if that fails.

Suppress the warning when the 2MB allocations fails since there is a
valid fall back path.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Reported-by: NMike Galbraith <efault@gmx.de>
Acked-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=104082
CC: stable@vger.kernel.org
Signed-off-by: NChristoph Hellwig <hch@lst.de>