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x86: gart alloc_coherent does virtual mapppings only when necessary
authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Thu, 11 Sep 2008 14:08:48 +0000 (23:08 +0900)
committerIngo Molnar <mingo@elte.hu>
Sun, 14 Sep 2008 14:43:58 +0000 (16:43 +0200)
gart alloc_coherent need to do virtual mapppings only when an
allocated buffer is not DMA-capable for a device.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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