On Mon, Nov 04, 2013 at 05:57:39AM -0800, Thomas Hellstrom wrote:
The code handles three different cases:
1) physical page addresses. The ttm page array is used.
2) DMA subsystem addresses. A scatter-gather list is used.
3) Coherent pages. The ttm dma pool is used, together with the dma_ttm
On Mon, Nov 04, 2013 at 05:57:39AM -0800, Thomas Hellstrom wrote:
The code handles three different cases:
1) physical page addresses. The ttm page array is used.
2) DMA subsystem addresses. A scatter-gather list is used.
3) Coherent pages. The ttm dma pool is used, together with the dma_ttm
On 11/04/2013 05:27 PM, Daniel Vetter wrote:
On Mon, Nov 04, 2013 at 05:57:39AM -0800, Thomas Hellstrom wrote:
The code handles three different cases:
1) physical page addresses. The ttm page array is used.
2) DMA subsystem addresses. A scatter-gather list is used.
3) Coherent pages. The ttm
On 11/04/2013 05:40 PM, Konrad Rzeszutek Wilk wrote:
On Mon, Nov 04, 2013 at 05:57:39AM -0800, Thomas Hellstrom wrote:
The code handles three different cases:
1) physical page addresses. The ttm page array is used.
2) DMA subsystem addresses. A scatter-gather list is used.
3) Coherent pages.