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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2010-12-02 11:36:24 -0500 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-02-18 17:27:49 -0500 |
| commit | e0138c26cdeee8c033256ccd9e07d66db3c998be (patch) | |
| tree | 2d354ce89abb54bf9ae36e6ca287e12d84c2ed5b /drivers/gpu/drm/nouveau/nouveau_mem.c | |
| parent | c39d35161e87f1d7c0628af6907ac66a8c77f63f (diff) | |
| download | talos-obmc-linux-e0138c26cdeee8c033256ccd9e07d66db3c998be.tar.gz talos-obmc-linux-e0138c26cdeee8c033256ccd9e07d66db3c998be.zip | |
nouveau/ttm/PCIe: Use dma_addr if TTM has set it.
If the TTM layer has used the DMA API to setup pages that are
TTM_PAGE_FLAG_DMA32 (look at patch titled: "ttm: Utilize the
DMA API for pages that have TTM_PAGE_FLAG_DMA32 set"), lets
use it when programming the GART in the PCIe type cards.
This patch skips doing the pci_map_page (and pci_unmap_page) if
there is a DMA addresses passed in for that page. If the dma_address
is zero (or DMA_ERROR_CODE), then we continue on with our old
behaviour.
[v2: Added a review-by tag]
Reviewed-by: Thomas Hellstrom <thomas@shipmail.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Ian Campbell <ian.campbell@citrix.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
0 files changed, 0 insertions, 0 deletions
