diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index d349078123bd..a405b75a90d9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1340,6 +1340,7 @@ nouveau_ttm_tt_populate(struct ttm_tt *ttm) struct nouveau_drm *drm; struct nouveau_device *device; struct drm_device *dev; + struct device *pdev; unsigned i; int r; bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG); @@ -1358,6 +1359,7 @@ nouveau_ttm_tt_populate(struct ttm_tt *ttm) drm = nouveau_bdev(ttm->bdev); device = nv_device(drm->device); dev = drm->dev; + pdev = nv_device_base(device); #if __OS_HAS_AGP if (drm->agp.stat == ENABLED) { @@ -1377,17 +1379,22 @@ nouveau_ttm_tt_populate(struct ttm_tt *ttm) } for (i = 0; i < ttm->num_pages; i++) { - ttm_dma->dma_address[i] = nv_device_map_page(device, - ttm->pages[i]); - if (!ttm_dma->dma_address[i]) { + dma_addr_t addr; + + addr = dma_map_page(pdev, ttm->pages[i], 0, PAGE_SIZE, + DMA_BIDIRECTIONAL); + + if (dma_mapping_error(pdev, addr)) { while (--i) { - nv_device_unmap_page(device, - ttm_dma->dma_address[i]); + dma_unmap_page(pdev, ttm_dma->dma_address[i], + PAGE_SIZE, DMA_BIDIRECTIONAL); ttm_dma->dma_address[i] = 0; } ttm_pool_unpopulate(ttm); return -EFAULT; } + + ttm_dma->dma_address[i] = addr; } return 0; } @@ -1399,6 +1406,7 @@ nouveau_ttm_tt_unpopulate(struct ttm_tt *ttm) struct nouveau_drm *drm; struct nouveau_device *device; struct drm_device *dev; + struct device *pdev; unsigned i; bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG); @@ -1408,6 +1416,7 @@ nouveau_ttm_tt_unpopulate(struct ttm_tt *ttm) drm = nouveau_bdev(ttm->bdev); device = nv_device(drm->device); dev = drm->dev; + pdev = nv_device_base(device); #if __OS_HAS_AGP if (drm->agp.stat == ENABLED) { @@ -1425,7 +1434,8 @@ nouveau_ttm_tt_unpopulate(struct ttm_tt *ttm) for (i = 0; i < ttm->num_pages; i++) { if (ttm_dma->dma_address[i]) { - nv_device_unmap_page(device, ttm_dma->dma_address[i]); + dma_unmap_page(pdev, ttm_dma->dma_address[i], PAGE_SIZE, + DMA_BIDIRECTIONAL); } } |