diff options
| -rw-r--r-- | drivers/gpu/drm/drm_gpusvm.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_gpusvm.c b/drivers/gpu/drm/drm_gpusvm.c index 49f64d26625d..b2920b8551f5 100644 --- a/drivers/gpu/drm/drm_gpusvm.c +++ b/drivers/gpu/drm/drm_gpusvm.c @@ -1224,6 +1224,8 @@ int drm_gpusvm_range_get_pages(struct drm_gpusvm *gpusvm, struct dev_pagemap *pagemap; struct drm_pagemap *dpagemap; struct drm_gpusvm_range_flags flags; + enum dma_data_direction dma_dir = ctx->read_only ? DMA_TO_DEVICE : + DMA_BIDIRECTIONAL; retry: hmm_range.notifier_seq = mmu_interval_read_begin(notifier); @@ -1329,7 +1331,7 @@ map_pages: dpagemap->ops->device_map(dpagemap, gpusvm->drm->dev, page, order, - DMA_BIDIRECTIONAL); + dma_dir); if (dma_mapping_error(gpusvm->drm->dev, range->dma_addr[j].addr)) { err = -EFAULT; @@ -1351,7 +1353,7 @@ map_pages: addr = dma_map_page(gpusvm->drm->dev, page, 0, PAGE_SIZE << order, - DMA_BIDIRECTIONAL); + dma_dir); if (dma_mapping_error(gpusvm->drm->dev, addr)) { err = -EFAULT; goto err_unmap; @@ -1359,7 +1361,7 @@ map_pages: range->dma_addr[j] = drm_pagemap_addr_encode (addr, DRM_INTERCONNECT_SYSTEM, order, - DMA_BIDIRECTIONAL); + dma_dir); } i += 1 << order; num_dma_mapped = i; |