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Commit f7871fd1 authored by Tom St Denis's avatar Tom St Denis Committed by Alex Deucher
Browse files

drm/radeon: use new TTM populate/dma map helper functions 



Signed-off-by: default avatarTom St Denis <tom.stdenis@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 7405e0da

drivers/gpu/drm/radeon/radeon_ttm.c

+2 −31
Original line number Diff line number Diff line
@@ -725,8 +725,6 @@ static int radeon_ttm_tt_populate(struct ttm_tt *ttm) 
{

	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);

	struct radeon_device *rdev;

	unsigned i;

	int r;

	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);



	if (ttm->state != tt_unpopulated)
@@ -762,33 +760,13 @@ static int radeon_ttm_tt_populate(struct ttm_tt *ttm) 
	}

#endif



	r = ttm_pool_populate(ttm);

	if (r) {

		return r;

	}



	for (i = 0; i < ttm->num_pages; i++) {

		gtt->ttm.dma_address[i] = pci_map_page(rdev->pdev, ttm->pages[i],

						       0, PAGE_SIZE,

						       PCI_DMA_BIDIRECTIONAL);

		if (pci_dma_mapping_error(rdev->pdev, gtt->ttm.dma_address[i])) {

			while (i--) {

				pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i],

					       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);

				gtt->ttm.dma_address[i] = 0;

			}

			ttm_pool_unpopulate(ttm);

			return -EFAULT;

		}

	}

	return 0;

	return ttm_populate_and_map_pages(rdev->dev, &gtt->ttm);

}



static void radeon_ttm_tt_unpopulate(struct ttm_tt *ttm)

{

	struct radeon_device *rdev;

	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);

	unsigned i;

	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);



	if (gtt && gtt->userptr) {
@@ -815,14 +793,7 @@ static void radeon_ttm_tt_unpopulate(struct ttm_tt *ttm) 
	}

#endif



	for (i = 0; i < ttm->num_pages; i++) {

		if (gtt->ttm.dma_address[i]) {

			pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i],

				       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);

		}

	}



	ttm_pool_unpopulate(ttm);

	ttm_unmap_and_unpopulate_pages(rdev->dev, &gtt->ttm);

}



int radeon_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,