From 078a8af6f60a8848598708b02e15ec59bb782674 Mon Sep 17 00:00:00 2001 From: Tom St Denis Date: Fri, 18 Aug 2017 10:06:34 -0400 Subject: [PATCH 0007/4131] drm/radeon: use new TTM populate/dma map helper functions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Tom St Denis Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_ttm.c | 33 ++------------------------------- 1 file changed, 2 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index bf69bf9..8032da5 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -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, >t->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, >t->ttm); } int radeon_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, -- 2.7.4