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

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index bf69bf9..8032da5 100644 (file)
--- 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, &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,