Merge tag 'drm-misc-next-2020-09-21' of git://anongit.freedesktop.org/drm/drm-misc...

[J-linux.git] / drivers / gpu / drm / tegra / gem.c

diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 47e2935b8c68131eead6e6df54d286d124c220fa..a2bac20ff19ddb73852f590b8605ff0514b84e8f 100644 (file)
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -98,8 +98,8 @@ static struct sg_table *tegra_bo_pin(struct device *dev, struct host1x_bo *bo,
                 * the SG table needs to be copied to avoid overwriting any
                 * other potential users of the original SG table.
                 */
-               err = sg_alloc_table_from_sg(sgt, obj->sgt->sgl, obj->sgt->nents,
-                                            GFP_KERNEL);
+               err = sg_alloc_table_from_sg(sgt, obj->sgt->sgl,
+                                            obj->sgt->orig_nents, GFP_KERNEL);
                if (err < 0)
                        goto free;
        } else {
@@ -196,8 +196,7 @@ static int tegra_bo_iommu_map(struct tegra_drm *tegra, struct tegra_bo *bo)
 
        bo->iova = bo->mm->start;
 
-       bo->size = iommu_map_sg(tegra->domain, bo->iova, bo->sgt->sgl,
-                               bo->sgt->nents, prot);
+       bo->size = iommu_map_sgtable(tegra->domain, bo->iova, bo->sgt, prot);
        if (!bo->size) {
                dev_err(tegra->drm->dev, "failed to map buffer\n");
                err = -ENOMEM;
@@ -264,8 +263,7 @@ free:
 static void tegra_bo_free(struct drm_device *drm, struct tegra_bo *bo)
 {
        if (bo->pages) {
-               dma_unmap_sg(drm->dev, bo->sgt->sgl, bo->sgt->nents,
-                            DMA_FROM_DEVICE);
+               dma_unmap_sgtable(drm->dev, bo->sgt, DMA_FROM_DEVICE, 0);
                drm_gem_put_pages(&bo->gem, bo->pages, true, true);
                sg_free_table(bo->sgt);
                kfree(bo->sgt);
@@ -290,12 +288,9 @@ static int tegra_bo_get_pages(struct drm_device *drm, struct tegra_bo *bo)
                goto put_pages;
        }
 
-       err = dma_map_sg(drm->dev, bo->sgt->sgl, bo->sgt->nents,
-                        DMA_FROM_DEVICE);
-       if (err == 0) {
-               err = -EFAULT;
+       err = dma_map_sgtable(drm->dev, bo->sgt, DMA_FROM_DEVICE, 0);
+       if (err)
                goto free_sgt;
-       }
 
        return 0;
 
@@ -571,7 +566,7 @@ tegra_gem_prime_map_dma_buf(struct dma_buf_attachment *attach,
                        goto free;
        }
 
-       if (dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir) == 0)
+       if (dma_map_sgtable(attach->dev, sgt, dir, 0))
                goto free;
 
        return sgt;
@@ -590,7 +585,7 @@ static void tegra_gem_prime_unmap_dma_buf(struct dma_buf_attachment *attach,
        struct tegra_bo *bo = to_tegra_bo(gem);
 
        if (bo->pages)
-               dma_unmap_sg(attach->dev, sgt->sgl, sgt->nents, dir);
+               dma_unmap_sgtable(attach->dev, sgt, dir, 0);
 
        sg_free_table(sgt);
        kfree(sgt);
@@ -609,8 +604,7 @@ static int tegra_gem_prime_begin_cpu_access(struct dma_buf *buf,
        struct drm_device *drm = gem->dev;
 
        if (bo->pages)
-               dma_sync_sg_for_cpu(drm->dev, bo->sgt->sgl, bo->sgt->nents,
-                                   DMA_FROM_DEVICE);
+               dma_sync_sgtable_for_cpu(drm->dev, bo->sgt, DMA_FROM_DEVICE);
 
        return 0;
 }
@@ -623,8 +617,7 @@ static int tegra_gem_prime_end_cpu_access(struct dma_buf *buf,
        struct drm_device *drm = gem->dev;
 
        if (bo->pages)
-               dma_sync_sg_for_device(drm->dev, bo->sgt->sgl, bo->sgt->nents,
-                                      DMA_TO_DEVICE);
+               dma_sync_sgtable_for_device(drm->dev, bo->sgt, DMA_TO_DEVICE);
 
        return 0;
 }