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path: root/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
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Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_mmu.c')
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_mmu.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
index 790cbb20aaeb..44fbc0a123bf 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
@@ -73,17 +73,17 @@ static int etnaviv_iommu_map(struct etnaviv_iommu_context *context, u32 iova,
struct sg_table *sgt, unsigned len, int prot)
{ struct scatterlist *sg;
unsigned int da = iova;
- unsigned int i, j;
+ unsigned int i;
int ret;
if (!context || !sgt)
return -EINVAL;
- for_each_sg(sgt->sgl, sg, sgt->nents, i) {
- u32 pa = sg_dma_address(sg) - sg->offset;
+ for_each_sgtable_dma_sg(sgt, sg, i) {
+ phys_addr_t pa = sg_dma_address(sg) - sg->offset;
size_t bytes = sg_dma_len(sg) + sg->offset;
- VERB("map[%d]: %08x %08x(%zx)", i, iova, pa, bytes);
+ VERB("map[%d]: %08x %pap(%zx)", i, iova, &pa, bytes);
ret = etnaviv_context_map(context, da, pa, bytes, prot);
if (ret)
@@ -95,14 +95,7 @@ static int etnaviv_iommu_map(struct etnaviv_iommu_context *context, u32 iova,
return 0;
fail:
- da = iova;
-
- for_each_sg(sgt->sgl, sg, i, j) {
- size_t bytes = sg_dma_len(sg) + sg->offset;
-
- etnaviv_context_unmap(context, da, bytes);
- da += bytes;
- }
+ etnaviv_context_unmap(context, iova, da - iova);
return ret;
}
@@ -113,7 +106,7 @@ static void etnaviv_iommu_unmap(struct etnaviv_iommu_context *context, u32 iova,
unsigned int da = iova;
int i;
- for_each_sg(sgt->sgl, sg, sgt->nents, i) {
+ for_each_sgtable_dma_sg(sgt, sg, i) {
size_t bytes = sg_dma_len(sg) + sg->offset;
etnaviv_context_unmap(context, da, bytes);