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Revert "BACKPORT: FROMLIST: dma-heap: Let dma heap use dma_map_attrs to map & unmap iova"

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This reverts commit 21455112cc.

Change-Id: I29890db7062c3062900d13b33d8fb9b23149cb04
This commit is contained in:
T.J. Mercier
2022-10-31 20:43:15 +00:00
parent 253c4832d2
commit 611d05202d
2 changed files with 6 additions and 8 deletions
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drivers/dma-buf/heaps/cma_heap.c
+2 -4
View File
@@ -99,10 +99,9 @@ static struct sg_table *cma_heap_map_dma_buf(struct dma_buf_attachment *attachme
{
struct dma_heap_attachment *a = attachment->priv;
struct sg_table *table = &a->table;
int attrs = attachment->dma_map_attrs;
int ret;
ret = dma_map_sgtable(attachment->dev, table, direction, attrs);
ret = dma_map_sgtable(attachment->dev, table, direction, 0);
if (ret)
return ERR_PTR(-ENOMEM);
a->mapped = true;
@@ -114,10 +113,9 @@ static void cma_heap_unmap_dma_buf(struct dma_buf_attachment *attachment,
enum dma_data_direction direction)
{
struct dma_heap_attachment *a = attachment->priv;
int attrs = attachment->dma_map_attrs;
a->mapped = false;
dma_unmap_sgtable(attachment->dev, table, direction, attrs);
dma_unmap_sgtable(attachment->dev, table, direction, 0);
}
static int cma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
drivers/dma-buf/heaps/system_heap.c
+4 -4
View File
@@ -136,11 +136,11 @@ static struct sg_table *system_heap_map_dma_buf(struct dma_buf_attachment *attac
{
struct dma_heap_attachment *a = attachment->priv;
struct sg_table *table = a->table;
int attr = attachment->dma_map_attrs;
int attr = 0;
int ret;
if (a->uncached)
attr |= DMA_ATTR_SKIP_CPU_SYNC;
attr = DMA_ATTR_SKIP_CPU_SYNC;
ret = dma_map_sgtable(attachment->dev, table, direction, attr);
if (ret)
@@ -155,10 +155,10 @@ static void system_heap_unmap_dma_buf(struct dma_buf_attachment *attachment,
enum dma_data_direction direction)
{
struct dma_heap_attachment *a = attachment->priv;
int attr = attachment->dma_map_attrs;
int attr = 0;
if (a->uncached)
attr |= DMA_ATTR_SKIP_CPU_SYNC;
attr = DMA_ATTR_SKIP_CPU_SYNC;
a->mapped = false;
dma_unmap_sgtable(attachment->dev, table, direction, attr);
}