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-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 320124352e82..da735cda2882 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -851,6 +851,11 @@ static int s5p_mfc_open(struct file *file)
ret = -ENOENT;
goto err_queue_init;
}
+ /*
+ * We'll do mostly sequential access, so sacrifice TLB efficiency for
+ * faster allocation.
+ */
+ q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
ret = vb2_queue_init(q);
@@ -881,6 +886,12 @@ static int s5p_mfc_open(struct file *file)
* will keep the value of bytesused intact.
*/
q->allow_zero_bytesused = 1;
+
+ /*
+ * We'll do mostly sequential access, so sacrifice TLB efficiency for
+ * faster allocation.
+ */
+ q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
ret = vb2_queue_init(q);