38 lines
1.5 KiB
Diff
38 lines
1.5 KiB
Diff
From 414eddd4e355e7e5d34260d085ed126e23088ed9 Mon Sep 17 00:00:00 2001
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From: memeka <mihailescu2m@gmail.com>
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Date: Mon, 30 Oct 2017 09:31:09 +1030
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Subject: [PATCH 07/75] ODROID-XU4: media: s5p-mfc: use cacheable DMA buffers
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to improve performance
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Change-Id: I2054a87278e545515be927ddcc52f52991224a6e
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Signed-off-by: memeka <mihailescu2m@gmail.com>
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---
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drivers/media/platform/s5p-mfc/s5p_mfc.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
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index eba2b9f040df..37f2113a00ec 100644
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--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
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+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
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@@ -858,7 +858,7 @@ static int s5p_mfc_open(struct file *file)
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* We'll do mostly sequential access, so sacrifice TLB efficiency for
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* faster allocation.
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*/
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- q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
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+ q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES | DMA_ATTR_NON_CONSISTENT | DMA_ATTR_NO_KERNEL_MAPPING;
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q->mem_ops = &vb2_dma_contig_memops;
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q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
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ret = vb2_queue_init(q);
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@@ -893,7 +893,7 @@ static int s5p_mfc_open(struct file *file)
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* We'll do mostly sequential access, so sacrifice TLB efficiency for
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* faster allocation.
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*/
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- q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
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+ q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES | DMA_ATTR_NON_CONSISTENT | DMA_ATTR_NO_KERNEL_MAPPING;
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q->mem_ops = &vb2_dma_contig_memops;
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q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
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ret = vb2_queue_init(q);
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--
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2.25.1
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