37 lines
1.4 KiB
Diff
37 lines
1.4 KiB
Diff
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From f2a9d492a55c3e762af0aced746613e36a2e3849 Mon Sep 17 00:00:00 2001
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From: Pavel Golikov <Paullo612@ya.ru>
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Date: Mon, 6 Jun 2022 18:00:28 +0300
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Subject: [PATCH 2/2] media: s5p-mfc: Allow cache hints for queues
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Passing V4L2_MEMORY_FLAG_NON_COHERENT from userspace significantly
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improves video rendering performance on Exynos 5422 (Odroid XU4).
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Signed-off-by: Pavel Golikov <Paullo612@ya.ru>
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---
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drivers/media/platform/s5p-mfc/s5p_mfc.c | 2 ++
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1 file changed, 2 insertions(+)
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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 f6732f031e96..bbfae7b00961 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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@@ -861,6 +861,7 @@ static int s5p_mfc_open(struct file *file)
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q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
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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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+ q->allow_cache_hints = 1;
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ret = vb2_queue_init(q);
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if (ret) {
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mfc_err("Failed to initialize videobuf2 queue(capture)\n");
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@@ -896,6 +897,7 @@ static int s5p_mfc_open(struct file *file)
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q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
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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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+ q->allow_cache_hints = 1;
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ret = vb2_queue_init(q);
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if (ret) {
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mfc_err("Failed to initialize videobuf2 queue(output)\n");
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--
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2.25.1
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