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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2016-05-24 10:16:07 +0300 |
|---|---|---|
| committer | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2016-06-03 12:13:11 +0300 |
| commit | 712b617e5e1a9084917c5f6ab1ccb1456b722f51 (patch) | |
| tree | 6cec8be14c8386b69df63ef45df25900bb59d1fa /drivers/media/platform/s5p-g2d | |
| parent | 3f03396918962b2f8b888d02b23cd1e0c88bf5e5 (diff) | |
| download | linux-712b617e5e1a9084917c5f6ab1ccb1456b722f51.tar.xz | |
media: set proper max seg size for devices on Exynos SoCs
All multimedia devices found on Exynos SoCs support only contiguous
buffers, so set DMA max segment size to DMA_BIT_MASK(32) to let memory
allocator to correctly create contiguous memory mappings.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Diffstat (limited to 'drivers/media/platform/s5p-g2d')
| -rw-r--r-- | drivers/media/platform/s5p-g2d/g2d.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c index 612d1ea514f1..d3e3469db8de 100644 --- a/drivers/media/platform/s5p-g2d/g2d.c +++ b/drivers/media/platform/s5p-g2d/g2d.c @@ -681,6 +681,7 @@ static int g2d_probe(struct platform_device *pdev) goto put_clk_gate; } + vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32)); dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); if (IS_ERR(dev->alloc_ctx)) { ret = PTR_ERR(dev->alloc_ctx); @@ -757,6 +758,7 @@ static int g2d_remove(struct platform_device *pdev) video_unregister_device(dev->vfd); v4l2_device_unregister(&dev->v4l2_dev); vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); + vb2_dma_contig_clear_max_seg_size(&pdev->dev); clk_unprepare(dev->gate); clk_put(dev->gate); clk_unprepare(dev->clk); |