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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2016-05-24 09:16:07 +0200 |
|---|---|---|
| committer | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2016-06-03 11:13:11 +0200 |
| commit | 712b617e5e1a9084917c5f6ab1ccb1456b722f51 (patch) | |
| tree | 6cec8be14c8386b69df63ef45df25900bb59d1fa /drivers/media/platform/exynos-gsc | |
| parent | 3f03396918962b2f8b888d02b23cd1e0c88bf5e5 (diff) | |
| download | linux-712b617e5e1a9084917c5f6ab1ccb1456b722f51.tar.gz linux-712b617e5e1a9084917c5f6ab1ccb1456b722f51.tar.bz2 linux-712b617e5e1a9084917c5f6ab1ccb1456b722f51.zip | |
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/exynos-gsc')
| -rw-r--r-- | drivers/media/platform/exynos-gsc/gsc-core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index c04973669a47..c9d2009c2476 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -1124,6 +1124,7 @@ static int gsc_probe(struct platform_device *pdev) goto err_m2m; /* Initialize continious memory allocator */ + vb2_dma_contig_set_max_seg_size(dev, DMA_BIT_MASK(32)); gsc->alloc_ctx = vb2_dma_contig_init_ctx(dev); if (IS_ERR(gsc->alloc_ctx)) { ret = PTR_ERR(gsc->alloc_ctx); @@ -1153,6 +1154,7 @@ static int gsc_remove(struct platform_device *pdev) v4l2_device_unregister(&gsc->v4l2_dev); vb2_dma_contig_cleanup_ctx(gsc->alloc_ctx); + vb2_dma_contig_clear_max_seg_size(&pdev->dev); pm_runtime_disable(&pdev->dev); gsc_clk_put(gsc); |