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.szyprow...@samsung.com>
---
 drivers/media/platform/exynos-gsc/gsc-core.c  | 1 +
 drivers/media/platform/exynos4-is/fimc-core.c | 1 +
 drivers/media/platform/exynos4-is/fimc-is.c   | 1 +
 drivers/media/platform/exynos4-is/fimc-lite.c | 1 +
 drivers/media/platform/s5p-g2d/g2d.c          | 1 +
 drivers/media/platform/s5p-jpeg/jpeg-core.c   | 1 +
 drivers/media/platform/s5p-mfc/s5p_mfc.c      | 2 ++
 drivers/media/platform/s5p-tv/mixer_video.c   | 1 +
 8 files changed, 9 insertions(+)

diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c 
b/drivers/media/platform/exynos-gsc/gsc-core.c
index 9b9e423..4f90be4 100644
--- a/drivers/media/platform/exynos-gsc/gsc-core.c
+++ b/drivers/media/platform/exynos-gsc/gsc-core.c
@@ -1140,6 +1140,7 @@ 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);
diff --git a/drivers/media/platform/exynos4-is/fimc-core.c 
b/drivers/media/platform/exynos4-is/fimc-core.c
index cef2a7f..368e19b 100644
--- a/drivers/media/platform/exynos4-is/fimc-core.c
+++ b/drivers/media/platform/exynos4-is/fimc-core.c
@@ -1019,6 +1019,7 @@ static int fimc_probe(struct platform_device *pdev)
        }
 
        /* Initialize contiguous memory allocator */
+       vb2_dma_contig_set_max_seg_size(dev, DMA_BIT_MASK(32));
        fimc->alloc_ctx = vb2_dma_contig_init_ctx(dev);
        if (IS_ERR(fimc->alloc_ctx)) {
                ret = PTR_ERR(fimc->alloc_ctx);
diff --git a/drivers/media/platform/exynos4-is/fimc-is.c 
b/drivers/media/platform/exynos4-is/fimc-is.c
index 49658ca..123772f 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -841,6 +841,7 @@ static int fimc_is_probe(struct platform_device *pdev)
        if (ret < 0)
                goto err_pm;
 
+       vb2_dma_contig_set_max_seg_size(dev, DMA_BIT_MASK(32));
        is->alloc_ctx = vb2_dma_contig_init_ctx(dev);
        if (IS_ERR(is->alloc_ctx)) {
                ret = PTR_ERR(is->alloc_ctx);
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c 
b/drivers/media/platform/exynos4-is/fimc-lite.c
index 60660c3..a7e47c7 100644
--- a/drivers/media/platform/exynos4-is/fimc-lite.c
+++ b/drivers/media/platform/exynos4-is/fimc-lite.c
@@ -1564,6 +1564,7 @@ static int fimc_lite_probe(struct platform_device *pdev)
                        goto err_sd;
        }
 
+       vb2_dma_contig_set_max_seg_size(dev, DMA_BIT_MASK(32));
        fimc->alloc_ctx = vb2_dma_contig_init_ctx(dev);
        if (IS_ERR(fimc->alloc_ctx)) {
                ret = PTR_ERR(fimc->alloc_ctx);
diff --git a/drivers/media/platform/s5p-g2d/g2d.c 
b/drivers/media/platform/s5p-g2d/g2d.c
index e1936d9..31f6c23 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);
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c 
b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index 4a608cb..6bd92f0 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -2839,6 +2839,7 @@ static int s5p_jpeg_probe(struct platform_device *pdev)
                goto device_register_rollback;
        }
 
+       vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
        jpeg->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
        if (IS_ERR(jpeg->alloc_ctx)) {
                v4l2_err(&jpeg->v4l2_dev, "Failed to init memory allocator\n");
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c 
b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 3ffe2ec..3e9cdaf 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -1143,11 +1143,13 @@ static int s5p_mfc_probe(struct platform_device *pdev)
                }
        }
 
+       vb2_dma_contig_set_max_seg_size(dev->mem_dev_l, DMA_BIT_MASK(32));
        dev->alloc_ctx[0] = vb2_dma_contig_init_ctx(dev->mem_dev_l);
        if (IS_ERR(dev->alloc_ctx[0])) {
                ret = PTR_ERR(dev->alloc_ctx[0]);
                goto err_res;
        }
+       vb2_dma_contig_set_max_seg_size(dev->mem_dev_r, DMA_BIT_MASK(32));
        dev->alloc_ctx[1] = vb2_dma_contig_init_ctx(dev->mem_dev_r);
        if (IS_ERR(dev->alloc_ctx[1])) {
                ret = PTR_ERR(dev->alloc_ctx[1]);
diff --git a/drivers/media/platform/s5p-tv/mixer_video.c 
b/drivers/media/platform/s5p-tv/mixer_video.c
index dc1c679..1d9c2d5 100644
--- a/drivers/media/platform/s5p-tv/mixer_video.c
+++ b/drivers/media/platform/s5p-tv/mixer_video.c
@@ -80,6 +80,7 @@ int mxr_acquire_video(struct mxr_device *mdev,
                goto fail;
        }
 
+       vb2_dma_contig_set_max_seg_size(mdev->dev, DMA_BIT_MASK(32));
        mdev->alloc_ctx = vb2_dma_contig_init_ctx(mdev->dev);
        if (IS_ERR(mdev->alloc_ctx)) {
                mxr_err(mdev, "could not acquire vb2 allocator\n");
-- 
1.9.2

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