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 9b9e423e4fc4..4f90be43b5a9 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 cef2a7f07cdb..368e19b50498 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 49658ca39e51..123772fa0241 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 6f76afd909c4..9cfd2221f53d 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 e1936d9d27da..31f6c233b146 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 4a608cbe0fdb..6bd92f014a23 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 3ffe2ecfd5ef..3e9cdafe2168 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 dc1c679e136c..1d9c2d5a10e7 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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