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Subject: media: hantro: Set DMA max segment size Author: Francois Buergisser fbuergisser@chromium.org Date: Thu Jul 25 10:17:50 2019 -0400

The Hantro codec is typically used in platforms with an IOMMU, so we need to set a proper DMA segment size. Devices without an IOMMU will still fallback to default 64KiB segments.

Cc: stable@vger.kernel.org Fixes: 775fec69008d3 ("media: add Rockchip VPU JPEG encoder driver") Signed-off-by: Francois Buergisser fbuergisser@chromium.org Signed-off-by: Ezequiel Garcia ezequiel@collabora.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Mauro Carvalho Chehab mchehab+samsung@kernel.org

drivers/staging/media/hantro/hantro_drv.c | 1 + 1 file changed, 1 insertion(+)

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diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index b71a06e9159e..4eae1dbb1ac8 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -731,6 +731,7 @@ static int hantro_probe(struct platform_device *pdev) dev_err(vpu->dev, "Could not set DMA coherent mask.\n"); return ret; } + vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));

for (i = 0; i < vpu->variant->num_irqs; i++) { const char *irq_name = vpu->variant->irqs[i].name;