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Subject[PATCH 5.3 270/344] media: hantro: Set DMA max segment size
Date
From: Francois Buergisser <fbuergisser@chromium.org>

commit c3c3509b86810293df5c524ef61421d8affc8bf0 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/drivers/staging/media/hantro/hantro_drv.c
+++ b/drivers/staging/media/hantro/hantro_drv.c
@@ -724,6 +724,7 @@ static int hantro_probe(struct platform_
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;

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