[1/7] media: hantro: Set DMA max segment size
diff mbox series

Message ID 20190724171702.9449-2-ezequiel@collabora.com
State New
Headers show
  • hantro: Add RK3399 VP8 decoding support
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Commit Message

Ezequiel Garcia July 24, 2019, 5:16 p.m. UTC
From: Francois Buergisser <fbuergisser@chromium.org>

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

diff mbox series

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;