[PATCH v3, 3/6] media: mtk-vcodec: Support 4GB~8GB range iova space for venc
Irui Wang
irui.wang at mediatek.com
Mon Apr 12 13:45:52 BST 2021
Use the dma_set_mask_and_coherent helper to set venc
DMA bit mask to support 4GB~8GB range iova space.
Signed-off-by: Irui Wang <irui.wang at mediatek.com>
---
drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
index 7d7b8cfc2cc5..26b089e81213 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
@@ -361,6 +361,9 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
goto err_event_workq;
}
+ if (of_get_property(pdev->dev.of_node, "dma-ranges", NULL))
+ dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34));
+
ret = video_register_device(vfd_enc, VFL_TYPE_VIDEO, 1);
if (ret) {
mtk_v4l2_err("Failed to register video device");
--
2.25.1
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