[PATCH v2,2/5] media: mtk-vcodec: Support 4GB~8GB range iova space for venc

[Irui Wang]

Uses 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.w...@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");
-- 
2.18.0