Messages in this thread Patch in this message | | | From | Irui Wang <> | Subject | [RESEND,V2,2/2] media: media: jpegenc: set bit mask for jpegenc | Date | Thu, 9 Jun 2022 19:41:51 +0800 |
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From: kyrie wu <kyrie.wu@mediatek.com>
set jpeg encode DMA bit mask to support 34bits iova space(16GB) that the mt8186 iommu HW support. Whole the iova range separate to 0~4G/4G~8G/8G~12G/12G~16G, regarding which iova range jpgenc actually locate, it depends on the dma-ranges property of vdec dtsi node.
Signed-off-by: kyrie wu <kyrie.wu@mediatek.com> --- drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index bc5b0a0168ec..87685a62a5c2 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1369,6 +1369,9 @@ static int mtk_jpeg_probe(struct platform_device *pdev) jpeg->vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE; + 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(jpeg->vdev, VFL_TYPE_VIDEO, -1); if (ret) { v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); -- 2.18.0
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