Il 21/10/21 08:34, roy-cw.yeh ha scritto:
From: "Roy-CW.Yeh" <roy-cw.yeh@xxxxxxxxxxxx>
Set dma_set_mask_and_coherent
Please explain why you're setting that and why 34 bits in the commit description.
Signed-off-by: Roy-CW.Yeh <roy-cw.yeh@xxxxxxxxxxxx>
---
drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c b/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c
index 1e61ac7ca790..875326afb686 100644
--- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c
+++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c
@@ -1141,6 +1141,8 @@ static int mdp_probe(struct platform_device *pdev)
mdp->pdev = pdev;
mdp->mdp_data = of_device_get_match_data(&pdev->dev);
+ dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34));
+
ret = of_property_read_u32(dev->of_node, "mediatek,mdp3-id", &id);
if (ret) {
dev_err(dev, "Failed to get mdp-id\n");
