Hi, Yongqiang:
Yongqiang Niu yongqiang.niu@mediatek.com 於 2021年1月7日 週四 上午11:11寫道：
rdma fifo size may be different even in same SOC, add this property to the corresponding rdma
Reviewed-by: Chun-Kuang Hu chunkuang.hu@kernel.org
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com
.../devicetree/bindings/display/mediatek/mediatek,disp.txt | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt index 33977e1..b07881e 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt @@ -66,6 +66,14 @@ Required properties (DMA function blocks): argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt for details.
+Optional properties (RDMA function blocks): +- mediatek,rdma-fifo-size: rdma fifo size may be different even in same SOC, add this
- property to the corresponding rdma
- the value is the Max value which defined in hardware data sheet.
- mediatek,rdma-fifo-size of mt8173-rdma0 is 8K
- mediatek,rdma-fifo-size of mt8183-rdma0 is 5K
- mediatek,rdma-fifo-size of mt8183-rdma1 is 2K
Examples:
mmsys: clock-controller@14000000 { @@ -103,6 +111,7 @@ rdma0: rdma@1400e000 { clocks = <&mmsys CLK_MM_DISP_RDMA0>; iommus = <&iommu M4U_PORT_DISP_RDMA0>; mediatek,larb = <&larb0>;
mediatek,rdma-fifosize = <8192>;};
rdma1: rdma@1400f000 {
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