To support HDMI 4K resolution, mmsys need clcok
mm_sel to be 400MHz.
The board .dts file should override the clock rate
property with the higher VENCPLL frequency the board
supports HDMI 4K resolution.
Signed-off-by: Bibby Hsieh <bibby.hs...@mediatek.com>
---
arch/arm64/boot/dts/mediatek/mt8173.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index 78529e4..c3f32f3 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -690,6 +690,8 @@
compatible = "mediatek,mt8173-mmsys", "syscon";
reg = <0 0x14000000 0 0x1000>;
power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
+ assigned-clocks = <&topckgen CLK_TOP_MM_SEL>;
+ assigned-clock-rates = <400000000>;
#clock-cells = <1>;
};
--
1.7.9.5
