Since commit ca1170b69968 ("clk: sunxi-ng: a64: force select PLL_MIPI in TCON0 mux"), TCON0 clock parent is always set to PLL_MIPI, but unfortunately it breaks video output on Pinebook. I did an experiment: I manually configured PLL_MIPI and PLL_VIDEO0_2X to the same clock rate and flipped the switch with devmem. Experiment clearly showed that whenever PLL_MIPI is selected as TCON0 clock parent, the video output stops working. To fix the issue, I partially reverted mentioned commit and added explicit TCON0 clock parent assignment to device tree. By default, it will be PLL_MIPI, and the only users with RGB output - Pinebook and Teres-I will override it in their dts. Vasily Khoruzhick (3): dt-bindings: clock: sunxi: Export PLL_VIDEO_2X and PLL_MIPI arm64: dts: allwinner: a64: explicitly assign clock parent for TCON0 clk: sunxi-ng: a64: stop force-selecting PLL-MIPI as TCON0 parent arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts | 2 ++ arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts | 2 ++ arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 2 ++ drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 11 ----------- drivers/clk/sunxi-ng/ccu-sun50i-a64.h | 2 -- include/dt-bindings/clock/sun50i-a64-ccu.h | 2 ++ 6 files changed, 8 insertions(+), 13 deletions(-) -- 2.47.1