The RPi4 WiFi chip and HDMI outputs have some frequency overlap with crosstalk around 2.4GHz. Let's mark it as such so we can use some evasive maneuvers.
Signed-off-by: Maxime Ripard maxime@cerno.tech --- arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts index ca24c2c737ab..1b739c3a9a12 100644 --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts @@ -174,12 +174,14 @@ &gpio { &hdmi0 { clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 0>, <&clk_27MHz>; clock-names = "hdmi", "bvb", "audio", "cec"; + raspberrypi,disable-wifi-frequencies; status = "okay"; };
&hdmi1 { clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>; clock-names = "hdmi", "bvb", "audio", "cec"; + raspberrypi,disable-wifi-frequencies; status = "okay"; };