diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0592-dt-bcm283x-Change-BCM283x-HDMI-to-use-firmware-clock.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0592-dt-bcm283x-Change-BCM283x-HDMI-to-use-firmware-clock.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0592-dt-bcm283x-Change-BCM283x-HDMI-to-use-firmware-clock.patch b/target/linux/bcm27xx/patches-5.15/950-0592-dt-bcm283x-Change-BCM283x-HDMI-to-use-firmware-clock.patch new file mode 100644 index 0000000000..90ee192dab --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0592-dt-bcm283x-Change-BCM283x-HDMI-to-use-firmware-clock.patch @@ -0,0 +1,29 @@ +From 264b925a428d109529dca836dfb5160dd67f7f08 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Thu, 2 Dec 2021 14:11:09 +0000 +Subject: [PATCH] dt: bcm283x: Change BCM283x HDMI to use firmware + clock driver + +The clk-bcm2835 handling of the pixel clock does not function +correctly when the HDMI power domain is disabled. + +The firmware supports it correctly, and the firmware clock +driver now supports it, so switch the vc4-hdmi driver to use +the firmware clock driver. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + arch/arm/boot/dts/bcm2835-common.dtsi | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/arch/arm/boot/dts/bcm2835-common.dtsi ++++ b/arch/arm/boot/dts/bcm2835-common.dtsi +@@ -128,7 +128,7 @@ + "hd"; + interrupts = <2 8>, <2 9>; + ddc = <&i2c2>; +- clocks = <&clocks BCM2835_PLLH_PIX>, ++ clocks = <&firmware_clocks 9>, + <&clocks BCM2835_CLOCK_HSM>; + clock-names = "pixel", "hdmi"; + dmas = <&dma (17|(1<<27)|(1<<24))>; |