bcm27xx: import latest patches from the RPi foundation

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)

1 files changed, 28 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0935-overlays-Regenerate-upstream-pi4.patch b/target/linux/bcm27xx/patches-5.4/950-0935-overlays-Regenerate-upstream-pi4.patch
new file mode 100644
index 0000000000..429390931d
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0935-overlays-Regenerate-upstream-pi4.patch
@@ -0,0 +1,28 @@
+From a5dd8f7ddc00f0f4e58f56b729b7e0066edf4e71 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.com>
+Date: Wed, 12 Aug 2020 10:15:52 +0100
+Subject: [PATCH] overlays: Regenerate upstream-pi4
+
+The recent modification to vc4-kms-v3d-pi4 also results in a change
+to the Pi 4 version of the upstream overlay.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+---
+ arch/arm/boot/dts/overlays/upstream-pi4-overlay.dts | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+--- a/arch/arm/boot/dts/overlays/upstream-pi4-overlay.dts
++++ b/arch/arm/boot/dts/overlays/upstream-pi4-overlay.dts
+@@ -128,6 +128,12 @@
+ 		};
+ 	};
+ 	fragment@20 {
++		target = <&dvp>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@21 {
+ 		target = <&usb>;
+ 		#address-cells = <1>;
+ 		#size-cells = <1>;