bcm27xx: update to latest patches from RPi foundation

Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0616-drm-vc4-Fixup-plane-init-within-firmware-kms.patch b/target/linux/bcm27xx/patches-5.4/950-0616-drm-vc4-Fixup-plane-init-within-firmware-kms.patch
new file mode 100644
index 0000000000..8edba988f2
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0616-drm-vc4-Fixup-plane-init-within-firmware-kms.patch
@@ -0,0 +1,31 @@
+From d39fee7763d49f3b0bfd57e6cdc014467415d56a Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Mon, 30 Mar 2020 18:25:10 +0100
+Subject: [PATCH] drm/vc4: Fixup plane init within firmware-kms
+
+"drm/vc4: plane: Move additional planes creation to driver" moved
+overlay and cursor plane creation to a global function thata was
+unconditionally run, when it is not wanted in firmware KMS mode.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ drivers/gpu/drm/vc4/vc4_drv.c | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_drv.c
++++ b/drivers/gpu/drm/vc4/vc4_drv.c
+@@ -291,9 +291,11 @@ static int vc4_drm_bind(struct device *d
+ 	if (ret)
+ 		goto gem_destroy;
+ 
+-	ret = vc4_plane_create_additional_planes(drm);
+-	if (ret)
+-		goto unbind_all;
++	if (!vc4->firmware_kms) {
++		ret = vc4_plane_create_additional_planes(drm);
++		if (ret)
++			goto unbind_all;
++	}
+ 
+ 	drm_fb_helper_remove_conflicting_framebuffers(NULL, "vc4drmfb", false);
+