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, 33 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0603-drm-vc4-The-check-for-assigned-HVS-channels-is-not-a.patch b/target/linux/bcm27xx/patches-5.4/950-0603-drm-vc4-The-check-for-assigned-HVS-channels-is-not-a.patch
new file mode 100644
index 0000000000..00a65a9b11
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0603-drm-vc4-The-check-for-assigned-HVS-channels-is-not-a.patch
@@ -0,0 +1,33 @@
+From 76534156ad6e835ad89135210d565dd5f58e91ab Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Tue, 11 Feb 2020 15:36:59 +0000
+Subject: [PATCH] drm/vc4: The check for assigned HVS channels is not
+ applicable firmware_kms
+
+Channel assignments is only in full KMS, so skip the check
+if in firmware kms mode.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ drivers/gpu/drm/vc4/vc4_kms.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_kms.c
+@@ -579,6 +579,7 @@ static int
+ vc4_atomic_check(struct drm_device *dev, struct drm_atomic_state *state)
+ {
+ 	unsigned long unassigned_channels = GENMASK(NUM_CHANNELS - 1, 0);
++	struct vc4_dev *vc4 = to_vc4_dev(state->dev);
+ 	struct drm_crtc_state *crtc_state;
+ 	struct drm_crtc *crtc;
+ 	int i, ret;
+@@ -590,7 +591,7 @@ vc4_atomic_check(struct drm_device *dev,
+ 		bool is_assigned = false;
+ 		unsigned int channel;
+ 
+-		if (!crtc_state->active)
++		if (!crtc_state->active || vc4->firmware_kms)
+ 			continue;
+ 
+ 		/*