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, 24 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0559-drm-vc4-crtc-Use-local-chan-variable.patch b/target/linux/bcm27xx/patches-5.4/950-0559-drm-vc4-crtc-Use-local-chan-variable.patch
new file mode 100644
index 0000000000..6f77bace01
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0559-drm-vc4-crtc-Use-local-chan-variable.patch
@@ -0,0 +1,24 @@
+From 888e5149bdb810e67996828bb26955a57a482d4c Mon Sep 17 00:00:00 2001
+From: Maxime Ripard <maxime@cerno.tech>
+Date: Tue, 14 Jan 2020 13:37:27 +0100
+Subject: [PATCH] drm/vc4: crtc: Use local chan variable
+
+The vc4_crtc_handle_page_flip already has a local variable holding the
+value of vc4_crtc->channel, so let's use it instead.
+
+Signed-off-by: Maxime Ripard <maxime@cerno.tech>
+---
+ drivers/gpu/drm/vc4/vc4_crtc.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_crtc.c
++++ b/drivers/gpu/drm/vc4/vc4_crtc.c
+@@ -816,7 +816,7 @@ static void vc4_crtc_handle_page_flip(st
+ 		 * underruns. This can be seen when reconfiguring the CRTC.
+ 		 */
+ 		if (vc4->hvs)
+-			vc4_hvs_unmask_underrun(dev, vc4_crtc->channel);
++			vc4_hvs_unmask_underrun(dev, chan);
+ 	}
+ 	spin_unlock_irqrestore(&dev->event_lock, flags);
+ }