brcm2708: update linux 4.4 patches to latest version

As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y

Also adds support for Raspberry Pi Compute Module 3 (untested).

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

1 files changed, 28 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.4/0481-drm-vc4-Don-t-force-new-binner-overflow-allocation-p.patch b/target/linux/brcm2708/patches-4.4/0481-drm-vc4-Don-t-force-new-binner-overflow-allocation-p.patch
new file mode 100644
index 0000000000..716961ef3a
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0481-drm-vc4-Don-t-force-new-binner-overflow-allocation-p.patch
@@ -0,0 +1,28 @@
+From 033049599046df7c51b605b24224bbce6d60c762 Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Tue, 2 Aug 2016 17:17:52 -0700
+Subject: [PATCH] drm/vc4: Don't force new binner overflow allocation per draw.
+
+This came from the initial bringup code, which always idled the GPU
+and always reset the overflow.  That massively increases the size of
+the working set when you're doing lots of small draws, though, as is
+common on X desktops or piglit.
+
+Signed-off-by: Eric Anholt <eric@anholt.net>
+---
+ drivers/gpu/drm/vc4/vc4_gem.c | 4 ----
+ 1 file changed, 4 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_gem.c
++++ b/drivers/gpu/drm/vc4/vc4_gem.c
+@@ -435,10 +435,6 @@ again:
+ 
+ 	vc4_flush_caches(dev);
+ 
+-	/* Disable the binner's pre-loaded overflow memory address */
+-	V3D_WRITE(V3D_BPOA, 0);
+-	V3D_WRITE(V3D_BPOS, 0);
+-
+ 	/* Either put the job in the binner if it uses the binner, or
+ 	 * immediately move it to the to-be-rendered queue.
+ 	 */