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

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

1 files changed, 37 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.4/0515-drm-vc4-Disallow-interlaced-modes-on-DPI.patch b/target/linux/brcm2708/patches-4.4/0515-drm-vc4-Disallow-interlaced-modes-on-DPI.patch
new file mode 100644
index 0000000..45ae37f
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0515-drm-vc4-Disallow-interlaced-modes-on-DPI.patch
@@ -0,0 +1,37 @@
+From 069acde1ae77a0807062df0b009a51809cb3aa2a Mon Sep 17 00:00:00 2001
+From: Mario Kleiner <mario.kleiner.de@gmail.com>
+Date: Tue, 19 Jul 2016 20:58:57 +0200
+Subject: [PATCH] drm/vc4: Disallow interlaced modes on DPI.
+
+We already don't expose such modes to userspace, but make
+sure userspace can't sneak some interlaced mode in.
+
+Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
+Signed-off-by: Eric Anholt <eric@anholt.net>
+---
+ drivers/gpu/drm/vc4/vc4_dpi.c | 11 +++++++++++
+ 1 file changed, 11 insertions(+)
+
+--- a/drivers/gpu/drm/vc4/vc4_dpi.c
++++ b/drivers/gpu/drm/vc4/vc4_dpi.c
+@@ -349,9 +349,20 @@ static void vc4_dpi_encoder_enable(struc
+ 	}
+ }
+ 
++static bool vc4_dpi_encoder_mode_fixup(struct drm_encoder *encoder,
++				       const struct drm_display_mode *mode,
++				       struct drm_display_mode *adjusted_mode)
++{
++	if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
++		return false;
++
++	return true;
++}
++
+ static const struct drm_encoder_helper_funcs vc4_dpi_encoder_helper_funcs = {
+ 	.disable = vc4_dpi_encoder_disable,
+ 	.enable = vc4_dpi_encoder_enable,
++	.mode_fixup = vc4_dpi_encoder_mode_fixup,
+ };
+ 
+ static const struct of_device_id vc4_dpi_dt_match[] = {