brcm2708: update to latest patches from RPi Foundation

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0533-drm-vc4-Increase-max_width-height-to-7680.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0533-drm-vc4-Increase-max_width-height-to-7680.patch b/target/linux/brcm2708/patches-4.19/950-0533-drm-vc4-Increase-max_width-height-to-7680.patch
new file mode 100644 (file)
index 0000000..f2c9747
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0533-drm-vc4-Increase-max_width-height-to-7680.patch
@@ -0,0 +1,27 @@
+From b4ed0c4f55542b642f16ee6376b69968d6bafc3b Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Mon, 29 Apr 2019 18:45:00 +0100
+Subject: [PATCH] drm: vc4: Increase max_width/height to 7680.
+
+There are some limits still being investigated that stop
+us going up to 8192, but 7680 is sufficient for dual 4k
+displays.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/gpu/drm/vc4/vc4_kms.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_kms.c
+@@ -429,8 +429,8 @@ int vc4_kms_load(struct drm_device *dev)
+               return ret;
+       }
+ 
+-      dev->mode_config.max_width = 4096;
+-      dev->mode_config.max_height = 4096;
++      dev->mode_config.max_width = 7680;
++      dev->mode_config.max_height = 7680;
+       dev->mode_config.funcs = &vc4_mode_funcs;
+       dev->mode_config.preferred_depth = 24;
+       dev->mode_config.async_page_flip = true;