X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0531-drm-vc4-Increase-max_width-height-to-7680.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0531-drm-vc4-Increase-max_width-height-to-7680.patch;h=f2c97479ae1b694a93e39b49047f94f79941aab5;hb=84d555aa74434392b682fd9eb0fa701c89a046d6;hp=0000000000000000000000000000000000000000;hpb=953973c2991e8640549a55df7a0574a1abac8644;p=openwrt%2Fstaging%2Fchunkeey.git

diff --git a/target/linux/brcm2708/patches-4.19/950-0531-drm-vc4-Increase-max_width-height-to-7680.patch b/target/linux/brcm2708/patches-4.19/950-0531-drm-vc4-Increase-max_width-height-to-7680.patch
new file mode 100644
index 0000000000..f2c97479ae
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0531-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;