openwrt/target/linux/bcm27xx/patches-5.4/950-0243-drm-vc4-Increase-max_width-height-to-7680.patch
Álvaro Fernández Rojas f07e572f64 bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-18 23:42:32 +01:00

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939 B
Diff

From 11801b1f71144478ab6c19a4c309667d340cb9e2 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
@@ -536,8 +536,8 @@ 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;