[gnome-build-meta/tpreston/rpi4: 3/3] raspi: boot: Use VideoCore 4 Firmware KMS
- From: Thomas Preston <tpreston src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-build-meta/tpreston/rpi4: 3/3] raspi: boot: Use VideoCore 4 Firmware KMS
- Date: Fri, 1 May 2020 09:06:41 +0000 (UTC)
commit 541c62b1e19917d05d22fb92e3b776cff74ff1f2
Author: Thomas Preston <thomas preston codethink co uk>
Date: Fri May 1 10:05:40 2020 +0100
raspi: boot: Use VideoCore 4 Firmware KMS
Use VideoCore 4 Firmware KMS, open-source KMS driver is work in progress
for Raspberry Pi 4.
See:
- https://github.com/raspberrypi/linux/blob/rpi-4.19.y/drivers/gpu/drm/vc4/vc4_firmware_kms.c
- https://github.com/raspberrypi/linux/blob/rpi-4.19.y/drivers/gpu/drm/vc4/vc4_kms.c
elements/raspi/bsp/boot.bst | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/elements/raspi/bsp/boot.bst b/elements/raspi/bsp/boot.bst
index 71c0762c..d6df4dbb 100644
--- a/elements/raspi/bsp/boot.bst
+++ b/elements/raspi/bsp/boot.bst
@@ -26,7 +26,9 @@ config:
arm_64bit=1
start_x=1
gpu_mem=16
- dtoverlay=vc4-kms-v3d
+
+ # Use VideoCore 4 Firmware KMS shim for RPi4, open-source KMS is WIP
+ dtoverlay=vc4-fkms-v3d
# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1
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