Ubuntu
linux-firmware-raspi2 package

Raspberry Pi 4 GPU is disabled by default - no KMS/DRM support

Bug #1896164 reported by Daniel van Vugt
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux-firmware-raspi2 (Ubuntu)
Fix Released
Undecided
Unassigned

Bug Description

Raspberry Pi 4 GPU is disabled by default - no KMS/DRM support. It uses software rendering only.

Workaround:

Edit /boot/firmware/usercfg.txt and add the line:

  dtoverlay=vc4-fkms-v3d

See original description
Daniel van Vugt (vanvugt)
tags: added: focal groovy
Daniel van Vugt (vanvugt)
tags: added: raspi raspi-gfx raspi4
Daniel van Vugt (vanvugt)
summary: - Raspberry Pi GPU is disabled by default - no KMS/DRM support
+ Raspberry Pi 4 GPU is disabled by default - no KMS/DRM support
description: updated
Revision history for this message
Juerg Haefliger (juergh) wrote :

Why is this considered a bug? Not everybody wants kms by default.

Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Yeah I understand that's why it is the way it is.

But I've been asked to make everything work better out of the box. And this really is the only thing that doesn't, so I suggest we should change that.

Revision history for this message
Daniel van Vugt (vanvugt) wrote :

The alternative would be to automatically insert 'dtoverlay=vc4-fkms-v3d' when the user installs ubuntu-desktop or such.

Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Fixed in 21.04 (/boot/firmware/config.txt)

Changed in linux-firmware-raspi2 (Ubuntu):
status: New → Fix Released
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