Add support for DCN 3.5.1

Bug #2068001 reported by Anson Tsao
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux-firmware (Ubuntu)
Status tracked in Oracular

Bug Description

Products with DCN 3.5.1 need linux-firmware to be added for noble. Matching kernel support is already in kernel 6.9.

Without this firmware amdgpu won't bind.

[Test Plan]
Boot system and ensure accelerated graphics works.

[Where problems could occur]
This firmware is only loaded on hardware with DCN 3.5.1, VPE 6.1.1, VCN 4.0.6, SDMA 6.1.1, GC 11.5.1, PSP 14.0.1, or ISP 4.1.1

[Other info]
Here are commit IDs:
7cdafcea amdgpu: Add support for DMCUB 3.5.1
df778e92 amdgpu: add support for VPE 6.1.1
bf6f3544 amdgpu: add support for VCN 4.0.6
f2f93bed amdgpu: add support for SDMA 6.1.1
dbffb07e amdgpu: add support for PSP 14.0.1
a54ce0ff amdgpu: add support for GC 11.5.1
aae82243 amdgpu: add new ISP 4.1.1

Anson Tsao (ansontsao)
description: updated
Anson Tsao (ansontsao)
tags: added: originates-from-2067667
Juerg Haefliger (juergh)
tags: added: kern-11008
Revision history for this message
You-Sheng Yang (vicamo) wrote :

Not working on AMD CRB with packages from Is this a verification failure?

Revision history for this message
Mario Limonciello (superm1) wrote :

That's a BIOS bug with VCN not a GPU F/W bug. We can reproduce it on the same BIOS as you, and updating to a newer BIOS it goes away.

You can workaround it by masking the VCN IP block like this:


Revision history for this message
You-Sheng Yang (vicamo) wrote :

Verified both with AMD's prebuilt kernel and Ubuntu's port. Will begin SRU.

Revision history for this message
Timo Aaltonen (tjaalton) wrote :

oracular would get this via rebase to upstream

Changed in linux-firmware (Ubuntu Oracular):
status: New → Incomplete
status: Incomplete → Confirmed
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