https://bugs.freedesktop.org/show_bug.cgi?id=109206

--- Comment #56 from Jay Fitzpatrick <jayfitzpatrick@gmail.com> ---
(In reply to Ondrej Lang from comment #53)
> According to the linux kernel 5.2 changelog
> (https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2), the fix for
> the DMCU firmware issue on raven1 platform is included in that release.
> 
> I went ahead and tested this and can confirm that I was able to boot without
> a blank screen into my machine with kernel 5.2 without needing to use the
> workaround.
> 
> I tested with:
> 1.) re-installed latest linux-firmware package
> 2.) installed kernel 5.2
> 3.) re-generated the initramfs
> 4.) booted into linux using kernel 5.2 and had no blank screen, dmesg output
> is clean with no erros for amdgpu
> 
> Tested on:
> HP HP ENVY x360 Convertible 15-bq1xx/83C6, BIOS F.21 04/29/2019
> 
> I guess if someone else can confirm my findings, maybe on different raven1
> hardware, this ticket can be closed.


Hi Ondrej

While I have not been able to test the 5.2 kernel on my Fedora system I have
installed the 5.3 kernel from rawhide and am seeing the same results:

[root@envy ~]# cp /home/XXX/raven_dmcu.bin /usr/lib/firmware/amdgpu/
[root@envy ~]# dracut -f --kver 5.3.0-0.rc0.git2.2.fc31.x86_64
[root@envy ~]# reboot

Tested on HP ENVY x360 Convertible 15-bq1xx/83C6, BIOS F.20 12/25/2018
Kernel version 5.3.0-0.rc0.git2.2.fc31.x86_64 

Installing rawhide kernel on Fedora without debug enabled:
sudo dnf config-manager
--add-repo=http://alt.fedoraproject.org/pub/alt/rawhide-kernel-nodebug/fedora-rawhide-kernel-nodebug.repo
sudo yum upgrade

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