From: mcp_rez...@hotmail.com
To: gentoo-user@lists.gentoo.org
Subject: RE: [gentoo-user] anyone tried amdgpu (kernel module)
Date: Sat, 19 Dec 2015 11:17:40 -0500






From: alexander.kaps...@gmail.com
Date: Sat, 19 Dec 2015 18:13:03 +0200
Subject: Re: [gentoo-user] anyone tried amdgpu (kernel module)
To: gentoo-user@lists.gentoo.org

On Sat, Dec 19, 2015 at 5:43 PM, Tsukasa Mcp_Reznor <mcp_rez...@hotmail.com> 
wrote:



From: alexander.kaps...@gmail.com
Date: Sat, 19 Dec 2015 09:35:28 +0200
Subject: Re: [gentoo-user] anyone tried amdgpu (kernel module)
To: gentoo-user@lists.gentoo.org

On Fri, Dec 18, 2015 at 11:07 PM, Tsukasa Mcp_Reznor <mcp_rez...@hotmail.com> 
wrote:



I have a Bonaire gpu, which has legacy support using the amdgpu kernel module.  
I currently use the Radeon dri module with radeonsi mesa drivers and am quite 
happy.  But gentoo being gentoo I thought I'd give the amdgpu a go for the fun 
of it.
Tried a few variations and keep coming up with a black screen on boot and it's 
hard locked.  I'm using the same Firmware includes that the radeon driver 
requires, and from reading it looks like that's fine with amdgpu, so I'm not 
sure what else could be the issue.
Has anyone here tried and had success with it?  I've tried Kernels 4.2 4.2.4 
4.3 and 4.3.2.  So I believe I'm missing something simple and it's not a kernel 
bug.                                         

Did you consult the wiki article shown below when configuring your system to 
use admgpu?

https://wiki.gentoo.org/wiki/Amdgpu





Yes I have.  The CIK parts kernel option is enabled.  the only thing I find a 
bit odd, is in the firmware include list is radeon/bonaire_sdma1.bin which 
doesn't exist on my system using sys-kernel/linux-firmware-20150812.  So I'm 
assuming it's an error on the wiki page.                                    

Have you tried this firmware package instead, sys-firmware/amdgpu-ucode?

Do you have the firmware included in your kernel config file?
Device Drivers  --->
    Generic Driver Options  --->
        -*- Userspace firmware loading support
        [*] Include in-kernel firmware blobs in kernel binary
            (amdgpu/<YOUR-MODEL>.bin radeon/<YOUR-MODEL>.bin)
            (/lib/firmware) Firmware blobs root directory

Yes I have the firmware includes, I'll try the amdgpu-ucode and report back.
-------------
Mission successful!  Thanks everyone, it appears the missing sdma1.bin from 
linux-firmware is contained in amdgpu-ucode and after switching everything is 
running fine.

                                                                                
  

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