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#1 2016-12-06 04:36:03

gameboy9309
Member
From: United States
Registered: 2016-03-03
Posts: 52

Cannot switch to AMDGPU driver

Hi, I'm trying to change my GPU driver to amdgpu, but nothing is happening. I've read the wiki section, made sure everything is installed, no kernel parameters that would interfere with the driver, and I even tried to manually configure the driver.
But the radeon driver is still being used. If I try to blacklist it, my system won't boot. I'm not sure how to fix this, maybe someone can help?

Thanks


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#2 2016-12-06 04:50:24

headkase
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Registered: 2011-12-06
Posts: 1,976

Re: Cannot switch to AMDGPU driver

What happens when "nothing is happening"?  A blank screen?  An error message?  If a blank screen what about logs?

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#3 2016-12-06 05:47:46

gameboy9309
Member
From: United States
Registered: 2016-03-03
Posts: 52

Re: Cannot switch to AMDGPU driver

I'm guessing that it reverts to the open source radeon driver since if I blacklist it, my laptop won't boot.


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#4 2016-12-06 05:49:01

headkase
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Registered: 2011-12-06
Posts: 1,976

Re: Cannot switch to AMDGPU driver

Post your latest X.org log file.  The contents of that will help.

Edit: Also, are you trying to use xf86-video-amdgpu in the official repositories or amdgpu-pro from the aur?

Edit2: And also, what is your exact model for your graphics card?

Last edited by headkase (2016-12-06 05:50:57)

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#5 2016-12-06 05:59:58

gameboy9309
Member
From: United States
Registered: 2016-03-03
Posts: 52

Re: Cannot switch to AMDGPU driver

Sorry for not mentioning these things. I'm kind of new. I installed xf86-video-amdgpu. My card is AMD Radeon HD 6480G.
I believe this is the output of my log file: http://pastebin.com/PDmXuAG3


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#6 2016-12-06 06:03:06

headkase
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Registered: 2011-12-06
Posts: 1,976

Re: Cannot switch to AMDGPU driver

I don't need to see the log file.  I'm sorry to tell you but the minimum hardware to use amdgpu (or -pro) is a Graphics Core Next card.  And GCN didn't come about until the late 7000 series.  So, you cannot use amdgpu in any version.  You don't have a GCN card.

You'll have to stick with xf86-video-ati for that card.  Catalyst is an option but it is just so much trouble that I wouldn't use it.

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#7 2016-12-06 06:06:41

gameboy9309
Member
From: United States
Registered: 2016-03-03
Posts: 52

Re: Cannot switch to AMDGPU driver

Thanks but I don't get it... Running Ubuntu, AMDGPU will work... Or maybe it was still using Gallium?


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#8 2016-12-06 06:07:26

headkase
Member
Registered: 2011-12-06
Posts: 1,976

Re: Cannot switch to AMDGPU driver

I don't know what Ubuntu was doing but I do know that amdgpu is only for GCN cards so whatever Ubuntu was doing wasn't amdgpu.

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#9 2016-12-06 06:10:59

gameboy9309
Member
From: United States
Registered: 2016-03-03
Posts: 52

Re: Cannot switch to AMDGPU driver

Hm... Thanks anyway. Is the ATI driver the best for performance that I can use?


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#10 2016-12-06 06:12:52

headkase
Member
Registered: 2011-12-06
Posts: 1,976

Re: Cannot switch to AMDGPU driver

See: Here for supported hardware, Volcanic Islands, Sea Islands, and Southern Islands are supported.  Your card is a Evergreen / Northern Islands so it is not compatible.  Sorry.

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#11 2016-12-06 06:15:20

headkase
Member
Registered: 2011-12-06
Posts: 1,976

Re: Cannot switch to AMDGPU driver

gameboy9309 wrote:

Hm... Thanks anyway. Is the ATI driver the best for performance that I can use?

xf86-video-ati is fine for desktop use and light gaming.  It isn't the best though for medium and taxing gaming.  It is fully open-source though so you will get updates, that improve it, for a long time yet to come.  Catalyst, the proprietary driver for that card, hasn't been maintained well and being proprietary nobody but AMD can do it.  Catalyst has been replaced by AMD with amdgpu (-pro) but that, again, has the minimum hardware to use it.

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#12 2016-12-06 06:59:54

gameboy9309
Member
From: United States
Registered: 2016-03-03
Posts: 52

Re: Cannot switch to AMDGPU driver

Oh okay. I'll just use catalyst. If I can't do that, I'll switch back to the radeon driver.


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#13 2016-12-06 07:53:01

headkase
Member
Registered: 2011-12-06
Posts: 1,976

Re: Cannot switch to AMDGPU driver

Well I hope it works out for you.  My experience with Catalyst is nothing but problem after problem though.  Because of its proprietary nature exactly - no one but AMD can improve it.  That is the reason amdgpu exists even, AMD wanted a driver that would just work better under Linux.  They spent years interacting with various communities to do so and amdgpu is the result of that.  AMD provides excellent documentation to OSS communities and that is a fact.  nVidia's binary driver is better now but they won't tell you a damn thing about how their driver works.  Which is why nouveau takes so long to improve - no help from the manufacturer.

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