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nenoro
n00b
Joined: 07 Jan 2018
Posts: 55
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 Posted: Tue Nov 27, 2018 11:16 pm Post subject: Amdgpu + kernel (i'm missing something) |
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Hiya guys
So back to gentoo (yay wait where were you before ??)
So i'm a bit in a "no way" issue, i read https://wiki.gentoo.org/wiki/AMDGPU for my RX 480 (Arctic Islands)
I add in my make.conf
| Code: | | USE="savedconfig experimental (this one is for my ryzen)" |
| Code: | > I run emerge -a linux-firmware
> [...] make menuconfig
> i search graphics support
> search [b]for Display Engine Configuration --->
[*] AMD DC - Enable new display engine(**)
[ /*] DC support for Polaris and older ASICs[/b]
(only needed for Polaris, Carrizo, Tonga, Bonaire, Hawaii) |
But i don't find it (**) i only find ATI Radeon and AMD GPU
So my question is : am i missing something ?
[Moderator edit: changed [quote] tags to [code] tags to preserve output layout. -Hu] |
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The Doctor
Moderator
Joined: 27 Jul 2010
Posts: 2678
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| Posted: Wed Nov 28, 2018 12:09 am Post subject: |
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You need Direct rendering manager and amdgpu in the kernel.
You shouldn't need anything specific for polaris. I'm running a polaris 11 chipset right now (560) Linux firmware's default config just pulled everything I needed.
If you have doubts check /lib/firmware/amdgpu/ to see if the firmware listed on the wiki is installed.
Is the card failing to work on boot up? Module or built in? If the firmware isn't built into the kernel it needs to be a module.
_________________
First things first, but not necessarily in that order.
Apologies if I take a while to respond. I'm currently working on the dematerialization circuit for my blue box. |
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nenoro
n00b
Joined: 07 Jan 2018
Posts: 55
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| Posted: Thu Nov 29, 2018 2:52 pm Post subject: |
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| Quote: | | If you have doubts check /lib/firmware/amdgpu/ to see if the firmware listed on the wiki is installed. |
i checked after you told me to look and there is the amdgpu.bin for my gpu
| Quote: | | Is the card failing to work on boot up? Module or built in? If the firmware isn't built into the kernel it needs to be a module. |
No failing on boot up
Everything goes well but i was just surprise i didn't see
| Quote: | Display Engine Configuration --->
[*] AMD DC - Enable new display engine(**) |
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The Doctor
Moderator
Joined: 27 Jul 2010
Posts: 2678
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| Posted: Thu Nov 29, 2018 5:06 pm Post subject: |
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Quite probably the wiki and reality are not in sync. It happens.
_________________
First things first, but not necessarily in that order.
Apologies if I take a while to respond. I'm currently working on the dematerialization circuit for my blue box. |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54234
Location: 56N 3W
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| Posted: Thu Nov 29, 2018 6:44 pm Post subject: |
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nenoro,
| Code: | | [*] AMD DC - Enable new display engine(**) |
is gone in 4.19 and probably earlier.
Its not quite as bad as The Doctor makes out. The wiki and reality are not in sync for some values of kernel version.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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nenoro
n00b
Joined: 07 Jan 2018
Posts: 55
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| Posted: Sat Dec 01, 2018 4:37 pm Post subject: |
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So i just copy the microcode for my cpu and gpu and move on to not see that code line for my polaris 10 then.
someone should update the handbook when something is added or removed that would help.
edit: I think that part was remove before because i just notice gentoo-sources is on 4.14.83 and vanilla-sources is on 4.19.5
by the way i think i'm going to use vanilla-sources |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54234
Location: 56N 3W
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| Posted: Sat Dec 01, 2018 6:40 pm Post subject: |
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nenoro,
Stable gentoo-sources is on 4.14.83, testing gentoo-sources is on 4.19.5.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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