no screens found(EE) - Cannot use AMD R5 M330 as output to monitor

Alex Deucher alexdeucher at gmail.com
Fri May 15 16:16:47 UTC 2020


Most modern desktop environments set this up already.  All you need to do
is set the env var DRI_PRIME=1 when running an app and it will run on the
dGPU.  Many desktop environments also provide a GUI based option to choose
which GPU to run a particular application on.

Alex

On Fri, May 15, 2020 at 8:23 AM IL Ka <kazakevichilya at gmail.com> wrote:

> Then what is the right thing to do here?
> Use AMD only for rendering, but not for the output. Something like:
> $ xrandr --setprovideroffloadsink provider sink
> ?
>
>
>
>
> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> Без
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> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
> <#m_-1550470071674472515_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
> On Thu, May 14, 2020 at 9:52 PM Alex Deucher <alexdeucher at gmail.com>
> wrote:
>
>> On Thu, May 14, 2020 at 2:47 PM IL Ka <kazakevichilya at gmail.com> wrote:
>> >
>> > Here is what happened:
>> >>
>> >> [   347.043] (WW) RADEON(0): No outputs definitely connected, trying
>> again...
>> >> [   347.043] (WW) RADEON(0): Unable to find connected outputs -
>> setting 1024x768 initial framebuffer
>> >> [   347.043] (II) RADEON(0): mem size init: gart size :7fbcf000 vram
>> size: s:80000000 visible:fbbe000
>> >
>> >
>> > It seems that you have 2 video cards: intel (built into CPU I believe)
>> and ATI.
>> > Intel is connected, not ATI.
>> >
>> > I think you need to enable ATI video card in your BIOS settings.
>> > There should be something like "discrete video card" or "on board video
>> card" switch.
>>
>> Not possible on this system.  The dGPU in question has no display
>> hardware at all so it cannot drive a display.  It can only support
>> render offload.
>>
>> Alex
>>
>
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