Re: is 4k desktop possible on freebsd-12?

On Wed, Oct 17, 2018 at 2:47 PM, Scott Bennett <[email protected]> wrote:
> tech lists <[email protected]> wrote:
> 
>>  On 10/10/2018 11:17, tech-lists wrote:
>>  > I'm trying to get xorg to display 4k. The context is:
>>  >
>>  > FreeBSD 12.0-ALPHA8 r339084 amd64
>>  > ports r481640
>>  > AMD RX580 GPU
>>  > Asus X99 Extreme3 mobo
>>  > cpu: intel e5-2699v4
>>  > 48GB RAM
>>  > Samsung UE48JU6410U monitor connected via HDMI
>>  >
>>  > drm-next-kmod-4.11.g20180822
>> 
>>  Hi, just to follow up to this,
>> 
>>  I'd run out of time to work on this so installed latest ubuntu 
>> desktop,
>>  then ran xrandr and it showed 4k as the top resolution. I didn't 
>> have to
>>  make any modifications:
>> 
>>  [snip]
>>  DisplayPort-2 disconnected (normal left inverted right x axis y 
>> axis)
>>  HDMI-A-0 connected primary 1920x1080+0+0 (normal left inverted 
>> right x
>>  axis y axis) 1872mm x 1053mm
>>     3840x2160     30.00 +  25.00    24.00    29.97    23.98
>>     4096x2160     30.00    25.00    24.00    29.97    23.98
>>  [/snip]
>> 
>>  and then, additionally, installed boinc-client-opencl and boinc was 
>> able
>>  to see the GPUand use it for crunching.
>> 
>>  On FreeBSD I couldn't see a way of making the boinc client 
>> OpenCL-aware.
> 
>      Have you installed lang/clover?  If not, then that may be why 
> you don't
> see any devices there.  For Nvidia, it would be lang/beignet instead.

beignet is for Intel.

If nvidia provides OpenCL for FreeBSD at all, it would be in 
nvidia-driver.

(OP has an AMD Radeon RX 580, so clover indeed is the right one. Keep 
in mind that clover is… not great, but boinc might work)

Also, boinc on FreeBSD apparently has some compatibility with 
Linux-only compute jobs or something — OpenCL will only work with 
FreeBSD-native ones.

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