Is Radeon RX Vega 64 supported by drm-next?

[Johannes Lundberg]

Support for 4.15 wont be in until 11.3-RELEASE but it will be in 11-STABLE
soon though.

11.2 supports up to 4.11.

On Mon, Jun 18, 2018 at 09:20 Grzegorz Junka <list1 at gjunka.com> wrote:

> On 18/06/2018 07:04, Johannes Lundberg wrote:
>
>
>
> On Mon, Jun 18, 2018 at 8:56 AM Grzegorz Junka <list1 at gjunka.com> wrote:
>
>> On 17/06/2018 17:29, Grzegorz Junka wrote:
>> > Hello All
>> >
>> > According to various sources (including posts to freebsd-x11)
>> > drm-stable-kmod supports Polaris (RX 4xx/5xx). Does it mean that
>> > drm-next-kmod supports RX Vega?
>> >
>> > According to Wikipedia Radeon RX 580 is GCN 4th gen:
>> > https://en.wikipedia.org/wiki/AMD_Radeon_500_series
>> >
>> > Which is the last generation before Vega, which in Wikipedia is marked
>> > as GCN 5th gen:
>> > https://en.wikipedia.org/wiki/List_of_AMD_graphics_processing_units
>> >
>> > So there is no other GPU left between them. There is also nothing else
>> > beyond Vega, which suggests that the only difference between
>> > drm-stable and drm-next is the additional support for the latest GPU -
>> > Vega. Or I am missing something?
>>
>> Answering my own question, looks like preliminary Radeon RX Vega support
>> landed in Linux 4.12 with full support in 4.14/15. So it seems there is
>> no additional Radeon GPU supported in drm-next-kmod (Linux 4.11) that
>> isn't already supported in drm-stable-kmod (Linux 4.9). The differences
>> seem to be down to improvements in VM drivers and power management.
>> Please let me know if you have other information.
>>
>> Another question, is it possible to estimate work/time before
>> Wayland/drm-kmod on FreeBSD supports Linux 4.12/14/15 or NVidia cards?
>>
>
> You can try building the drm-v4.15 branch from source. It should work now
> with stock kernel (>=1200066).
> https://github.com/FreeBSDDesktop/kms-drm
>
> I use it on my AMD Ryzen 3 2200G APU.
>
> We're getting ready to release 4.15 as a port, however it's not bug free
> yet so it will be a -devel port.
>
>
> Sounds great! Sorry for a n00bie question. Once support for drm-kmod lands
> in the 11.2 kernel, will support for newer linuxkpi KMS APIs (i.e. 4.15)
> also require kernel changes or they will be supported through ports? I
> don't quite know how the support for linuxkpi drivers is split between the
> kernel and userland.
>
> Thanks
> GrzegorzJ
>