[Bug 105880] [dc] No support for LVDS or VGA connectors (Cannot find any crtc or sizes)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105880

--- Comment #27 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to Pontus Gråskæg from comment #26)
> Given the commit to the kernel
> 
> https://lkml.org/lkml/2018/7/6/30
> 
> and the same commit going into the 4.18 tree
> 
> https://patchwork.freedesktop.org/patch/230643/
> 
> can Harry Wentland or Alex Deucher clarify if DC code is planned at some
> later stage to support Bonaire, Kabini, Kaveri, and Mullins rather than
> falling back to the non-DC driver?
> 
> Is there anything owners of such hardware can do to assist?

Someone needs to implement support for LVDS and DACs.  It's not a high priority
for us at the moment.  If someone wants to take a stab at it, we'd be happy to
review the patches.  I think some of the older DAL2 code had some support for
these encoders.  You could use that or the non-DC code as reference.  Old DAL2
code for reference:
https://cgit.freedesktop.org/~agd5f/linux/tree/drivers/gpu/drm/amd/dal?h=amd-15.31

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