[AMDGPU][TAHITI XT] new display code

[Alex Deucher]

On Mon, Jan 29, 2018 at 5:35 PM,  <sylvain.bertrand at gmail.com> wrote:
> On Mon, Jan 29, 2018 at 03:40:34PM -0500, Alex Deucher wrote:
>> On Mon, Jan 29, 2018 at 3:34 PM,  <sylvain.bertrand at gmail.com> wrote:
>> > As far as I can remember, not for the new features ofc, DCE programming for GCN1
>> > is very similar if not mostly the same than DCE programming for GCN1.1/2 which
>> > is supported by the new DC code.
>> >
>> > Is this planned?
>>
>> Right, as I said, you could definitely leverage the support for DCE8
>> in DC.  The blocks are very similar.  At the moment, we have no plans
>> to implement DC support for DCE6.
>
> Ok.
>
> Which git repo/branch has the most up-to-date DCE code?

https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-drm-next

>
> Is there a fine granularity selection system for supported DCE features? That
> to expose the available/implemented DCE features to userland DRM (I can test only discret
> tahiti XT code paths).
>
> I'll try to get something working.

amdgpu only supports SI and newer parts so you don't have to worry
about DCE6-based APUs in this case.  The current DCE8, 10, and 11
implementations share a lot of code.  Your best bet would be to follow
a similar model for DCE6.

Alex