[pull] amdgpu dc drm-next-4.15-dc

[Chris Wilson]

Quoting Alex Deucher (2017-09-27 02:36:07)
> Hi Dave,
> 
> Initial pull request for DC support.  We've completed a substantial amount of
> the cleanup and restructuring in our TODO.  There are a few additional
> cleanups that we are continuing to work on, but I don't think there are any
> showstoppers remaining. We've tried to maintain most of the history for bisect
> purposes.  Harry made sure all the commits build.  We've enabled DC for vega10
> and Raven.  Pre-vega10 parts can be enabled via module parameter (amdgpu.dc=1),
> but are not enabled by default at this point until we get further testing
> upstream.

Just a heads up, allyesconfig dies:
drivers/gpu/drm/amd/powerplay/smumgr/ci_smc.o: In function `ci_send_msg_to_smc':
ci_smc.c:(.text+0x1620): multiple definition of `ci_send_msg_to_smc'
drivers/gpu/drm/radeon/ci_smc.o:ci_smc.c:(.text+0x500): first defined here

From commit 9f4b35411cfed96d4f9f092b2fed14905af84d89
Author: Rex Zhu <Rex.Zhu at amd.com>
Date:   Fri Sep 8 19:34:33 2017 +0800

    drm/amd/powerplay: add CI asics support to smumgr (v3)

Probably already reported, in which case sorry for the noise.
-Chris