drm/amd/display: Add hook for MST root branch info
authorNikola Cornij <nikola.cornij@amd.com>
Wed, 4 Jul 2018 23:05:16 +0000 (19:05 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 16 Jul 2018 21:11:49 +0000 (16:11 -0500)
commit2068afe649ae36f422ced4ecf0efee79e2ff5154
tree42f10920f39fd91072a0020f7083644699572379
parentbf53769d9fc95c89d2f1588463c268c3af987748
drm/amd/display: Add hook for MST root branch info

This allows DM to do any necessary updates before MST discovery starts.

Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
drivers/gpu/drm/amd/display/dc/core/dc_link.c
drivers/gpu/drm/amd/display/dc/dm_helpers.h