drm/amd/display: Remove reliance on pipe indexing

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[Why]
In certain instances, there was a reliance on pipe indexing being accurate. However, this
assumption fails with harvesting of pipes 1 or 2, which can occur in production B6 parts.
HW hang would occur as a result.

[How]
Use hubp index for mpcc, and do mpc_init for all theoretical pipes (including disabled ones).

Signed-off-by: Noah Abradjian <noah.abradjian@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Noah Abradjian 2019-11-29 13:48:36 -05:00 • committed by Alex Deucher

parent 32ff3217d6

commit 1380c1bf5b

2 changed files with 3 additions and 2 deletions

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3

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

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2

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

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