drm/amd/display: Add DCN3.1 DIO

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Add support for the DIO (Display IO) block of DCN3.1 which controls
legacy HDMI/DP stream/link encoding.

HW Blocks:

    +--------+       +--------+
    |  DIO   |       |  DCCG  |
    +--------+       +--------+

Includes some updates to core logic for link encoder assignment and
future support for new high bandwidth output.

v2: squash in unused variable fix (Alex)

Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Nicholas Kazlauskas 2021-05-19 10:58:19 -04:00 • committed by Alex Deucher

parent d8a2b4f3a9

commit cbaf919f33

6 changed files with 710 additions and 0 deletions

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14

drivers/gpu/drm/amd/display/dc/core/dc_link.c

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10

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

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20

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h

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406

drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c

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246

drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.h

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14

drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h

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