drm/amd/display: add mst port output bw check

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[Why]
when connect one 4k@144hz dp to dsc mst hub, 4k@144hz mode is in valid
mode list. but some mst hub port output bandwidth does not support
4k@144hz.

[How]
add mst port output bandwidth checks, include full_pbn, branch max
throughput mps.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Jerry Zuo <Jerry.Zuo@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

hersen wu 2022-05-29 12:12:32 -04:00 • committed by Alex Deucher

parent ec457f8378

commit f04d275d94

4 changed files with 48 additions and 3 deletions

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8

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

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3

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h

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36

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

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4

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h

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