drm/amd/display: add mst port output bw check
authorhersen wu <hersenxs.wu@amd.com>
Sun, 29 May 2022 16:12:32 +0000 (12:12 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 21 Jun 2022 22:17:23 +0000 (18:17 -0400)
commitf04d275d94e164d24516c32437c988a323018f63
treeb140d57f1e5060356316ecf285b8dcab081bf54e
parentec457f8378901d673b841e81d289b0165286db7f
drm/amd/display: add mst port output bw check

[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>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h