drm/amd/display: Add Debug Log for MST and PCON

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Add log for MST/PCON specific use case:
1. If DP1.2 hub where gives reduced link bw and no dsc support.
2. If less than 4-lane configuration where gives reduced bw.
3. If FRL PCON enabled for asic.
4. Track MST sink count.

Reviewed-by: Hersen Wu <Hersenxs.Wu@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Fangzhi Zuo 2023-01-16 16:29:26 -05:00 • committed by Alex Deucher

parent 918d516643

commit e3834491b9

3 changed files with 26 additions and 1 deletions

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3

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

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12

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

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12

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

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