drm/amd/display: Fix MST BW calculation Regression

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[Why & How]
Revert commit 8b2cb32cf0
("drm/amd/display: FEC overhead should be checked once for mst slot nums")
Because causes bw calculation regression

Cc: mario.limonciello@amd.com
Cc: alexander.deucher@amd.com
Reported-by: jirislaby@kernel.org
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3495
Closes: https://bugzilla.suse.com/show_bug.cgi?id=1228093
Reviewed-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 12dbb3ed21)
Cc: stable@vger.kernel.org

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This commit is contained in:

Fangzhi Zuo 2024-07-29 10:23:03 -04:00 • committed by Alex Deucher

parent 0dbb81d441

commit 338567d176

2 changed files with 27 additions and 9 deletions

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33

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

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3

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

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