Hersen Wu 8b2cb32cf0 drm/amd/display: FEC overhead should be checked once for mst slot nums
[Why] Mst slot nums equals to pbn / pbn_div.

Today, pbn_div refers to dm_mst_get_pbn_divider ->
dc_link_bandwidth_kbps. In dp_link_bandwidth_kbps,
which includes effect of FEC overhead already. As
result, we should not include effect of FEC overhead
again while calculating pbn by kpbs_to_peak_pbn
(stream_kbps).

[How] Include FEC overhead within dp_link_bandwidth_kbps.
Remove FEC overhead from kbps_to_peak_pbn.

Reviewed-by: Wayne Lin <wayne.lin@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-04-09 21:59:29 -04:00
2023-12-20 19:26:31 -05:00
2022-09-28 09:02:20 +02:00
2024-02-27 13:47:01 +01:00
2024-02-25 15:46:06 -08:00

Linux kernel
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