drm/amd/display: Migrate color manager HW and fix MCM blend LUT issues

Combine two related color manager improvements:

1. Migrate MCM/RMCM, shaper and 3DLUT HW programming to dc_plane_cm
- Conti

drm/amd/display: Migrate color manager HW and fix MCM blend LUT issues

Combine two related color manager improvements:

1. Migrate MCM/RMCM, shaper and 3DLUT HW programming to dc_plane_cm
- Continue convergence with upstream Color Manager refactor
- Migrate MCM/RMCM, shaper and 3DLUT programming for dcn401+ to dc_plane_cm
- Unify MCM programming across both legacy and 3DLUT DMA paths
- Add 3DLUT DMA broadcast support for multi-pipe planes

2. Reprogram MCM blend LUT on blend_enable falling edge
- Fix issue where SDR desktop remained desaturated after video playback
- Detect blend_enable falling edge (1->0) in surface update detection
- Force MCM LUT reprogramming on blend state change

Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Rafal Ostrowski <rafal.ostrowski@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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drm/amd/display: Add FFE level defaults

[How & Why]
Follow-up change to set defaults for HDMI FRL training

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Relja Vojvod

drm/amd/display: Add FFE level defaults

[How & Why]
Follow-up change to set defaults for HDMI FRL training

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Relja Vojvodic <Relja.Vojvodic@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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drm/amd/display: Add new sources for DCN6

Add DCN6 code to DC, DML2, and DMUB

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Ivan

drm/amd/display: Add new sources for DCN6

Add DCN6 code to DC, DML2, and DMUB

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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