drm/amd/display: Ensure requested LSDMA BW is within the SOP bound

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[Why & How]
- When calculating the required LSDMA bandwidth, it must be capped to the
  global maximum LSDMA BW.
- Also check the calculated bandwidth against what is available in the
  SOP
- Rework code to only compute alt-ch params if alt-ch is in use
- Also remove some unused fields
- Fix whitespace errors

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Alvin Lee 2026-08-19 14:30:07 -04:00 • committed by Alex Deucher

parent 281eacf0c1

commit c993759b2a

8 changed files with 77 additions and 18 deletions

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12

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn6_soc_bb.h

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1

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_soc_parameter_types.h

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1

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h

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33

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_calcs_dchub.c

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37

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn6_funcs_mode_support.c

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3

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h

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7

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_utm_soc_bb/dml2_utm_soc_bb_dcn6.c

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1

drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/inc/dml2_internal_shared_types.h

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