drm/amd/display: Fix dcn21 num_states

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[Why]
DML expects num_states to exclude the duplicate state.

[How]
Set num_states to correct value to prevent array off-by-one error.  Also
refactor max clock level code for diags.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Dmytro Laktyushkin 2020-03-09 17:11:16 -04:00 • committed by Alex Deucher

parent 00755bb79c

commit c42656f8fc

4 changed files with 18 additions and 30 deletions

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2

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

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37

drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c

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2

drivers/gpu/drm/amd/display/dc/dml/dc_features.h

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7

drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h

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