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drm/amd/display: Set max VTotal cap for dcn401

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[WHY&HOW]
Set max VTotal cap for dcn401 because VTotal
register is only 16 bits wide on dcn401.

Reviewed-by: Chris Park <chris.park@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@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>
This commit is contained in:
Dillon Varone 2024-08-02 13:50:10 -04:00 committed by Alex Deucher
parent 7a1eb66809
commit 24f483ba49
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
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@ -1822,6 +1822,7 @@ static bool dcn401_resource_construct(
dc->caps.edp_dsc_support = true;
dc->caps.extended_aux_timeout_support = true;
dc->caps.dmcub_support = true;
dc->caps.max_v_total = (1 << 15) - 1;
if (ASICREV_IS_GC_12_0_1_A0(dc->ctx->asic_id.hw_internal_rev))
dc->caps.dcc_plane_width_limit = 7680;