drm/amd/display: Pass HostVM enable flag into DCN3.1 DML

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[WHY]
Calculations differ with HostVM enabled/disabled, causing underflow in
configs with high refresh displays + scaling due to lower available BW

[HOW]
Check riommu_active in order to pass correct HostVM enablement to DML

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Michael Strauss 2022-02-16 17:01:18 -05:00 • committed by Alex Deucher

parent 3192f1d9b6

commit 863fa85e6a

1 changed files with 1 additions and 0 deletions

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drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c

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