drm/amd/display: Add a hysteresis to BTR frame multiplier

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[Why]
Flickering is observed on some displays when the number of inserted BTR
frames changes frequently.

[How]
Add in a margin of drift to prevent the inserted number of frames from
jumping around too frequently.

Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Aric Cyr 2019-03-01 10:24:37 -05:00 • committed by Alex Deucher

parent 7fe538a4d6

commit 9070d18f89

1 changed files with 22 additions and 2 deletions

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drivers/gpu/drm/amd/display/modules/freesync/freesync.c

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