drm/amd/display: Improve LFC behaviour

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[Why]
There can be some unsynchronized frames when entering/exiting
LFC.  This may cause tearing or stuttering at such transitions.

[How]
Add a enter/exit margin to algorithm to smoothly transition into
and out of LFC without desynchronizing frames.

Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Reza Amini <Reza.Amini@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Acked-by: Sivapiriyan Kumarasamy <Sivapiriyan.Kumarasamy@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Aric Cyr 2019-09-03 18:18:08 -04:00 • committed by Alex Deucher

parent ec4388a267

commit bb2746ac91

2 changed files with 20 additions and 13 deletions

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32

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

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1

drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h

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