drm/amd/display: enable optional pipe split for single display

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also refactor debug option.  now pipe_split_policy are
dynamic = no hack around dcn_calcs.  will split based on HW recommendation
avoid = avoid split if we can support the config with higher voltage
avoid_multi_display = allow split with single display output.

force_single_disp_pipe_split
force single display to pipe split to improve stutter efficiency
by using DET buffers using 2 HUBP.

Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Tony Cheng 2017-09-25 10:52:07 -04:00 • committed by Alex Deucher

parent e778915c91

commit db64fbe732

3 changed files with 51 additions and 10 deletions

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44

drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c

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9

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

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8

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c

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