drm/amd/display: ABM pause toggle

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[why]
Allow ABM states to be transferred across display
adapters for smooth display transitions.

[how]
We call DMUB to pause and get ABM states. We
transfer data to other gpu, and deliver data and
ask ABM to un-pause.

Reviewed-by: Harry Vanzylldejong <harry.vanzylldejong@amd.com>
Acked-by: Alan Liu <haoping.liu@amd.com>
Signed-off-by: Reza Amini <reza.amini@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Reza Amini 2023-06-26 14:50:01 -04:00 • committed by Alex Deucher

parent 085f7bd955

commit da915efaa2

7 changed files with 277 additions and 0 deletions

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53

drivers/gpu/drm/amd/display/dc/core/dc.c

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7

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

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28

drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c

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46

drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c

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6

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

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6

drivers/gpu/drm/amd/display/dc/inc/hw/abm.h

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131

drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h

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