drm/amd/display: Add a check for idle power optimization

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[why]
Need a helper function to check idle power is allowed
so that dc doesn't access any registers that are power-gated.

[how]
Implement helper function to check idle power optimization.
Enable a hook to check if detection is allowed.

Signed-off-by: Sung Joon Kim <Sungjoon.Kim@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Sung Joon Kim 2023-09-24 12:34:11 -04:00 • committed by Alex Deucher

parent 05b78277ef

commit 434cf7af49

3 changed files with 21 additions and 1 deletions

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20

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

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1

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

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1

drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c

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