drm/amd/display: Don't allow IPS2 in D0 for RCG Dynamic

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[Why]
The existing changes to the DPMS off flag should help reduce
accidental entry, but this change further restricts the entry condition.

[How]
Record last power state as sent to DMUB.
Don't send IPS2 allow if it's D0.

Reviewed-by: Ovidiu Bunea <ovidiu.bunea@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Nicholas Kazlauskas 2024-11-13 13:32:36 -05:00 • committed by Alex Deucher

parent 70fec46519

commit 8488646966

2 changed files with 5 additions and 1 deletions

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5

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

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1

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

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