drm/amd/pm/smu7: Notify SMU7 of DC->AC switch

Browse source

When ATOM_PP_PLATFORM_CAP_HARDWAREDC is set,
the SMU has a GPIO pin for detecting AC/DC switch
and everything works automatically.

Otherwise when there is no GPIO pin, the SMU can
automatically detect switching to DC, but needs
to be notified of switching to AC.

Use PPSMC_MSG_RunningOnAC to notify the SMC
when switching to AC.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Timur Kristóf 2026-05-19 10:41:56 +02:00 • committed by Alex Deucher

parent ba1fcd1bac

commit 96da0d8661

3 changed files with 28 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

12

drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c

View file

15

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

View file

1

drivers/gpu/drm/amd/pm/powerplay/inc/hwmgr.h

View file