drm/amd/display: fix dccg root clock optimization related hang

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[Why]
enable dpp rcg before we disable dppclk in hw_init cause system
hang/reboot

[How]
we remove dccg rcg related code from init into a separate function and
call it after we init pipe

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Qili Lu <qili.lu@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Qili Lu 2024-08-21 16:26:13 -04:00 • committed by Alex Deucher

parent 5359d5bc97

commit f5a972dfe3

4 changed files with 15 additions and 5 deletions

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14

drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c

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1

drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.h

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4

drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c

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1

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

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