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drm/amd/display: Clear cached watermark after resume

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[WHY]
Driver could skip program watermarks when resume from S0i3/S4.

[HOW]
Clear the cached one first to make sure new value gets applied.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu 2024-09-05 17:28:12 -04:00 committed by Alex Deucher
parent 199888aa25
commit fa8a4d3659
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/amd/display/dc/hubbub/dcn35/dcn35_hubbub.c
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@ -545,6 +545,7 @@ static void hubbub35_init(struct hubbub *hubbub)
DCHUBBUB_ARB_MAX_REQ_OUTSTAND, 256,
DCHUBBUB_ARB_MIN_REQ_OUTSTAND, 256);
memset(&hubbub2->watermarks.a.cstate_pstate, 0, sizeof(hubbub2->watermarks.a.cstate_pstate));
}
/*static void hubbub35_set_request_limit(struct hubbub *hubbub,