From: Charlene Liu <Charlene.Liu@xxxxxxx> [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@xxxxxxx> Reviewed-by: Roman Li <roman.li@xxxxxxx> Signed-off-by: Charlene Liu <Charlene.Liu@xxxxxxx> Signed-off-by: Alex Hung <alex.hung@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/hubbub/dcn35/dcn35_hubbub.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/dc/hubbub/dcn35/dcn35_hubbub.c b/drivers/gpu/drm/amd/display/dc/hubbub/dcn35/dcn35_hubbub.c index 6293173ba2b9..5eb3da8d5206 100644 --- a/drivers/gpu/drm/amd/display/dc/hubbub/dcn35/dcn35_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/hubbub/dcn35/dcn35_hubbub.c @@ -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, -- 2.34.1
