From: Charlene Liu <charlene....@amd.com>
[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.l...@amd.com>
Reviewed-by: Roman Li <roman...@amd.com>
Signed-off-by: Charlene Liu <charlene....@amd.com>
Signed-off-by: Alex Hung <alex.h...@amd.com>
---
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
