From: Yongqiang Sun <yongqiang.sun@amd.com>
Date: Fri, 15 Dec 2017 10:26:13 -0500
Subject: drm/amd/display: Use pipe_control_lock instead of tg lock.
Git-commit: 8d6a741bf60005465fd4517393b5e431f68c3f60
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1969,7 +1969,7 @@ static void dcn10_apply_ctx_for_surface(
 
 	tg = top_pipe_to_program->stream_res.tg;
 
-	tg->funcs->lock(tg);
+	dcn10_pipe_control_lock(dc, top_pipe_to_program, true);
 
 	if (num_planes == 0) {
 
@@ -2018,7 +2018,7 @@ static void dcn10_apply_ctx_for_surface(
 	if (num_planes > 0)
 		program_all_pipe_in_tree(dc, top_pipe_to_program, context);
 
-	tg->funcs->unlock(tg);
+	dcn10_pipe_control_lock(dc, top_pipe_to_program, false);
 
 	if (num_planes == 0)
 		false_optc_underflow_wa(dc, stream, tg);