From 04d0ea5c5579ea9c7a1eaca6fdab9f22232f9b82 Mon Sep 17 00:00:00 2001
From: Jake Wang <haonan.wang2@amd.com>
Date: Fri, 1 Oct 2021 17:14:21 -0400
Subject: drm/amd/display: Moved dccg init to after bios golden init
Git-commit: 2ef8ea23942f4c2569930c34e7689a0cb1b232cc
Patch-mainline: v5.15
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

[Why]
bios_golden_init will override dccg_init during init_hw.

[How]
Move dccg_init to after bios_golden_init.

Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
index 3f2333ec67e2..3afa1159a5f7 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
@@ -76,10 +76,6 @@ void dcn31_init_hw(struct dc *dc)
 	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
 
-	// Initialize the dccg
-	if (res_pool->dccg->funcs->dccg_init)
-		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
-
 	if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
 
 		REG_WRITE(REFCLK_CNTL, 0);
@@ -106,6 +102,9 @@ void dcn31_init_hw(struct dc *dc)
 		hws->funcs.bios_golden_init(dc);
 		hws->funcs.disable_vga(dc->hwseq);
 	}
+	// Initialize the dccg
+	if (res_pool->dccg->funcs->dccg_init)
+		res_pool->dccg->funcs->dccg_init(res_pool->dccg);
 
 	if (dc->debug.enable_mem_low_power.bits.dmcu) {
 		// Force ERAM to shutdown if DMCU is not enabled
-- 
2.38.1