From 3b8b44a431b76be2645806cfa0494399c3dbbd85 Mon Sep 17 00:00:00 2001
From: Charlene Liu <Charlene.Liu@amd.com>
Date: Fri, 11 Feb 2022 20:55:25 -0500
Subject: drm/amd/display: add debug option to bypass ssinfo from bios for
 dcn315

[Why & How]
Add debug option to bypass ssinfo from BIOS for dcn315.

Reviewed-by: Park, Chris <Chris.Park@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'drivers/gpu/drm/amd/display/dc/dce')

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c
index 1435d7bc1f21..07359eb89efc 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c
@@ -450,6 +450,8 @@ void dce_clock_read_ss_info(struct dce_clk_mgr *clk_mgr_dce)
 				clk_mgr_dce->dprefclk_ss_percentage =
 						info.spread_spectrum_percentage;
 			}
+			if (clk_mgr_dce->base.ctx->dc->debug.ignore_dpref_ss)
+				clk_mgr_dce->dprefclk_ss_percentage = 0;
 		}
 	}
 }
-- 
cgit