From: Tony Cheng <tony.cheng@amd.com>
Date: Thu, 5 Oct 2017 14:38:46 -0400
Subject: drm/amd/display: default force_single_disp_pipe_split = 1 on RV
Git-commit: e92b44fdee3ec0b679bacdb9c7e95e55699167f0
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
1080p idle, stutter efficiency goes up from 95.8% to 97.8%
result in 5mW saving from APU and 8mW saving from DDR4
Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@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_resource.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -430,6 +430,7 @@ static const struct dc_debug debug_defau
.disable_pplib_wm_range = false,
.pplib_wm_report_mode = WM_REPORT_DEFAULT,
.pipe_split_policy = MPC_SPLIT_AVOID_MULT_DISP,
+ .force_single_disp_pipe_split = true,
.disable_dcc = DCC_ENABLE,
.voltage_align_fclk = true,
.disable_stereo_support = true,