From: Joseph Gravenor <joseph.gravenor@amd.com>
Date: Tue, 12 Nov 2019 22:48:36 +0000 (-0500)
Subject: drm/amd/display: update sr latency for renoir when using lpddr4
X-Git-Tag: v5.6-rc1~114^2~21^2~48
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=e0600a94343cc772b33705015cb8c05bac32bccb;p=linux.git

drm/amd/display: update sr latency for renoir when using lpddr4

[Why]
DF team has produced more optimized sr latency numbers, for lpddr4

[How]
change the sr laency in the lpddr4 wm table to the new latency
number

Signed-off-by: Joseph Gravenor <joseph.gravenor@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
index 901e7035bf8e..37230d3d94a0 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
@@ -563,32 +563,32 @@ struct wm_table lpddr4_wm_table = {
 			.wm_inst = WM_A,
 			.wm_type = WM_TYPE_PSTATE_CHG,
 			.pstate_latency_us = 11.65333,
-			.sr_exit_time_us = 12.5,
-			.sr_enter_plus_exit_time_us = 17.0,
+			.sr_exit_time_us = 5.32,
+			.sr_enter_plus_exit_time_us = 6.38,
 			.valid = true,
 		},
 		{
 			.wm_inst = WM_B,
 			.wm_type = WM_TYPE_PSTATE_CHG,
 			.pstate_latency_us = 11.65333,
-			.sr_exit_time_us = 12.5,
-			.sr_enter_plus_exit_time_us = 17.0,
+			.sr_exit_time_us = 9.82,
+			.sr_enter_plus_exit_time_us = 11.196,
 			.valid = true,
 		},
 		{
 			.wm_inst = WM_C,
 			.wm_type = WM_TYPE_PSTATE_CHG,
 			.pstate_latency_us = 11.65333,
-			.sr_exit_time_us = 12.5,
-			.sr_enter_plus_exit_time_us = 17.0,
+			.sr_exit_time_us = 9.89,
+			.sr_enter_plus_exit_time_us = 11.24,
 			.valid = true,
 		},
 		{
 			.wm_inst = WM_D,
 			.wm_type = WM_TYPE_PSTATE_CHG,
 			.pstate_latency_us = 11.65333,
-			.sr_exit_time_us = 12.5,
-			.sr_enter_plus_exit_time_us = 17.0,
+			.sr_exit_time_us = 9.748,
+			.sr_enter_plus_exit_time_us = 11.102,
 			.valid = true,
 		},
 	}