From: Jake Wang <haonan.wang2@amd.com>
Date: Wed, 9 Dec 2020 23:00:18 +0000 (-0500)
Subject: drm/amd/display: updated wm table for Renoir
X-Git-Tag: howlett/maple_spf/20210104~216^2^2~7
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1e7445dcc17444569d9f0acce227aadf095ac989;p=users%2Fjedix%2Flinux-maple.git
drm/amd/display: updated wm table for Renoir
[Why]
For certain timings, Renoir may underflow due to sr exit latency
being too slow.
[How]
Updated wm table for renoir.
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@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 9aa1b63bb161..bad30217c7b4 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
@@ -731,32 +731,32 @@ static struct wm_table ddr4_wm_table_rn = {
.wm_inst = WM_A,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.72,
- .sr_exit_time_us = 9.09,
- .sr_enter_plus_exit_time_us = 10.14,
+ .sr_exit_time_us = 11.90,
+ .sr_enter_plus_exit_time_us = 12.80,
.valid = true,
},
{
.wm_inst = WM_B,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.72,
- .sr_exit_time_us = 11.12,
- .sr_enter_plus_exit_time_us = 12.48,
+ .sr_exit_time_us = 13.18,
+ .sr_enter_plus_exit_time_us = 14.30,
.valid = true,
},
{
.wm_inst = WM_C,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.72,
- .sr_exit_time_us = 11.12,
- .sr_enter_plus_exit_time_us = 12.48,
+ .sr_exit_time_us = 13.18,
+ .sr_enter_plus_exit_time_us = 14.30,
.valid = true,
},
{
.wm_inst = WM_D,
.wm_type = WM_TYPE_PSTATE_CHG,
.pstate_latency_us = 11.72,
- .sr_exit_time_us = 11.12,
- .sr_enter_plus_exit_time_us = 12.48,
+ .sr_exit_time_us = 13.18,
+ .sr_enter_plus_exit_time_us = 14.30,
.valid = true,
},
}