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From: brichang <Brian.Chang@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: stylon.wang@amd.com, Brian Chang <Brian.Chang@amd.com>,
	Sunpeng.Li@amd.com, Harry.Wentland@amd.com,
	qingqing.zhuo@amd.com, Rodrigo.Siqueira@amd.com,
	roman.li@amd.com, solomon.chiu@amd.com, Aurabindo.Pillai@amd.com,
	wayne.lin@amd.com, Jun Lei <Jun.Lei@amd.com>,
	Bhawanpreet.Lakha@amd.com,
	Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>,
	agustin.gutierrez@amd.com, pavle.kotarac@amd.com
Subject: [PATCH 05/22] drm/amd/display: Update Z8 watermarks for DCN314
Date: Fri, 18 Nov 2022 20:59:18 +0800	[thread overview]
Message-ID: <20221118125935.4013669-6-Brian.Chang@amd.com> (raw)
In-Reply-To: <20221118125935.4013669-1-Brian.Chang@amd.com>

From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>

[Why & How]
Update from HW, need to lower watermarks for enter/enter+exit latency.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Brian Chang <Brian.Chang@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
index 1dd51c4b6804..6a1cf6adea77 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
@@ -149,8 +149,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_14_soc = {
 	.num_states = 5,
 	.sr_exit_time_us = 16.5,
 	.sr_enter_plus_exit_time_us = 18.5,
-	.sr_exit_z8_time_us = 442.0,
-	.sr_enter_plus_exit_z8_time_us = 560.0,
+	.sr_exit_z8_time_us = 280.0,
+	.sr_enter_plus_exit_z8_time_us = 350.0,
 	.writeback_latency_us = 12.0,
 	.dram_channel_width_bytes = 4,
 	.round_trip_ping_latency_dcfclk_cycles = 106,
-- 
2.25.1


  parent reply	other threads:[~2022-11-18 16:59 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-18 12:59 [PATCH 00/22] DC Patches November 19, 2022 brichang
2022-11-18 12:59 ` [PATCH 01/22] drm/amd/display: new ABM config 2 brichang
2022-11-18 12:59 ` [PATCH 02/22] drm/amd/display: Add margin on DRR vblank start for subvp brichang
2022-11-18 12:59 ` [PATCH 03/22] drm/amd/display: No display after resume from WB/CB brichang
2022-11-18 12:59 ` [PATCH 04/22] drm/amd/display: Limit HW cursor size of >= 4k brichang
2022-11-18 12:59 ` brichang [this message]
2022-11-18 12:59 ` [PATCH 06/22] drm/amd/display: Add Z8 allow states to z-state support list brichang
2022-11-18 12:59 ` [PATCH 07/22] drm/amd/display: Update soc bounding box for dcn32/dcn321 brichang
2022-11-18 12:59 ` [PATCH 08/22] drm/amd/display: Use dummy pstate latency for subvp when needed on dcn32 brichang
2022-11-18 12:59 ` [PATCH 09/22] drm/amd/display: Add check for DET fetch latency hiding for dcn32 brichang
2022-11-18 12:59 ` [PATCH 10/22] drm/amd/display: Check if PSR enabled when entering MALL brichang
2022-11-18 12:59 ` [PATCH 11/22] drm/amd/display: Use viewport height for subvp mall allocation size brichang
2022-11-18 12:59 ` [PATCH 12/22] drm/amd/display: Add YCBCR2020 coefficients to CSC matrix brichang
2022-11-18 12:59 ` [PATCH 13/22] drm/amd/display: Phase 1 Add Bw Allocation source and header files brichang
2022-11-18 12:59 ` [PATCH 14/22] drm/amd/display: No display after resume from WB/CB[modify] brichang
2022-11-18 12:59 ` [PATCH 15/22] drm/amd/display: Add debug options for increasing phantom lines brichang
2022-11-18 12:59 ` [PATCH 16/22] drm/amd/display: Retain phantom plane/stream if validation fails brichang
2022-11-18 12:59 ` [PATCH 17/22] drm/amd/display: Fix display corruption w/ VSR enable brichang
2022-11-18 12:59 ` [PATCH 18/22] drm/amd/display: Avoid setting pixel rate divider to N/A brichang
2022-11-18 12:59 ` [PATCH 19/22] drm/amd/display: Use new num clk levels struct for max mclk index brichang
2022-11-18 12:59 ` [PATCH 20/22] drm/amd/display: Revert check for phantom BPP brichang
2022-11-18 12:59 ` [PATCH 21/22] drm/amd/display: Fix rotated cursor offset calculation brichang
2022-11-18 12:59 ` [PATCH 22/22] SWDEV-1 - dc: 3.2.213 brichang
2022-11-18 20:12   ` Alex Deucher
2022-11-19  1:55     ` Chang, Brian

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