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From: Eryk Brol <eryk.brol@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Sung Lee <sung.lee@amd.com>, Eryk Brol <eryk.brol@amd.com>,
	Sunpeng.Li@amd.com, Harry.Wentland@amd.com,
	Qingqing.Zhuo@amd.com, Rodrigo.Siqueira@amd.com,
	Aurabindo.Pillai@amd.com,
	Michael Strauss <michael.strauss@amd.com>,
	Yongqiang Sun <yongqiang.sun@amd.com>,
	Bhawanpreet.Lakha@amd.com, bindu.r@amd.com
Subject: [PATCH 15/17] drm/amd/display: Revert DCN2.1 dram_clock_change_latency update
Date: Fri, 4 Dec 2020 16:28:48 -0500	[thread overview]
Message-ID: <20201204212850.224596-16-eryk.brol@amd.com> (raw)
In-Reply-To: <20201204212850.224596-1-eryk.brol@amd.com>

From: Michael Strauss <michael.strauss@amd.com>

[Why]
New value breaks VSR on high refresh panels, reverting until a fix is developed

Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
index b000b43a820d..1c88d2edd381 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -296,7 +296,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_1_soc = {
 	.num_banks = 8,
 	.num_chans = 4,
 	.vmm_page_size_bytes = 4096,
-	.dram_clock_change_latency_us = 11.72,
+	.dram_clock_change_latency_us = 23.84,
 	.return_bus_width_bytes = 64,
 	.dispclk_dppclk_vco_speed_mhz = 3600,
 	.xfc_bus_transport_time_us = 4,
-- 
2.25.1

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  parent reply	other threads:[~2020-12-04 21:31 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-04 21:28 [PATCH 00/17] DC Patches Dec 7, 2020 Eryk Brol
2020-12-04 21:28 ` [PATCH 01/17] drm/amd/display: Implement VSIF V3 extended refresh rate feature Eryk Brol
2020-12-04 21:28 ` [PATCH 02/17] drm/amd/display: Set FixRate bit in VSIF V3 Eryk Brol
2020-12-04 21:28 ` [PATCH 03/17] drm/amd/display: NULL pointer error during compliance test Eryk Brol
2020-12-04 21:28 ` [PATCH 04/17] drm/amd/display: Expose clk_mgr functions for reuse Eryk Brol
2020-12-04 21:28 ` [PATCH 05/17] drm/amd/display: Add support for runtime feature detection command Eryk Brol
2020-12-04 21:28 ` [PATCH 06/17] drm/amd/display: Set default bits per channel Eryk Brol
2020-12-04 21:28 ` [PATCH 07/17] drm/amd/display: Don't check seamless boot in power down HW by timeout Eryk Brol
2020-12-04 21:28 ` [PATCH 08/17] drm/amd/display: Change to IMMEDIATE mode from FRAME mode Eryk Brol
2020-12-04 21:28 ` [PATCH 09/17] drm/amd/display: Use provided offset for DPG generation Eryk Brol
2020-12-04 21:28 ` [PATCH 10/17] drm/amd/display: Only one display lights up while using MST hub Eryk Brol
2020-12-04 21:28 ` [PATCH 11/17] drm/amd/display: Prevent bandwidth overflow Eryk Brol
2020-12-04 21:28 ` [PATCH 12/17] drm/amd/display: Add wm table for Renoir Eryk Brol
2020-12-04 21:28 ` [PATCH 13/17] drm/amd/display: Fixed the audio noise during mode switching with HDCP mode on Eryk Brol
2020-12-04 21:28 ` [PATCH 14/17] drm/amd/display: Enable gpu_vm_support for dcn3.01 Eryk Brol
2020-12-07 14:40   ` Deucher, Alexander
2020-12-07 16:16     ` Brol, Eryk
2020-12-04 21:28 ` Eryk Brol [this message]
2020-12-04 21:28 ` [PATCH 16/17] drm/amd/display: [FW Promotion] Release 0.0.45 Eryk Brol
2020-12-04 21:28 ` [PATCH 17/17] drm/amd/display: 3.2.115 Eryk Brol
2020-12-07 16:05 ` [PATCH 00/17] DC Patches Dec 7, 2020 Harry Wentland

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