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From: Stylon Wang <stylon.wang@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: <Harry.Wentland@amd.com>, <Sunpeng.Li@amd.com>,
	<Bhawanpreet.Lakha@amd.com>, <Rodrigo.Siqueira@amd.com>,
	<Aurabindo.Pillai@amd.com>, <qingqing.zhuo@amd.com>,
	<roman.li@amd.com>, <wayne.lin@amd.com>, <stylon.wang@amd.com>,
	<solomon.chiu@amd.com>, <pavle.kotarac@amd.com>,
	<agustin.gutierrez@amd.com>, Alvin Lee <alvin.lee2@amd.com>,
	Mario Limonciello <mario.limonciello@amd.com>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	<stable@vger.kernel.org>, Nevenko Stupar <Nevenko.Stupar@amd.com>
Subject: [PATCH 07/14] drm/amd/display: Reduce sdp bw after urgent to 90%
Date: Wed, 31 May 2023 12:48:06 +0800	[thread overview]
Message-ID: <20230531044813.145361-8-stylon.wang@amd.com> (raw)
In-Reply-To: <20230531044813.145361-1-stylon.wang@amd.com>

From: Alvin Lee <alvin.lee2@amd.com>

[Description]
Reduce expected SDP bandwidth due to poor QoS and
arbitration issues on high bandwidth configs

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Nevenko Stupar <Nevenko.Stupar@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 137ff970c9aa..b17f30afa189 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -147,7 +147,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_2_soc = {
 	.urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096,
 	.urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096,
 	.urgent_out_of_order_return_per_channel_vm_only_bytes = 4096,
-	.pct_ideal_sdp_bw_after_urgent = 100.0,
+	.pct_ideal_sdp_bw_after_urgent = 90.0,
 	.pct_ideal_fabric_bw_after_urgent = 67.0,
 	.pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 20.0,
 	.pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, // N/A, for now keep as is until DML implemented
-- 
2.40.1


      parent reply	other threads:[~2023-05-31  4:49 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20230531044813.145361-1-stylon.wang@amd.com>
2023-05-31  4:48 ` [PATCH 01/14] drm/amd/display: add ODM case when looking for first split pipe Stylon Wang
2023-05-31  4:48 ` [PATCH 02/14] drm/amd/display: fix seamless odm transitions Stylon Wang
2023-05-31  4:48 ` [PATCH 03/14] drm/amd/display: fix dcn315 single stream crb allocation Stylon Wang
2023-05-31  4:48 ` Stylon Wang [this message]

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