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Tue, 10 Nov 2026 19:43:01 -0600 From: Wayne Lin To: CC: Harry Wentland , Leo Li , Aurabindo Pillai , Roman Li , Wayne Lin , Tom Chung , "Fangzhi Zuo" , Dan Wheeler , Ray Wu , Ivan Lipski , Alex Hung , James Lin , Chenyu Chen , Charlene Liu Subject: [PATCH 41/74] drm/amd/display: Increase the DCN42 DDR5 stutter latency Date: Wed, 11 Nov 2026 09:28:47 +0800 Message-ID: <20261111014100.3596072-42-Wayne.Lin@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261111014100.3596072-1-Wayne.Lin@amd.com> References: <20261111014100.3596072-1-Wayne.Lin@amd.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF0000231F:EE_|SA3PR12MB214768:EE_ X-MS-Office365-Filtering-Correlation-Id: 596b667d-cd38-4cf9-9bf6-08df3f952148 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|82310400026|1800799024|376014|36860700016|23010399003|261028144727099003|11063799006|56012099006|261021123027099003|261021121427099003|10067099003|261022105027099003|261026140227099003|261102123227099003|261009223027099003|22082099003|18002099003|3023799007; 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Cc: Roman Li Signed-off-by: Charlene Liu Signed-off-by: Wayne Lin --- .../display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42_soc_bb.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42_soc_bb.h b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42_soc_bb.h index 139e0152fcd6..876a6f1cad74 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42_soc_bb.h +++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42_soc_bb.h @@ -224,8 +224,8 @@ static struct dml2_soc_power_management_parameters dcn42_ddr5_power_management_p .dram_clk_change_blackout_us = 36, .fclk_change_blackout_us = 0, .g7_ppt_blackout_us = 0, - .stutter_enter_plus_exit_latency_us = 25.0, - .stutter_exit_latency_us = 23.0, + .stutter_enter_plus_exit_latency_us = 28.0, + .stutter_exit_latency_us = 26.0, .z8_stutter_enter_plus_exit_latency_us = 300, .z8_stutter_exit_latency_us = 200, }; -- 2.43.0