[PATCH 04/14] Revert: "drm/amd/display: Enable urgent latency adjustment on DCN35"

Ray Wu ray.wu at amd.com
Wed May 7 02:34:48 UTC 2025


From: Gabe Teeger <Gabe.Teeger at amd.com>

This reverts commit 2b2e690fcb12("drm/amd/display: Enable urgent latency adjustment on DCN35")

Reason for revert: Negative power impact.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Signed-off-by: Gabe Teeger <Gabe.Teeger at amd.com>
Signed-off-by: Ray Wu <ray.wu at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
index d9159ca55412..92f0a099d089 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
@@ -195,9 +195,9 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = {
 	.dcn_downspread_percent = 0.5,
 	.gpuvm_min_page_size_bytes = 4096,
 	.hostvm_min_page_size_bytes = 4096,
-	.do_urgent_latency_adjustment = 1,
+	.do_urgent_latency_adjustment = 0,
 	.urgent_latency_adjustment_fabric_clock_component_us = 0,
-	.urgent_latency_adjustment_fabric_clock_reference_mhz = 3000,
+	.urgent_latency_adjustment_fabric_clock_reference_mhz = 0,
 };
 
 void dcn35_build_wm_range_table_fpu(struct clk_mgr *clk_mgr)
-- 
2.43.0



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