This is a note to let you know that I've just added the patch titled
drm/amd/display: Update latencies on DCN321
to the 6.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-display-update-latencies-on-dcn321.patch
and it can be found in the queue-6.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c580d758ba1b79de9ea7a475d95a6278736ae462 Mon Sep 17 00:00:00 2001
From: Dillon Varone <Dillon.Varone@xxxxxxx>
Date: Thu, 20 Oct 2022 11:46:47 -0400
Subject: drm/amd/display: Update latencies on DCN321
From: Dillon Varone <Dillon.Varone@xxxxxxx>
commit c580d758ba1b79de9ea7a475d95a6278736ae462 upstream.
Update DF related latencies based on new measurements.
Tested-by: Mark Broadworth <mark.broadworth@xxxxxxx>
Reviewed-by: Jun Lei <Jun.Lei@xxxxxxx>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Signed-off-by: Dillon Varone <Dillon.Varone@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 6.0.x
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c
@@ -119,15 +119,15 @@ struct _vcs_dpi_soc_bounding_box_st dcn3
},
},
.num_states = 1,
- .sr_exit_time_us = 12.36,
- .sr_enter_plus_exit_time_us = 16.72,
+ .sr_exit_time_us = 19.95,
+ .sr_enter_plus_exit_time_us = 24.36,
.sr_exit_z8_time_us = 285.0,
.sr_enter_plus_exit_z8_time_us = 320,
.writeback_latency_us = 12.0,
.round_trip_ping_latency_dcfclk_cycles = 263,
- .urgent_latency_pixel_data_only_us = 4.0,
- .urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
- .urgent_latency_vm_data_only_us = 4.0,
+ .urgent_latency_pixel_data_only_us = 9.35,
+ .urgent_latency_pixel_mixed_with_vm_data_us = 9.35,
+ .urgent_latency_vm_data_only_us = 9.35,
.fclk_change_latency_us = 20,
.usr_retraining_latency_us = 2,
.smn_latency_us = 2,
Patches currently in stable-queue which might be from Dillon.Varone@xxxxxxx are
queue-6.0/drm-amd-display-update-latencies-on-dcn321.patch
