This is a note to let you know that I've just added the patch titled
drm/amd/display: Update Z8 SR exit/enter latencies
to the 6.2-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-z8-sr-exit-enter-latencies.patch
and it can be found in the queue-6.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit cbec73d93ff6c22e3de4c48b7a6b273357fb0227
Author: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Date: Wed Feb 1 13:38:05 2023 -0500
drm/amd/display: Update Z8 SR exit/enter latencies
[ Upstream commit 9b0f51e8449f6f76170fda6a8dd9c417a43ce270 ]
[Why]
Request from HW team to update the latencies to the new measured values.
[How]
Update the values in the bounding box.
Reviewed-by: Charlene Liu <Charlene.Liu@xxxxxxx>
Acked-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Stable-dep-of: 8f586cc16c1f ("drm/amd/display: Change default Z8 watermark values")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
index 6a1cf6adea77d..0c91d8a3de4c3 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
@@ -149,8 +149,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_14_soc = {
.num_states = 5,
.sr_exit_time_us = 16.5,
.sr_enter_plus_exit_time_us = 18.5,
- .sr_exit_z8_time_us = 280.0,
- .sr_enter_plus_exit_z8_time_us = 350.0,
+ .sr_exit_z8_time_us = 210.0,
+ .sr_enter_plus_exit_z8_time_us = 310.0,
.writeback_latency_us = 12.0,
.dram_channel_width_bytes = 4,
.round_trip_ping_latency_dcfclk_cycles = 106,
