drm/amd/display: Update Z8 SR exit/enter latencies
authorNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Wed, 1 Feb 2023 18:38:05 +0000 (13:38 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 May 2023 09:53:56 +0000 (11:53 +0200)
[ 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@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 8f586cc16c1f ("drm/amd/display: Change default Z8 watermark values")
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c

index 9214ce23c3bd36cf3cc54a8bd913a9c5949d8a1f..2c99193b63fa63f6b10e2ae51fb8265f9a738333 100644 (file)
@@ -148,8 +148,8 @@ 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,