drm/amd/display: Increase Z8 watermark times.

Increase Z8 watermark times from 210->250us and 320->350us.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Natanel Roizenman <natanel.roizenman@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c

@@ -166,8 +166,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = {
 	.num_states = 5,
 	.sr_exit_time_us = 28.0,
 	.sr_enter_plus_exit_time_us = 30.0,
-	.sr_exit_z8_time_us = 210.0,
-	.sr_enter_plus_exit_z8_time_us = 320.0,
+	.sr_exit_z8_time_us = 250.0,
+	.sr_enter_plus_exit_z8_time_us = 350.0,
 	.fclk_change_latency_us = 24.0,
 	.usr_retraining_latency_us = 2,
 	.writeback_latency_us = 12.0,

drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c

@@ -145,8 +145,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_51_soc = {
 	.num_states = 5,
 	.sr_exit_time_us = 28.0,
 	.sr_enter_plus_exit_time_us = 30.0,
-	.sr_exit_z8_time_us = 210.0,
-	.sr_enter_plus_exit_z8_time_us = 320.0,
+	.sr_exit_z8_time_us = 250.0,
+	.sr_enter_plus_exit_z8_time_us = 350.0,
 	.fclk_change_latency_us = 24.0,
 	.usr_retraining_latency_us = 2,
 	.writeback_latency_us = 12.0,