Commit 8f586cc1 authored by Leo Chen's avatar Leo Chen Committed by Alex Deucher
Browse files

drm/amd/display: Change default Z8 watermark values 



[Why & How]
Previous Z8 watermark values were causing flickering and OTC underflow.
Updating Z8 watermark values based on the measurement.

Reviewed-by: default avatarNicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: default avatarAlan Liu <HaoPing.Liu@amd.com>
Signed-off-by: default avatarLeo Chen <sancchen@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 100bd008

drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c

+2 −2
Original line number Diff line number Diff line
@@ -149,8 +149,8 @@ static 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 = 210.0,

	.sr_enter_plus_exit_z8_time_us = 310.0,

	.sr_exit_z8_time_us = 268.0,

	.sr_enter_plus_exit_z8_time_us = 393.0,

	.writeback_latency_us = 12.0,

	.dram_channel_width_bytes = 4,

	.round_trip_ping_latency_dcfclk_cycles = 106,