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: Nicholas 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: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Leo Chen <sancchen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -149,8 +149,8 @@ static struct _vcs_dpi_soc_bounding_box_st dcn3_14_soc = {
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.num_states = 5,
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.sr_exit_time_us = 16.5,
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.sr_enter_plus_exit_time_us = 18.5,
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.sr_exit_z8_time_us = 210.0,
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.sr_enter_plus_exit_z8_time_us = 310.0,
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.sr_exit_z8_time_us = 268.0,
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.sr_enter_plus_exit_z8_time_us = 393.0,
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.writeback_latency_us = 12.0,
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.dram_channel_width_bytes = 4,
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.round_trip_ping_latency_dcfclk_cycles = 106,
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