From: Nicholas Kazlauskas Date: Mon, 7 Nov 2022 16:35:25 +0000 (-0500) Subject: drm/amd/display: Update Z8 watermarks for DCN314 X-Git-Tag: v6.1.29~31 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e22ef1561085fcd2c13ac2e501f31ebfa7a8e8cd;p=users%2Fdwmw2%2Flinux.git drm/amd/display: Update Z8 watermarks for DCN314 [ Upstream commit fa24e116f1ce3dcc55474f0b6ab0cac4e3ee34e1 ] [Why & How] Update from HW, need to lower watermarks for enter/enter+exit latency. Reviewed-by: Jun Lei Acked-by: Brian Chang Signed-off-by: Nicholas Kazlauskas Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Stable-dep-of: 8f586cc16c1f ("drm/amd/display: Change default Z8 watermark values") Signed-off-by: Sasha Levin --- 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 34b6c763a4554..9214ce23c3bd3 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 @@ -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 = 442.0, - .sr_enter_plus_exit_z8_time_us = 560.0, + .sr_exit_z8_time_us = 280.0, + .sr_enter_plus_exit_z8_time_us = 350.0, .writeback_latency_us = 12.0, .dram_channel_width_bytes = 4, .round_trip_ping_latency_dcfclk_cycles = 106,