Commit fdf84f10 authored by Nicholas Kazlauskas's avatar Nicholas Kazlauskas Committed by Alex Deucher
Browse files

drm/amd/display: Update DCN35 watermarks 



[Why & How]
Update to the new values per HW team request. Affects both stutter
and z8.

Reviewed-by: default avatarCharlene Liu <charlene.liu@amd.com>
Acked-by: default avatarHamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: default avatarNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b9eab9e0

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c

+16 −16
Original line number Diff line number Diff line
@@ -443,32 +443,32 @@ static struct wm_table ddr5_wm_table = { 
			.wm_inst = WM_A,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.72,

			.sr_exit_time_us = 9,

			.sr_enter_plus_exit_time_us = 11,

			.sr_exit_time_us = 14.0,

			.sr_enter_plus_exit_time_us = 16.0,

			.valid = true,

		},

		{

			.wm_inst = WM_B,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.72,

			.sr_exit_time_us = 9,

			.sr_enter_plus_exit_time_us = 11,

			.sr_exit_time_us = 14.0,

			.sr_enter_plus_exit_time_us = 16.0,

			.valid = true,

		},

		{

			.wm_inst = WM_C,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.72,

			.sr_exit_time_us = 9,

			.sr_enter_plus_exit_time_us = 11,

			.sr_exit_time_us = 14.0,

			.sr_enter_plus_exit_time_us = 16.0,

			.valid = true,

		},

		{

			.wm_inst = WM_D,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.72,

			.sr_exit_time_us = 9,

			.sr_enter_plus_exit_time_us = 11,

			.sr_exit_time_us = 14.0,

			.sr_enter_plus_exit_time_us = 16.0,

			.valid = true,

		},

	}
@@ -480,32 +480,32 @@ static struct wm_table lpddr5_wm_table = { 
			.wm_inst = WM_A,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.65333,

			.sr_exit_time_us = 11.5,

			.sr_enter_plus_exit_time_us = 14.5,

			.sr_exit_time_us = 14.0,

			.sr_enter_plus_exit_time_us = 16.0,

			.valid = true,

		},

		{

			.wm_inst = WM_B,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.65333,

			.sr_exit_time_us = 11.5,

			.sr_enter_plus_exit_time_us = 14.5,

			.sr_exit_time_us = 14.0,

			.sr_enter_plus_exit_time_us = 16.0,

			.valid = true,

		},

		{

			.wm_inst = WM_C,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.65333,

			.sr_exit_time_us = 11.5,

			.sr_enter_plus_exit_time_us = 14.5,

			.sr_exit_time_us = 14.0,

			.sr_enter_plus_exit_time_us = 16.0,

			.valid = true,

		},

		{

			.wm_inst = WM_D,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.65333,

			.sr_exit_time_us = 11.5,

			.sr_enter_plus_exit_time_us = 14.5,

			.sr_exit_time_us = 14.0,

			.sr_enter_plus_exit_time_us = 16.0,

			.valid = true,

		},

	}

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

+4 −4
Original line number Diff line number Diff line
@@ -164,10 +164,10 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = { 
		},

	},

	.num_states = 5,

	.sr_exit_time_us = 9.0,

	.sr_enter_plus_exit_time_us = 11.0,

	.sr_exit_z8_time_us = 50.0, /*changed from 442.0*/

	.sr_enter_plus_exit_z8_time_us = 50.0,/*changed from 560.0*/

	.sr_exit_time_us = 14.0,

	.sr_enter_plus_exit_time_us = 16.0,

	.sr_exit_z8_time_us = 525.0,

	.sr_enter_plus_exit_z8_time_us = 715.0,

	.fclk_change_latency_us = 20.0,

	.usr_retraining_latency_us = 2,

	.writeback_latency_us = 12.0,