Commit 67ff4a72 authored by Agustin Gutierrez's avatar Agustin Gutierrez Committed by Alex Deucher
Browse files

drm/amd/display: Update watermark values for DCN301 



[Why]
There is underflow / visual corruption DCN301, for high
bandwidth MST DSC configurations such as 2x1440p144 or 2x4k60.

[How]
Use up-to-date watermark values for DCN301.

Reviewed-by: default avatarZhan Liu <zhan.liu@amd.com>
Signed-off-by: default avatarAgustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 90c44207

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c

+8 −8
Original line number Diff line number Diff line
@@ -570,32 +570,32 @@ 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 = 7.95,

			.sr_enter_plus_exit_time_us = 9,

			.sr_exit_time_us = 13.5,

			.sr_enter_plus_exit_time_us = 16.5,

			.valid = true,

		},

		{

			.wm_inst = WM_B,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.65333,

			.sr_exit_time_us = 9.82,

			.sr_enter_plus_exit_time_us = 11.196,

			.sr_exit_time_us = 13.5,

			.sr_enter_plus_exit_time_us = 16.5,

			.valid = true,

		},

		{

			.wm_inst = WM_C,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.65333,

			.sr_exit_time_us = 9.89,

			.sr_enter_plus_exit_time_us = 11.24,

			.sr_exit_time_us = 13.5,

			.sr_enter_plus_exit_time_us = 16.5,

			.valid = true,

		},

		{

			.wm_inst = WM_D,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.65333,

			.sr_exit_time_us = 9.748,

			.sr_enter_plus_exit_time_us = 11.102,

			.sr_exit_time_us = 13.5,

			.sr_enter_plus_exit_time_us = 16.5,

			.valid = true,

		},

	}