Commit 54e5f12c authored by Wyatt Wood's avatar Wyatt Wood Committed by Alex Deucher
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drm/amd/display: Increase sr enter/exit in rn ddr4 watermark table 



[Why]
After removing added latency for HostVM by default, DDR4 sr exit
latencies were no longer large enough for some panels and caused
underflow.

[How]
Add 1us to sr enter/exit watermark.

Signed-off-by: default avatarWyatt Wood <wyatt.wood@amd.com>
Acked-by: default avatarBindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9a319960

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c

+2 −2
Original line number Diff line number Diff line
@@ -618,8 +618,8 @@ static struct wm_table ddr4_wm_table = { 
			.wm_inst = WM_A,

			.wm_type = WM_TYPE_PSTATE_CHG,

			.pstate_latency_us = 11.72,

			.sr_exit_time_us = 6.09,

			.sr_enter_plus_exit_time_us = 7.14,

			.sr_exit_time_us = 7.09,

			.sr_enter_plus_exit_time_us = 8.14,

			.valid = true,

		},

		{