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drm/amd/display: Update DCN35 watermarks

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

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nicholas Kazlauskas 2023-11-06 17:29:33 -05:00 committed by Alex Deucher
parent b9eab9e0aa
commit fdf84f10e2
2 changed files with 20 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
View File

@ -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,
},
}

8
drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
View File

@ -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,