From: Ovidiu Bunea <[email protected]> [WHY] New cstate exit latency measurements from DCN IPSE for DCN42.
[HOW] Update stutter latencies in the DCN42 soc bb: - LPDDR5: exit 13.5us, enter plus exit 15.5us - DDR5: exit 23.0us, enter plus exit 25.0us Pstate change latency is already 36us for both. Reviewed-by: Austin Zheng <[email protected]> Signed-off-by: Ovidiu Bunea <[email protected]> Signed-off-by: Ivan Lipski <[email protected]> --- .../dc/dml2_0/dml21/inc/bounding_boxes/dcn42_soc_bb.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42_soc_bb.h b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42_soc_bb.h index 04c5f09499ac..139e0152fcd6 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42_soc_bb.h +++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/bounding_boxes/dcn42_soc_bb.h @@ -192,8 +192,8 @@ static const struct dml2_soc_bb dml2_socbb_dcn42 = { .dram_clk_change_blackout_us = 36, .fclk_change_blackout_us = 0, .g7_ppt_blackout_us = 0, - .stutter_enter_plus_exit_latency_us = 14, - .stutter_exit_latency_us = 12, + .stutter_enter_plus_exit_latency_us = 15.5, + .stutter_exit_latency_us = 13.5, .z8_stutter_enter_plus_exit_latency_us = 300, .z8_stutter_exit_latency_us = 200, }, @@ -224,8 +224,8 @@ static struct dml2_soc_power_management_parameters dcn42_ddr5_power_management_p .dram_clk_change_blackout_us = 36, .fclk_change_blackout_us = 0, .g7_ppt_blackout_us = 0, - .stutter_enter_plus_exit_latency_us = 23.5, - .stutter_exit_latency_us = 21.5, + .stutter_enter_plus_exit_latency_us = 25.0, + .stutter_exit_latency_us = 23.0, .z8_stutter_enter_plus_exit_latency_us = 300, .z8_stutter_exit_latency_us = 200, }; -- 2.43.0
