From: Sung-huai Wang <[email protected]> [Why] fclk change latency is longer than expected on dcn351.
[How] Increate fclk change latency from 24us to 32us. Reviewed-by: Dillon Varone <[email protected]> Signed-off-by: Sung-huai Wang <[email protected]> Signed-off-by: Roman Li <[email protected]> --- drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c index 6552b26de845..0c5a2667d526 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c @@ -206,7 +206,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_51_soc = { .sr_enter_plus_exit_time_us = 30.0, .sr_exit_z8_time_us = 263.0, .sr_enter_plus_exit_z8_time_us = 363.0, - .fclk_change_latency_us = 24.0, + .fclk_change_latency_us = 39.0, .usr_retraining_latency_us = 2, .writeback_latency_us = 12.0, @@ -215,7 +215,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_51_soc = { .urgent_latency_pixel_data_only_us = 4.0, .urgent_latency_pixel_mixed_with_vm_data_us = 4.0, .urgent_latency_vm_data_only_us = 4.0, - .dram_clock_change_latency_us = 34, + .dram_clock_change_latency_us = 39, .urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096, .urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096, .urgent_out_of_order_return_per_channel_vm_only_bytes = 4096, -- 2.34.1
