From: Daniel Miess <daniel.miess@xxxxxxx>
[Why]
Intermittent underflow observed when using 4k144 display on
dcn351
[How]
Update dram_clock_change_latency_us from 11.72us to 34us
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Acked-by: Zaeem Mohamed <zaeem.mohamed@xxxxxxx>
Signed-off-by: Daniel Miess <daniel.miess@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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 e4f333d4fb54..a201dbb743d7 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
@@ -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 = 11.72,
+ .dram_clock_change_latency_us = 34,
.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
