Skip to content

Commit

Permalink
drm/amd/display: Change dram_clock_latency to 34us for dcn351
Browse files Browse the repository at this point in the history
[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@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
  • Loading branch information
Daniel Miess authored and Alex Deucher committed Jun 14, 2024
1 parent ad28d7c commit 6b3cc7a
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c
Original file line number Diff line number Diff line change
Expand Up @@ -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,
Expand Down

0 comments on commit 6b3cc7a

Please sign in to comment.