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drm/amd/display: Reduce sdp bw after urgent to 90%

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commit e1a600208286c197c2696e51fc313e49889315bd upstream.

[Description]
Reduce expected SDP bandwidth due to poor QoS and
arbitration issues on high bandwidth configs

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Nevenko Stupar <Nevenko.Stupar@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alvin Lee 2023-05-19 11:38:15 -04:00 committed by Greg Kroah-Hartman
parent 8695a443ad
commit 8953be60ec
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
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@ -137,7 +137,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_2_soc = {
.urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096, .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_pixel_and_vm_bytes = 4096,
.urgent_out_of_order_return_per_channel_vm_only_bytes = 4096, .urgent_out_of_order_return_per_channel_vm_only_bytes = 4096,
.pct_ideal_sdp_bw_after_urgent = 100.0, .pct_ideal_sdp_bw_after_urgent = 90.0,
.pct_ideal_fabric_bw_after_urgent = 67.0, .pct_ideal_fabric_bw_after_urgent = 67.0,
.pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 20.0, .pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 20.0,
.pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, // N/A, for now keep as is until DML implemented .pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, // N/A, for now keep as is until DML implemented