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drm/amd/display: update nv1x stutter latencies

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[ Upstream commit c4790a8894 ]

[why]
Recent characterization shows increased stutter latencies on some SKUs,
leading to underflow.

[how]
Update SOC params to account for this worst case latency.

Signed-off-by: Jun Lei <jun.lei@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jun Lei
2020-09-03 16:17:46 -04:00
committed by Greg Kroah-Hartman
parent c48363d19f
commit 8c48b7617b
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
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@@ -340,8 +340,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_0_nv14_soc = {
},
},
.num_states = 5,
.sr_exit_time_us = 8.6,
.sr_enter_plus_exit_time_us = 10.9,
.sr_exit_time_us = 11.6,
.sr_enter_plus_exit_time_us = 13.9,
.urgent_latency_us = 4.0,
.urgent_latency_pixel_data_only_us = 4.0,
.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,