From: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
[Why]
The threshold is no longer useful for blocking suboptimal power states
for DCN35 based on real measurement.
[How]
Reduce to the minimum threshold duration, 1us.
Reviewed-by: Gabe Teeger <gabe.teeger@xxxxxxx>
Acked-by: Roman Li <roman.li@xxxxxxx>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
index f1efce1bfbec..479641fedcd4 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
@@ -764,7 +764,7 @@ static const struct dc_debug_options debug_defaults_drv = {
},
.seamless_boot_odm_combine = DML_FAIL_SOURCE_PIXEL_FORMAT,
.enable_z9_disable_interface = true, /* Allow support for the PMFW interface for disable Z9*/
- .minimum_z8_residency_time = 2100,
+ .minimum_z8_residency_time = 1, /* Always allow when other conditions are met */
.using_dml2 = true,
.support_eDP1_5 = true,
.enable_hpo_pg_support = false,
--
2.34.1
