diff options
| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2017-06-21 09:35:35 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 18:08:10 -0400 |
| commit | 139cb65c5202ba5074d52226931a7d4aaa3307bc (patch) | |
| tree | ae39ac5f96a46ec66102ddd622d78d6e0cdadf30 /drivers/gpu | |
| parent | cb26f8925c50aa244ac34a72ac232e4c7dbd6f98 (diff) | |
drm/amd/display: make variable latency into a regkey option
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 2 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c index 9cb08365e2b6..3ec702fecfd1 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c @@ -906,11 +906,16 @@ bool dcn_validate_bandwidth( scaler_settings_calculation(v); mode_support_and_system_configuration(v); - if (v->voltage_level == 0) { + if (v->voltage_level == 0 && + (dc->public.debug.sr_exit_time_dpm0_ns + || dc->public.debug.sr_enter_plus_exit_time_dpm0_ns)) { struct core_dc *dc_core = DC_TO_CORE(&dc->public); - v->sr_enter_plus_exit_time = 9.466f; - v->sr_exit_time = 7.849f; + if (dc->public.debug.sr_enter_plus_exit_time_dpm0_ns) + v->sr_enter_plus_exit_time = + dc->public.debug.sr_enter_plus_exit_time_dpm0_ns / 1000.0f; + if (dc->public.debug.sr_exit_time_dpm0_ns) + v->sr_exit_time = dc->public.debug.sr_exit_time_dpm0_ns / 1000.0f; dc_core->dml.soc.sr_enter_plus_exit_time_us = v->sr_enter_plus_exit_time; dc_core->dml.soc.sr_exit_time_us = v->sr_exit_time; mode_support_and_system_configuration(v); diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 62493c4a47d1..cb70b6d8be10 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -171,6 +171,8 @@ struct dc_debug { bool disable_pplib_wm_range; bool use_dml_wm; bool disable_pipe_split; + int sr_exit_time_dpm0_ns; + int sr_enter_plus_exit_time_dpm0_ns; int sr_exit_time_ns; int sr_enter_plus_exit_time_ns; int urgent_latency_ns; |