diff options
| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2023-02-17 11:17:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-03-07 14:22:39 -0500 |
| commit | 0db13eae41fcc67f408dbb3dfda59633c4fa03fb (patch) | |
| tree | 65ac19d142d7c4ba0244103ef45d68935beae11e /drivers/gpu/drm/amd/display/dc/dml | |
| parent | c93aa7f33e94ee9d64277fa2a345dc30c127d798 (diff) | |
drm/amd/display: Add minimum Z8 residency debug option
[Why]
Allows finer control and tuning for debug and profiling.
[How]
Add the debug option into DC. The default remains the same as before
for now.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c index d3ba65efe1d2e..f3cfc144e3587 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c @@ -973,7 +973,8 @@ static enum dcn_zstate_support_state decide_zstate_support(struct dc *dc, struc else if (context->stream_count == 1 && context->streams[0]->signal == SIGNAL_TYPE_EDP) { struct dc_link *link = context->streams[0]->sink->link; struct dc_stream_status *stream_status = &context->stream_status[0]; - bool allow_z8 = context->bw_ctx.dml.vba.StutterPeriod > 1000.0; + int minmum_z8_residency = dc->debug.minimum_z8_residency_time > 0 ? dc->debug.minimum_z8_residency_time : 1000; + bool allow_z8 = context->bw_ctx.dml.vba.StutterPeriod > (double)minmum_z8_residency; bool is_pwrseq0 = link->link_index == 0; if (dc_extended_blank_supported(dc)) { |