diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 2bc93df023ad..d0a5c7afa265 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -3093,8 +3093,14 @@ 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; - if (link->link_index == 0 && context->bw_ctx.dml.vba.StutterPeriod > 5000.0) + /* zstate only supported on PWRSEQ0 */ + if (link->link_index != 0) + return DCN_ZSTATE_SUPPORT_DISALLOW; + + if (context->bw_ctx.dml.vba.StutterPeriod > 5000.0) return DCN_ZSTATE_SUPPORT_ALLOW; + else if (link->psr_settings.psr_feature_enabled) + return DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY; else return DCN_ZSTATE_SUPPORT_DISALLOW; } else |