diff options
| author |   Eric Yang <Eric.Yang2@amd.com> | 2021-12-15 17:09:05 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2022-01-18 17:41:19 -0500 |
| commit | b4c55e525461a9a091421e952d1e052127d558a8 (patch) | |
| tree | 6c859004d568c913241b2cf39d560a851e43db2b /drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | |
| parent | drm/amd/display: adjust bit comparison to be more type safe (diff) | |
| download | linux-dev-b4c55e525461a9a091421e952d1e052127d558a8.tar.xz linux-dev-b4c55e525461a9a091421e952d1e052127d558a8.zip | |
drm/amd/display: support new PMFW interface to disable Z9 only
[Why]
Need to disable Z9 on configurations that only support Z10
[How]
Support new PMFW interface to disable Z9
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Eric Yang <Eric.Yang2@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/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 |