diff options
| author | Bhawanpreet Lakha <bhawanpreet.lakha@amd.com> | 2024-03-14 00:55:42 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-03-27 08:42:52 +0300 |
| commit | e9a09a198bfe276f303b455392739086a948a6f4 (patch) | |
| tree | 324322cde1f2b7a9ff1a8044e13482e355d50da0 /drivers/gpu/drm/amd/display/dc/dml/dcn20 | |
| parent | 54935663d3ace0129a6805386fcef3ddd5477934 (diff) | |
| download | linux-e9a09a198bfe276f303b455392739086a948a6f4.tar.xz | |
drm/amd/display: Allow Z8 when stutter threshold is not met
[Why&How]
Some panels don't meet the stutter threshold (4k etc), this leads to
power regressions. Allow z8 for panels that don't meet the threshold
but support PSR/replay
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Bhawanpreet Lakha <bhawanpreet.lakha@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/dcn20')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c | 9 |
1 files changed, 7 insertions, 2 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 38ab9ad60ef8..9c93a9f1eb0c 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 @@ -1085,6 +1085,9 @@ static enum dcn_zstate_support_state decide_zstate_support(struct dc *dc, struc 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; + bool is_psr = (link && (link->psr_settings.psr_version == DC_PSR_VERSION_1 || + link->psr_settings.psr_version == DC_PSR_VERSION_SU_1) && !link->panel_config.psr.disable_psr); + bool is_replay = link && link->replay_settings.replay_feature_enabled; /* Don't support multi-plane configurations */ if (stream_status->plane_count > 1) @@ -1092,13 +1095,15 @@ static enum dcn_zstate_support_state decide_zstate_support(struct dc *dc, struc if (is_pwrseq0 && context->bw_ctx.dml.vba.StutterPeriod > 5000.0) return DCN_ZSTATE_SUPPORT_ALLOW; - else if (is_pwrseq0 && link->psr_settings.psr_version == DC_PSR_VERSION_1 && !link->panel_config.psr.disable_psr) - return allow_z8 ? DCN_ZSTATE_SUPPORT_ALLOW_Z8_Z10_ONLY : DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY; + else if (is_pwrseq0 && (is_psr || is_replay)) + return DCN_ZSTATE_SUPPORT_ALLOW_Z8_Z10_ONLY; else return allow_z8 ? DCN_ZSTATE_SUPPORT_ALLOW_Z8_ONLY : DCN_ZSTATE_SUPPORT_DISALLOW; } else { return DCN_ZSTATE_SUPPORT_DISALLOW; } + + return DCN_ZSTATE_SUPPORT_DISALLOW; } static void dcn20_adjust_freesync_v_startup( |