diff options
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/power/power_helpers.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c index bc239d38c3c7..235259d6c5a1 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c @@ -794,33 +794,34 @@ bool dmcu_load_iram(struct dmcu *dmcu, */ bool is_psr_su_specific_panel(struct dc_link *link) { - if (link->dpcd_caps.edp_rev >= DP_EDP_14) { - if (link->dpcd_caps.psr_info.psr_version >= DP_PSR2_WITH_Y_COORD_ET_SUPPORTED) - return true; + bool isPSRSUSupported = false; + struct dpcd_caps *dpcd_caps = &link->dpcd_caps; + + if (dpcd_caps->edp_rev >= DP_EDP_14) { + if (dpcd_caps->psr_info.psr_version >= DP_PSR2_WITH_Y_COORD_ET_SUPPORTED) + isPSRSUSupported = true; /* * Some panels will report PSR capabilities over additional DPCD bits. * Such panels are approved despite reporting only PSR v3, as long as * the additional bits are reported. */ - if (link->dpcd_caps.psr_info.psr_version < DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) - return false; - - if (link->dpcd_caps.sink_dev_id == DP_BRANCH_DEVICE_ID_001CF8) { + if (dpcd_caps->sink_dev_id == DP_BRANCH_DEVICE_ID_001CF8) { /* - * FIXME: * This is the temporary workaround to disable PSRSU when system turned on - * DSC function on the sepcific sink. Once the PSRSU + DSC is fixed, this - * condition should be removed. + * DSC function on the sepcific sink. */ - if (link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT) - return false; - - if (link->dpcd_caps.psr_info.force_psrsu_cap == 0x1) - return true; + if (dpcd_caps->psr_info.psr_version < DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) + isPSRSUSupported = false; + else if (dpcd_caps->dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT && + ((dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x08) || + (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x07))) + isPSRSUSupported = false; + else if (dpcd_caps->psr_info.force_psrsu_cap == 0x1) + isPSRSUSupported = true; } } - return false; + return isPSRSUSupported; } /** |