diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index ab9655d6e5c8..7884530cc02b 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -1795,6 +1795,7 @@ static bool dc_link_construct_legacy(struct dc_link *link, */ program_hpd_filter(link); + link->psr_settings.psr_vtotal_control_support = false; link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED; DC_LOG_DC("BIOS object table - %s finished successfully.\n", __func__); @@ -3227,6 +3228,7 @@ bool dc_link_setup_psr(struct dc_link *link, /* updateSinkPsrDpcdConfig*/ union dpcd_psr_configuration psr_configuration; union dpcd_alpm_configuration alpm_configuration; + union dpcd_sink_active_vtotal_control_mode vtotal_control = {0}; psr_context->controllerId = CONTROLLER_ID_UNDEFINED; @@ -3296,6 +3298,13 @@ bool dc_link_setup_psr(struct dc_link *link, psr_config->su_y_granularity; psr_context->line_time_in_us = psr_config->line_time_in_us; + + if (link->psr_settings.psr_vtotal_control_support) { + psr_context->rate_control_caps = psr_config->rate_control_caps; + vtotal_control.bits.ENABLE = true; + core_link_write_dpcd(link, DP_SINK_PSR_ACTIVE_VTOTAL_CONTROL_MODE, + &vtotal_control.raw, sizeof(vtotal_control.raw)); + } } psr_context->channel = link->ddc->ddc_pin->hw_info.ddc_channel; @@ -3428,6 +3437,19 @@ void dc_link_get_psr_residency(const struct dc_link *link, uint32_t *residency) *residency = 0; } +bool dc_link_set_sink_vtotal_in_psr_active(const struct dc_link *link, uint16_t psr_vtotal_idle, uint16_t psr_vtotal_su) +{ + struct dc *dc = link->ctx->dc; + struct dmub_psr *psr = dc->res_pool->psr; + + if (psr == NULL || !link->psr_settings.psr_feature_enabled || !link->psr_settings.psr_vtotal_control_support) + return false; + + psr->funcs->psr_set_sink_vtotal_in_psr_active(psr, psr_vtotal_idle, psr_vtotal_su); + + return true; +} + const struct dc_link_status *dc_link_get_status(const struct dc_link *link) { return &link->link_status; |