diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 1ee544a32ebb..966aa3b754c5 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1624,8 +1624,7 @@ static bool decide_edp_link_settings(struct dc_link *link, struct dc_link_settin uint32_t link_bw; if (link->dpcd_caps.dpcd_rev.raw < DPCD_REV_14 || - link->dpcd_caps.edp_supported_link_rates_count == 0 || - link->dc->config.optimize_edp_link_rate == false) { + link->dpcd_caps.edp_supported_link_rates_count == 0) { *link_setting = link->verified_link_cap; return true; } @@ -2219,11 +2218,18 @@ static void get_active_converter_info( link->dpcd_caps.dongle_type = DISPLAY_DONGLE_NONE; ddc_service_set_dongle_type(link->ddc, link->dpcd_caps.dongle_type); + link->dpcd_caps.is_branch_dev = false; return; } /* DPCD 0x5 bit 0 = 1, it indicate it's branch device */ - link->dpcd_caps.is_branch_dev = ds_port.fields.PORT_PRESENT; + if (ds_port.fields.PORT_TYPE == DOWNSTREAM_DP) { + link->dpcd_caps.is_branch_dev = false; + } + + else { + link->dpcd_caps.is_branch_dev = ds_port.fields.PORT_PRESENT; + } switch (ds_port.fields.PORT_TYPE) { case DOWNSTREAM_VGA: @@ -2597,7 +2603,8 @@ void detect_edp_sink_caps(struct dc_link *link) memset(supported_link_rates, 0, sizeof(supported_link_rates)); if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_14 && - link->dc->config.optimize_edp_link_rate) { + (link->dc->config.optimize_edp_link_rate || + link->reported_link_cap.link_rate == LINK_RATE_UNKNOWN)) { // Read DPCD 00010h - 0001Fh 16 bytes at one shot core_link_read_dpcd(link, DP_SUPPORTED_LINK_RATES, supported_link_rates, sizeof(supported_link_rates)); @@ -2612,6 +2619,9 @@ void detect_edp_sink_caps(struct dc_link *link) link_rate = linkRateInKHzToLinkRateMultiplier(link_rate_in_khz); link->dpcd_caps.edp_supported_link_rates[link->dpcd_caps.edp_supported_link_rates_count] = link_rate; link->dpcd_caps.edp_supported_link_rates_count++; + + if (link->reported_link_cap.link_rate < link_rate) + link->reported_link_cap.link_rate = link_rate; } } } |