From: Iswara Nagulendran <iswara.nagulendran@xxxxxxx> [HOW&WHY] Checking if both DSC and FEC supported from sink and source before going with TPS3 pattern during link training. Reviewed-by: Anthony Koo <Anthony.Koo@xxxxxxx> Acked-by: Alex Hung <alex.hung@xxxxxxx> Signed-off-by: Iswara Nagulendran <iswara.nagulendran@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c index bec5e9f787fc..cda1592c3a5b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c @@ -399,7 +399,11 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, link->psr_settings.force_ffu_mode = 0; copy_settings_data->force_ffu_mode = link->psr_settings.force_ffu_mode; - if (link->fec_state == dc_link_fec_enabled && + if (((link->dpcd_caps.fec_cap.bits.FEC_CAPABLE && + !link->dc->debug.disable_fec) && + (link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT && + !link->panel_config.dsc.disable_dsc_edp && + link->dc->caps.edp_dsc_support)) && link->dpcd_caps.sink_dev_id == DP_DEVICE_ID_38EC11 && (!memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_1, sizeof(DP_SINK_DEVICE_STR_ID_1)) || -- 2.38.1
