drm/amd/display: Modify checks to enable TPS3 pattern when required

[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@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Iswara Nagulendran <iswara.nagulendran@amd.com>
Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 bec5e9f787fc04169f0cbbe3d5ae04578cc56e21..cda1592c3a5be32038263d1fa90d52c3dc05497b 100644 (file)
--- 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)) ||