From: Iswara Nagulendran <iswara.nagulend...@amd.com>
[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....@amd.com>
Acked-by: Alex Hung <alex.h...@amd.com>
Signed-off-by: Iswara Nagulendran <iswara.nagulend...@amd.com>
---
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
