For cases where DP has HDMI2.1 sink and FRL Link issues are detected,
reset the flag to state FRL trained status before restarting FRL
training.
Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and
recovery")
Cc: Swati Sharma <[email protected]>
Cc: Ankit Nautiyal <[email protected]>
Cc: Uma Shankar <[email protected]> (v2)
Cc: Jani Nikula <[email protected]>
Signed-off-by: Ankit Nautiyal <[email protected]>
---
drivers/gpu/drm/i915/display/intel_dp.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
b/drivers/gpu/drm/i915/display/intel_dp.c
index 70b06806ec0d..9133d4c65437 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -3961,6 +3961,8 @@ intel_dp_handle_hdmi_link_status_change(struct intel_dp
*intel_dp)
drm_dp_pcon_hdmi_frl_link_error_count(&intel_dp->aux,
&intel_dp->attached_connector->base);
+ intel_dp->frl.is_trained = false;
+
/* Restart FRL training or fall back to TMDS mode */
intel_dp_check_frl_training(intel_dp);
}
--
2.25.1
