diff options
| author | Ankit Nautiyal <ankit.k.nautiyal@intel.com> | 2022-10-11 12:04:40 +0530 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-10-20 16:20:07 +0300 |
| commit | 47e1a59e60c688c5f95b67277202f05b7e84c189 (patch) | |
| tree | 3f84486665bd3947f150eddcc9f2f760b165ee70 /drivers/gpu/drm/i915/display | |
| parent | 20c68127e8e9d7899001c47465d0b79581f5fdc1 (diff) | |
drm/i915/dp: Reset frl trained flag before restarting FRL training
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 <swati2.sharma@intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com> (v2)
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221011063447.904649-2-ankit.k.nautiyal@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index a060903891b2..1858dd7856b2 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); } |