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drm/i915/dp_mst: Reset intel_dp->link_trained during disabling

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Reset the flag indicating an active link after disabling an MST link,
similarly to how this is done for SST outputs. This avoids trying to
retrain an MST link while its disabled.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240610164933.2947366-16-imre.deak@intel.com
This commit is contained in:
Imre Deak 2024-06-10 19:49:27 +03:00
parent 81c9642b2a
commit e3e70d0840
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/display/intel_dp_mst.c
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@ -983,6 +983,9 @@ static void intel_mst_disable_dp(struct intel_atomic_state *state,
drm_dbg_kms(&i915->drm, "active links %d\n",
intel_dp->active_mst_links);
if (intel_dp->active_mst_links == 1)
intel_dp->link_trained = false;
intel_hdcp_disable(intel_mst->connector);
intel_dp_sink_disable_decompression(state, connector, old_crtc_state);