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| author | Imre Deak <imre.deak@intel.com> | 2024-06-10 19:49:27 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2024-06-13 21:26:49 +0300 |
| commit | e3e70d08409086ada2c864373d9d8b8ef9a55936 (patch) | |
| tree | ae35587876f6388e1f591f8f04d5ab8193ca4463 /drivers/gpu/drm/i915/display/intel_dp_mst.c | |
| parent | 81c9642b2a03c375e46442147234016578f12181 (diff) | |
| download | linux-e3e70d08409086ada2c864373d9d8b8ef9a55936.tar.gz linux-e3e70d08409086ada2c864373d9d8b8ef9a55936.tar.bz2 linux-e3e70d08409086ada2c864373d9d8b8ef9a55936.zip | |
drm/i915/dp_mst: Reset intel_dp->link_trained during disabling
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
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_mst.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 06fa0641f78f..e92a10c1f34e 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -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); |