drm/dp_mst: Don't cache EDIDs for physical ports
authorImre Deak <imre.deak@intel.com>
Mon, 1 Feb 2021 12:01:43 +0000 (14:01 +0200)
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Tue, 9 Feb 2021 16:16:57 +0000 (17:16 +0100)
commit4b8878eefa0a3b65e2e016db49014ea66fb9fd45
treed4fe0fe81203657c8b4ad8bd0c112d86768293f1
parent8d0cb8860a4551fa5998acd67ca6d9ce3015b1e2
drm/dp_mst: Don't cache EDIDs for physical ports

Caching EDIDs for physical ports prevents updating the EDID if a port
gets reconnected via a Connection Status Notification message, fix this.

Fixes: db1a07956968 ("drm/dp_mst: Handle SST-only branch device case")
Cc: Wayne Lin <Wayne.Lin@amd.com>
Cc: Lyude Paul <lyude@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210201120145.350258-2-imre.deak@intel.com
(cherry picked from commit 468091531c2e5c49f55d8c6f1d036ce997d24e13)
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
drivers/gpu/drm/drm_dp_mst_topology.c