https://github.com/torvalds/linux
Revision 7c4512300cfa5a4dcc8c1c52ae61e3fa4bd11a39 authored by Lyude Paul on 06 November 2018, 21:30:12 UTC, committed by Joonas Lahtinen on 12 November 2018, 15:07:12 UTC
This hasn't caused any issues yet that I'm aware of, but as Ville
Syrjälä pointed out - we need to make sure that
intel_connector->mst_port is set before initializing MST connectors,
since in theory we could potentially check intel_connector->mst_port in
i915_hpd_poll_init_work() after registering the connector but before
having written it's value.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20181106213017.14563-2-lyude@redhat.com
(cherry picked from commit 66a5ab1034be801630816d1fa6cfc30db1a2f0b0)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
1 parent fb5bbae
History
Tip revision: 7c4512300cfa5a4dcc8c1c52ae61e3fa4bd11a39 authored by Lyude Paul on 06 November 2018, 21:30:12 UTC
drm/i915: Fix possible race in intel_dp_add_mst_connector()
Tip revision: 7c45123
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