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Dave Airlie
16b78f052d
UAPI Changes: None
Cross-subsystem Changes: None
Core Changes: Fixed regressions introduced by commit cd82d82cbc
("drm/dp_mst: Add branch bandwidth validation to MST atomic check"),
which would cause us to:
* Calculate the available bandwidth on an MST topology incorrectly, and
as a result reject most display configurations that would try to enable
more then one sink on a topology
* Occasionally expose MST connectors to userspace before finishing
probing their PBN capabilities, resulting in us rejecting display
configurations because we assumed briefly that no bandwidth was
available
Driver Changes: None
Signed-off-by: Dave Airlie <[email protected]>
From: Lyude Paul <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]