Revert "drm/amd/display: Fix for otg synchronization logic"

This reverts commit a896f870f8a5f23ec961d16baffd3fda1f8be57c.

It causes odd flickering on my Radeon RX580 (PCI ID 1002:67df rev e7,
subsystem ID 1da2:e353).

Bisected right to this commit, and reverting it fixes things.

Cc: Alex Deucher <>
Cc: Daniel Vetter <>
Cc: Harry Wentland <>
Cc: Dave Airlie <>
Cc: Christian Koenig <>
Cc: Jun Lei <>
Cc: Mustapha Ghaddar <>
Cc: Bhawanpreet Lakha <>
Cc: meenakshikumar somasundaram <>
Cc: Daniel Wheeler <>
Signed-off-by: Linus Torvalds <>
7 files changed