Public bug reported:

[Impact]

The cursor bleeds because of the bug in xorg which does not refresh the sprite 
background. (LP: #1911479)
The issue happens to Xilinx zcu102/104/106 boards (arm64, mali gpu).

[Test Case]

Check if cursor is still bleeding with the patched xorg-server

[ Regression potential ]

The new function, miDCSaveUnderCursor2, is only used by Xilinx armsoc driver.
It won't impact other platforms.

---
Xilinx has upstreamed the patch.
https://lists.x.org/archives/xorg-devel/2021-March/058672.html
But, it's still under review.

** Affects: oem-priority
     Importance: Critical
         Status: New

** Affects: oem-priority/focal
     Importance: Critical
         Status: New

** Affects: xorg-server (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: patch

** Also affects: oem-priority
   Importance: Undecided
       Status: New

** Also affects: oem-priority/focal
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1920096

Title:
  Cursor bleeds on the platform with Mali armsoc driver

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