[Bug 108577] Black X laptop screen with cursor if HDMI not plugged in, bisected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108577

--- Comment #40 from Duncan Roe <duncan_roe at optusnet.com.au> ---
Created attachment 143006
  --> https://bugs.freedesktop.org/attachment.cgi?id=143006&action=edit
Diagnostic patches to determine which pointer is null

These patches are against Linux 4.19.12, commit
2a7cb228d29c3882c1414c10a44c5f3f59bfa44d in
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

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