Draft: drm/ast: Use msleep instead of mdelay for edid read

Marcin “hrw” Juszkiewiczrequested to merge
haerwu/centos-stream-9-kernel:hrw/rhel9-117532 into main

JIRA: https://issues.redhat.com/browse/RHEL-117532

Summary of Changes

The busy-waiting in mdelay() can cause CPU stalls and kernel timeouts during boot.

Signed-off-by: Marcin Juszkiewicz mjuszkiewicz@redhat.com

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