https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264632
Bug ID: 264632
Summary: drm/edid: Fix parsing of EDID 1.4 Established Timings
III descriptor
Product: Base System
Version: Unspecified
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 234639
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=234639&action=edit
a possible patch
The EDID 1.4 specification section 3.10.3.9 defines an Established Timings III
descriptor (tag #F7h). The parsing of this descriptor by drm_est3_modes() is
off by one byte: the offset of the first timing bitmap is 6, not 5.
The similar bug has been fixed in linux (commit f3a32d74ef73).
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