[Bug 89820] [8086] x86_64 i915 detects wrong resolution and DPI / HD Graphics 4600

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Mar 30 01:20:01 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=89820

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |NOTOURBUG

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
The xrandr screen size comes from your EDID. The DPI is an artificial number to
match X protocol expectations, and the display dimensions adjusted to match X.
This is a long, long standing issue of which the answer has been "those which
cannot handle DPI are told 96, those that do can query it in on a per-monitor
basis via xrandr".

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