[Bug 32343] EDID data block missed at radeon XRandR outputs

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Dec 13 08:18:03 PST 2010


--- Comment #3 from Alex Deucher <agd5f at yahoo.com> 2010-12-13 08:18:03 PST ---
(In reply to comment #2)
> Agreed. The fetching is fine. What I miss on openSUSE-11.3 and Fedora14
> is forwarding to clients of the property.
> On some web pages the following was referred as to show attached properties:
> $ xrandr --prop
> But I do not find "EDID" covered. Is'nt it the driver to attach the "EDID" 
> property to the output?

The driver just provides the EDID to the xserver if there is one.  The xrandr
core code in the xserver parses the modes and puts the EDID into the output
property.  xrandr --props works fine here and shows the EDID blocks for all
attached displays.  Note some laptops do not have an EDID for the internal
panel although most do; in those cases the vbios just provides native mode
timing for the panel.  Also, you won't get an EDID if the driver is not able to
get one due to the monitor not providing one or the drm EDID checker rejecting
the it.

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