[Bug 32450] KMS defaults to underscan, no way to permanently turn it off

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32450

--- Comment #7 from DH <droidhacker at gmail.com> 2010-12-20 06:51:42 PST ---
How about adding a proper solution for people who own TV's that are under 10
years old and are able to output full native resolution of 1920x1080 without
any form of scaling? These devices account for a MAJORITY of LCD/LED TV's
supporting 1920x1080 resolution.

I.e., underscan should be disabled by default and only ENABLED if some specific
steps are taken.


And for that matter, aren't the majority of people hooking up to TV's using it
for HTPC purposes? I.e. something along the lines of MYTHTV or XBMC, for which
*overscan* is actually suitable. There is actually a *reason* why some TV's
overscan (ALL older TV's....) and that is so the video images extend all the
way to the edge of the display. Media interfaces are designed with this in mind
and have a significant border region before you reach the actual controls.


Having it underscan by default completely breaks *EVERYTHING* and fights
against the purpose of overscan to begin with. The result is that the image is
scaled when it shouldn't be, and that there is a big ugly black border around
the periphery, when overscan is ***supposed*** to eliminate that.

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