[Bug 48772] Signal unstable over Display Port on 2560x1440 monitor

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Apr 17 06:18:13 PDT 2012


--- Comment #8 from Alex Deucher <agd5f at yahoo.com> 2012-04-17 06:18:13 PDT ---
(In reply to comment #7)
> Where does this finding leads us? According to the specifications
> (http://www.amd.com/us/products/notebook/graphics/amd-radeon-6000m/amd-radeon-6300m/pages/amd-radeon-6300m.aspx#2)
> this resolution over DP should work. Is it possible for the motherboard vendor
> to mess things up in some way?

That's the max theoretical mode supported by the chip.  Whether or not you can
drive a monitor that big probably depends on the type and speed of dram in your
system since the GPU (display controllers, 3D engine, etc.) and the CPU have to
share dram bandwidth.

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