[Bug 107823] [amdgpu/displayport] Blackscreen on native resolution

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107823

--- Comment #12 from raxondmc at gmail.com ---
I've tried with a monitor I have with my 580x :

Here is the modeline your monitor has: 

[ 49.626518] [drm:drm_mode_debug_printmodeline [drm]] Modeline 64:"1680x1050"
60 146250 1680 1784 1960 2240 1050 1053 1059 1089 0x48 0x6


Here is mine: 

<div> [drm:drm_mode_debug_printmodeline [drm]] Modeline 68:"1680x1050" 60
146250 1680 1784 1960 2240 1050 1053 1059 1089 0x40 0x6

Now, the diff seems to be second last print on the lines. That said, my monitor
is not 1680x1050 native, but it supports this mode. 

Clocks seems to be the same, now i am wondering if it's the panel (NEC) in your
case that is picky or just Carrizo PLL's are not encoding at that modulated
clock.

I'll try to find a CZ and try it.

Cheers.

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