[Bug 104660] DC R9 285 dual link DVI modes not shown.

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=104660

--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Andy Furniss from comment #3)
> Thanks, that works.
> 
> This is the same with non dc, but is there a reason they are a bit low?
> 
>   1920x1080 (0x5b) 285.500MHz +HSync -VSync
>         h: width  1920 start 1968 end 2000 total 2080 skew    0 clock
> 137.26KHz
>         v: height 1080 start 1083 end 1088 total 1144           clock
> 119.98Hz
> 
>  1920x1080 (0x5c) 260.250MHz +HSync -VSync
>         h: width  1920 start 1968 end 2000 total 2080 skew    0 clock
> 125.12KHz
>         v: height 1080 start 1083 end 1088 total 1138           clock
> 109.95Hz
> 
>  1920x1080 (0x5d) 235.500MHz +HSync -VSync
>         h: width  1920 start 1968 end 2000 total 2080 skew    0 clock
> 113.22KHz
>         v: height 1080 start 1083 end 1088 total 1133           clock 
> 99.93Hz
> 
> I was hoping DC would differ from the old driver in giving exact Hz for
> these.

Those are the modes from the EDID from your monitor:

CEA extension block
Extension version: 1
0 8-byte timing descriptors
Detailed mode: Clock 235.500 MHz, 521 mm x 293 mm
               1920 1968 2000 2080 hborder 0
               1080 1083 1088 1133 vborder 0
               +hsync -vsync 
Detailed mode: Clock 260.250 MHz, 521 mm x 293 mm
               1920 1968 2000 2080 hborder 0
               1080 1083 1088 1138 vborder 0
               +hsync -vsync 
Detailed mode: Clock 285.500 MHz, 521 mm x 293 mm
               1920 1968 2000 2080 hborder 0
               1080 1083 1088 1144 vborder 0
               +hsync -vsync

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