On 19 Feb 2002, Dominique Dumont wrote:
>
> Hello
>
> I cannot figure out how to make dga work on my matrox card:
>
> Here an extract from Xfree log:
>
>
> XFree86 Version 4.1.0.1 / X Window System
> (protocol Version 11, revision 0, vendor release 6510)
> Release Date: 21 December 2001
> [...]
> (II) Loading extension XFree86-DGA
> [...]
> (--) Chipset mgag400 found
>
> xdpyinfo reports:
>
> XFree86-DGA version 2.0 opcode: 136, base event: 68, base error: 144
> Base address = 0xF6000000, Width = 1600, Bank size = 16777216, RAM size = 16384k
>
>
> When I use dga, the screen switches to a black screen until I hit 'q'.
The ancient "dga" app only works properly in 8bpp. It's also
using the deprecated DGA 1.0 interface.
>
> dga reports:
>
> 1 addr:0x4022d000, width 1600, bank size 16777216, depth 24 planes
> KeyRelease[36]:
> [..]
> KeyRelease[42]: g
> KeyPress [24]: q
> EXITTING
> back now in X
> Thats all folks
>
>
> So what's going on ? Why are the addresses reported by dga and
> xdpyinfo different ?
>
Physical vs. Logical.
We really need to remove this "dga" test app from the XFree86
tree.
Mark.
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