* (no subject)
@ 2001-02-15 0:27 Deepa Suresh
2001-02-15 11:03 ` your mail Geert Uytterhoeven
0 siblings, 1 reply; 2+ messages in thread
From: Deepa Suresh @ 2001-02-15 0:27 UTC (permalink / raw)
To: linux-mips; +Cc: deepa.suresh
Hello,
We have a QED based MIPs processor, running Linux 2.4-test6.
We use our own graphics card.
We want to get X/display up on this board. WE have a frame buffer driver
written
for the same card running on x86 Linux version and running X using
XFBDev server.
I want to know if we can reuse the same driver for mips also?
In the case of i386 Linux, fbcon.c and fbmem.c do most of the
processing before giving control to the corresponding graphics card.
In mips port can we use the same fbcon.c and fbmem.c functionality
with our graphics driver. Is this enough for X to come up
without any problems. (i have seen sgi using newport_con , can we use
fb_con itself instead , what are the problems?)
I did see in the mailing list, someone mentioning using ATI graphics
card with the same hardware and running X. How was the frame buffer
driver modified?
Any help on this would be appreciated.
Thanks & Rgds
deepa
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: your mail
2001-02-15 0:27 Deepa Suresh
@ 2001-02-15 11:03 ` Geert Uytterhoeven
0 siblings, 0 replies; 2+ messages in thread
From: Geert Uytterhoeven @ 2001-02-15 11:03 UTC (permalink / raw)
To: Deepa Suresh; +Cc: linux-mips
On Wed, 14 Feb 2001, Deepa Suresh wrote:
> We have a QED based MIPs processor, running Linux 2.4-test6.
> We use our own graphics card.
> We want to get X/display up on this board. WE have a frame buffer driver
> written
> for the same card running on x86 Linux version and running X using
> XFBDev server.
Does the frame buffer driver you wrote for x86 Linux relies on the card being
initialised by the video BIOS on the card? If not, it'll work out-of-the-box.
If yes, you'll have to make sure a similar initialization is done on the MIPS
platform.
> I want to know if we can reuse the same driver for mips also?
> In the case of i386 Linux, fbcon.c and fbmem.c do most of the
> processing before giving control to the corresponding graphics card.
>
> In mips port can we use the same fbcon.c and fbmem.c functionality
> with our graphics driver. Is this enough for X to come up
> without any problems. (i have seen sgi using newport_con , can we use
> fb_con itself instead , what are the problems?)
Fbmem and fbcon should work fine. They are not architecture specific.
And if these work, XF{68,86}_FBDev should work as well.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven ------------- Sony Software Development Center Europe (SDCE)
Geert.Uytterhoeven@sonycom.com ------------------- Sint-Stevens-Woluwestraat 55
Voice +32-2-7248626 Fax +32-2-7262686 ---------------- B-1130 Brussels, Belgium
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