The intelfb driver can't modeset on non-CRT outputs as it requires using
the video BIOS to do it, this is due to the chip specs not being available
for all the different external TMDS and TV-out chips...
Not sure what you can do really...
Dave.
On Sun, 10 Jul 2005, Alex Lau wrote:
> Try add more info into my intelfb problem.
>
> I think the problem is when I'm using LCD, intelfb get to
> be fixed mode ( any one can explain to me why? I don't fully
> understand ) so when I init directfb it just won't change to
> the correct setting.
> I take alot at the kernel driver, with intelfb fix mode it should
> take the {kernel-source}/driver/video/modedb.c mdoe line then
> apply it .... however at run time my reading from fbset is a little
> bit different from all the modedb setting
> In the directfb init debug message ... it fail in the Graphic
> and show the modeline not find ( even I put that exact mode line
> into the /etc/fb.modes
> and also stay the pixelformat 8/16, 8/8, 8/0, 8/24
> I try ggi also ... it fail with mode change also ...
> so I think it is the driver problem... anyone get some idea where
> should I look into this mode problem?
> Thanks
>
>
> Alex Lau wrote:
>
> > Hi all
> > I'm using a samsung laptop Q20,
> > kernel using 2.6.12.2
> > intelfb able to install with the
> > follow kernel parm
> > video=intelfb:[EMAIL PROTECTED],accel=1,mtrr,vram=128,fixed,hwcursor=0
> > vga=792
> > since it is LCD ... by default it won't allow mode change
> > and I have to specifly vga=XXX for fixed mode
> >
> > playing the cvs version of directfb
> > and I won't able to init core it say fb.mode not find
> > and this is my mode line output
> >
> > mode "1024x768-60"
> > # D: 62.360 MHz, H: 47.530 kHz, V: 60.013 Hz
> > geometry 1024 768 1024 768 32
> > timings 16036 128 32 16 4 128 4
> > accel true
> > rgba 8/16,8/8,8/0,8/24
> > endmode
> >
> > of course I can redirect to SDL layer and it will work ok ..
> > but is there any reason it can't get the mode?
> > any hints?
> > Thanks
> >
> >
>
>
>
--
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied at skynet.ie
Linux kernel - DRI, VAX / pam_smb / ILUG
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