I was told that the open source driver depends upon BIOS calls. The application we're considering will have a stripped down BIOS that won't provide video calls. Looks like a whole new driver.
Richard > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:directfb-users- > [EMAIL PROTECTED] On Behalf Of Ville Syrj�l� > Sent: Wednesday, July 28, 2004 11:13 AM > To: [EMAIL PROTECTED] > Subject: [directfb-users] Re: adding a new device to directFB > > On Wed, Jul 28, 2004 at 10:09:12AM -0700, Griffiths, RichardX A wrote: > > I'm looking into what it would take to support the Intel 830 graphics > > under directFB. > > > > What is required to add a driver to directfb? Does a linux frame buffer > > device (/dev/fb?) have to already exist for the device? > > Yes you need a framebuffer driver. And it looks like it already exists. > > http://www.xfree86.org/~dawes/intelfb.html > > > Is the gfxdriver > > code the only addition to directfb for a new device? > > Yes. > > AFAICR the i810 driver uses DMA instead of MMIO because of some > performance issue. I don't know if i830+ chips have the same problems. > > -- > Ville Syrj�l� > [EMAIL PROTECTED] > http://www.sci.fi/~syrjala/ >
