On Fri, 13 Dec 2002, Leif Delgass wrote: > On Fri, 13 Dec 2002, Ian Romanick wrote: > > > On Fri, Dec 13, 2002 at 05:43:51PM -0500, Leif Delgass wrote: > > > FYI, I noticed this recent patch from Arjan van de Ven from lkml. It's > > > got page flipping and user-defined interrupts for i830 (for 2.4): > > > > > > http://marc.theaimsgroup.com/?l=linux-kernel&m=103969295019388&w=2 > > > > Good catch. > > > > > Out of curiosity, I just downloaded the i810/i815 specs. At first glance > > > I don't see why you couldn't use bit 7 of the interrupt registers on > > > i810/i815 for VBLANK interrupts, rather than emitting a wait for vblank to > > > the ring, but maybe I'm missing something. > > > > That was my conclusion as well. It appears that Arjan's patch does just > > that for the i830. > > Actually, I think it just has support for user-defined interrupts for DMA > using bit 2, but it could be extended to include vblank support, I think. > The patch includes some updates to the generic vblank template code > (probably taken from DRI CVS, but I didn't look too closely), but the i830 > stuff seems to still be using the DRIVER_[PRE,POST]_INSTALL macros and > only enables bit 2 (user-defined interrupt).
Sorry... s/bit 2/bit 1/ -- Leif Delgass http://www.retinalburn.net ------------------------------------------------------- This sf.net email is sponsored by: With Great Power, Comes Great Responsibility Learn to use your power at OSDN's High Performance Computing Channel http://hpc.devchannel.org/ _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
