On Thu, 2003-08-14 at 19:06, Alex Deucher wrote: > I haven't tried multiple radeon cards, but I seem to recall several > people having this problem right around when 4.3.0 was released. I > don't think a "proper" fix ever went in and I think the issue was to be > revisited later. I don't know if it's needed anymore or not. > It is still needed, Radeon as a secondary display only works on the first initialisation (it can not find ROM on subsequent attempts) in all XFree86 versions I have tried up to and including current CVS. At least on my hardware... :-/
> Alex > > --- Jon Smirl <[EMAIL PROTECTED]> wrote: > > --- Alex Deucher <[EMAIL PROTECTED]> wrote: > > > > 2) access ROM directly instead of relying on copy > > > > in low RAM. This allows multiple cards. Required > > > > MPP_TB_CONFIG fix in driver. > > > > > > Is this patch necessary for xfree86? It may address > > > some of the issues > > > in the email threads I sent out yesterday (ie, > > > problems with multiple > > > radeon cards and xfree86). if so would you consider > > > making one? > > > > > > > Xfree code does not have the patch, but is Xfree > > experiencing the bug? Xfree accesses the hardware very > > differently than the framebuffer drivers. > > > > I suspect that you would see this problem if you were > > using something else for your primary video and a > > Radeon for secondary. The first time you ran Xfree it > > would work. But when you exited and restarted Xfree it > > would hang when starting the secondary display. > > > > Where does XFree reset the secondary card? The code > > below needs to run right after the reset in the radeon > > driver. I added it to my Rage128 driver too but I have > > not observed the problem with them. > > > > Framebuffer code is different and triggers the bug the > > first time the secondary display is accessed. > > > > /* Fix from ATI for problem with Radeon hardware not > > leaving ROM enabled */ > > unsigned int temp; > > temp = INREG(RADEON_MPP_TB_CONFIG); > > temp &= 0x00ffffffu; > > temp |= 0x04 << 24; > > OUTREG(RADEON_MPP_TB_CONFIG, temp); > > temp = INREG(RADEON_MPP_TB_CONFIG); > > ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01/01 _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
