That is expected behavior. Without vesa the savage driver can take complete control of the hardware and mark everything in use.
With vesa loaded the DRM driver will detect that it is loaded and switch into stealth mode. In stealth mode DRM uses all of the resources without telling the kernel. It has to do this so it won't conflict with the resource allocation code in vesafb. Stealth mode isn't good because it messes up hotplug. but we have to keep stealth mode until with fix the other drivers. The plan is to add fbdev capability to the DRM so that you won't need to run vesafb. DRM will give you the features found in VESA fb instead of you needing to load it separately. On Fri, 10 Sep 2004 15:31:35 +0200, Felix Kühling <[EMAIL PROTECTED]> wrote: > I tested your patch with Savage, without VesaFB: > > # cat /proc/iomem > ... > d0000000-d7ffffff : PCI Bus #01 > d0000000-d7ffffff : 0000:01:00.0 > d0000000-d7ffffff : savage > ... > dc000000-ddffffff : PCI Bus #01 > dd000000-dd07ffff : 0000:01:00.0 > dd000000-dd07ffff : savage > ... > > On my notebook, where I have VesaFB loaded, I get this: > > # cat /proc/iomem > ... > 90000000-9fffffff : PCI Bus #01 > 90000000-97ffffff : 0000:01:00.0 > 90000000-9017ffff : vesafb > ... > e0000000-efffffff : PCI Bus #01 > e0000000-e007ffff : 0000:01:00.0 > ... > > The first region (frame buffer and apperture) is claimed (partially) by > vesafb, the second one (MMIO registers) is not claimed at all. I don't > see an obvious way to fix this. > > Felix > > On Thu, 9 Sep 2004 22:01:18 -0400 > > > Jon Smirl <[EMAIL PROTECTED]> wrote: > > > This should fix it in general for all cards and make it into Linux > > specific code. I gave it a minimal test and it works for me. > > > > If it's working right cat /proc/iomem /proc/ioports will show the > > driver as owning the resources. pci_request_regions() will fail if > > called in stealth mode so it needs to be protected by !DRM(fb_loaded). > > In stealth mode it's the other drivers responsibility to reserve the > > resources. > > > > Check it in if you like it. > > > > -- > > Jon Smirl > > [EMAIL PROTECTED] > > > > > | Felix Kühling <[EMAIL PROTECTED]> http://fxk.de.vu | > | PGP Fingerprint: 6A3C 9566 5B30 DDED 73C3 B152 151C 5CC1 D888 E595 | > -- Jon Smirl [EMAIL PROTECTED] ------------------------------------------------------- This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170 Project Admins to receive an Apple iPod Mini FREE for your judgement on who ports your project to Linux PPC the best. Sponsored by IBM. Deadline: Sept. 13. Go here: http://sf.net/ppc_contest.php -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
