Messages in this thread | | | Date | Tue, 11 Nov 2008 08:50:39 +0000 (GMT) | From | Dave Airlie <> | Subject | Re: thinkpad x200 X.server not work with gm4500 graphics |
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On Tue, 11 Nov 2008, Andrew Morton wrote:
> On Mon, 10 Nov 2008 23:25:18 +0800 arrow.ebd@gmail.com wrote: > > > deal, > > > > My thinkpad x200's X.server can not startup on the kernel 2.6.28, > > Were any earlier kernels OK? If so, which version(s)?
What userspace Intel X driver is in use? afaik the GM45 wasn't supported until after we fixed this issue. Hacking around the size in the kernel won't actually fix the problem it actually makes a lot of things a lot worse.
Dave.
> > Thanks. > > > and dmesg will show as below: > > -->>-- > > [drm] Initialized drm 1.1.0 20060810 > > pci 0000:00:02.0: power state changed by ACPI to D0 > > pci 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 > > pci 0000:00:02.0: setting latency timer to 64 > > [drm] Initialized i915 1.6.0 20060119 on minor 0 > > pci 0000:00:02.0: pg_start == 0x00001f7f, intel_private.gtt_entries == 0x00001fff > > pci 0000:00:02.0: trying to insert into local/stolen memory > > --<<-- > > > > Then, I change file "drivers/char/agp/intel-agp.c" as this: > > -->>-- > > --diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c > > index 9cf6e9b..e681f75 100644 > > --- a/drivers/char/agp/intel-agp.c > > +++ b/drivers/char/agp/intel-agp.c > > @@ -528,7 +528,8 @@ static void intel_i830_init_gtt_entries(void) > > * stolen, ignore it in stolen gtt entries counting. However, > > * 4KB of the stolen memory doesn't get mapped to the GTT. > > */ > > - size = 4; > > + /* size = 4; */ > > + size = 516; > > } else { > > /* On previous hardware, the GTT size was just what was > > * required to map the aperture. > > --<<-- > > > > And Xorg can start now. > > (1) Is it correct ? > > Because older kernel use size as "512 + 4" at here, but now use "size = 4". > > (2) How to deal with it if the patch is not right ? > > (3) How to get more specification about gm4500 ? > >
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