Re: [Dri-devel] i810_dma.c

[Jeff H. <jha...@pr...>]

Evaldas Darcianovas wrote:
> 
> Hello
> 
> Here goes the problem.  I'm owner of i810-dc100 video chipset, updating
> CVS mga-0-0-3 branch every day but never succeed to enable DRI :-)
> Line 161 in programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_dma.c
> gives compile error about VM_DONTCOPY undefined:
>         vma->vm_flags |= (VM_IO | VM_DONTCOPY);
> 
> I tried VM_LOCKED or VM_DENYWRITE instead of VM_DONTCOPY..  Don't know if
> the following error on ./XFree86 is related to these changes:
> 
> (0): [drm] created "i810" driver at busid "PCI:0:1:0"
> (0): [drm] added 4096 byte SAREA at 0xc3545000
> (0): [drm] mapped SAREA 0xc3545000 to 0x40014000
> (0): [drm] framebuffer handle = 0xd0000000
> (0): [drm] added 1 reserved context for kernel
> (II) I810(0): [drm] Registers = 0xd6000000
> (II) I810(0): GART: Found 4096K Z buffer memory
> (II) I810(0): Bound backbuffer memory
> (II) I810(0): GART: Allocated 4K for mouse cursor image
> (II) I810(0): Allocated Scratch Memory
> Not enough memory for dma buffers
> 
> Any hints please?  Kernel version is 2.3.99-pre5 with agpgart module and
> dri disabled, distribution debian slink.
> 
> Sincerely,
> Evaldas Darcianovas
> 
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You need kernel 2.3.99-pre6 or higher.

-Jeff