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SubjectRe: [PATCH] Export shmem_file_setup and shmem_getpage for DRM-GEM
On 8/5/08, Keith Packard <keithp@keithp.com> wrote:
> On Mon, 2008-08-04 at 22:25 -0400, John Stoffel wrote:
>
> > What about the onboard memory of graphics cards? Isn't that where
> > Textures and such are stored as well? So once something is loaded to
> > the card, shouldn't you be able to free it in system memory? Or swap
> > it out ahead of time?
>
>
> Right now, I'm working only on Intel integrated graphics, which doesn't
> have any on-board memory. My thinking is that we'd best solve the
> easiest case first before attempting the harder discrete graphics
> driver. Plus, Intel pays me do do integrated graphics, so I have an
> incentive.
>

Right, but it sounds adventurous to merge this work upstream before it
is generic enough to work on discrete cards. Right now it only works
on intel integrated cards ; integrated cards are one business,
discrete are a completely different world and the issues afoot
completely different.

Should this go upstream, the kernel guys have to keep in mind and
accept the possibility that another memory manager might be needed at
some point.

Stephane


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