On Sat, 2007-12-22 at 09:09 +0100, Thomas Hellström wrote:
> This should be easy. We can have drm_ttm_get_page() come in two
> varieties, one which tests
> for NULL only and one that tests for dummy_page or NULL and allocates a
> new page if needed. drm_ttm_get_page() is called from the nopfn()
Keith Packard wrote:
>On Fri, 2007-12-21 at 14:01 +0100, Thomas Hellström wrote:
>
>
>
>>This looks like a good thing, but is there a way we can avoid doing this
>>in the ttm backend?
>>Some backends (Poulsbo, and I think Dave's work on Radeon) implement a
>>null populate() function and use th
On Fri, 2007-12-21 at 14:01 +0100, Thomas Hellström wrote:
> This looks like a good thing, but is there a way we can avoid doing this
> in the ttm backend?
> Some backends (Poulsbo, and I think Dave's work on Radeon) implement a
> null populate() function and use the ttm page array directly.
>
Keith Packard wrote:
>Right now, validating a buffer object forces every missing page to be
>allocated. That means for things like vertex buffer objects, we either
>need to create them at the 'right' size, or pay a significant penalty
>when a large buffer is mapped to the card.
>
>It seems like it
Right now, validating a buffer object forces every missing page to be
allocated. That means for things like vertex buffer objects, we either
need to create them at the 'right' size, or pay a significant penalty
when a large buffer is mapped to the card.
It seems like it should be far better to jus
