On Wed, Nov 16, 2011 at 10:50:01AM -0500, Konrad Rzeszutek Wilk wrote:
> > +int ttm_dma_populate(struct ttm_tt *ttm, struct device *dev)
> > +{
> .. snip..
>
> > + for (i = 0; i < ttm->num_pages; ++i) {
> > + ret = ttm_dma_pool_get_pages(pool, ttm, i);
> > + if (ret != 0) {
>
> +int ttm_dma_populate(struct ttm_tt *ttm, struct device *dev)
> +{
.. snip..
> + for (i = 0; i < ttm->num_pages; ++i) {
> + ret = ttm_dma_pool_get_pages(pool, ttm, i);
> + if (ret != 0) {
> + ttm_dma_unpopulate(ttm, dev);
> + re
On Wed, Nov 16, 2011 at 10:50:01AM -0500, Konrad Rzeszutek Wilk wrote:
> > +int ttm_dma_populate(struct ttm_tt *ttm, struct device *dev)
> > +{
> .. snip..
>
> > + for (i = 0; i < ttm->num_pages; ++i) {
> > + ret = ttm_dma_pool_get_pages(pool, ttm, i);
> > + if (ret != 0) {
>
> +int ttm_dma_populate(struct ttm_tt *ttm, struct device *dev)
> +{
.. snip..
> + for (i = 0; i < ttm->num_pages; ++i) {
> + ret = ttm_dma_pool_get_pages(pool, ttm, i);
> + if (ret != 0) {
> + ttm_dma_unpopulate(ttm, dev);
> + re
From: Konrad Rzeszutek Wilk
In TTM world the pages for the graphic drivers are kept in three different
pools: write combined, uncached, and cached (write-back). When the pages
are used by the graphic driver the graphic adapter via its built in MMU
(or AGP) programs these pages in. The programming
From: Konrad Rzeszutek Wilk
In TTM world the pages for the graphic drivers are kept in three different
pools: write combined, uncached, and cached (write-back). When the pages
are used by the graphic driver the graphic adapter via its built in MMU
(or AGP) programs these pages in. The programming
