Name
drm_prime_sg_to_page_addr_arrays —
convert an sg table into a page array
Synopsis
int drm_prime_sg_to_page_addr_arrays ( | struct sg_table * sgt, |
| | struct page ** pages, |
| | dma_addr_t * addrs, |
| | int max_pages); |
Arguments
sgt
scatter-gather table to convert
pages
array of page pointers to store the page array in
addrs
optional array to store the dma bus address of each page
max_pages
size of both the passed-in arrays
Description
Exports an sg table into an array of pages and addresses. This is currently
required by the TTM driver in order to do correct fault handling.