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.
AUTHORS
Jesse Barnes <[email protected]>
Intel Corporation,
Initial version
Laurent Pinchart <[email protected]>
Ideas on board SPRL,
Driver internals
Daniel Vetter <[email protected]>
Intel Corporation,
Contributions all over the place