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video/drm: batch update

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git-svn-id: svn://kolibrios.org@3031 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2012-11-12 21:22:52 +00:00
parent 6c5d6e467f
commit b2cc525b46
131 changed files with 29372 additions and 11450 deletions
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36
drivers/include/linux/kernel.h
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@@ -29,6 +29,7 @@
#define LLONG_MAX ((long long)(~0ULL>>1))
#define LLONG_MIN (-LLONG_MAX - 1)
#define ULLONG_MAX (~0ULL)
#define SIZE_MAX (~(size_t)0)
#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
@@ -306,6 +307,9 @@ static inline void writeq(__u64 val, volatile void __iomem *addr)
writel(val >> 32, addr+4);
}
#define swap(a, b) \
do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
#define mmiowb() barrier()
@@ -329,6 +333,34 @@ struct scatterlist {
unsigned int dma_length;
};
struct sg_table {
struct scatterlist *sgl; /* the list */
unsigned int nents; /* number of mapped entries */
unsigned int orig_nents; /* original size of list */
};
#define SG_MAX_SINGLE_ALLOC (4096 / sizeof(struct scatterlist))
struct scatterlist *sg_next(struct scatterlist *sg);
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->length)
#define sg_is_chain(sg) ((sg)->page_link & 0x01)
#define sg_is_last(sg) ((sg)->page_link & 0x02)
#define sg_chain_ptr(sg) \
((struct scatterlist *) ((sg)->page_link & ~0x03))
static inline addr_t sg_page(struct scatterlist *sg)
{
return (addr_t)((sg)->page_link & ~0x3);
}
#define for_each_sg(sglist, sg, nr, __i) \
for (__i = 0, sg = (sglist); __i < (nr); __i++, sg = sg_next(sg))
struct page
{
unsigned int addr;
@@ -347,6 +379,10 @@ struct vm_fault {
*/
};
struct pagelist {
dma_addr_t *page;
unsigned int nents;
};
#endif