geemili
/
drm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

add support for 16K and 64K page sizes (Bjorn Helgaas)

main
Michel Daenzer 2002-09-29 00:12:28 +00:00
parent a33d42e2ba
commit ec48dfa835
2 changed files with 16 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
linux-core/ati_pcigart.c
View File

@ -30,14 +30,20 @@
#define __NO_VERSION__
#include "drmP.h"
#if PAGE_SIZE == 8192
#if PAGE_SIZE == 65536
# define ATI_PCIGART_TABLE_ORDER 0
# define ATI_PCIGART_TABLE_PAGES (1 << 0)
#elif PAGE_SIZE == 16384
# define ATI_PCIGART_TABLE_ORDER 1
# define ATI_PCIGART_TABLE_PAGES (1 << 1)
#elif PAGE_SIZE == 8192
# define ATI_PCIGART_TABLE_ORDER 2
# define ATI_PCIGART_TABLE_PAGES (1 << 2)
#elif PAGE_SIZE == 4096
# define ATI_PCIGART_TABLE_ORDER 3
# define ATI_PCIGART_TABLE_PAGES (1 << 3)
#else
# error - PAGE_SIZE not 8K or 4K
# error - PAGE_SIZE not 64K, 16K, 8K or 4K
#endif
# define ATI_MAX_PCIGART_PAGES 8192 /* 32 MB aperture, 4K pages */

10
linux/ati_pcigart.h
View File

@ -30,14 +30,20 @@
#define __NO_VERSION__
#include "drmP.h"
#if PAGE_SIZE == 8192
#if PAGE_SIZE == 65536
# define ATI_PCIGART_TABLE_ORDER 0
# define ATI_PCIGART_TABLE_PAGES (1 << 0)
#elif PAGE_SIZE == 16384
# define ATI_PCIGART_TABLE_ORDER 1
# define ATI_PCIGART_TABLE_PAGES (1 << 1)
#elif PAGE_SIZE == 8192
# define ATI_PCIGART_TABLE_ORDER 2
# define ATI_PCIGART_TABLE_PAGES (1 << 2)
#elif PAGE_SIZE == 4096
# define ATI_PCIGART_TABLE_ORDER 3
# define ATI_PCIGART_TABLE_PAGES (1 << 3)
#else
# error - PAGE_SIZE not 8K or 4K
# error - PAGE_SIZE not 64K, 16K, 8K or 4K
#endif
# define ATI_MAX_PCIGART_PAGES 8192 /* 32 MB aperture, 4K pages */