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4 Commits

Author SHA1 Message Date
Dave Airlie
cd839d0048 drm: port over use_vmalloc code from git hashtab 
Signed-off-by: Dave Airlie <airlied@linux.ie>
 2007-03-11 12:07:17 +11:00
Thomas Hellstrom
8d153f7107 drm: update user token hashing and map handles 
Keep hashed user tokens, with the following changes:
32-bit physical device addresses are mapped directly to user-tokens. No
    duplicate maps are allowed, and the addresses are assumed to be outside
    of the range 0x10000000 through 0x30000000. The user-token is identical
    to the 32-bit physical start-address of the map.
64-bit physical device addressed are mapped to user-tokens in the range
0x10000000 to 0x30000000 with page-size increments. The user_token should
    not be interpreted as an address.
Other map types, like upcoming TTM maps are mapped to user-tokens in the
    range
0x10000000 to 0x30000000 with page-size increments. The user_token should
    not be interpreted as an address.

Implement hashed map lookups.

Signed-off-by: Dave Airlie <airlied@linux.ie>
 2006-09-22 05:32:31 +10:00
Thomas Hellstrom
8669cbc5e6 drm: move drm authentication to new generic hash table. 
Fix drm_remove_magic potential memory leak / corruption. Move drm
authentication token hashing to new generic hash table implementation.

Signed-off-by: Dave Airlie <airlied@linux.ie>
 2006-09-22 05:32:31 +10:00
Thomas Hellstrom
3a1bd924f3 drm: add simple DRM memory manager, and hash table 
This adds the DRM hashtable and simple memory manager implementations from
Tungsten Graphics, this is NOT the new memory manager, this is a replacement
for the SIS and VIA memory managers.

Signed-off-by: Dave Airlie <airlied@linux.ie>
 2006-09-22 05:32:31 +10:00