drm/radeon: track pinned memory (v2)

So we know how large an allocation we can allow.

v2: incorporate Michel's comments

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Alex Deucher 2014-07-17 12:09:25 -04:00
commit 71ecc97eaa
2 changed files with 17 additions and 3 deletions