drm/ttm: Allow system memory as a busy placement.

This is needed to fix a vmwgfx memory usage bug.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Thomas Hellstrom 2010-01-16 16:05:04 +01:00 committed by Dave Airlie
parent 9299795c6e
commit 0eaddb28d3

View File

@ -943,6 +943,14 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
ttm_flag_masked(&cur_flags, placement->busy_placement[i],
~TTM_PL_MASK_MEMTYPE);
if (mem_type == TTM_PL_SYSTEM) {
mem->mem_type = mem_type;
mem->placement = cur_flags;
mem->mm_node = NULL;
return 0;
}
ret = ttm_bo_mem_force_space(bo, mem_type, placement, mem,
interruptible, no_wait);
if (ret == 0 && mem->mm_node) {