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drm/radeon/kms: implement bo busy check + current domain

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This implements the busy ioctl along with a current domain check.
returns 0 or -EBUSY
puts the current domain no matter what the answer.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2009-08-16 21:05:45 +10:00
parent de1b28989e
commit cefb87efc9
4 changed files with 42 additions and 2 deletions
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19
drivers/gpu/drm/radeon/radeon_object.c
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@@ -316,6 +316,25 @@ int radeon_object_wait(struct radeon_object *robj)
return r;
}
int radeon_object_busy_domain(struct radeon_object *robj, uint32_t *cur_placement)
{
int r = 0;
r = radeon_object_reserve(robj, true);
if (unlikely(r != 0)) {
DRM_ERROR("radeon: failed to reserve object for waiting.\n");
return r;
}
spin_lock(&robj->tobj.lock);
*cur_placement = robj->tobj.mem.mem_type;
if (robj->tobj.sync_obj) {
r = ttm_bo_wait(&robj->tobj, true, true, true);
}
spin_unlock(&robj->tobj.lock);
radeon_object_unreserve(robj);
return r;
}
int radeon_object_evict_vram(struct radeon_device *rdev)
{
if (rdev->flags & RADEON_IS_IGP) {