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authorDave Airlie <airlied@redhat.com>2009-08-16 21:05:45 +1000
committerDave Airlie <airlied@redhat.com>2009-08-17 12:28:56 +1000
commitcefb87efc9aa0288849149484870d5ab989fbd59 (patch)
tree0df20514740f6a816da3700989183bb253ada0c1 /drivers/gpu/drm/radeon/radeon_object.c
parentde1b28989edff519d0548ebaa3f94fd3d1524cf2 (diff)
downloadblackbird-op-linux-cefb87efc9aa0288849149484870d5ab989fbd59.tar.gz
blackbird-op-linux-cefb87efc9aa0288849149484870d5ab989fbd59.zip
drm/radeon/kms: implement bo busy check + current domain
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index e98cae3bf4a6..b85fb83d7ae8 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -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) {
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