summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/radeon_gem.c
diff options
context:
space:
mode:
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_gem.c
parentde1b28989edff519d0548ebaa3f94fd3d1524cf2 (diff)
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_gem.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_gem.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index cded5180c75..d4ceff13bbb 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -262,7 +262,27 @@ int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)
{
- /* FIXME: implement */
+ struct drm_radeon_gem_busy *args = data;
+ struct drm_gem_object *gobj;
+ struct radeon_object *robj;
+ int r;
+ uint32_t cur_placement;
+
+ gobj = drm_gem_object_lookup(dev, filp, args->handle);
+ if (gobj == NULL) {
+ return -EINVAL;
+ }
+ robj = gobj->driver_private;
+ r = radeon_object_busy_domain(robj, &cur_placement);
+ if (cur_placement == TTM_PL_VRAM)
+ args->domain = RADEON_GEM_DOMAIN_VRAM;
+ if (cur_placement == TTM_PL_FLAG_TT)
+ args->domain = RADEON_GEM_DOMAIN_GTT;
+ if (cur_placement == TTM_PL_FLAG_SYSTEM)
+ args->domain = RADEON_GEM_DOMAIN_CPU;
+ mutex_lock(&dev->struct_mutex);
+ drm_gem_object_unreference(gobj);
+ mutex_unlock(&dev->struct_mutex);
return 0;
}