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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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22
drivers/gpu/drm/radeon/radeon_gem.c
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@@ -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;
}