diff options
| author |   Dave Airlie <airlied@redhat.com> | 2009-08-16 21:05:45 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-08-17 12:28:56 +1000 |
| commit | cefb87efc9aa0288849149484870d5ab989fbd59 (patch) | |
| tree | 0df20514740f6a816da3700989183bb253ada0c1 /drivers | |
| parent | drm/radeon/kms: cut down indirects in register accesses. (diff) | |
| download | linux-dev-cefb87efc9aa0288849149484870d5ab989fbd59.tar.xz linux-dev-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')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_gem.c | 22 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_object.c | 19 |
3 files changed, 41 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 87170a56e37b..79ad98264e33 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -242,6 +242,7 @@ int radeon_object_pin(struct radeon_object *robj, uint32_t domain, uint64_t *gpu_addr); void radeon_object_unpin(struct radeon_object *robj); int radeon_object_wait(struct radeon_object *robj); +int radeon_object_busy_domain(struct radeon_object *robj, uint32_t *cur_placement); int radeon_object_evict_vram(struct radeon_device *rdev); int radeon_object_mmap(struct radeon_object *robj, uint64_t *offset); void radeon_object_force_delete(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index cded5180c752..d4ceff13bbb1 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; } 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) { |