diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_tiling.c')
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_tiling.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c index ca0c2f451742..dc2a83ce44d5 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c @@ -181,22 +181,25 @@ static int i915_gem_object_fence_prepare(struct drm_i915_gem_object *obj, int tiling_mode, unsigned int stride) { + struct i915_ggtt *ggtt = &to_i915(obj->base.dev)->ggtt; struct i915_vma *vma; - int ret; + int ret = 0; if (tiling_mode == I915_TILING_NONE) return 0; + mutex_lock(&ggtt->vm.mutex); for_each_ggtt_vma(vma, obj) { if (i915_vma_fence_prepare(vma, tiling_mode, stride)) continue; - ret = i915_vma_unbind(vma); + ret = __i915_vma_unbind(vma); if (ret) - return ret; + break; } + mutex_unlock(&ggtt->vm.mutex); - return 0; + return ret; } int @@ -212,7 +215,6 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj, GEM_BUG_ON(!i915_tiling_ok(obj, tiling, stride)); GEM_BUG_ON(!stride ^ (tiling == I915_TILING_NONE)); - lockdep_assert_held(&i915->drm.struct_mutex); if ((tiling | stride) == obj->tiling_and_stride) return 0; @@ -233,16 +235,18 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj, * whilst executing a fenced command for an untiled object. */ - err = i915_gem_object_fence_prepare(obj, tiling, stride); - if (err) - return err; - i915_gem_object_lock(obj); if (i915_gem_object_is_framebuffer(obj)) { i915_gem_object_unlock(obj); return -EBUSY; } + err = i915_gem_object_fence_prepare(obj, tiling, stride); + if (err) { + i915_gem_object_unlock(obj); + return err; + } + /* If the memory has unknown (i.e. varying) swizzling, we pin the * pages to prevent them being swapped out and causing corruption * due to the change in swizzling. @@ -313,10 +317,14 @@ int i915_gem_set_tiling_ioctl(struct drm_device *dev, void *data, struct drm_file *file) { + struct drm_i915_private *dev_priv = to_i915(dev); struct drm_i915_gem_set_tiling *args = data; struct drm_i915_gem_object *obj; int err; + if (!dev_priv->ggtt.num_fences) + return -EOPNOTSUPP; + obj = i915_gem_object_lookup(file, args->handle); if (!obj) return -ENOENT; @@ -364,12 +372,7 @@ i915_gem_set_tiling_ioctl(struct drm_device *dev, void *data, } } - err = mutex_lock_interruptible(&dev->struct_mutex); - if (err) - goto err; - err = i915_gem_object_set_tiling(obj, args->tiling_mode, args->stride); - mutex_unlock(&dev->struct_mutex); /* We have to maintain this existing ABI... */ args->stride = i915_gem_object_get_stride(obj); @@ -402,6 +405,9 @@ i915_gem_get_tiling_ioctl(struct drm_device *dev, void *data, struct drm_i915_gem_object *obj; int err = -ENOENT; + if (!dev_priv->ggtt.num_fences) + return -EOPNOTSUPP; + rcu_read_lock(); obj = i915_gem_object_lookup_rcu(file, args->handle); if (obj) { |