[PATCH 10/11] drm/i915: create an object_is_active()

[ben at bwidawsk.net (Ben Widawsky)]

This is simply obj->active for now, but will serve a purpose when we
track activity per vma.

Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
---
 drivers/gpu/drm/i915/i915_drv.h            |  1 +
 drivers/gpu/drm/i915/i915_gem.c            | 18 ++++++++++++------
 drivers/gpu/drm/i915/i915_gem_execbuffer.c |  2 +-
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index b98ad82..38d07f2 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1716,6 +1716,7 @@ static inline void i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
 int __must_check i915_mutex_lock_interruptible(struct drm_device *dev);
 int i915_gem_object_sync(struct drm_i915_gem_object *obj,
 			 struct intel_ring_buffer *to);
+bool i915_gem_object_is_active(struct drm_i915_gem_object *obj);
 void i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
 				    struct i915_address_space *vm,
 				    struct intel_ring_buffer *ring);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 9a58363..c2ecb78 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -134,10 +134,16 @@ int i915_mutex_lock_interruptible(struct drm_device *dev)
 	return 0;
 }
 
+/* NB: Not the same as !i915_gem_object_is_inactive */
+bool i915_gem_object_is_active(struct drm_i915_gem_object *obj)
+{
+	return obj->active;
+}
+
 static inline bool
 i915_gem_object_is_inactive(struct drm_i915_gem_object *obj)
 {
-	return i915_gem_obj_bound_any(obj) && !obj->active;
+	return i915_gem_obj_bound_any(obj) && !i915_gem_object_is_active(obj);
 }
 
 int
@@ -1894,7 +1900,7 @@ i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
 	obj->ring = ring;
 
 	/* Add a reference if we're newly entering the active list. */
-	if (!obj->active) {
+	if (!i915_gem_object_is_active(obj)) {
 		drm_gem_object_reference(&obj->base);
 		obj->active = 1;
 	}
@@ -1927,7 +1933,7 @@ i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj,
 	struct i915_vma *vma;
 
 	BUG_ON(obj->base.write_domain & ~I915_GEM_GPU_DOMAINS);
-	BUG_ON(!obj->active);
+	BUG_ON(!i915_gem_object_is_active(obj));
 
 	vma = i915_gem_obj_to_vma(obj, vm);
 	list_move_tail(&vma->mm_list, &vm->inactive_list);
@@ -2437,7 +2443,7 @@ i915_gem_object_flush_active(struct drm_i915_gem_object *obj)
 {
 	int ret;
 
-	if (obj->active) {
+	if (i915_gem_object_is_active(obj)) {
 		ret = i915_gem_check_olr(obj->ring, obj->last_read_seqno);
 		if (ret)
 			return ret;
@@ -2502,7 +2508,7 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 	if (ret)
 		goto out;
 
-	if (obj->active) {
+	if (i915_gem_object_is_active(obj)) {
 		seqno = obj->last_read_seqno;
 		ring = obj->ring;
 	}
@@ -3872,7 +3878,7 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
 	 */
 	ret = i915_gem_object_flush_active(obj);
 
-	args->busy = obj->active;
+	args->busy = i915_gem_object_is_active(obj);
 	if (obj->ring) {
 		BUILD_BUG_ON(I915_NUM_RINGS > 16);
 		args->busy |= intel_ring_flag(obj->ring) << 16;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index e90182d..725dd7f 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -251,7 +251,7 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
 	}
 
 	/* We can't wait for rendering with pagefaults disabled */
-	if (obj->active && in_atomic())
+	if (i915_gem_object_is_active(obj) && in_atomic())
 		return -EFAULT;
 
 	reloc->delta += target_offset;
-- 
1.8.3.2