drm/radeon: make sa bo a stand alone object

Allocating and freeing it seperately.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/radeon.h

@@ -638,7 +638,7 @@ void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
  */
 
 struct radeon_ib {
-	struct radeon_sa_bo	sa_bo;
+	struct radeon_sa_bo	*sa_bo;
 	unsigned		idx;
 	uint32_t		length_dw;
 	uint64_t		gpu_addr;
@@ -693,7 +693,7 @@ struct radeon_vm {
 	unsigned			last_pfn;
 	u64				pt_gpu_addr;
 	u64				*pt;
-	struct radeon_sa_bo		sa_bo;
+	struct radeon_sa_bo		*sa_bo;
 	struct mutex			mutex;
 	/* last fence for cs using this vm */
 	struct radeon_fence		*fence;

drivers/gpu/drm/radeon/radeon_cs.c

@@ -477,7 +477,7 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
 		/* ib pool is bind at 0 in virtual address space to gpu_addr is the
 		 * offset inside the pool bo
 		 */
-		parser->const_ib->gpu_addr = parser->const_ib->sa_bo.soffset;
+		parser->const_ib->gpu_addr = parser->const_ib->sa_bo->soffset;
 		r = radeon_ib_schedule(rdev, parser->const_ib);
 		if (r)
 			goto out;
@@ -487,7 +487,7 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
 	/* ib pool is bind at 0 in virtual address space to gpu_addr is the
 	 * offset inside the pool bo
 	 */
-	parser->ib->gpu_addr = parser->ib->sa_bo.soffset;
+	parser->ib->gpu_addr = parser->ib->sa_bo->soffset;
 	parser->ib->is_const_ib = false;
 	r = radeon_ib_schedule(rdev, parser->ib);
 out:

drivers/gpu/drm/radeon/radeon_gart.c

@@ -404,8 +404,8 @@ retry:
 		radeon_vm_unbind(rdev, vm_evict);
 		goto retry;
 	}
-	vm->pt = radeon_sa_bo_cpu_addr(&vm->sa_bo);
-	vm->pt_gpu_addr = radeon_sa_bo_gpu_addr(&vm->sa_bo);
+	vm->pt = radeon_sa_bo_cpu_addr(vm->sa_bo);
+	vm->pt_gpu_addr = radeon_sa_bo_gpu_addr(vm->sa_bo);
 	memset(vm->pt, 0, RADEON_GPU_PAGE_ALIGN(vm->last_pfn * 8));
 
 retry_id:

drivers/gpu/drm/radeon/radeon_object.h

@@ -168,10 +168,10 @@ extern int radeon_sa_bo_manager_suspend(struct radeon_device *rdev,
 					struct radeon_sa_manager *sa_manager);
 extern int radeon_sa_bo_new(struct radeon_device *rdev,
 			    struct radeon_sa_manager *sa_manager,
-			    struct radeon_sa_bo *sa_bo,
+			    struct radeon_sa_bo **sa_bo,
 			    unsigned size, unsigned align);
 extern void radeon_sa_bo_free(struct radeon_device *rdev,
-			      struct radeon_sa_bo *sa_bo);
+			      struct radeon_sa_bo **sa_bo);
 #if defined(CONFIG_DEBUG_FS)
 extern void radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager,
 					 struct seq_file *m);

drivers/gpu/drm/radeon/radeon_ring.c

@@ -127,8 +127,8 @@ retry:
 					     size, 256);
 			if (!r) {
 				*ib = &rdev->ib_pool.ibs[idx];
-				(*ib)->ptr = radeon_sa_bo_cpu_addr(&(*ib)->sa_bo);
-				(*ib)->gpu_addr = radeon_sa_bo_gpu_addr(&(*ib)->sa_bo);
+				(*ib)->ptr = radeon_sa_bo_cpu_addr((*ib)->sa_bo);
+				(*ib)->gpu_addr = radeon_sa_bo_gpu_addr((*ib)->sa_bo);
 				(*ib)->fence = fence;
 				(*ib)->vm_id = 0;
 				(*ib)->is_const_ib = false;
@@ -227,7 +227,7 @@ int radeon_ib_pool_init(struct radeon_device *rdev)
 		rdev->ib_pool.ibs[i].fence = NULL;
 		rdev->ib_pool.ibs[i].idx = i;
 		rdev->ib_pool.ibs[i].length_dw = 0;
-		INIT_LIST_HEAD(&rdev->ib_pool.ibs[i].sa_bo.list);
+		rdev->ib_pool.ibs[i].sa_bo = NULL;
 	}
 	rdev->ib_pool.head_id = 0;
 	rdev->ib_pool.ready = true;

drivers/gpu/drm/radeon/radeon_sa.c

@@ -131,7 +131,7 @@ int radeon_sa_bo_manager_suspend(struct radeon_device *rdev,
  */
 int radeon_sa_bo_new(struct radeon_device *rdev,
 		     struct radeon_sa_manager *sa_manager,
-		     struct radeon_sa_bo *sa_bo,
+		     struct radeon_sa_bo **sa_bo,
 		     unsigned size, unsigned align)
 {
 	struct radeon_sa_bo *tmp;
@@ -140,6 +140,9 @@ int radeon_sa_bo_new(struct radeon_device *rdev,
 
 	BUG_ON(align > RADEON_GPU_PAGE_SIZE);
 	BUG_ON(size > sa_manager->size);
+
+	*sa_bo = kmalloc(sizeof(struct radeon_sa_bo), GFP_KERNEL);
+
 	spin_lock(&sa_manager->lock);
 
 	/* no one ? */
@@ -175,23 +178,30 @@ int radeon_sa_bo_new(struct radeon_device *rdev,
 	if ((sa_manager->size - offset) < size) {
 		/* failed to find somethings big enough */
 		spin_unlock(&sa_manager->lock);
+		kfree(*sa_bo);
+		*sa_bo = NULL;
 		return -ENOMEM;
 	}
 
 out:
-	sa_bo->manager = sa_manager;
-	sa_bo->soffset = offset;
-	sa_bo->eoffset = offset + size;
-	list_add(&sa_bo->list, head);
+	(*sa_bo)->manager = sa_manager;
+	(*sa_bo)->soffset = offset;
+	(*sa_bo)->eoffset = offset + size;
+	list_add(&(*sa_bo)->list, head);
 	spin_unlock(&sa_manager->lock);
 	return 0;
 }
 
-void radeon_sa_bo_free(struct radeon_device *rdev, struct radeon_sa_bo *sa_bo)
+void radeon_sa_bo_free(struct radeon_device *rdev, struct radeon_sa_bo **sa_bo)
 {
-	spin_lock(&sa_bo->manager->lock);
-	list_del_init(&sa_bo->list);
-	spin_unlock(&sa_bo->manager->lock);
+	if (!sa_bo || !*sa_bo)
+		return;
+
+	spin_lock(&(*sa_bo)->manager->lock);
+	list_del_init(&(*sa_bo)->list);
+	spin_unlock(&(*sa_bo)->manager->lock);
+	kfree(*sa_bo);
+	*sa_bo = NULL;
 }
 
 #if defined(CONFIG_DEBUG_FS)

drivers/gpu/drm/radeon/radeon_semaphore.c

@@ -53,8 +53,8 @@ static int radeon_semaphore_add_bo(struct radeon_device *rdev)
 		kfree(bo);
 		return r;
 	}
-	gpu_addr = radeon_sa_bo_gpu_addr(&bo->ib->sa_bo);
-	cpu_ptr = radeon_sa_bo_cpu_addr(&bo->ib->sa_bo);
+	gpu_addr = radeon_sa_bo_gpu_addr(bo->ib->sa_bo);
+	cpu_ptr = radeon_sa_bo_cpu_addr(bo->ib->sa_bo);
 	for (i = 0; i < (RADEON_SEMAPHORE_BO_SIZE/8); i++) {
 		bo->semaphores[i].gpu_addr = gpu_addr;
 		bo->semaphores[i].cpu_ptr = cpu_ptr;