1 files changed, 22 insertions, 112 deletions

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 1e8a971a86f2..22308a1b66fc 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -131,7 +131,6 @@ static struct page **get_pages(struct drm_gem_object *obj)
 		if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED))
 			sync_for_device(msm_obj);
 
-		GEM_WARN_ON(msm_obj->active_count);
 		update_inactive(msm_obj);
 	}
 
@@ -218,31 +217,6 @@ static pgprot_t msm_gem_pgprot(struct msm_gem_object *msm_obj, pgprot_t prot)
 	return prot;
 }
 
-int msm_gem_mmap_obj(struct drm_gem_object *obj,
-		struct vm_area_struct *vma)
-{
-	struct msm_gem_object *msm_obj = to_msm_bo(obj);
-
-	vma->vm_flags &= ~VM_PFNMAP;
-	vma->vm_flags |= VM_MIXEDMAP;
-	vma->vm_page_prot = msm_gem_pgprot(msm_obj, vm_get_page_prot(vma->vm_flags));
-
-	return 0;
-}
-
-int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
-{
-	int ret;
-
-	ret = drm_gem_mmap(filp, vma);
-	if (ret) {
-		DBG("mmap failed: %d", ret);
-		return ret;
-	}
-
-	return msm_gem_mmap_obj(vma->vm_private_data, vma);
-}
-
 static vm_fault_t msm_gem_fault(struct vm_fault *vmf)
 {
 	struct vm_area_struct *vma = vmf->vma;
@@ -804,41 +778,6 @@ void msm_gem_vunmap(struct drm_gem_object *obj)
 	msm_obj->vaddr = NULL;
 }
 
-/* must be called before _move_to_active().. */
-int msm_gem_sync_object(struct drm_gem_object *obj,
-		struct msm_fence_context *fctx, bool exclusive)
-{
-	struct dma_resv_list *fobj;
-	struct dma_fence *fence;
-	int i, ret;
-
-	fobj = dma_resv_shared_list(obj->resv);
-	if (!fobj || (fobj->shared_count == 0)) {
-		fence = dma_resv_excl_fence(obj->resv);
-		/* don't need to wait on our own fences, since ring is fifo */
-		if (fence && (fence->context != fctx->context)) {
-			ret = dma_fence_wait(fence, true);
-			if (ret)
-				return ret;
-		}
-	}
-
-	if (!exclusive || !fobj)
-		return 0;
-
-	for (i = 0; i < fobj->shared_count; i++) {
-		fence = rcu_dereference_protected(fobj->shared[i],
-						dma_resv_held(obj->resv));
-		if (fence->context != fctx->context) {
-			ret = dma_fence_wait(fence, true);
-			if (ret)
-				return ret;
-		}
-	}
-
-	return 0;
-}
-
 void msm_gem_active_get(struct drm_gem_object *obj, struct msm_gpu *gpu)
 {
 	struct msm_gem_object *msm_obj = to_msm_bo(obj);
@@ -848,14 +787,12 @@ void msm_gem_active_get(struct drm_gem_object *obj, struct msm_gpu *gpu)
 	GEM_WARN_ON(!msm_gem_is_locked(obj));
 	GEM_WARN_ON(msm_obj->madv != MSM_MADV_WILLNEED);
 	GEM_WARN_ON(msm_obj->dontneed);
-	GEM_WARN_ON(!msm_obj->sgt);
 
 	if (msm_obj->active_count++ == 0) {
 		mutex_lock(&priv->mm_lock);
 		if (msm_obj->evictable)
 			mark_unevictable(msm_obj);
-		list_del(&msm_obj->mm_list);
-		list_add_tail(&msm_obj->mm_list, &gpu->active_list);
+		list_move_tail(&msm_obj->mm_list, &gpu->active_list);
 		mutex_unlock(&priv->mm_lock);
 	}
 }
@@ -1062,7 +999,7 @@ void msm_gem_describe_objects(struct list_head *list, struct seq_file *m)
 }
 #endif
 
-/* don't call directly!  Use drm_gem_object_put_locked() and friends */
+/* don't call directly!  Use drm_gem_object_put() */
 void msm_gem_free_object(struct drm_gem_object *obj)
 {
 	struct msm_gem_object *msm_obj = to_msm_bo(obj);
@@ -1114,6 +1051,17 @@ void msm_gem_free_object(struct drm_gem_object *obj)
 	kfree(msm_obj);
 }
 
+static int msm_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
+{
+	struct msm_gem_object *msm_obj = to_msm_bo(obj);
+
+	vma->vm_flags &= ~VM_PFNMAP;
+	vma->vm_flags |= VM_MIXEDMAP | VM_DONTEXPAND;
+	vma->vm_page_prot = msm_gem_pgprot(msm_obj, vm_get_page_prot(vma->vm_flags));
+
+	return 0;
+}
+
 /* convenience method to construct a GEM buffer object, and userspace handle */
 int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file,
 		uint32_t size, uint32_t flags, uint32_t *handle,
@@ -1151,6 +1099,7 @@ static const struct drm_gem_object_funcs msm_gem_object_funcs = {
 	.get_sg_table = msm_gem_prime_get_sg_table,
 	.vmap = msm_gem_prime_vmap,
 	.vunmap = msm_gem_prime_vunmap,
+	.mmap = msm_gem_object_mmap,
 	.vm_ops = &vm_ops,
 };
 
@@ -1183,7 +1132,6 @@ static int msm_gem_new_impl(struct drm_device *dev,
 	msm_obj->flags = flags;
 	msm_obj->madv = MSM_MADV_WILLNEED;
 
-	INIT_LIST_HEAD(&msm_obj->submit_entry);
 	INIT_LIST_HEAD(&msm_obj->vmas);
 
 	*obj = &msm_obj->base;
@@ -1192,8 +1140,7 @@ static int msm_gem_new_impl(struct drm_device *dev,
 	return 0;
 }
 
-static struct drm_gem_object *_msm_gem_new(struct drm_device *dev,
-		uint32_t size, uint32_t flags, bool struct_mutex_locked)
+struct drm_gem_object *msm_gem_new(struct drm_device *dev, uint32_t size, uint32_t flags)
 {
 	struct msm_drm_private *priv = dev->dev_private;
 	struct msm_gem_object *msm_obj;
@@ -1280,26 +1227,10 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev,
 	return obj;
 
 fail:
-	if (struct_mutex_locked) {
-		drm_gem_object_put_locked(obj);
-	} else {
-		drm_gem_object_put(obj);
-	}
+	drm_gem_object_put(obj);
 	return ERR_PTR(ret);
 }
 
-struct drm_gem_object *msm_gem_new_locked(struct drm_device *dev,
-		uint32_t size, uint32_t flags)
-{
-	return _msm_gem_new(dev, size, flags, true);
-}
-
-struct drm_gem_object *msm_gem_new(struct drm_device *dev,
-		uint32_t size, uint32_t flags)
-{
-	return _msm_gem_new(dev, size, flags, false);
-}
-
 struct drm_gem_object *msm_gem_import(struct drm_device *dev,
 		struct dma_buf *dmabuf, struct sg_table *sgt)
 {
@@ -1358,12 +1289,12 @@ fail:
 	return ERR_PTR(ret);
 }
 
-static void *_msm_gem_kernel_new(struct drm_device *dev, uint32_t size,
+void *msm_gem_kernel_new(struct drm_device *dev, uint32_t size,
 		uint32_t flags, struct msm_gem_address_space *aspace,
-		struct drm_gem_object **bo, uint64_t *iova, bool locked)
+		struct drm_gem_object **bo, uint64_t *iova)
 {
 	void *vaddr;
-	struct drm_gem_object *obj = _msm_gem_new(dev, size, flags, locked);
+	struct drm_gem_object *obj = msm_gem_new(dev, size, flags);
 	int ret;
 
 	if (IS_ERR(obj))
@@ -1387,42 +1318,21 @@ static void *_msm_gem_kernel_new(struct drm_device *dev, uint32_t size,
 
 	return vaddr;
 err:
-	if (locked)
-		drm_gem_object_put_locked(obj);
-	else
-		drm_gem_object_put(obj);
+	drm_gem_object_put(obj);
 
 	return ERR_PTR(ret);
 
 }
 
-void *msm_gem_kernel_new(struct drm_device *dev, uint32_t size,
-		uint32_t flags, struct msm_gem_address_space *aspace,
-		struct drm_gem_object **bo, uint64_t *iova)
-{
-	return _msm_gem_kernel_new(dev, size, flags, aspace, bo, iova, false);
-}
-
-void *msm_gem_kernel_new_locked(struct drm_device *dev, uint32_t size,
-		uint32_t flags, struct msm_gem_address_space *aspace,
-		struct drm_gem_object **bo, uint64_t *iova)
-{
-	return _msm_gem_kernel_new(dev, size, flags, aspace, bo, iova, true);
-}
-
 void msm_gem_kernel_put(struct drm_gem_object *bo,
-		struct msm_gem_address_space *aspace, bool locked)
+		struct msm_gem_address_space *aspace)
 {
 	if (IS_ERR_OR_NULL(bo))
 		return;
 
 	msm_gem_put_vaddr(bo);
 	msm_gem_unpin_iova(bo, aspace);
-
-	if (locked)
-		drm_gem_object_put_locked(bo);
-	else
-		drm_gem_object_put(bo);
+	drm_gem_object_put(bo);
 }
 
 void msm_gem_object_set_name(struct drm_gem_object *bo, const char *fmt, ...)