Merge "msm: kgsl: Offload mementry destroy work to separate thread" into msm-4.9 (900660cc) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/gpu/msm/kgsl.c

+27 −8

Original line number	Diff line number	Diff line
		@@ -257,6 +257,13 @@ static void _deferred_put(struct work_struct *work)
		kgsl_mem_entry_put(entry);
		}

		static inline void
		kgsl_mem_entry_put_deferred(struct kgsl_mem_entry *entry)
		{
		if (entry)
		queue_work(kgsl_driver.mem_workqueue, &entry->work);
		}

		static inline struct kgsl_mem_entry *
		kgsl_mem_entry_create(void)
		{
		@@ -266,6 +273,7 @@ kgsl_mem_entry_create(void)
		kref_init(&entry->refcount);
		/* put this ref in userspace memory alloc and map ioctls */
		kref_get(&entry->refcount);
		INIT_WORK(&entry->work, _deferred_put);
		}

		return entry;
		@@ -1877,7 +1885,7 @@ long kgsl_ioctl_sharedmem_free(struct kgsl_device_private *dev_priv,
		return -EINVAL;

		ret = gpumem_free_entry(entry);
		kgsl_mem_entry_put(entry);
		kgsl_mem_entry_put_deferred(entry);

		return ret;
		}
		@@ -1895,7 +1903,7 @@ long kgsl_ioctl_gpumem_free_id(struct kgsl_device_private *dev_priv,
		return -EINVAL;

		ret = gpumem_free_entry(entry);
		kgsl_mem_entry_put(entry);
		kgsl_mem_entry_put_deferred(entry);

		return ret;
		}
		@@ -1932,8 +1940,7 @@ static void gpuobj_free_fence_func(void *priv)
		{
		struct kgsl_mem_entry *entry = priv;

		INIT_WORK(&entry->work, _deferred_put);
		queue_work(kgsl_driver.mem_workqueue, &entry->work);
		kgsl_mem_entry_put_deferred(entry);
		}

		static long gpuobj_free_on_fence(struct kgsl_device_private *dev_priv,
		@@ -1997,7 +2004,7 @@ long kgsl_ioctl_gpuobj_free(struct kgsl_device_private *dev_priv,
		else
		ret = -EINVAL;

		kgsl_mem_entry_put(entry);
		kgsl_mem_entry_put_deferred(entry);
		return ret;
		}

		@@ -3377,7 +3384,13 @@ long kgsl_ioctl_sparse_phys_free(struct kgsl_device_private *dev_priv,
		if (entry == NULL)
		return -EINVAL;

		if (!kgsl_mem_entry_set_pend(entry)) {
		kgsl_mem_entry_put(entry);
		return -EBUSY;
		}

		if (entry->memdesc.cur_bindings != 0) {
		kgsl_mem_entry_unset_pend(entry);
		kgsl_mem_entry_put(entry);
		return -EINVAL;
		}
		@@ -3386,7 +3399,7 @@ long kgsl_ioctl_sparse_phys_free(struct kgsl_device_private *dev_priv,

		/* One put for find_id(), one put for the kgsl_mem_entry_create() */
		kgsl_mem_entry_put(entry);
		kgsl_mem_entry_put(entry);
		kgsl_mem_entry_put_deferred(entry);

		return 0;
		}
		@@ -3446,7 +3459,13 @@ long kgsl_ioctl_sparse_virt_free(struct kgsl_device_private *dev_priv,
		if (entry == NULL)
		return -EINVAL;

		if (!kgsl_mem_entry_set_pend(entry)) {
		kgsl_mem_entry_put(entry);
		return -EBUSY;
		}

		if (entry->bind_tree.rb_node != NULL) {
		kgsl_mem_entry_unset_pend(entry);
		kgsl_mem_entry_put(entry);
		return -EINVAL;
		}
		@@ -3455,7 +3474,7 @@ long kgsl_ioctl_sparse_virt_free(struct kgsl_device_private *dev_priv,

		/* One put for find_id(), one put for the kgsl_mem_entry_create() */
		kgsl_mem_entry_put(entry);
		kgsl_mem_entry_put(entry);
		kgsl_mem_entry_put_deferred(entry);

		return 0;
		}
		@@ -4853,7 +4872,7 @@ static int __init kgsl_core_init(void)
		WQ_UNBOUND \| WQ_MEM_RECLAIM \| WQ_SYSFS, 0);

		kgsl_driver.mem_workqueue = alloc_workqueue("kgsl-mementry",
		WQ_UNBOUND \| WQ_MEM_RECLAIM, 0);
		WQ_MEM_RECLAIM, 0);

		kgsl_events_init();