[RFC PATCH v2 1/2] drm/i915: Export current required functions for GVT

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This trys to export all required i915 functions for GVT.

Signed-off-by: Zhenyu Wang <zhenyuw@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_gem.c           | 11 +++++++++++
 drivers/gpu/drm/i915/i915_gem_context.c   |  2 ++
 drivers/gpu/drm/i915/i915_gem_dmabuf.c    |  1 +
 drivers/gpu/drm/i915/i915_gem_fence_reg.c |  2 ++
 drivers/gpu/drm/i915/i915_gem_gtt.c       |  1 +
 drivers/gpu/drm/i915/i915_request.c       |  3 +++
 drivers/gpu/drm/i915/i915_vma.c           |  2 ++
 drivers/gpu/drm/i915/intel_ringbuffer.c   |  1 +
 drivers/gpu/drm/i915/intel_runtime_pm.c   |  2 ++
 drivers/gpu/drm/i915/intel_uncore.c       |  3 +++
 10 files changed, 28 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c55b1f75c980..9af6e9810f85 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -701,6 +701,7 @@ void *i915_gem_object_alloc(struct drm_i915_private *dev_priv)
 {
 	return kmem_cache_zalloc(dev_priv->objects, GFP_KERNEL);
 }
+EXPORT_SYMBOL_GPL(i915_gem_object_alloc);
 
 void i915_gem_object_free(struct drm_i915_gem_object *obj)
 {
@@ -1029,6 +1030,7 @@ int i915_gem_obj_prepare_shmem_write(struct drm_i915_gem_object *obj,
 	i915_gem_object_unpin_pages(obj);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(i915_gem_obj_prepare_shmem_write);
 
 static void
 shmem_clflush_swizzled_range(char *addr, unsigned long length,
@@ -2764,6 +2766,7 @@ void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj,
 	list_add(&obj->mm.link, &i915->mm.unbound_list);
 	spin_unlock(&i915->mm.obj_lock);
 }
+EXPORT_SYMBOL_GPL(__i915_gem_object_set_pages);
 
 static int ____i915_gem_object_get_pages(struct drm_i915_gem_object *obj)
 {
@@ -2930,6 +2933,7 @@ void *i915_gem_object_pin_map(struct drm_i915_gem_object *obj,
 	ptr = ERR_PTR(ret);
 	goto out_unlock;
 }
+EXPORT_SYMBOL_GPL(i915_gem_object_pin_map);
 
 static int
 i915_gem_object_pwrite_gtt(struct drm_i915_gem_object *obj,
@@ -4041,6 +4045,7 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write)
 	i915_gem_object_unpin_pages(obj);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(i915_gem_object_set_to_gtt_domain);
 
 /**
  * Changes the cache-level of an object across all VMA.
@@ -4406,6 +4411,7 @@ i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(i915_gem_object_set_to_cpu_domain);
 
 /* Throttle our rendering by waiting until the ring has completed our requests
  * emitted over 20 msec ago.
@@ -4535,6 +4541,7 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
 
 	return vma;
 }
+EXPORT_SYMBOL_GPL(i915_gem_object_ggtt_pin);
 
 static __always_inline unsigned int __busy_read_flag(unsigned int id)
 {
@@ -4758,6 +4765,7 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj,
 
 	i915_gem_info_add_obj(to_i915(obj->base.dev), obj->base.size);
 }
+EXPORT_SYMBOL_GPL(i915_gem_object_init);
 
 static const struct drm_i915_gem_object_ops i915_gem_object_ops = {
 	.flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE |
@@ -4864,6 +4872,7 @@ i915_gem_object_create(struct drm_i915_private *dev_priv, u64 size)
 	i915_gem_object_free(obj);
 	return ERR_PTR(ret);
 }
+EXPORT_SYMBOL_GPL(i915_gem_object_create);
 
 static bool discard_backing_storage(struct drm_i915_gem_object *obj)
 {
@@ -5061,6 +5070,7 @@ void __i915_gem_object_release_unless_active(struct drm_i915_gem_object *obj)
 	else
 		i915_gem_object_put(obj);
 }
+EXPORT_SYMBOL_GPL(__i915_gem_object_release_unless_active);
 
 void i915_gem_sanitize(struct drm_i915_private *i915)
 {
@@ -6168,6 +6178,7 @@ i915_gem_object_get_page(struct drm_i915_gem_object *obj, unsigned int n)
 	sg = i915_gem_object_get_sg(obj, n, &offset);
 	return nth_page(sg_page(sg), offset);
 }
+EXPORT_SYMBOL_GPL(i915_gem_object_get_page);
 
 /* Like i915_gem_object_get_page(), but mark the returned page dirty */
 struct page *
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index b97963db0287..212b8d176d25 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -274,6 +274,7 @@ void i915_gem_context_release(struct kref *ref)
 	if (llist_add(&ctx->free_link, &i915->contexts.free_list))
 		queue_work(i915->wq, &i915->contexts.free_work);
 }
+EXPORT_SYMBOL_GPL(i915_gem_context_release);
 
 static void context_close(struct i915_gem_context *ctx)
 {
@@ -473,6 +474,7 @@ i915_gem_context_create_gvt(struct drm_device *dev)
 	mutex_unlock(&dev->struct_mutex);
 	return ctx;
 }
+EXPORT_SYMBOL_GPL(i915_gem_context_create_gvt);
 
 static void
 destroy_kernel_context(struct i915_gem_context **ctxp)
diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
index 82e2ca17a441..ac98b094220c 100644
--- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -244,6 +244,7 @@ struct dma_buf *i915_gem_prime_export(struct drm_device *dev,
 
 	return drm_gem_dmabuf_export(dev, &exp_info);
 }
+EXPORT_SYMBOL_GPL(i915_gem_prime_export);
 
 static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj)
 {
diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.c b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
index d548ac05ccd7..21b79c1f61d0 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence_reg.c
+++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
@@ -420,6 +420,7 @@ i915_reserve_fence(struct drm_i915_private *dev_priv)
 	list_del(&fence->link);
 	return fence;
 }
+EXPORT_SYMBOL_GPL(i915_reserve_fence);
 
 /**
  * i915_unreserve_fence - Reclaim a reserved fence
@@ -433,6 +434,7 @@ void i915_unreserve_fence(struct drm_i915_fence_reg *fence)
 
 	list_add(&fence->link, &fence->i915->mm.fence_list);
 }
+EXPORT_SYMBOL_GPL(i915_unreserve_fence);
 
 /**
  * i915_gem_revoke_fences - revoke fence state
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index add1fe7aeb93..75dd6ebf517e 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -4040,6 +4040,7 @@ int i915_gem_gtt_insert(struct i915_address_space *vm,
 					   size, alignment, color,
 					   start, end, DRM_MM_INSERT_EVICT);
 }
+EXPORT_SYMBOL_GPL(i915_gem_gtt_insert);
 
 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
 #include "selftests/mock_gtt.c"
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index 71107540581d..0048fd9bb899 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -749,6 +749,7 @@ i915_request_alloc(struct intel_engine_cs *engine, struct i915_gem_context *ctx)
 	intel_context_unpin(ce);
 	return ERR_PTR(ret);
 }
+EXPORT_SYMBOL_GPL(i915_request_alloc);
 
 static int
 i915_request_await_request(struct i915_request *to, struct i915_request *from)
@@ -1073,6 +1074,7 @@ void i915_request_add(struct i915_request *request)
 	if (prev && i915_request_completed(prev))
 		i915_request_retire_upto(prev);
 }
+EXPORT_SYMBOL_GPL(i915_request_add);
 
 static unsigned long local_clock_us(unsigned int *cpu)
 {
@@ -1339,6 +1341,7 @@ long i915_request_wait(struct i915_request *rq,
 
 	return timeout;
 }
+EXPORT_SYMBOL_GPL(i915_request_wait);
 
 static void ring_retire_requests(struct intel_ring *ring)
 {
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 5b4d78cdb4ca..704f18a8ecd3 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -783,6 +783,7 @@ void i915_vma_close(struct i915_vma *vma)
 	 */
 	list_add_tail(&vma->closed_link, &vma->vm->i915->gt.closed_vma);
 }
+EXPORT_SYMBOL_GPL(i915_vma_close);
 
 void i915_vma_reopen(struct i915_vma *vma)
 {
@@ -1028,6 +1029,7 @@ int i915_vma_move_to_active(struct i915_vma *vma,
 	export_fence(vma, rq, flags);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(i915_vma_move_to_active);
 
 int i915_vma_unbind(struct i915_vma *vma)
 {
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 87eebc13c0d8..c0d8693f1110 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1957,6 +1957,7 @@ u32 *intel_ring_begin(struct i915_request *rq, unsigned int num_dwords)
 
 	return cs;
 }
+EXPORT_SYMBOL_GPL(intel_ring_begin);
 
 /* Align the ring tail to a cacheline boundary */
 int intel_ring_cacheline_align(struct i915_request *rq)
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 1c2de9b69a19..90a15e8d2afa 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -4004,6 +4004,7 @@ void intel_runtime_pm_get(struct drm_i915_private *dev_priv)
 	atomic_inc(&dev_priv->runtime_pm.wakeref_count);
 	assert_rpm_wakelock_held(dev_priv);
 }
+EXPORT_SYMBOL_GPL(intel_runtime_pm_get);
 
 /**
  * intel_runtime_pm_get_if_in_use - grab a runtime pm reference if device in use
@@ -4087,6 +4088,7 @@ void intel_runtime_pm_put(struct drm_i915_private *dev_priv)
 	pm_runtime_mark_last_busy(kdev);
 	pm_runtime_put_autosuspend(kdev);
 }
+EXPORT_SYMBOL_GPL(intel_runtime_pm_put);
 
 /**
  * intel_runtime_pm_enable - enable runtime pm
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 9289515108c3..35293ac7dff9 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -644,6 +644,7 @@ void intel_uncore_forcewake_get(struct drm_i915_private *dev_priv,
 	__intel_uncore_forcewake_get(dev_priv, fw_domains);
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 }
+EXPORT_SYMBOL_GPL(intel_uncore_forcewake_get);
 
 /**
  * intel_uncore_forcewake_user_get - claim forcewake on behalf of userspace
@@ -756,6 +757,7 @@ void intel_uncore_forcewake_put(struct drm_i915_private *dev_priv,
 	__intel_uncore_forcewake_put(dev_priv, fw_domains);
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 }
+EXPORT_SYMBOL_GPL(intel_uncore_forcewake_put);
 
 /**
  * intel_uncore_forcewake_put__locked - grab forcewake domain references
@@ -2388,6 +2390,7 @@ intel_uncore_forcewake_for_reg(struct drm_i915_private *dev_priv,
 
 	return fw_domains;
 }
+EXPORT_SYMBOL_GPL(intel_uncore_forcewake_for_reg);
 
 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
 #include "selftests/mock_uncore.c"
-- 
2.19.1

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