From 649fdce23cdf516e69aa8c18f4b44c62127f0e83 Mon Sep 17 00:00:00 2001
From: Chunming Zhou <david1.zhou@amd.com>
Date: Mon, 15 Oct 2018 16:55:47 +0800
Subject: [PATCH] drm: add flags to drm_syncobj_find_fence
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flags can be used by driver to decide whether need to block wait submission.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
SIgned-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.kernel.org/patch/10641339/
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
 drivers/gpu/drm/drm_syncobj.c          | 4 ++--
 drivers/gpu/drm/v3d/v3d_gem.c          | 4 ++--
 drivers/gpu/drm/vc4/vc4_gem.c          | 2 +-
 include/drm/drm_syncobj.h              | 2 +-
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 663043c8f0f57..8e9a65a158757 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1104,7 +1104,7 @@ static int amdgpu_syncobj_lookup_and_add_to_sync(struct amdgpu_cs_parser *p,
 {
 	int r;
 	struct dma_fence *fence;
-	r = drm_syncobj_find_fence(p->filp, handle, 0, &fence);
+	r = drm_syncobj_find_fence(p->filp, handle, 0, 0, &fence);
 	if (r)
 		return r;
 
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index 5bcb3ef9b2566..094513125153c 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -224,7 +224,7 @@ static int drm_syncobj_assign_null_handle(struct drm_syncobj *syncobj)
  * dma_fence_put().
  */
 int drm_syncobj_find_fence(struct drm_file *file_private,
-			   u32 handle, u64 point,
+			   u32 handle, u64 point, u64 flags,
 			   struct dma_fence **fence)
 {
 	struct drm_syncobj *syncobj = drm_syncobj_find(file_private, handle);
@@ -495,7 +495,7 @@ static int drm_syncobj_export_sync_file(struct drm_file *file_private,
 	if (fd < 0)
 		return fd;
 
-	ret = drm_syncobj_find_fence(file_private, handle, 0, &fence);
+	ret = drm_syncobj_find_fence(file_private, handle, 0, 0, &fence);
 	if (ret)
 		goto err_put_fd;
 
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
index 2814c72cb0902..e688369ca82b9 100644
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -522,12 +522,12 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
 	kref_init(&exec->refcount);
 
 	ret = drm_syncobj_find_fence(file_priv, args->in_sync_bcl,
-				     0, &exec->bin.in_fence);
+				     0, 0, &exec->bin.in_fence);
 	if (ret == -EINVAL)
 		goto fail;
 
 	ret = drm_syncobj_find_fence(file_priv, args->in_sync_rcl,
-				     0, &exec->render.in_fence);
+				     0, 0, &exec->render.in_fence);
 	if (ret == -EINVAL)
 		goto fail;
 
diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c
index 5b22e996af6c5..251198194c388 100644
--- a/drivers/gpu/drm/vc4/vc4_gem.c
+++ b/drivers/gpu/drm/vc4/vc4_gem.c
@@ -1173,7 +1173,7 @@ vc4_submit_cl_ioctl(struct drm_device *dev, void *data,
 
 	if (args->in_sync) {
 		ret = drm_syncobj_find_fence(file_priv, args->in_sync,
-					     0, &in_fence);
+					     0, 0, &in_fence);
 		if (ret)
 			goto fail;
 
diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h
index 425432b85a87a..2eda44def6390 100644
--- a/include/drm/drm_syncobj.h
+++ b/include/drm/drm_syncobj.h
@@ -134,7 +134,7 @@ struct drm_syncobj *drm_syncobj_find(struct drm_file *file_private,
 void drm_syncobj_replace_fence(struct drm_syncobj *syncobj, u64 point,
 			       struct dma_fence *fence);
 int drm_syncobj_find_fence(struct drm_file *file_private,
-			   u32 handle, u64 point,
+			   u32 handle, u64 point, u64 flags,
 			   struct dma_fence **fence);
 void drm_syncobj_free(struct kref *kref);
 int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags,
-- 
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