[PATCH 7/8] drm: export syncobj search fence to replace fence_get

Chunming Zhou david1.zhou at amd.com
Fri Aug 24 12:12:09 UTC 2018


Signed-off-by: Chunming Zhou <david1.zhou at amd.com>
---
 drivers/gpu/drm/drm_syncobj.c              | 5 +++--
 drivers/gpu/drm/i915/i915_gem_execbuffer.c | 4 +++-
 include/drm/drm_syncobj.h                  | 2 ++
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index ff0b1fdfd9a8..0be7dd0a0e7d 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -500,8 +500,8 @@ drm_syncobj_timeline_point_get(struct drm_syncobj *syncobj, u64 point, u64 flags
  * contains a reference to the fence, which must be released by calling
  * dma_fence_put().
  */
-static int drm_syncobj_search_fence(struct drm_syncobj *syncobj, u64 point,
-				    u64 flags, struct dma_fence **fence)
+int drm_syncobj_search_fence(struct drm_syncobj *syncobj, u64 point,
+			     u64 flags, struct dma_fence **fence)
 {
 	int ret = 0;
 
@@ -530,6 +530,7 @@ static int drm_syncobj_search_fence(struct drm_syncobj *syncobj, u64 point,
 	drm_syncobj_put(syncobj);
 	return ret;
 }
+EXPORT_SYMBOL(drm_syncobj_search_fence);
 int drm_syncobj_find_fence(struct drm_file *file_private,
 			   u32 handle, u64 point,
 			   struct dma_fence **fence) {
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 7209dd832d39..bb20d318c9d6 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -2182,7 +2182,9 @@ await_fence_array(struct i915_execbuffer *eb,
 		if (!(flags & I915_EXEC_FENCE_WAIT))
 			continue;
 
-		fence = drm_syncobj_fence_get(syncobj);
+		drm_syncobj_search_fence(syncobj, 0,
+					 DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT,
+					 &fence);
 		if (!fence)
 			return -EINVAL;
 
diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h
index fb4e7edf90bf..ec098d4798b8 100644
--- a/include/drm/drm_syncobj.h
+++ b/include/drm/drm_syncobj.h
@@ -170,5 +170,7 @@ int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags,
 int drm_syncobj_get_handle(struct drm_file *file_private,
 			   struct drm_syncobj *syncobj, u32 *handle);
 int drm_syncobj_get_fd(struct drm_syncobj *syncobj, int *p_fd);
+int drm_syncobj_search_fence(struct drm_syncobj *syncobj, u64 point,
+			     u64 flags, struct dma_fence **fence);
 
 #endif
-- 
2.17.1



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