1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h
index bfb052688f8e..8fbbd0594c46 100644
--- a/drivers/gpu/drm/msm/msm_gem.h
+++ b/drivers/gpu/drm/msm/msm_gem.h
@@ -70,6 +70,19 @@ static inline bool is_active(struct msm_gem_object *msm_obj)
         return msm_obj->gpu != NULL;
 }
 
+static inline uint32_t msm_gem_fence(struct msm_gem_object *msm_obj,
+                uint32_t op)
+{
+        uint32_t fence = 0;
+
+        if (op & MSM_PREP_READ)
+                fence = msm_obj->write_fence;
+        if (op & MSM_PREP_WRITE)
+                fence = max(fence, msm_obj->read_fence);
+
+        return fence;
+}
+
 #define MAX_CMDS 4
 
 /* Created per submit-ioctl, to track bo's and cmdstream bufs, etc,