[PATCH v4 2/7] drm/panfrost: Move the mappings collection out of panfrost_lookup_bos()

[Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>]

So we can re-use it from elsewhere.

Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Reviewed-by: Steven Price <steven.price@xxxxxxx>
---
 drivers/gpu/drm/panfrost/panfrost_drv.c | 52 ++++++++++++++-----------
 1 file changed, 29 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index 1ffaef5ec5ff..9bbc9e78cc85 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -109,6 +109,34 @@ static int panfrost_ioctl_create_bo(struct drm_device *dev, void *data,
 	return 0;
 }
 
+static int
+panfrost_get_job_mappings(struct drm_file *file_priv, struct panfrost_job *job)
+{
+	struct panfrost_file_priv *priv = file_priv->driver_priv;
+	unsigned int i;
+
+	job->mappings = kvmalloc_array(job->bo_count,
+				       sizeof(*job->mappings),
+				       GFP_KERNEL | __GFP_ZERO);
+	if (!job->mappings)
+		return -ENOMEM;
+
+	for (i = 0; i < job->bo_count; i++) {
+		struct panfrost_gem_mapping *mapping;
+		struct panfrost_gem_object *bo;
+
+		bo = to_panfrost_bo(job->bos[i]);
+		mapping = panfrost_gem_mapping_get(bo, priv);
+		if (!mapping)
+			return -EINVAL;
+
+		atomic_inc(&bo->gpu_usecount);
+		job->mappings[i] = mapping;
+	}
+
+	return 0;
+}
+
 /**
  * panfrost_lookup_bos() - Sets up job->bo[] with the GEM objects
  * referenced by the job.
@@ -128,8 +156,6 @@ panfrost_lookup_bos(struct drm_device *dev,
 		  struct drm_panfrost_submit *args,
 		  struct panfrost_job *job)
 {
-	struct panfrost_file_priv *priv = file_priv->driver_priv;
-	struct panfrost_gem_object *bo;
 	unsigned int i;
 	int ret;
 
@@ -144,27 +170,7 @@ panfrost_lookup_bos(struct drm_device *dev,
 	if (ret)
 		return ret;
 
-	job->mappings = kvmalloc_array(job->bo_count,
-				       sizeof(struct panfrost_gem_mapping *),
-				       GFP_KERNEL | __GFP_ZERO);
-	if (!job->mappings)
-		return -ENOMEM;
-
-	for (i = 0; i < job->bo_count; i++) {
-		struct panfrost_gem_mapping *mapping;
-
-		bo = to_panfrost_bo(job->bos[i]);
-		mapping = panfrost_gem_mapping_get(bo, priv);
-		if (!mapping) {
-			ret = -EINVAL;
-			break;
-		}
-
-		atomic_inc(&bo->gpu_usecount);
-		job->mappings[i] = mapping;
-	}
-
-	return ret;
+	return panfrost_get_job_mappings(file_priv, job);
 }
 
 /**
-- 
2.31.1