[PATCH 02/11] drm/msm: Small submitqueue creation cleanup

Rob Clark
2021-07-17T20:25:32Z

If we don't have a gpu, there is no need to create a submitqueue, which
lets us simplify the error handling and submitqueue creation.

Signed-off-by: Rob Clark <robdclark@chromium.org>
---
drivers/gpu/drm/msm/msm_submitqueue.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_submitqueue.c b/drivers/gpu/drm/msm/msm_submitqueue.c
index e5eef11ed014..fbea6e7adf40 100644
--- a/drivers/gpu/drm/msm/msm_submitqueue.c
+++ b/drivers/gpu/drm/msm/msm_submitqueue.c
@@ -66,6 +66,12 @@ int msm_submitqueue_create(struct drm_device *drm, struct msm_file_private *ctx,
if (!ctx)
return -ENODEV;

+ if (!priv->gpu)
+ return -ENODEV;
+
+ if (prio >= priv->gpu->nr_rings)
+ return -EINVAL;
+
queue = kzalloc(sizeof(*queue), GFP_KERNEL);

if (!queue)
@@ -73,15 +79,7 @@ int msm_submitqueue_create(struct drm_device *drm, struct msm_file_private *ctx,

kref_init(&queue->ref);
queue->flags = flags;
-
- if (priv->gpu) {
- if (prio >= priv->gpu->nr_rings) {
- kfree(queue);
- return -EINVAL;
- }
-
- queue->prio = prio;
- }
+ queue->prio = prio;

write_lock(&ctx->queuelock);

--
2.31.1