From: Tomasz Jankowski <tomasz1.jankowski@xxxxxxxxx>
Signed-off-by: Tomasz Jankowski <tomasz1.jankowski@xxxxxxxxx>
Tested-by: Mikolaj Grzybowski <mikolajx.grzybowski@xxxxxxxxx>
Co-developed-by: Jianxun Zhang <jianxun.zhang@xxxxxxxxxxxxxxx>
Signed-off-by: Jianxun Zhang <jianxun.zhang@xxxxxxxxxxxxxxx>
Co-developed-by: Maciej Kwapulinski <maciej.kwapulinski@xxxxxxxxxxxxxxx>
Signed-off-by: Maciej Kwapulinski <maciej.kwapulinski@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/gna/gna_device.c | 46 ++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/drivers/gpu/drm/gna/gna_device.c b/drivers/gpu/drm/gna/gna_device.c
index aee409e3b4ea..4ce08bf313c3 100644
--- a/drivers/gpu/drm/gna/gna_device.c
+++ b/drivers/gpu/drm/gna/gna_device.c
@@ -58,6 +58,49 @@ const struct dev_pm_ops __maybe_unused gna_pm = {
SET_RUNTIME_PM_OPS(gna_runtime_suspend, gna_runtime_resume, NULL)
};
+static int gna_open(struct drm_device *dev, struct drm_file *file)
+{
+ struct gna_device *gna_priv;
+
+ gna_priv = to_gna_device(dev);
+
+ file->driver_priv = gna_priv;
+
+ return 0;
+}
+
+static void gna_delete_file_requests(struct drm_file *file, struct gna_device *gna_priv)
+{
+ struct gna_request *req, *temp_req;
+ struct list_head *reqs_list;
+
+ mutex_lock(&gna_priv->reqlist_lock);
+
+ reqs_list = &gna_priv->request_list;
+ if (!list_empty(reqs_list)) {
+ list_for_each_entry_safe(req, temp_req, reqs_list, node) {
+ if (req->drm_f == file) {
+ bool is_pending;
+
+ list_del_init(&req->node);
+ is_pending = cancel_work_sync(&req->work);
+ if (is_pending)
+ atomic_dec(&gna_priv->enqueued_requests);
+ kref_put(&req->refcount, gna_request_release);
+ break;
+ }
+ }
+ }
+
+ mutex_unlock(&gna_priv->reqlist_lock);
+}
+
+static void gna_close(struct drm_device *dev, struct drm_file *file)
+{
+ struct gna_device *gna_priv = (struct gna_device *)file->driver_priv;
+
+ gna_delete_file_requests(file, gna_priv);
+}
static void gna_drm_dev_fini(struct drm_device *dev, void *ptr)
{
@@ -136,6 +179,9 @@ static struct drm_gem_object *gna_create_gem_object(struct drm_device *dev,
static const struct drm_driver gna_drm_driver = {
.driver_features = DRIVER_GEM | DRIVER_RENDER,
+ .open = gna_open,
+ .postclose = gna_close,
+
.gem_create_object = gna_create_gem_object,
.ioctls = gna_drm_ioctls,
--
2.25.1
---------------------------------------------------------------------
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