drm/exynos/ipp: move file reference from memory to command node

Command node should contain file reference to distinguish commands
created by different processes.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

2 files changed, 4 insertions, 3 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 97709664b7c2..bbe99689d1dd 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -75,7 +75,6 @@ struct drm_exynos_ipp_mem_node {
         u32     prop_id;
         u32     buf_id;
         struct drm_exynos_ipp_buf_info  buf_info;
-        struct drm_file         *filp;
 };
 
 /*
@@ -448,6 +447,7 @@ int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data,
         c_node->dev = dev;
         c_node->property = *property;
         c_node->state = IPP_STATE_IDLE;
+        c_node->filp = file;
 
         c_node->start_work = ipp_create_cmd_work();
         if (IS_ERR(c_node->start_work)) {
@@ -645,7 +645,6 @@ static struct drm_exynos_ipp_mem_node
                 }
         }
 
-        m_node->filp = file;
         mutex_lock(&c_node->mem_lock);
         list_add_tail(&m_node->list, &c_node->mem_list[qbuf->ops_id]);
         mutex_unlock(&c_node->mem_lock);
@@ -677,7 +676,7 @@ static int ipp_put_mem_node(struct drm_device *drm_dev,
                 unsigned long handle = m_node->buf_info.handles[i];
                 if (handle)
                         exynos_drm_gem_put_dma_addr(drm_dev, handle,
-                                                        m_node->filp);
+                                                        c_node->filp);
         }
 
         /* delete list in queue */
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.h b/drivers/gpu/drm/exynos/exynos_drm_ipp.h
index 6f48d62aeb30..03110359dbdb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.h
@@ -62,6 +62,7 @@ struct drm_exynos_ipp_cmd_work {
  * @stop_work: stop command work structure.
  * @event_work: event work structure.
  * @state: state of command node.
+ * @filp: associated file pointer.
  */
 struct drm_exynos_ipp_cmd_node {
         struct device           *dev;
@@ -78,6 +79,7 @@ struct drm_exynos_ipp_cmd_node {
         struct drm_exynos_ipp_cmd_work *stop_work;
         struct drm_exynos_ipp_event_work *event_work;
         enum drm_exynos_ipp_state       state;
+        struct drm_file *filp;
 };
 
 /*