drm/msm/dsi: fix direct caller of msm_gem_free_object()

This should be using drm_gem_object_put().  Also since this is done only
in driver unload path, we don't need to synchronize setting tx_gem_obj
to NULL, so juse use the _unlocked() variant.

Signed-off-by: Rob Clark <robdclark@gmail.com>

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 62ac614..7a03a94 100644 (file)
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1063,10 +1063,8 @@ static void dsi_tx_buf_free(struct msm_dsi_host *msm_host)
 
        if (msm_host->tx_gem_obj) {
                msm_gem_put_iova(msm_host->tx_gem_obj, 0);
-               mutex_lock(&dev->struct_mutex);
-               msm_gem_free_object(msm_host->tx_gem_obj);
+               drm_gem_object_put_unlocked(msm_host->tx_gem_obj);
                msm_host->tx_gem_obj = NULL;
-               mutex_unlock(&dev->struct_mutex);
        }
 
        if (msm_host->tx_buf)

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 0e5073a..9519647 100644 (file)
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -798,6 +798,7 @@ void msm_gem_describe_objects(struct list_head *list, struct seq_file *m)
 }
 #endif
 
+/* don't call directly!  Use drm_gem_object_put() and friends */
 void msm_gem_free_object(struct drm_gem_object *obj)
 {
        struct drm_device *dev = obj->dev;