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path: root/drivers/gpu/drm/r128/r128_cce.c
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Diffstat (limited to 'drivers/gpu/drm/r128/r128_cce.c')
-rw-r--r--drivers/gpu/drm/r128/r128_cce.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c
index 15252f60bbd3..4c39a407aa4a 100644
--- a/drivers/gpu/drm/r128/r128_cce.c
+++ b/drivers/gpu/drm/r128/r128_cce.c
@@ -346,6 +346,11 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init)
DRM_DEBUG("\n");
+ if (dev->dev_private) {
+ DRM_DEBUG("called when already initialized\n");
+ return -EINVAL;
+ }
+
dev_priv = kzalloc(sizeof(drm_r128_private_t), GFP_KERNEL);
if (dev_priv == NULL)
return -ENOMEM;
@@ -647,6 +652,8 @@ int r128_cce_start(struct drm_device *dev, void *data, struct drm_file *file_pri
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
if (dev_priv->cce_running || dev_priv->cce_mode == R128_PM4_NONPM4) {
DRM_DEBUG("while CCE running\n");
return 0;
@@ -669,6 +676,8 @@ int r128_cce_stop(struct drm_device *dev, void *data, struct drm_file *file_priv
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
/* Flush any pending CCE commands. This ensures any outstanding
* commands are exectuted by the engine before we turn it off.
*/
@@ -706,10 +715,7 @@ int r128_cce_reset(struct drm_device *dev, void *data, struct drm_file *file_pri
LOCK_TEST_WITH_RETURN(dev, file_priv);
- if (!dev_priv) {
- DRM_DEBUG("called before init done\n");
- return -EINVAL;
- }
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
r128_do_cce_reset(dev_priv);
@@ -726,6 +732,8 @@ int r128_cce_idle(struct drm_device *dev, void *data, struct drm_file *file_priv
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
if (dev_priv->cce_running) {
r128_do_cce_flush(dev_priv);
}
@@ -739,6 +747,8 @@ int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ DEV_INIT_TEST_WITH_RETURN(dev->dev_private);
+
return r128_do_engine_reset(dev);
}