gma500: make init_pm callback in struct psb_op optional

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/gma500/power.c b/drivers/gpu/drm/gma500/power.c
index bbf635cebdbc..994f66935499 100644
--- a/drivers/gpu/drm/gma500/power.c
+++ b/drivers/gpu/drm/gma500/power.c
@@ -58,7 +58,8 @@ void gma_power_init(struct drm_device *dev)
         spin_lock_init(&power_ctrl_lock);
         mutex_init(&power_mutex);
 
-        dev_priv->ops->init_pm(dev);
+        if (dev_priv->ops->init_pm)
+                dev_priv->ops->init_pm(dev);
 }
 
 /**