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>
diff --git a/drivers/gpu/drm/gma500/oaktrail_device.c b/drivers/gpu/drm/gma500/oaktrail_device.c
index 08dcdc2..22def10 100644
--- a/drivers/gpu/drm/gma500/oaktrail_device.c
+++ b/drivers/gpu/drm/gma500/oaktrail_device.c
@@ -176,10 +176,6 @@
* for power management
*/
-static void oaktrail_init_pm(struct drm_device *dev)
-{
-}
-
/**
* oaktrail_save_display_registers - save registers lost on suspend
* @dev: our DRM device
@@ -504,7 +500,6 @@
.backlight_init = oaktrail_backlight_init,
#endif
- .init_pm = oaktrail_init_pm,
.save_regs = oaktrail_save_display_registers,
.restore_regs = oaktrail_restore_display_registers,
.power_down = oaktrail_power_down,
diff --git a/drivers/gpu/drm/gma500/power.c b/drivers/gpu/drm/gma500/power.c
index bbf635c..994f669 100644
--- a/drivers/gpu/drm/gma500/power.c
+++ b/drivers/gpu/drm/gma500/power.c
@@ -58,7 +58,8 @@
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);
}
/**