drm/i915: fix oops on agp=off

[~andy/linux] / drivers / char / drm / i915_dma.c

diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c
index 43986d81ae34f4b26fd8b1c4f717f1ae0ea13c17..a043bb12301acd9c1cf087663659c775316dd9f2 100644 (file)
--- a/drivers/char/drm/i915_dma.c
+++ b/drivers/char/drm/i915_dma.c
@@ -171,7 +171,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
        dev_priv->allow_batchbuffer = 1;
 
        /* Program Hardware Status Page */
-       if (!IS_G33(dev)) {
+       if (!I915_NEED_GFX_HWS(dev)) {
                dev_priv->status_page_dmah =
                        drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff);
 
@@ -720,6 +720,9 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
        drm_i915_private_t *dev_priv = dev->dev_private;
        drm_i915_hws_addr_t *hws = data;
 
+       if (!I915_NEED_GFX_HWS(dev))
+               return -EINVAL;
+
        if (!dev_priv) {
                DRM_ERROR("called with no initialization\n");
                return -EINVAL;
@@ -801,6 +804,9 @@ void i915_driver_lastclose(struct drm_device * dev)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
 
+       if (!dev_priv)
+               return;
+
        if (dev_priv->agp_heap)
                i915_mem_takedown(&(dev_priv->agp_heap));