i915: wrap chipset types requiring hw status set ioctl

Also applys to recent added new chipset.

Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>

2 files changed, 6 insertions, 1 deletions

diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c
index 43986d81ae34..e9d6663bec73 100644
--- 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;
diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h
index f8308bfb2613..786460d6b1a3 100644
--- a/drivers/char/drm/i915_drv.h
+++ b/drivers/char/drm/i915_drv.h
@@ -1101,6 +1101,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
                         IS_I945GM(dev) || IS_I965GM(dev) || IS_IGD_GM(dev))
 
+#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_IGD_GM(dev))
+
 #define PRIMARY_RINGBUFFER_SIZE         (128*1024)
 
 #endif