drm/i915: add support for Intel series 4 chipsets.

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

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h
index 1b20f7c0639c..d7326d92a237 100644
--- a/drivers/char/drm/i915_drv.h
+++ b/drivers/char/drm/i915_drv.h
@@ -1112,12 +1112,19 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
                        (dev)->pci_device == 0x29A2 || \
                        (dev)->pci_device == 0x2A02 || \
                        (dev)->pci_device == 0x2A12 || \
-                       (dev)->pci_device == 0x2A42)
+                       (dev)->pci_device == 0x2A42 || \
+                       (dev)->pci_device == 0x2E02 || \
+                       (dev)->pci_device == 0x2E12 || \
+                       (dev)->pci_device == 0x2E22)
 
 #define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
 
 #define IS_IGD_GM(dev) ((dev)->pci_device == 0x2A42)
 
+#define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
+                     (dev)->pci_device == 0x2E12 || \
+                     (dev)->pci_device == 0x2E22)
+
 #define IS_G33(dev)    ((dev)->pci_device == 0x29C2 ||  \
                         (dev)->pci_device == 0x29B2 ||  \
                         (dev)->pci_device == 0x29D2)
@@ -1128,7 +1135,7 @@ 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 I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_IGD_GM(dev) || IS_G4X(dev))
 
 #define PRIMARY_RINGBUFFER_SIZE         (128*1024)