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-rw-r--r--shared-core/i915_dma.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index 7f458c79..b97b576f 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -864,6 +864,12 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
ret = drm_addmap(dev, base, size, _DRM_REGISTERS,
_DRM_KERNEL | _DRM_DRIVER, &dev_priv->mmio_map);
+
+ if (IS_GM45(dev))
+ dev->driver->get_vblank_counter = gm45_get_vblank_counter;
+ else
+ dev->driver->get_vblank_counter = i915_get_vblank_counter;
+
#ifdef I915_HAVE_GEM
i915_gem_load(dev);
#endif