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-rw-r--r--linux-core/drmP.h1
-rw-r--r--linux-core/drm_agpsupport.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index ac3ca4d2..c014eddf 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -1133,6 +1133,7 @@ extern int drm_agp_free_memory(DRM_AGP_MEM * handle);
extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start);
extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle);
extern struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev);
+extern void drm_agp_chipset_flush(struct drm_device *dev);
/* Stub support (drm_stub.h) */
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver);
diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c
index b68efc64..8c7f570e 100644
--- a/linux-core/drm_agpsupport.c
+++ b/linux-core/drm_agpsupport.c
@@ -650,4 +650,12 @@ struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev)
}
EXPORT_SYMBOL(drm_agp_init_ttm);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+void drm_agp_flush_chipset(struct drm_device *dev)
+{
+ agp_flush_chipset(dev->agp->bridge);
+}
+EXPORT_SYMBOL(drm_agp_flush_chipset);
+#endif
+
#endif /* __OS_HAS_AGP */