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Diffstat (limited to 'linux-core/drm_agpsupport.c')
-rw-r--r--linux-core/drm_agpsupport.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c
index b68efc64..7c50f411 100644
--- a/linux-core/drm_agpsupport.c
+++ b/linux-core/drm_agpsupport.c
@@ -541,11 +541,15 @@ static int drm_agp_bind_ttm(struct drm_ttm_backend *backend,
container_of(backend, struct drm_agp_ttm_backend, backend);
DRM_AGP_MEM *mem = agp_be->mem;
int ret;
+ int snooped = (bo_mem->flags & DRM_BO_FLAG_CACHED) && !(bo_mem->flags & DRM_BO_FLAG_CACHED_MAPPED);
DRM_DEBUG("drm_agp_bind_ttm\n");
mem->is_flushed = TRUE;
- mem->type = (bo_mem->flags & DRM_BO_FLAG_CACHED) ? AGP_USER_CACHED_MEMORY :
- AGP_USER_MEMORY;
+ mem->type = AGP_USER_MEMORY;
+ /* CACHED MAPPED implies not snooped memory */
+ if (snooped)
+ mem->type = AGP_USER_CACHED_MEMORY;
+
ret = drm_agp_bind_memory(mem, bo_mem->mm_node->start);
if (ret) {
DRM_ERROR("AGP Bind memory failed\n");
@@ -650,4 +654,12 @@ 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 */