Used by the vmwgfx driver
Signed-off-by: Thomas Hellstrom thellstrom@vmware.com Reviewed-by: Jakob Bornecrantz jakob@vmware.com --- drivers/gpu/drm/ttm/Makefile | 6 +----- drivers/gpu/drm/ttm/ttm_page_alloc_dma.c | 3 +++ include/drm/ttm/ttm_page_alloc.h | 11 ++++++++++- 3 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/ttm/Makefile b/drivers/gpu/drm/ttm/Makefile index b2b33dd..b433b9f 100644 --- a/drivers/gpu/drm/ttm/Makefile +++ b/drivers/gpu/drm/ttm/Makefile @@ -5,10 +5,6 @@ ccflags-y := -Iinclude/drm ttm-y := ttm_agp_backend.o ttm_memory.o ttm_tt.o ttm_bo.o \ ttm_bo_util.o ttm_bo_vm.o ttm_module.o \ ttm_object.o ttm_lock.o ttm_execbuf_util.o ttm_page_alloc.o \ - ttm_bo_manager.o - -ifeq ($(CONFIG_SWIOTLB),y) -ttm-y += ttm_page_alloc_dma.o -endif + ttm_bo_manager.o ttm_page_alloc_dma.o
obj-$(CONFIG_DRM_TTM) += ttm.o diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c index 7957bee..fb8259f 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c @@ -33,6 +33,7 @@ * when freed). */
+#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU) #define pr_fmt(fmt) "[TTM] " fmt
#include <linux/dma-mapping.h> @@ -1142,3 +1143,5 @@ int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data) return 0; } EXPORT_SYMBOL_GPL(ttm_dma_page_alloc_debugfs); + +#endif diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h index 706b962..d1f61bf 100644 --- a/include/drm/ttm/ttm_page_alloc.h +++ b/include/drm/ttm/ttm_page_alloc.h @@ -62,7 +62,7 @@ extern void ttm_pool_unpopulate(struct ttm_tt *ttm); extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
-#ifdef CONFIG_SWIOTLB +#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU) /** * Initialize pool allocator. */ @@ -94,6 +94,15 @@ static inline int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data) { return 0; } +static inline int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, + struct device *dev) +{ + return -ENOMEM; +} +static inline void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, + struct device *dev) +{ +} #endif
#endif