drm/ttm: merge ttm_dma_tt back into ttm_tt

It makes no difference to kmalloc if the structure
is 48 or 64 bytes in size.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/396950/

4 files changed, 16 insertions, 14 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 06a1f4c4e96e..75fddbcd7832 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -547,7 +547,7 @@ void
 nouveau_bo_sync_for_device(struct nouveau_bo *nvbo)
 {
 	struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
-	struct ttm_dma_tt *ttm_dma = (struct ttm_dma_tt *)nvbo->bo.ttm;
+	struct ttm_tt *ttm_dma = (struct ttm_tt *)nvbo->bo.ttm;
 	int i;
 
 	if (!ttm_dma)
@@ -557,7 +557,7 @@ nouveau_bo_sync_for_device(struct nouveau_bo *nvbo)
 	if (nvbo->force_coherent)
 		return;
 
-	for (i = 0; i < ttm_dma->ttm.num_pages; i++)
+	for (i = 0; i < ttm_dma->num_pages; i++)
 		dma_sync_single_for_device(drm->dev->dev,
 					   ttm_dma->dma_address[i],
 					   PAGE_SIZE, DMA_TO_DEVICE);
@@ -567,7 +567,7 @@ void
 nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo)
 {
 	struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
-	struct ttm_dma_tt *ttm_dma = (struct ttm_dma_tt *)nvbo->bo.ttm;
+	struct ttm_tt *ttm_dma = (struct ttm_tt *)nvbo->bo.ttm;
 	int i;
 
 	if (!ttm_dma)
@@ -577,7 +577,7 @@ nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo)
 	if (nvbo->force_coherent)
 		return;
 
-	for (i = 0; i < ttm_dma->ttm.num_pages; i++)
+	for (i = 0; i < ttm_dma->num_pages; i++)
 		dma_sync_single_for_cpu(drm->dev->dev, ttm_dma->dma_address[i],
 					PAGE_SIZE, DMA_FROM_DEVICE);
 }
@@ -1309,7 +1309,7 @@ static int
 nouveau_ttm_tt_populate(struct ttm_bo_device *bdev,
 			struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
 {
-	struct ttm_dma_tt *ttm_dma = (void *)ttm;
+	struct ttm_tt *ttm_dma = (void *)ttm;
 	struct nouveau_drm *drm;
 	struct device *dev;
 	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
@@ -1345,7 +1345,7 @@ static void
 nouveau_ttm_tt_unpopulate(struct ttm_bo_device *bdev,
 			  struct ttm_tt *ttm)
 {
-	struct ttm_dma_tt *ttm_dma = (void *)ttm;
+	struct ttm_tt *ttm_dma = (void *)ttm;
 	struct nouveau_drm *drm;
 	struct device *dev;
 	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 269d8707acc3..0a4c04aaad30 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -92,7 +92,7 @@ nouveau_mem_fini(struct nouveau_mem *mem)
 }
 
 int
-nouveau_mem_host(struct ttm_resource *reg, struct ttm_dma_tt *tt)
+nouveau_mem_host(struct ttm_resource *reg, struct ttm_tt *tt)
 {
 	struct nouveau_mem *mem = nouveau_mem(reg);
 	struct nouveau_cli *cli = mem->cli;
@@ -116,8 +116,10 @@ nouveau_mem_host(struct ttm_resource *reg, struct ttm_dma_tt *tt)
 		mem->comp = 0;
 	}
 
-	if (tt->ttm.sg) args.sgl = tt->ttm.sg->sgl;
-	else            args.dma = tt->dma_address;
+	if (tt->sg)
+		args.sgl = tt->sg->sgl;
+	else
+		args.dma = tt->dma_address;
 
 	mutex_lock(&drm->master.lock);
 	cli->base.super = true;
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.h b/drivers/gpu/drm/nouveau/nouveau_mem.h
index 3fe1cfed57a1..7df3848e85aa 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.h
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.h
@@ -1,7 +1,7 @@
 #ifndef __NOUVEAU_MEM_H__
 #define __NOUVEAU_MEM_H__
 #include <drm/ttm/ttm_bo_api.h>
-struct ttm_dma_tt;
+struct ttm_tt;
 
 #include <nvif/mem.h>
 #include <nvif/vmm.h>
@@ -24,7 +24,7 @@ int nouveau_mem_new(struct nouveau_cli *, u8 kind, u8 comp,
 		    struct ttm_resource *);
 void nouveau_mem_del(struct ttm_resource *);
 int nouveau_mem_vram(struct ttm_resource *, bool contig, u8 page);
-int nouveau_mem_host(struct ttm_resource *, struct ttm_dma_tt *);
+int nouveau_mem_host(struct ttm_resource *, struct ttm_tt *);
 void nouveau_mem_fini(struct nouveau_mem *);
 int nouveau_mem_map(struct nouveau_mem *, struct nvif_vmm *, struct nvif_vma *);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index cd6fdebae795..a2e23fd4906c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -11,7 +11,7 @@ struct nouveau_sgdma_be {
 	/* this has to be the first field so populate/unpopulated in
 	 * nouve_bo.c works properly, otherwise have to move them here
 	 */
-	struct ttm_dma_tt ttm;
+	struct ttm_tt ttm;
 	struct nouveau_mem *mem;
 };
 
@@ -23,7 +23,7 @@ nouveau_sgdma_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
 	if (ttm) {
 		nouveau_sgdma_unbind(bdev, ttm);
 		ttm_tt_destroy_common(bdev, ttm);
-		ttm_dma_tt_fini(&nvbe->ttm);
+		ttm_tt_fini(&nvbe->ttm);
 		kfree(nvbe);
 	}
 }
@@ -88,5 +88,5 @@ nouveau_sgdma_create_ttm(struct ttm_buffer_object *bo, uint32_t page_flags)
 		kfree(nvbe);
 		return NULL;
 	}
-	return &nvbe->ttm.ttm;
+	return &nvbe->ttm;
 }