[PATCH 5/5] drm/ttm: get rid of storing size in ttm_resource

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

Just use num_pages and a shift directly.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c | 2 +-
 drivers/gpu/drm/nouveau/nv17_fence.c | 2 +-
 drivers/gpu/drm/nouveau/nv50_fence.c | 2 +-
 drivers/gpu/drm/ttm/ttm_bo.c         | 2 --
 include/drm/ttm/ttm_bo_api.h         | 2 +-
 include/drm/ttm/ttm_resource.h       | 2 --
 6 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 3c24873ae8e9..fec7a901865e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -994,7 +994,7 @@ nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_resource *new_reg,
 		return 0;
 
 	if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_CELSIUS) {
-		*new_tile = nv10_bo_set_tiling(dev, offset, new_reg->size,
+		*new_tile = nv10_bo_set_tiling(dev, offset, new_reg->num_pages << PAGE_SHIFT,
 					       nvbo->mode, nvbo->zeta);
 	}
 
diff --git a/drivers/gpu/drm/nouveau/nv17_fence.c b/drivers/gpu/drm/nouveau/nv17_fence.c
index 1253fdec712d..a6da8765f262 100644
--- a/drivers/gpu/drm/nouveau/nv17_fence.c
+++ b/drivers/gpu/drm/nouveau/nv17_fence.c
@@ -80,7 +80,7 @@ nv17_fence_context_new(struct nouveau_channel *chan)
 	struct nv10_fence_chan *fctx;
 	struct ttm_resource *reg = &priv->bo->bo.mem;
 	u32 start = reg->start * PAGE_SIZE;
-	u32 limit = start + reg->size - 1;
+	u32 limit = start + (reg->num_pages << PAGE_SHIFT) - 1;
 	int ret = 0;
 
 	fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
diff --git a/drivers/gpu/drm/nouveau/nv50_fence.c b/drivers/gpu/drm/nouveau/nv50_fence.c
index 447238e3cbe7..65d9a20f4e55 100644
--- a/drivers/gpu/drm/nouveau/nv50_fence.c
+++ b/drivers/gpu/drm/nouveau/nv50_fence.c
@@ -39,7 +39,7 @@ nv50_fence_context_new(struct nouveau_channel *chan)
 	struct nv10_fence_chan *fctx;
 	struct ttm_resource *reg = &priv->bo->bo.mem;
 	u32 start = reg->start * PAGE_SIZE;
-	u32 limit = start + reg->size - 1;
+	u32 limit = start + (reg->num_pages << PAGE_SHIFT) - 1;
 	int ret;
 
 	fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index a9f184cdbe24..7602d7734d38 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -956,7 +956,6 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
 	dma_resv_assert_held(bo->base.resv);
 
 	mem.num_pages = bo->mem.num_pages;
-	mem.size = mem.num_pages << PAGE_SHIFT;
 	mem.page_alignment = bo->mem.page_alignment;
 	mem.bus.offset = 0;
 	mem.bus.addr = NULL;
@@ -1102,7 +1101,6 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 	INIT_LIST_HEAD(&bo->swap);
 	bo->bdev = bdev;
 	bo->type = type;
-	bo->mem.size = num_pages << PAGE_SHIFT;
 	bo->mem.mem_type = TTM_PL_SYSTEM;
 	bo->mem.num_pages = num_pages;
 	bo->mem.mm_node = NULL;
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index f201ec42b90b..f98d14957869 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -614,7 +614,7 @@ int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
 
 static inline unsigned long ttm_bo_size_bytes(struct ttm_buffer_object *bo)
 {
-	return bo->mem.size;
+	return bo->mem.num_pages << PAGE_SHIFT;
 }
 
 #endif
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index f48a70d39ac5..fc9d9d7f9f15 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -159,7 +159,6 @@ struct ttm_bus_placement {
  * struct ttm_resource
  *
  * @mm_node: Memory manager node.
- * @size: Requested size of memory region.
  * @num_pages: Actual size of memory region in pages.
  * @page_alignment: Page alignment.
  * @placement: Placement flags.
@@ -171,7 +170,6 @@ struct ttm_bus_placement {
 struct ttm_resource {
 	void *mm_node;
 	unsigned long start;
-	unsigned long size;
 	unsigned long num_pages;
 	uint32_t page_alignment;
 	uint32_t mem_type;
-- 
2.27.0