drm/ttm: remove ttm_buffer_object->buffer_start

All drivers set it to 0 and nothing uses it.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

8 files changed, 10 insertions, 14 deletions

diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
index 1a026ac2dfb4..0a54f65a8ebb 100644
--- a/drivers/gpu/drm/ast/ast_ttm.c
+++ b/drivers/gpu/drm/ast/ast_ttm.c
@@ -356,7 +356,7 @@ int ast_bo_create(struct drm_device *dev, int size, int align,
 
         ret = ttm_bo_init(&ast->ttm.bdev, &astbo->bo, size,
                           ttm_bo_type_device, &astbo->placement,
-                          align >> PAGE_SHIFT, 0, false, NULL, acc_size,
+                          align >> PAGE_SHIFT, false, NULL, acc_size,
                           NULL, ast_bo_ttm_destroy);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/cirrus/cirrus_ttm.c b/drivers/gpu/drm/cirrus/cirrus_ttm.c
index bc83f835c830..90d770143cc2 100644
--- a/drivers/gpu/drm/cirrus/cirrus_ttm.c
+++ b/drivers/gpu/drm/cirrus/cirrus_ttm.c
@@ -361,7 +361,7 @@ int cirrus_bo_create(struct drm_device *dev, int size, int align,
 
         ret = ttm_bo_init(&cirrus->ttm.bdev, &cirrusbo->bo, size,
                           ttm_bo_type_device, &cirrusbo->placement,
-                          align >> PAGE_SHIFT, 0, false, NULL, acc_size,
+                          align >> PAGE_SHIFT, false, NULL, acc_size,
                           NULL, cirrus_bo_ttm_destroy);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c
index 1504699666c4..49d60a620122 100644
--- a/drivers/gpu/drm/mgag200/mgag200_ttm.c
+++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c
@@ -355,7 +355,7 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align,
 
         ret = ttm_bo_init(&mdev->ttm.bdev, &mgabo->bo, size,
                           ttm_bo_type_device, &mgabo->placement,
-                          align >> PAGE_SHIFT, 0, false, NULL, acc_size,
+                          align >> PAGE_SHIFT, false, NULL, acc_size,
                           NULL, mgag200_bo_ttm_destroy);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 35ac57f0aab6..3cbf1a8cf551 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -225,7 +225,7 @@ nouveau_bo_new(struct drm_device *dev, int size, int align,
 
         ret = ttm_bo_init(&drm->ttm.bdev, &nvbo->bo, size,
                           type, &nvbo->placement,
-                          align >> PAGE_SHIFT, 0, false, NULL, acc_size, sg,
+                          align >> PAGE_SHIFT, false, NULL, acc_size, sg,
                           nouveau_bo_del_ttm);
         if (ret) {
                 /* ttm will call nouveau_bo_del_ttm if it fails.. */
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 65c55556fd3f..7c4b4bb05a36 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -140,7 +140,7 @@ int radeon_bo_create(struct radeon_device *rdev,
         /* Kernel allocation are uninterruptible */
         down_read(&rdev->pm.mclk_lock);
         r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
-                        &bo->placement, page_align, 0, !kernel, NULL,
+                        &bo->placement, page_align, !kernel, NULL,
                         acc_size, sg, &radeon_ttm_bo_destroy);
         up_read(&rdev->pm.mclk_lock);
         if (unlikely(r != 0)) {
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index e6bfcfdd3b60..f65182667825 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1179,7 +1179,6 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
                 enum ttm_bo_type type,
                 struct ttm_placement *placement,
                 uint32_t page_alignment,
-                unsigned long buffer_start,
                 bool interruptible,
                 struct file *persistent_swap_storage,
                 size_t acc_size,
@@ -1200,7 +1199,6 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
                 return -ENOMEM;
         }
 
-        size += buffer_start & ~PAGE_MASK;
         num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
         if (num_pages == 0) {
                 pr_err("Illegal buffer object size\n");
@@ -1233,7 +1231,6 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
         bo->mem.page_alignment = page_alignment;
         bo->mem.bus.io_reserved_vm = false;
         bo->mem.bus.io_reserved_count = 0;
-        bo->buffer_start = buffer_start & PAGE_MASK;
         bo->priv_flags = 0;
         bo->mem.placement = (TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED);
         bo->seq_valid = false;
@@ -1306,7 +1303,6 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
                         enum ttm_bo_type type,
                         struct ttm_placement *placement,
                         uint32_t page_alignment,
-                        unsigned long buffer_start,
                         bool interruptible,
                         struct file *persistent_swap_storage,
                         struct ttm_buffer_object **p_bo)
@@ -1321,8 +1317,8 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
 
         acc_size = ttm_bo_acc_size(bdev, size, sizeof(struct ttm_buffer_object));
         ret = ttm_bo_init(bdev, bo, size, type, placement, page_alignment,
-                                buffer_start, interruptible,
-                          persistent_swap_storage, acc_size, NULL, NULL);
+                          interruptible, persistent_swap_storage, acc_size,
+                          NULL, NULL);
         if (likely(ret == 0))
                 *p_bo = bo;
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index ed3c1e7ddde9..9f37b72a472c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -292,7 +292,7 @@ static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
                              PAGE_SIZE,
                              ttm_bo_type_device,
                              &vmw_vram_sys_placement,
-                             0, 0, false, NULL,
+                             0, false, NULL,
                              &dev_priv->dummy_query_bo);
 }
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index da3c6b5b98a1..be87124a2769 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -954,7 +954,7 @@ int vmw_surface_evict(struct vmw_private *dev_priv,
         if (!srf->backup) {
                 ret = ttm_bo_create(&dev_priv->bdev, srf->backup_size,
                                     ttm_bo_type_device,
-                                    &vmw_srf_placement, 0, 0, true,
+                                    &vmw_srf_placement, 0, true,
                                     NULL, &srf->backup);
                 if (unlikely(ret != 0))
                         return ret;
@@ -1566,7 +1566,7 @@ int vmw_dmabuf_init(struct vmw_private *dev_priv,
 
         ret = ttm_bo_init(bdev, &vmw_bo->base, size,
                           ttm_bo_type_device, placement,
-                          0, 0, interruptible,
+                          0, interruptible,
                           NULL, acc_size, NULL, bo_free);
         return ret;
 }