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authorChristian König <christian.koenig@amd.com>2022-02-18 12:05:40 +0300
committerChristian König <christian.koenig@amd.com>2022-05-09 15:49:50 +0300
commit3507932390bbfcf7c69dff9843f1c9da6ed4b861 (patch)
treed4fa2e34a9a6eb79d4066064d1baaeace4b043c7 /drivers/gpu
parentf0eaf60c67738da8aae786bda74a2fffeca6d7cc (diff)
downloadlinux-3507932390bbfcf7c69dff9843f1c9da6ed4b861.tar.xz
drm/ttm: move default BO destructor into VMWGFX v2
It's the only driver using this. v2: use BUG_ON() in vmw_bo_create() as suggested by Zack Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Zack Rusin <zackr@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220329110243.6335-5-christian.koenig@amd.com
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c9
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_bo.c10
2 files changed, 10 insertions, 9 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 75d308ec173d..296af2b89951 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -44,12 +44,6 @@
#include "ttm_module.h"
-/* default destructor */
-static void ttm_bo_default_destroy(struct ttm_buffer_object *bo)
-{
- kfree(bo);
-}
-
static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
struct ttm_placement *placement)
{
@@ -936,8 +930,7 @@ int ttm_bo_init_reserved(struct ttm_device *bdev,
bool locked;
int ret;
- bo->destroy = destroy ? destroy : ttm_bo_default_destroy;
-
+ bo->destroy = destroy;
kref_init(&bo->kref);
INIT_LIST_HEAD(&bo->ddestroy);
bo->bdev = bdev;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index eb94433067ba..85a66014c2b6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -393,6 +393,12 @@ void vmw_bo_bo_free(struct ttm_buffer_object *bo)
kfree(vmw_bo);
}
+/* default destructor */
+static void vmw_bo_default_destroy(struct ttm_buffer_object *bo)
+{
+ kfree(bo);
+}
+
/**
* vmw_bo_create_kernel - Create a pinned BO for internal kernel use.
*
@@ -425,7 +431,7 @@ int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
ret = ttm_bo_init_reserved(&dev_priv->bdev, bo, size,
ttm_bo_type_kernel, placement, 0,
- &ctx, NULL, NULL, NULL);
+ &ctx, NULL, NULL, vmw_bo_default_destroy);
if (unlikely(ret))
goto error_free;
@@ -448,6 +454,8 @@ int vmw_bo_create(struct vmw_private *vmw,
{
int ret;
+ BUG_ON(!bo_free);
+
*p_bo = kmalloc(sizeof(**p_bo), GFP_KERNEL);
if (unlikely(!*p_bo)) {
DRM_ERROR("Failed to allocate a buffer.\n");