From: Tom St Denis <tom.stdenis@amd.com>
Date: Wed, 24 Jan 2018 14:26:41 -0500
Subject: drm/ttm: Add a default BO destructor to simplify code (v2)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 420457acfb3060990bfca2af3d63730c26739de0
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
(v2): Remove stray ; noticed by Felix
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -49,6 +49,12 @@ static struct attribute ttm_bo_count = {
.mode = S_IRUGO
};
+/* default destructor */
+static void ttm_bo_default_destroy(struct ttm_buffer_object *bo)
+{
+ kfree(bo);
+}
+
static inline int ttm_mem_type_from_place(const struct ttm_place *place,
uint32_t *mem_type)
{
@@ -147,10 +153,7 @@ static void ttm_bo_release_list(struct k
dma_fence_put(bo->moving);
reservation_object_fini(&bo->ttm_resv);
mutex_destroy(&bo->wu_mutex);
- if (bo->destroy)
- bo->destroy(bo);
- else
- kfree(bo);
+ bo->destroy(bo);
ttm_mem_global_free(bdev->glob->mem_glob, acc_size);
}
@@ -1176,7 +1179,7 @@ int ttm_bo_init_reserved(struct ttm_bo_d
ttm_mem_global_free(mem_glob, acc_size);
return -EINVAL;
}
- bo->destroy = destroy;
+ bo->destroy = destroy ? destroy : ttm_bo_default_destroy;
kref_init(&bo->kref);
kref_init(&bo->list_kref);