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authorJoonyoung Shim <jy0922.shim@samsung.com>2014-03-15 16:30:28 +0900
committerDave Airlie <airlied@redhat.com>2014-03-18 19:20:25 +1000
commit7550e3668ce1414f6c7edbe8b13c1169a1aa5960 (patch)
treefbaede90c27316447eb0299abb0f9e071967c1ad /drivers/gpu/drm/drm_gem_cma_helper.c
parentd1583c9997cf5e7e8ceef35b6f264262cda5f948 (diff)
drm/cma: remove to make sg_table when gem cma is created
The sg_table made when gem cma is created isn't used anywhere. The sgt of struct drm_gem_cma_object will have only sg_tabel imported. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_gem_cma_helper.c')
-rw-r--r--drivers/gpu/drm/drm_gem_cma_helper.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c
index 6b51bf90df0e..2c07cb9550ef 100644
--- a/drivers/gpu/drm/drm_gem_cma_helper.c
+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
@@ -79,7 +79,6 @@ struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
unsigned int size)
{
struct drm_gem_cma_object *cma_obj;
- struct sg_table *sgt = NULL;
int ret;
size = round_up(size, PAGE_SIZE);
@@ -97,23 +96,9 @@ struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
goto error;
}
- sgt = kzalloc(sizeof(*cma_obj->sgt), GFP_KERNEL);
- if (sgt == NULL) {
- ret = -ENOMEM;
- goto error;
- }
-
- ret = dma_get_sgtable(drm->dev, sgt, cma_obj->vaddr,
- cma_obj->paddr, size);
- if (ret < 0)
- goto error;
-
- cma_obj->sgt = sgt;
-
return cma_obj;
error:
- kfree(sgt);
drm_gem_cma_free_object(&cma_obj->base);
return ERR_PTR(ret);
}
@@ -175,10 +160,6 @@ void drm_gem_cma_free_object(struct drm_gem_object *gem_obj)
if (cma_obj->vaddr) {
dma_free_writecombine(gem_obj->dev->dev, cma_obj->base.size,
cma_obj->vaddr, cma_obj->paddr);
- if (cma_obj->sgt) {
- sg_free_table(cma_obj->sgt);
- kfree(cma_obj->sgt);
- }
} else if (gem_obj->import_attach) {
drm_prime_gem_destroy(gem_obj, cma_obj->sgt);
}