Hi Joonyoung,
Thank you for the patch.
On Saturday 15 March 2014 16:30:28 Joonyoung Shim wrote:
> 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@xxxxxxxxxxx>
Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/drm_gem_cma_helper.c | 19 -------------------
> 1 file changed, 19 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c
> b/drivers/gpu/drm/drm_gem_cma_helper.c index 6b51bf9..2c07cb9 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);
> }
--
Regards,
Laurent Pinchart
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