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drm/ttm: use kvcalloc() instead of kvmalloc_array() in ttm_tt v2

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simplify programming with existing functions.

v2 (chk): minimal coding style cleanup

Signed-off-by: Yang Wang <KevinYang.Wang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220421123442.1834102-1-KevinYang.Wang@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Yang Wang 2022-04-21 20:34:42 +08:00 committed by Christian König
parent 9f15930bb2
commit 8f97344aa0
1 changed files with 7 additions and 9 deletions
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16
drivers/gpu/drm/ttm/ttm_tt.c
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@ -96,19 +96,17 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc)
*/
static int ttm_tt_alloc_page_directory(struct ttm_tt *ttm)
{
ttm->pages = kvmalloc_array(ttm->num_pages, sizeof(void*),
GFP_KERNEL | __GFP_ZERO);
ttm->pages = kvcalloc(ttm->num_pages, sizeof(void*), GFP_KERNEL);
if (!ttm->pages)
return -ENOMEM;
return 0;
}
static int ttm_dma_tt_alloc_page_directory(struct ttm_tt *ttm)
{
ttm->pages = kvmalloc_array(ttm->num_pages,
sizeof(*ttm->pages) +
sizeof(*ttm->dma_address),
GFP_KERNEL | __GFP_ZERO);
ttm->pages = kvcalloc(ttm->num_pages, sizeof(*ttm->pages) +
sizeof(*ttm->dma_address), GFP_KERNEL);
if (!ttm->pages)
return -ENOMEM;
@ -118,11 +116,11 @@ static int ttm_dma_tt_alloc_page_directory(struct ttm_tt *ttm)
static int ttm_sg_tt_alloc_page_directory(struct ttm_tt *ttm)
{
ttm->dma_address = kvmalloc_array(ttm->num_pages,
sizeof(*ttm->dma_address),
GFP_KERNEL | __GFP_ZERO);
ttm->dma_address = kvcalloc(ttm->num_pages, sizeof(*ttm->dma_address),
GFP_KERNEL);
if (!ttm->dma_address)
return -ENOMEM;
return 0;
}