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| author |   Yang Wang <KevinYang.Wang@amd.com> | 2022-04-21 20:34:42 +0800 |
|---|---|---|
| committer |   Christian König <christian.koenig@amd.com> | 2022-04-21 14:47:30 +0200 |
| commit | 8f97344aa04b29acd69e592c3708b9045cf62794 (patch) | |
| tree | 789b04551d306c9ec04f233591678e47ec97c7eb /drivers/gpu/drm/ttm | |
| parent | drm/bridge: Fix error handling in analogix_dp_probe (diff) | |
| download | linux-dev-8f97344aa04b29acd69e592c3708b9045cf62794.tar.xz linux-dev-8f97344aa04b29acd69e592c3708b9045cf62794.zip | |
drm/ttm: use kvcalloc() instead of kvmalloc_array() in ttm_tt v2
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>
Diffstat (limited to 'drivers/gpu/drm/ttm')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_tt.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 1a66d9fc589a..d505603930a7 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -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; } |