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SubjectRe: [PATCH 1/2] drm: mediatek: mtk_drm_plane: Use kmalloc in mtk_plane_duplicate_state
Hi, AngeloGioacchino:

AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> 於
2022年1月18日 週二 下午9:38寫道:
>
> There is no need to zero out the newly allocated memory because we are
> duplicating all members of struct mtk_plane_state: switch to kmalloc
> to save some overhead.

Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_plane.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> index c74cb94e445e..39cb9a80d976 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> @@ -57,7 +57,7 @@ static struct drm_plane_state *mtk_plane_duplicate_state(struct drm_plane *plane
> struct mtk_plane_state *old_state = to_mtk_plane_state(plane->state);
> struct mtk_plane_state *state;
>
> - state = kzalloc(sizeof(*state), GFP_KERNEL);
> + state = kmalloc(sizeof(*state), GFP_KERNEL);
> if (!state)
> return NULL;
>
> --
> 2.33.1
>

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