On Tue, Oct 23, 2018 at 09:32:22AM +0530, Souptick Joarder wrote:
> Replace dma_alloc_coherent + memset with dma_zalloc_coherent.
>
> Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
Applied, thanks for your patch.
-Daniel
> ---
> drivers/gpu/drm/drm_pci.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
> index 896e42a..1427879 100644
> --- a/drivers/gpu/drm/drm_pci.c
> +++ b/drivers/gpu/drm/drm_pci.c
> @@ -61,15 +61,14 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t ali
> return NULL;
>
> dmah->size = size;
> - dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL | __GFP_COMP);
> + dmah->vaddr = dma_zalloc_coherent(&dev->pdev->dev, size, &dmah->busaddr,
> + GFP_KERNEL | __GFP_COMP);
>
> if (dmah->vaddr == NULL) {
> kfree(dmah);
> return NULL;
> }
>
> - memset(dmah->vaddr, 0, size);
> -
> /* XXX - Is virt_to_page() legal for consistent mem? */
> /* Reserve */
> for (addr = (unsigned long)dmah->vaddr, sz = size;
> --
> 1.9.1
>
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> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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