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drm/drm_pci.c: Use dma_zalloc_coherent
author
Souptick Joarder
<jrdr.linux@gmail.com>
Tue, 23 Oct 2018 04:02:22 +0000
(09:32 +0530)
committer
Daniel Vetter
<daniel.vetter@ffwll.ch>
Tue, 23 Oct 2018 13:59:01 +0000
(15:59 +0200)
Replace dma_alloc_coherent + memset with dma_zalloc_coherent.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link:
https://patchwork.freedesktop.org/patch/msgid/20181023040222.GA1540@jordon-HP-15-Notebook-PC
drivers/gpu/drm/drm_pci.c
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diff --git
a/drivers/gpu/drm/drm_pci.c
b/drivers/gpu/drm/drm_pci.c
index 48f615d38931a946914b2a1ac1268acdb3bf95ff..a9d9df6c85ad9e65af837273bd2aeac95ede7c8b 100644
(file)
--- 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;