diff options
| author |   Souptick Joarder <jrdr.linux@gmail.com> | 2018-10-23 09:32:22 +0530 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2018-10-23 15:59:01 +0200 |
| commit | 068f304781804e208f901d8f6083189e0e28c420 (patch) | |
| tree | 3dd9287be2b2a9d0cd593b01c808fd33ffdfc7b7 /drivers/gpu/drm/drm_pci.c | |
| parent | DRM: UDL: get rid of useless vblank initialization (diff) | |
| download | wireguard-linux-068f304781804e208f901d8f6083189e0e28c420.tar.xz wireguard-linux-068f304781804e208f901d8f6083189e0e28c420.zip | |
drm/drm_pci.c: Use dma_zalloc_coherent
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
Diffstat (limited to 'drivers/gpu/drm/drm_pci.c')
| -rw-r--r-- | drivers/gpu/drm/drm_pci.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index 48f615d38931..a9d9df6c85ad 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; |