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path: root/drivers/gpu/drm/via/via_dma.c
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Diffstat (limited to 'drivers/gpu/drm/via/via_dma.c')
-rw-r--r--drivers/gpu/drm/via/via_dma.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/via/via_dma.c b/drivers/gpu/drm/via/via_dma.c
index 652f9b43ec9d..a18479c6b6da 100644
--- a/drivers/gpu/drm/via/via_dma.c
+++ b/drivers/gpu/drm/via/via_dma.c
@@ -60,7 +60,7 @@
dev_priv->dma_low += 8; \
}
-#define via_flush_write_combine() DRM_MEMORYBARRIER()
+#define via_flush_write_combine() mb()
#define VIA_OUT_RING_QW(w1, w2) do { \
*vb++ = (w1); \
@@ -234,13 +234,13 @@ static int via_dma_init(struct drm_device *dev, void *data, struct drm_file *fil
switch (init->func) {
case VIA_INIT_DMA:
- if (!DRM_SUSER(DRM_CURPROC))
+ if (!capable(CAP_SYS_ADMIN))
retcode = -EPERM;
else
retcode = via_initialize(dev, dev_priv, init);
break;
case VIA_CLEANUP_DMA:
- if (!DRM_SUSER(DRM_CURPROC))
+ if (!capable(CAP_SYS_ADMIN))
retcode = -EPERM;
else
retcode = via_dma_cleanup(dev);
@@ -273,7 +273,7 @@ static int via_dispatch_cmdbuffer(struct drm_device *dev, drm_via_cmdbuffer_t *c
if (cmd->size > VIA_PCI_BUF_SIZE)
return -ENOMEM;
- if (DRM_COPY_FROM_USER(dev_priv->pci_buf, cmd->buf, cmd->size))
+ if (copy_from_user(dev_priv->pci_buf, cmd->buf, cmd->size))
return -EFAULT;
/*
@@ -346,7 +346,7 @@ static int via_dispatch_pci_cmdbuffer(struct drm_device *dev,
if (cmd->size > VIA_PCI_BUF_SIZE)
return -ENOMEM;
- if (DRM_COPY_FROM_USER(dev_priv->pci_buf, cmd->buf, cmd->size))
+ if (copy_from_user(dev_priv->pci_buf, cmd->buf, cmd->size))
return -EFAULT;
if ((ret =
@@ -543,7 +543,7 @@ static void via_cmdbuf_start(drm_via_private_t *dev_priv)
VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi);
VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo);
- DRM_WRITEMEMORYBARRIER();
+ wmb();
VIA_WRITE(VIA_REG_TRANSPACE, command | HC_HAGPCMNT_MASK);
VIA_READ(VIA_REG_TRANSPACE);