diff options
Diffstat (limited to 'shared')
| -rw-r--r-- | shared/via.h | 4 | ||||
| -rw-r--r-- | shared/via_dma.c | 19 | ||||
| -rw-r--r-- | shared/via_map.c | 1 |
3 files changed, 17 insertions, 7 deletions
diff --git a/shared/via.h b/shared/via.h index 423efc6b..5a5091b6 100644 --- a/shared/via.h +++ b/shared/via.h @@ -30,11 +30,11 @@ #define DRIVER_NAME "via" #define DRIVER_DESC "VIA Unichrome" -#define DRIVER_DATE "20041204" +#define DRIVER_DATE "20041206" #define DRIVER_MAJOR 2 #define DRIVER_MINOR 2 -#define DRIVER_PATCHLEVEL 0 +#define DRIVER_PATCHLEVEL 1 #define DRIVER_IOCTLS \ [DRM_IOCTL_NR(DRM_IOCTL_VIA_ALLOCMEM)] = { via_mem_alloc, 1, 0 }, \ diff --git a/shared/via_dma.c b/shared/via_dma.c index fbd3f6cb..cfb1ac38 100644 --- a/shared/via_dma.c +++ b/shared/via_dma.c @@ -171,19 +171,23 @@ int via_dma_init(DRM_IOCTL_ARGS) static int via_dispatch_cmdbuffer(drm_device_t * dev, drm_via_cmdbuffer_t * cmd) { - drm_via_private_t *dev_priv = dev->dev_private; + drm_via_private_t *dev_priv; uint32_t *vb; int ret; + dev_priv = (drm_via_private_t *) dev->dev_private; + + if (dev_priv->ring.virtual_start == NULL) { + DRM_ERROR("%s called without initializing AGP ring buffer.\n", + __FUNCTION__); + return DRM_ERR(EFAULT); + } + if (cmd->size > pci_bufsiz && pci_bufsiz > 0) { return DRM_ERR(ENOMEM); } - vb = via_check_dma(dev_priv, cmd->size); - if (vb == NULL) { - return DRM_ERR(EAGAIN); - } if (DRM_COPY_FROM_USER(pci_buf, cmd->buf, cmd->size)) return DRM_ERR(EFAULT); @@ -199,6 +203,11 @@ static int via_dispatch_cmdbuffer(drm_device_t * dev, drm_via_cmdbuffer_t * cmd) return ret; } + vb = via_check_dma(dev_priv, cmd->size); + if (vb == NULL) { + return DRM_ERR(EAGAIN); + } + memcpy(vb, pci_buf, cmd->size); dev_priv->dma_low += cmd->size; diff --git a/shared/via_map.c b/shared/via_map.c index 3aa66a17..ac8f105f 100644 --- a/shared/via_map.c +++ b/shared/via_map.c @@ -33,6 +33,7 @@ int via_do_init_map(drm_device_t * dev, drm_via_init_t * init) DRM_DEBUG("%s\n", __FUNCTION__); + via_init_command_verifier(); dev_priv = DRM(alloc) (sizeof(drm_via_private_t), DRM_MEM_DRIVER); if (dev_priv == NULL) return -ENOMEM; |