}
#endif
+static const char *drmGetDeviceName(int type)
+{
+ switch (type) {
+ case DRM_NODE_PRIMARY:
+ return DRM_DEV_NAME;
+ case DRM_NODE_CONTROL:
+ return DRM_CONTROL_DEV_NAME;
+ case DRM_NODE_RENDER:
+ return DRM_RENDER_DEV_NAME;
+ }
+ return NULL;
+}
+
/**
* Open the DRM device, creating it if necessary.
*
static int drmOpenDevice(dev_t dev, int minor, int type)
{
stat_t st;
- const char *dev_name;
+ const char *dev_name = drmGetDeviceName(type);
char buf[DRM_NODE_NAME_MAX];
int fd;
mode_t devmode = DRM_DEV_MODE, serv_mode;
gid_t group = DRM_DEV_GID;
#endif
- switch (type) {
- case DRM_NODE_PRIMARY:
- dev_name = DRM_DEV_NAME;
- break;
- case DRM_NODE_CONTROL:
- dev_name = DRM_CONTROL_DEV_NAME;
- break;
- case DRM_NODE_RENDER:
- dev_name = DRM_RENDER_DEV_NAME;
- break;
- default:
+ if (!dev_name)
return -EINVAL;
- };
sprintf(buf, dev_name, DRM_DIR_NAME, minor);
drmMsg("drmOpenDevice: node name is %s\n", buf);
{
int fd;
char buf[DRM_NODE_NAME_MAX];
- const char *dev_name;
+ const char *dev_name = drmGetDeviceName(type);
if (create)
return drmOpenDevice(makedev(DRM_MAJOR, minor), minor, type);
- switch (type) {
- case DRM_NODE_PRIMARY:
- dev_name = DRM_DEV_NAME;
- break;
- case DRM_NODE_CONTROL:
- dev_name = DRM_CONTROL_DEV_NAME;
- break;
- case DRM_NODE_RENDER:
- dev_name = DRM_RENDER_DEV_NAME;
- break;
- default:
+ if (!dev_name)
return -EINVAL;
- };
sprintf(buf, dev_name, DRM_DIR_NAME, minor);
if ((fd = open(buf, O_RDWR | O_CLOEXEC, 0)) >= 0)
#else
struct stat sbuf;
char buf[PATH_MAX + 1];
- const char *dev_name;
+ const char *dev_name = drmGetDeviceName(type);
unsigned int maj, min;
int n;
if (!drmNodeIsDRM(maj, min) || !S_ISCHR(sbuf.st_mode))
return NULL;
- switch (type) {
- case DRM_NODE_PRIMARY:
- dev_name = DRM_DEV_NAME;
- break;
- case DRM_NODE_CONTROL:
- dev_name = DRM_CONTROL_DEV_NAME;
- break;
- case DRM_NODE_RENDER:
- dev_name = DRM_RENDER_DEV_NAME;
- break;
- default:
+ if (!dev_name)
return NULL;
- };
n = snprintf(buf, sizeof(buf), dev_name, DRM_DIR_NAME, min);
if (n == -1 || n >= sizeof(buf))
if (node_type == -1)
return -ENODEV;
- switch (node_type) {
- case DRM_NODE_PRIMARY:
- dev_name = DRM_DEV_NAME;
- break;
- case DRM_NODE_CONTROL:
- dev_name = DRM_CONTROL_DEV_NAME;
- break;
- case DRM_NODE_RENDER:
- dev_name = DRM_RENDER_DEV_NAME;
- break;
- default:
+ dev_name = drmGetDeviceName(node_type);
+ if (!dev_name)
return -EINVAL;
- };
n = snprintf(node, PATH_MAX, dev_name, DRM_DIR_NAME, min);
if (n == -1 || n >= PATH_MAX)
if (node_type == -1)
return NULL;
- switch (node_type) {
- case DRM_NODE_PRIMARY:
- dev_name = DRM_DEV_NAME;
- break;
- case DRM_NODE_CONTROL:
- dev_name = DRM_CONTROL_DEV_NAME;
- break;
- case DRM_NODE_RENDER:
- dev_name = DRM_RENDER_DEV_NAME;
- break;
- default:
+ dev_name = drmGetDeviceName(node_type);
+ if (!dev_name)
return NULL;
- };
n = snprintf(node, PATH_MAX, dev_name, DRM_DIR_NAME, min);
if (n == -1 || n >= PATH_MAX)