diff options
Diffstat (limited to 'common/drm.c')
-rw-r--r-- | common/drm.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/common/drm.c b/common/drm.c new file mode 100644 index 0000000..4b70b64 --- /dev/null +++ b/common/drm.c @@ -0,0 +1,23 @@ +#include <sys/ioctl.h> +#include <sys/sysmacros.h> +#include <sys/types.h> + +#include "drm.h" + +// From libdrm +#define DRM_IOCTL_BASE 'd' +#define DRM_IO(nr) _IO(DRM_IOCTL_BASE, nr) +#define DRM_IOCTL_SET_MASTER DRM_IO(0x1e) +#define DRM_IOCTL_DROP_MASTER DRM_IO(0x1f) + +int drm_set_master(int fd) { + return ioctl(fd, DRM_IOCTL_SET_MASTER, 0); +} + +int drm_drop_master(int fd) { + return ioctl(fd, DRM_IOCTL_DROP_MASTER, 0); +} + +int dev_is_drm(dev_t device) { + return major(device) == 226; +} |