diff options
| -rw-r--r-- | include/drm/drm.h | 9 | ||||
| -rw-r--r-- | xf86drm.c | 12 | ||||
| -rw-r--r-- | xf86drm.h | 1 |
3 files changed, 22 insertions, 0 deletions
diff --git a/include/drm/drm.h b/include/drm/drm.h index c968dc81..416673af 100644 --- a/include/drm/drm.h +++ b/include/drm/drm.h @@ -612,6 +612,12 @@ struct drm_gem_open { __u64 size; }; +/** DRM_IOCTL_GET_CAP ioctl argument type */ +struct drm_get_cap { + __u64 capability; + __u64 value; +}; + #include "drm_mode.h" #define DRM_IOCTL_BASE 'd' @@ -632,6 +638,7 @@ struct drm_gem_open { #define DRM_IOCTL_GEM_CLOSE DRM_IOW (0x09, struct drm_gem_close) #define DRM_IOCTL_GEM_FLINK DRM_IOWR(0x0a, struct drm_gem_flink) #define DRM_IOCTL_GEM_OPEN DRM_IOWR(0x0b, struct drm_gem_open) +#define DRM_IOCTL_GET_CAP DRM_IOWR(0x0c, struct drm_get_cap) #define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, struct drm_unique) #define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, struct drm_auth) @@ -747,6 +754,8 @@ struct drm_event_vblank { __u32 reserved; }; +#define DRM_CAP_DUMB_BUFFER 0x1 + /* typedef area */ typedef struct drm_clip_rect drm_clip_rect_t; typedef struct drm_drawable_info drm_drawable_info_t; @@ -810,6 +810,18 @@ drmVersionPtr drmGetLibVersion(int fd) return (drmVersionPtr)version; } +int drmGetCap(int fd, uint64_t capability, uint64_t *value) +{ + struct drm_get_cap cap = { capability, 0 }; + int ret; + + ret = drmIoctl(fd, DRM_IOCTL_GET_CAP, &cap); + if (ret) + return ret; + + *value = cap.value; + return cap.value; +} /** * Free the bus ID information. @@ -542,6 +542,7 @@ extern int drmOpenControl(int minor); extern int drmClose(int fd); extern drmVersionPtr drmGetVersion(int fd); extern drmVersionPtr drmGetLibVersion(int fd); +extern int drmGetCap(int fd, uint64_t capability, uint64_t *value); extern void drmFreeVersion(drmVersionPtr); extern int drmGetMagic(int fd, drm_magic_t * magic); extern char *drmGetBusid(int fd); |