2 files changed, 34 insertions, 0 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index c8c42215143..b84d8ae35e6 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1519,6 +1519,30 @@ static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area)
 {
         return kcalloc(nmemb, size, GFP_KERNEL);
 }
+
+static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
+{
+        u8 *addr;
+
+        if (size <= PAGE_SIZE)
+            return kcalloc(nmemb, size, GFP_KERNEL);
+
+        addr = vmalloc(nmemb * size);
+        if (!addr)
+                return NULL;
+
+        memset(addr, 0, nmemb * size);
+
+        return addr;
+}
+
+static __inline void drm_free_large(void *ptr)
+{
+        if (!is_vmalloc_addr(ptr))
+                return kfree(ptr);
+
+        vfree(ptr);
+}
 #else
 extern void *drm_alloc(size_t size, int area);
 extern void drm_free(void *pt, size_t size, int area);
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 95962fa8398..8e1e92583fb 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -184,6 +184,7 @@ typedef struct _drm_i915_sarea {
 #define DRM_I915_GEM_GET_TILING 0x22
 #define DRM_I915_GEM_GET_APERTURE 0x23
 #define DRM_I915_GEM_MMAP_GTT   0x24
+#define DRM_I915_GET_PIPE_FROM_CRTC_ID  0x25
 
 #define DRM_IOCTL_I915_INIT             DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
 #define DRM_IOCTL_I915_FLUSH            DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -219,6 +220,7 @@ typedef struct _drm_i915_sarea {
 #define DRM_IOCTL_I915_GEM_SET_TILING   DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling)
 #define DRM_IOCTL_I915_GEM_GET_TILING   DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
 #define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR  (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)
+#define DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GET_PIPE_FROM_CRTC_ID, struct drm_intel_get_pipe_from_crtc_id)
 
 /* Allow drivers to submit batchbuffers directly to hardware, relying
  * on the security mechanisms provided by hardware.
@@ -657,4 +659,12 @@ struct drm_i915_gem_get_aperture {
         __u64 aper_available_size;
 };
 
+struct drm_i915_get_pipe_from_crtc_id {
+        /** ID of CRTC being requested **/
+        __u32 crtc_id;
+
+        /** pipe of requested CRTC **/
+        __u32 pipe;
+};
+
 #endif                          /* _I915_DRM_H_ */