extern void drm_handle_vblank(struct drm_device *dev, int crtc);
extern int drm_vblank_get(struct drm_device *dev, int crtc);
extern void drm_vblank_put(struct drm_device *dev, int crtc);
+extern void drm_vblank_off(struct drm_device *dev, int crtc);
extern void drm_vblank_cleanup(struct drm_device *dev);
/* Modesetting support */
extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
{
+ if (size != 0 && nmemb > ULONG_MAX / size)
+ return NULL;
+
if (size * nmemb <= PAGE_SIZE)
return kcalloc(nmemb, size, GFP_KERNEL);
+ return __vmalloc(size * nmemb,
+ GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL);
+}
+
+/* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
+static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
+{
if (size != 0 && nmemb > ULONG_MAX / size)
return NULL;
+ if (size * nmemb <= PAGE_SIZE)
+ return kmalloc(nmemb * size, GFP_KERNEL);
+
return __vmalloc(size * nmemb,
- GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL);
+ GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
}
static __inline void drm_free_large(void *ptr)