}
static int
-drm_intel_gem_bo_madvise(drm_intel_bufmgr_gem *bufmgr_gem,
- drm_intel_bo_gem *bo_gem, int state)
+drm_intel_gem_bo_madvise_internal(drm_intel_bufmgr_gem *bufmgr_gem,
+ drm_intel_bo_gem *bo_gem, int state)
{
struct drm_i915_gem_madvise madv;
return madv.retained;
}
+static int
+drm_intel_gem_bo_madvise(drm_intel_bo *bo, int madv)
+{
+ return drm_intel_gem_bo_madvise_internal
+ ((drm_intel_bufmgr_gem *) bo->bufmgr,
+ (drm_intel_bo_gem *) bo,
+ madv);
+}
+
/* drop the oldest entries that have been purged by the kernel */
static void
drm_intel_gem_bo_cache_purge_bucket(drm_intel_bufmgr_gem *bufmgr_gem,
bo_gem = DRMLISTENTRY(drm_intel_bo_gem,
bucket->head.next, head);
- if (drm_intel_gem_bo_madvise
+ if (drm_intel_gem_bo_madvise_internal
(bufmgr_gem, bo_gem, I915_MADV_DONTNEED))
break;
}
if (alloc_from_cache) {
- if (!drm_intel_gem_bo_madvise
+ if (!drm_intel_gem_bo_madvise_internal
(bufmgr_gem, bo_gem, I915_MADV_WILLNEED)) {
drm_intel_gem_bo_free(&bo_gem->bo);
drm_intel_gem_bo_cache_purge_bucket(bufmgr_gem,
DRMLISTADDTAIL(&bo_gem->head, &bucket->head);
- drm_intel_gem_bo_madvise(bufmgr_gem, bo_gem,
- I915_MADV_DONTNEED);
+ drm_intel_gem_bo_madvise_internal(bufmgr_gem, bo_gem,
+ I915_MADV_DONTNEED);
drm_intel_gem_cleanup_bo_cache(bufmgr_gem, time);
} else {
drm_intel_gem_bo_free(bo);
bufmgr_gem->bufmgr.bo_flink = drm_intel_gem_bo_flink;
bufmgr_gem->bufmgr.bo_exec = drm_intel_gem_bo_exec;
bufmgr_gem->bufmgr.bo_busy = drm_intel_gem_bo_busy;
+ bufmgr_gem->bufmgr.bo_madvise = drm_intel_gem_bo_madvise;
bufmgr_gem->bufmgr.destroy = drm_intel_bufmgr_gem_destroy;
bufmgr_gem->bufmgr.debug = 0;
bufmgr_gem->bufmgr.check_aperture_space =
*/
int (*bo_busy) (drm_intel_bo *bo);
+ /**
+ * Specify the volatility of the buffer.
+ * \param bo Buffer to create a name for
+ * \param madv The purgeable status
+ *
+ * Use I915_MADV_DONTNEED to mark the buffer as purgeable, and it will be
+ * reclaimed under memory pressure. If you subsequently require the buffer,
+ * then you must pass I915_MADV_WILLNEED to mark the buffer as required.
+ *
+ * Returns 1 if the buffer was retained, or 0 if it was discarded whilst
+ * marked as I915_MADV_DONTNEED.
+ */
+ int (*bo_madvise) (drm_intel_bo *bo, int madv);
+
int (*check_aperture_space) (drm_intel_bo ** bo_array, int count);
/**