diff options
| -rw-r--r-- | libdrm/intel/intel_bufmgr_gem.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/libdrm/intel/intel_bufmgr_gem.c b/libdrm/intel/intel_bufmgr_gem.c index 70d0c855..737ceae9 100644 --- a/libdrm/intel/intel_bufmgr_gem.c +++ b/libdrm/intel/intel_bufmgr_gem.c @@ -139,6 +139,8 @@ struct _drm_intel_bo_gem { uint32_t tiling_mode; uint32_t swizzle_mode; + time_t free_time; + /** Array passed to the DRM containing relocation information. */ struct drm_i915_gem_relocation_entry *relocs; /** Array of bos corresponding to relocs[i].target_handle */ @@ -220,7 +222,6 @@ drm_intel_gem_bo_bucket_for_size(drm_intel_bufmgr_gem *bufmgr_gem, return NULL; } - static void drm_intel_gem_dump_validation_list(drm_intel_bufmgr_gem *bufmgr_gem) { int i, j; @@ -533,6 +534,30 @@ drm_intel_gem_bo_free(drm_intel_bo *bo) free(bo); } +/** Frees all cached buffers significantly older than @time. */ +static void +drm_intel_gem_cleanup_bo_cache(drm_intel_bufmgr_gem *bufmgr_gem, time_t time) +{ + int i; + + for (i = 0; i < DRM_INTEL_GEM_BO_BUCKETS; i++) { + struct drm_intel_gem_bo_bucket *bucket = &bufmgr_gem->cache_bucket[i]; + + while (!DRMLISTEMPTY(&bucket->head)) { + drm_intel_bo_gem *bo_gem; + + bo_gem = DRMLISTENTRY(drm_intel_bo_gem, bucket->head.next, head); + if (time - bo_gem->free_time <= 1) + break; + + DRMLISTDEL(&bo_gem->head); + bucket->num_entries--; + + drm_intel_gem_bo_free(&bo_gem->bo); + } + } +} + static void drm_intel_gem_bo_unreference_locked(drm_intel_bo *bo) { @@ -567,6 +592,11 @@ drm_intel_gem_bo_unreference_locked(drm_intel_bo *bo) bucket->num_entries < bucket->max_entries)) && drm_intel_gem_bo_set_tiling(bo, &tiling_mode, 0) == 0) { + struct timespec time; + + clock_gettime(CLOCK_MONOTONIC, &time); + bo_gem->free_time = time.tv_sec; + bo_gem->name = NULL; bo_gem->validate_index = -1; bo_gem->relocs = NULL; @@ -575,6 +605,8 @@ drm_intel_gem_bo_unreference_locked(drm_intel_bo *bo) DRMLISTADDTAIL(&bo_gem->head, &bucket->head); bucket->num_entries++; + + drm_intel_gem_cleanup_bo_cache(bufmgr_gem, time.tv_sec); } else { drm_intel_gem_bo_free(bo); } |