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intel: Only store a buffer in the cache if it is retained. 

If the kernel immediately frees the backing store for a buffer when
marking it purgeable, then there is not point adding to the cache. Free
it immediately, instead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson 2009-11-30 20:02:05 +00:00
parent 6f66de982a
commit 60aa803dc7
1 changed files with 4 additions and 4 deletions
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8
intel/intel_bufmgr_gem.c
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@ -742,7 +742,9 @@ drm_intel_gem_bo_unreference_final(drm_intel_bo *bo, time_t time)
/* Put the buffer into our internal cache for reuse if we can. */
tiling_mode = I915_TILING_NONE;
if (bufmgr_gem->bo_reuse && bo_gem->reusable && bucket != NULL &&
drm_intel_gem_bo_set_tiling(bo, &tiling_mode, 0) == 0) {
drm_intel_gem_bo_set_tiling(bo, &tiling_mode, 0) == 0 &&
drm_intel_gem_bo_madvise_internal(bufmgr_gem, bo_gem,
I915_MADV_DONTNEED)) {
bo_gem->free_time = time;
bo_gem->name = NULL;
@ -751,8 +753,6 @@ drm_intel_gem_bo_unreference_final(drm_intel_bo *bo, time_t time)
DRMLISTADDTAIL(&bo_gem->head, &bucket->head);
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);
@ -928,7 +928,7 @@ int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo)
pthread_mutex_unlock(&bufmgr_gem->lock);
return 0;
return ret;
}
int drm_intel_gem_bo_unmap_gtt(drm_intel_bo *bo)