diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_bo.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index 74294f1b05bc..65c696966e96 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -378,6 +378,15 @@ static struct ttm_tt *xe_ttm_tt_create(struct ttm_buffer_object *ttm_bo, (xe->info.graphics_verx100 >= 1270 && bo->flags & XE_BO_FLAG_PAGETABLE)) caching = ttm_write_combined; + if (bo->flags & XE_BO_FLAG_NEEDS_UC) { + /* + * Valid only for internally-created buffers only, for + * which cpu_caching is never initialized. + */ + xe_assert(xe, bo->cpu_caching == 0); + caching = ttm_uncached; + } + err = ttm_tt_init(&tt->ttm, &bo->ttm, page_flags, caching, extra_pages); if (err) { kfree(tt); |