diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_sa.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sa.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_sa.c b/drivers/gpu/drm/xe/xe_sa.c index fedd017d6dd3..63a5263dcf1b 100644 --- a/drivers/gpu/drm/xe/xe_sa.c +++ b/drivers/gpu/drm/xe/xe_sa.c @@ -110,6 +110,10 @@ struct drm_suballoc *__xe_sa_bo_new(struct xe_sa_manager *sa_manager, u32 size, return drm_suballoc_new(&sa_manager->base, size, gfp, true, 0); } +/** + * xe_sa_bo_flush_write() - Copy the data from the sub-allocation to the GPU memory. + * @sa_bo: the &drm_suballoc to flush + */ void xe_sa_bo_flush_write(struct drm_suballoc *sa_bo) { struct xe_sa_manager *sa_manager = to_xe_sa_manager(sa_bo->manager); @@ -123,6 +127,23 @@ void xe_sa_bo_flush_write(struct drm_suballoc *sa_bo) drm_suballoc_size(sa_bo)); } +/** + * xe_sa_bo_sync_read() - Copy the data from GPU memory to the sub-allocation. + * @sa_bo: the &drm_suballoc to sync + */ +void xe_sa_bo_sync_read(struct drm_suballoc *sa_bo) +{ + struct xe_sa_manager *sa_manager = to_xe_sa_manager(sa_bo->manager); + struct xe_device *xe = tile_to_xe(sa_manager->bo->tile); + + if (!sa_manager->bo->vmap.is_iomem) + return; + + xe_map_memcpy_from(xe, xe_sa_bo_cpu_addr(sa_bo), &sa_manager->bo->vmap, + drm_suballoc_soffset(sa_bo), + drm_suballoc_size(sa_bo)); +} + void xe_sa_bo_free(struct drm_suballoc *sa_bo, struct dma_fence *fence) { |