diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_bo.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_bo.h | 1 |
2 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index a1302afb31b9..66ed888bba07 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -609,6 +609,23 @@ static bool xe_ttm_resource_visible(struct ttm_resource *mem) return vres->used_visible_size == mem->size; } +/** + * xe_bo_is_visible_vram - check if BO is placed entirely in visible VRAM. + * @bo: The BO + * + * This function checks whether a given BO resides entirely in memory visible from the CPU + * + * Returns: true if the BO is entirely visible, false otherwise. + * + */ +bool xe_bo_is_visible_vram(struct xe_bo *bo) +{ + if (drm_WARN_ON(bo->ttm.base.dev, !xe_bo_is_vram(bo))) + return false; + + return xe_ttm_resource_visible(bo->ttm.resource); +} + static int xe_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem) { @@ -1634,7 +1651,7 @@ static int xe_ttm_access_memory(struct ttm_buffer_object *ttm_bo, if (!mem_type_is_vram(ttm_bo->resource->mem_type)) return -EIO; - if (!xe_ttm_resource_visible(ttm_bo->resource) || len >= SZ_16K) { + if (!xe_bo_is_visible_vram(bo) || len >= SZ_16K) { struct xe_migrate *migrate = mem_type_to_migrate(xe, ttm_bo->resource->mem_type); diff --git a/drivers/gpu/drm/xe/xe_bo.h b/drivers/gpu/drm/xe/xe_bo.h index 353d607d301d..911d5b90461a 100644 --- a/drivers/gpu/drm/xe/xe_bo.h +++ b/drivers/gpu/drm/xe/xe_bo.h @@ -274,6 +274,7 @@ int xe_bo_read(struct xe_bo *bo, u64 offset, void *dst, int size); bool mem_type_is_vram(u32 mem_type); bool xe_bo_is_vram(struct xe_bo *bo); +bool xe_bo_is_visible_vram(struct xe_bo *bo); bool xe_bo_is_stolen(struct xe_bo *bo); bool xe_bo_is_stolen_devmem(struct xe_bo *bo); bool xe_bo_is_vm_bound(struct xe_bo *bo); |