drm/xe: Support copying of data between system memory bos

Modify the xe_migrate_copy() function somewhat to explicitly allow
copying of data between two buffer objects including system memory
buffer objects. Update the migrate test accordingly.

v2:
- Check that buffer object sizes match when copying (Matthew Auld)

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/xe/xe_migrate.h b/drivers/gpu/drm/xe/xe_migrate.h
index 1ff6e0a90de5..c283b626c21c 100644
--- a/drivers/gpu/drm/xe/xe_migrate.h
+++ b/drivers/gpu/drm/xe/xe_migrate.h
@@ -73,7 +73,8 @@ struct xe_migrate_pt_update {
 struct xe_migrate *xe_migrate_init(struct xe_gt *gt);
 
 struct dma_fence *xe_migrate_copy(struct xe_migrate *m,
-				  struct xe_bo *bo,
+				  struct xe_bo *src_bo,
+				  struct xe_bo *dst_bo,
 				  struct ttm_resource *src,
 				  struct ttm_resource *dst);