drm/xe/xe2: Handle flat ccs move for igfx.

- Clear flat ccs during user bo creation.
- copy ccs meta data between flat ccs and bo during eviction and
restore.
- Add a bool field ccs_cleared in bo, true means ccs region of bo is
already cleared.

v2:
 - Rebase.

v3:
 - Maintain order of xe_bo_move_notify for ttm_bo_type_sg.

v4:
 - xe_migrate_copy can be used to copy src to dst bo on igfx too.
Add a bool which handles only ccs metadata copy.

v5:
- on dgfx ccs should be cleared even if the bo is not compression enabled.

Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/xe/xe_bo_types.h b/drivers/gpu/drm/xe/xe_bo_types.h
index f71dbc518958..64c2249a4e40 100644
--- a/drivers/gpu/drm/xe/xe_bo_types.h
+++ b/drivers/gpu/drm/xe/xe_bo_types.h
@@ -79,6 +79,10 @@ struct xe_bo {
 	struct llist_node freed;
 	/** @created: Whether the bo has passed initial creation */
 	bool created;
+
+	/** @ccs_cleared */
+	bool ccs_cleared;
+
 	/**
 	 * @cpu_caching: CPU caching mode. Currently only used for userspace
 	 * objects.