[PATCH v3 21/36] drm/xe/vf: Extra debug on GGTT shift

[Matthew Brost <matthew.brost@intel.com>]

Adding a bit of extra debugging to GGTT shift printing—specifically
printing the GGTT shift value—is helpful for VF post-migration recovery.

v3:
 - Reword commit message (Michal)
 - Adjust debug message (Michal)

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Tomasz Lis <tomasz.lis@intel.com>
---
 drivers/gpu/drm/xe/xe_gt_sriov_vf.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_vf.c b/drivers/gpu/drm/xe/xe_gt_sriov_vf.c
index 46bba0feadd0..a564f296e4b9 100644
--- a/drivers/gpu/drm/xe/xe_gt_sriov_vf.c
+++ b/drivers/gpu/drm/xe/xe_gt_sriov_vf.c
@@ -475,8 +475,11 @@ static int vf_get_ggtt_info(struct xe_gt *gt, bool recovery)
 		primary_config->ggtt_base = start;
 	err = config->ggtt_size ? 0 : -ENODATA;
 
-	if (!err && shift && recovery)
+	if (!err && shift && recovery) {
+		xe_gt_sriov_info(gt, "Shifting GGTT base by %lld to 0x%016llx\\n",
+				 shift, config->ggtt_base);
 		xe_tile_sriov_vf_fixup_ggtt_nodes(gt_to_tile(gt), shift);
+	}
 out:
 	up_write(config->lock);
 	return err;
-- 
2.34.1