drm/xe/pf: Update the LMTT when freeing VF GT config

The LMTT must be updated whenever we change the VF LMEM configuration.
We missed that step when freeing the whole VF GT config, which could
result in stale PTE in LMTT or LMTT PT object leaks. Fix that.

Fixes: ac6598aed1b3 ("drm/xe/pf: Add support to configure SR-IOV VFs")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240527115408.1064-1-michal.wajdeczko@intel.com

diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
index f678cd1..f49fc29 100644 (file)
--- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
+++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
@@ -1842,6 +1842,7 @@ static void pf_release_vf_config(struct xe_gt *gt, unsigned int vfid)
        if (!xe_gt_is_media_type(gt)) {
                pf_release_vf_config_ggtt(gt, config);
                pf_release_vf_config_lmem(gt, config);
+               pf_update_vf_lmtt(gt_to_xe(gt), vfid);
        }
        pf_release_config_ctxs(gt, config);
        pf_release_config_dbs(gt, config);