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> } > > +/** > + * xe_sriov_vf_migration_ccs_bb_needed - Whether GuC requires CCS copy BBs for VF migration. > + * @xe: the &xe_device instance. > + * > + * Only selected platforms require VF KMD to maintain CCS copy BBs and linked LRCAs. > + * > + * Return: true if VF driver must participate in the CCS migration, false otherwise. > + */ > +bool xe_sriov_vf_migration_ccs_bb_needed(struct xe_device *xe) > +{ > + xe_assert(xe, IS_SRIOV_VF(xe)); > + > + return !IS_DGFX(xe) && xe_device_has_flat_ccs(xe); > +} > + > static void xe_sriov_vf_ccs_fini(void *arg) > { > struct xe_sriov_vf_ccs_ctx *ctx = arg; > @@ -294,7 +309,7 @@ int xe_sriov_vf_ccs_init(struct xe_device *xe) > xe_assert(xe, IS_SRIOV_VF(xe)); > xe_assert(xe, xe_sriov_vf_migration_supported(xe)); > > - if (IS_DGFX(xe) || !xe_device_has_flat_ccs(xe)) > + if (!xe_sriov_vf_migration_ccs_bb_needed(xe)) > return 0; > > for_each_ccs_rw_ctx(ctx_id) { > diff --git a/drivers/gpu/drm/xe/xe_sriov_vf_ccs.h b/drivers/gpu/drm/xe/xe_sriov_vf_ccs.h > index f8ca6efce9ee..0e6b27016dac 100644 > --- a/drivers/gpu/drm/xe/xe_sriov_vf_ccs.h > +++ b/drivers/gpu/drm/xe/xe_sriov_vf_ccs.h > @@ -14,6 +14,8 @@ struct drm_printer; > struct xe_device; > struct xe_bo; > > +bool xe_sriov_vf_migration_ccs_bb_needed(struct xe_device *xe); > + > int xe_sriov_vf_ccs_init(struct xe_device *xe); > int xe_sriov_vf_ccs_attach_bo(struct xe_bo *bo); > int xe_sriov_vf_ccs_detach_bo(struct xe_bo *bo);