diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h index 3a23083ec3cf..c92df0a2423f 100644 --- a/drivers/gpu/drm/xe/xe_device_types.h +++ b/drivers/gpu/drm/xe/xe_device_types.h @@ -121,6 +121,14 @@ struct xe_mmio { /** @regs: Map used to access registers. */ void __iomem *regs; + /** + * @sriov_vf_gt: Backpointer to GT. + * + * This pointer is only set for GT MMIO regions and only when running + * as an SRIOV VF structure + */ + struct xe_gt *sriov_vf_gt; + /** * @regs_size: Length of the register region within the map. * diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c index d68f5685071d..d045ea68c808 100644 --- a/drivers/gpu/drm/xe/xe_pci.c +++ b/drivers/gpu/drm/xe/xe_pci.c @@ -714,6 +714,9 @@ static int xe_info_init(struct xe_device *xe, gt->mmio.regs = tile->mmio.regs; gt->mmio.regs_size = tile->mmio.regs_size; gt->mmio.tile = tile; + if (IS_SRIOV_VF(xe)) + gt->mmio.sriov_vf_gt = gt; + if (MEDIA_VER(xe) < 13 && media_desc) gt->info.engine_mask |= media_desc->hw_engine_mask; @@ -737,6 +740,8 @@ static int xe_info_init(struct xe_device *xe, gt->mmio.adj_offset = MEDIA_GT_GSI_OFFSET; gt->mmio.adj_limit = MEDIA_GT_GSI_LENGTH; gt->mmio.tile = tile; + if (IS_SRIOV_VF(xe)) + gt->mmio.sriov_vf_gt = gt; /* * FIXME: At the moment multi-tile and standalone media are