diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_types.h | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c index 1fe4d54409d3..47cb87f599e4 100644 --- a/drivers/gpu/drm/xe/xe_gt.c +++ b/drivers/gpu/drm/xe/xe_gt.c @@ -399,6 +399,12 @@ static int gt_fw_domain_init(struct xe_gt *gt) /* Initialize CCS mode sysfs after early initialization of HW engines */ xe_gt_ccs_mode_sysfs_init(gt); + /* + * Stash hardware-reported version. Since this register does not exist + * on pre-MTL platforms, reading it there will (correctly) return 0. + */ + gt->info.gmdid = xe_mmio_read32(gt, GMD_ID); + err = xe_force_wake_put(gt_to_fw(gt), XE_FW_GT); XE_WARN_ON(err); xe_device_mem_access_put(gt_to_xe(gt)); diff --git a/drivers/gpu/drm/xe/xe_gt_types.h b/drivers/gpu/drm/xe/xe_gt_types.h index 3caaea2ff908..70c615dd1498 100644 --- a/drivers/gpu/drm/xe/xe_gt_types.h +++ b/drivers/gpu/drm/xe/xe_gt_types.h @@ -117,6 +117,8 @@ struct xe_gt { * hwconfig blob. */ u64 __engine_mask; + /** @info.gmdid: raw GMD_ID value from hardware */ + u32 gmdid; } info; /** |