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-rw-r--r--drivers/gpu/drm/xe/xe_huc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_huc.c b/drivers/gpu/drm/xe/xe_huc.c
index 386efa180c1c..2f176badab26 100644
--- a/drivers/gpu/drm/xe/xe_huc.c
+++ b/drivers/gpu/drm/xe/xe_huc.c
@@ -83,6 +83,12 @@ int xe_huc_auth(struct xe_huc *huc)
xe_assert(xe, !xe_uc_fw_is_running(&huc->fw));
+ /* On newer platforms the HuC survives reset, so no need to re-auth */
+ if (xe_mmio_read32(gt, HUC_KERNEL_LOAD_INFO) & HUC_LOAD_SUCCESSFUL) {
+ xe_uc_fw_change_status(&huc->fw, XE_UC_FIRMWARE_RUNNING);
+ return 0;
+ }
+
if (!xe_uc_fw_is_loaded(&huc->fw))
return -ENOEXEC;