drm/xe/huc: Use GT oriented error messages in xe_huc.c

If applicable, we prefer GT oriented dmesg messages. Update all
HuC related messages and use more user friendly error codes.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240621172522.1037-1-michal.wajdeczko@intel.comSigned-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_huc.c

@@ -18,6 +18,7 @@
 #include "xe_force_wake.h"
 #include "xe_gsc_submit.h"
 #include "xe_gt.h"
+#include "xe_gt_printk.h"
 #include "xe_guc.h"
 #include "xe_map.h"
 #include "xe_mmio.h"
@@ -107,7 +108,7 @@ int xe_huc_init(struct xe_huc *huc)
 	return 0;
 
 out:
-	drm_err(&xe->drm, "HuC init failed with %d", ret);
+	xe_gt_err(gt, "HuC: initialization failed: %pe\n", ERR_PTR(ret));
 	return ret;
 }
 
@@ -195,14 +196,14 @@ static int huc_auth_via_gsccs(struct xe_huc *huc)
 	} while (--retry && err == -EBUSY);
 
 	if (err) {
-		drm_err(&xe->drm, "failed to submit GSC request to auth: %d\n", err);
+		xe_gt_err(gt, "HuC: failed to submit GSC request to auth: %pe\n", ERR_PTR(err));
 		return err;
 	}
 
 	err = xe_gsc_read_out_header(xe, &pkt->vmap, PXP43_HUC_AUTH_INOUT_SIZE,
 				     sizeof(struct pxp43_huc_auth_out), &rd_offset);
 	if (err) {
-		drm_err(&xe->drm, "HuC: invalid GSC reply for auth (err=%d)\n", err);
+		xe_gt_err(gt, "HuC: invalid GSC reply for auth: %pe\n", ERR_PTR(err));
 		return err;
 	}
 
@@ -213,7 +214,7 @@ static int huc_auth_via_gsccs(struct xe_huc *huc)
 	 */
 	out_status = huc_auth_msg_rd(xe, &pkt->vmap, rd_offset, header.status);
 	if (out_status != PXP_STATUS_SUCCESS && out_status != PXP_STATUS_OP_NOT_PERMITTED) {
-		drm_err(&xe->drm, "auth failed with GSC error = 0x%x\n", out_status);
+		xe_gt_err(gt, "HuC: authentication failed with GSC error = %#x\n", out_status);
 		return -EIO;
 	}
 
@@ -242,7 +243,6 @@ bool xe_huc_is_authenticated(struct xe_huc *huc, enum xe_huc_auth_types type)
 
 int xe_huc_auth(struct xe_huc *huc, enum xe_huc_auth_types type)
 {
-	struct xe_device *xe = huc_to_xe(huc);
 	struct xe_gt *gt = huc_to_gt(huc);
 	struct xe_guc *guc = huc_to_guc(huc);
 	int ret;
@@ -272,26 +272,26 @@ int xe_huc_auth(struct xe_huc *huc, enum xe_huc_auth_types type)
 		return -EINVAL;
 	}
 	if (ret) {
-		drm_err(&xe->drm, "Failed to trigger HuC auth via %s: %d\n",
-			huc_auth_modes[type].name, ret);
+		xe_gt_err(gt, "HuC: failed to trigger auth via %s: %pe\n",
+			  huc_auth_modes[type].name, ERR_PTR(ret));
 		goto fail;
 	}
 
 	ret = xe_mmio_wait32(gt, huc_auth_modes[type].reg, huc_auth_modes[type].val,
 			     huc_auth_modes[type].val, 100000, NULL, false);
 	if (ret) {
-		drm_err(&xe->drm, "HuC: Firmware not verified %d\n", ret);
+		xe_gt_err(gt, "HuC: firmware not verified: %pe\n", ERR_PTR(ret));
 		goto fail;
 	}
 
 	xe_uc_fw_change_status(&huc->fw, XE_UC_FIRMWARE_RUNNING);
-	drm_dbg(&xe->drm, "HuC authenticated via %s\n", huc_auth_modes[type].name);
+	xe_gt_dbg(gt, "HuC: authenticated via %s\n", huc_auth_modes[type].name);
 
 	return 0;
 
 fail:
-	drm_err(&xe->drm, "HuC: Auth via %s failed: %d\n",
-		huc_auth_modes[type].name, ret);
+	xe_gt_err(gt, "HuC: authentication via %s failed: %pe\n",
+		  huc_auth_modes[type].name, ERR_PTR(ret));
 	xe_uc_fw_change_status(&huc->fw, XE_UC_FIRMWARE_LOAD_FAIL);
 
 	return ret;