drm/xe/uc: Fix and start using xe_uc_fw_sanitize()

Helper xe_uc_fw_sanitize() was defined but never used. First fix
it by properly exiting also from the LOAD_FAIL state, then use it
in GuC and HuC sanitize code.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240613153424.2120-1-michal.wajdeczko@intel.com

drivers/gpu/drm/xe/xe_guc.c

@@ -1094,7 +1094,7 @@ void xe_guc_irq_handler(struct xe_guc *guc, const u16 iir)
 
 void xe_guc_sanitize(struct xe_guc *guc)
 {
-	xe_uc_fw_change_status(&guc->fw, XE_UC_FIRMWARE_LOADABLE);
+	xe_uc_fw_sanitize(&guc->fw);
 	xe_guc_ct_disable(&guc->ct);
 	guc->submission_state.enabled = false;
 }

drivers/gpu/drm/xe/xe_huc.c

@@ -295,9 +295,7 @@ int xe_huc_auth(struct xe_huc *huc, enum xe_huc_auth_types type)
 
 void xe_huc_sanitize(struct xe_huc *huc)
 {
-	if (!xe_uc_fw_is_loadable(&huc->fw))
-		return;
-	xe_uc_fw_change_status(&huc->fw, XE_UC_FIRMWARE_LOADABLE);
+	xe_uc_fw_sanitize(&huc->fw);
 }
 
 void xe_huc_print_info(struct xe_huc *huc, struct drm_printer *p)

drivers/gpu/drm/xe/xe_uc_fw.h

@@ -158,7 +158,7 @@ static inline bool xe_uc_fw_is_overridden(const struct xe_uc_fw *uc_fw)
 
 static inline void xe_uc_fw_sanitize(struct xe_uc_fw *uc_fw)
 {
-	if (xe_uc_fw_is_loaded(uc_fw))
+	if (xe_uc_fw_is_loadable(uc_fw))
 		xe_uc_fw_change_status(uc_fw, XE_UC_FIRMWARE_LOADABLE);
 }