drm/xe: Restore GT freq on GSC load error

As part of a Wa_22019338487, ensure that GT freq is restored
even when GSC reload is not successful.

Fixes: 3b1592f ("drm/xe/lnl: Apply Wa_22019338487")

Signed-off-by: Vinay Belgaumkar <[email protected]>
Reviewed-by: Rodrigo Vivi <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Rodrigo Vivi <[email protected]>
(cherry picked from commit 491418a)
Signed-off-by: Lucas De Marchi <[email protected]>

Author: vsbelgaum

drivers/gpu/drm/xe/xe_gt.c

@@ -874,7 +874,9 @@ int xe_gt_sanitize_freq(struct xe_gt *gt)
 	int ret = 0;
 
 	if ((!xe_uc_fw_is_available(&gt->uc.gsc.fw) ||
-	     xe_uc_fw_is_loaded(&gt->uc.gsc.fw)) && XE_WA(gt, 22019338487))
+	     xe_uc_fw_is_loaded(&gt->uc.gsc.fw) ||
+	     xe_uc_fw_is_in_error_state(&gt->uc.gsc.fw)) &&
+	    XE_WA(gt, 22019338487))
 		ret = xe_guc_pc_restore_stashed_freq(&gt->uc.guc.pc);
 
 	return ret;