[PATCH 6.11 128/214] drm/xe: Restore GT freq on GSC load error

[Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>]

6.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vinay Belgaumkar <vinay.belgaumkar@xxxxxxxxx>

[ Upstream commit 3fd76be868ae5c7e9f905f3bcc2ce0e3d8f5aa08 ]

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

Fixes: 3b1592fb7835 ("drm/xe/lnl: Apply Wa_22019338487")

Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@xxxxxxxxx>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240925204918.1989574-1-vinay.belgaumkar@xxxxxxxxx
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
(cherry picked from commit 491418a258322bbd7f045e36884d2849b673f23d)
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/gpu/drm/xe/xe_gt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c
index cb9df15e71376..0062a5e4d5fac 100644
--- a/drivers/gpu/drm/xe/xe_gt.c
+++ b/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;
-- 
2.43.0