linux-kernel - [PATCH AUTOSEL 6.14 442/642] drm/xe/debugfs: Add missing xe_pm_runtime_put in wedge_mode

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Message-Id: <20250505221419.2672473-442-sashal@kernel.org>
Date: Mon,  5 May 2025 18:10:58 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Shuicheng Lin <shuicheng.lin@...el.com>,
	Rodrigo Vivi <rodrigo.vivi@...el.com>,
	Sasha Levin <sashal@...nel.org>,
	lucas.demarchi@...el.com,
	thomas.hellstrom@...ux.intel.com,
	airlied@...il.com,
	simona@...ll.ch,
	intel-xe@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 6.14 442/642] drm/xe/debugfs: Add missing xe_pm_runtime_put in wedge_mode_set

From: Shuicheng Lin <shuicheng.lin@...el.com>

[ Upstream commit b31e668d3111b100d16fd7db8db335328ce8c6d5 ]

xe_pm_runtime_put is missed in the failure path.

Cc: Rodrigo Vivi <rodrigo.vivi@...el.com>
Signed-off-by: Shuicheng Lin <shuicheng.lin@...el.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@...el.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213230322.1180621-1-shuicheng.lin@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/xe/xe_debugfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/xe/xe_debugfs.c b/drivers/gpu/drm/xe/xe_debugfs.c
index 6bfdd3a9913fd..92e6fa8fe3a17 100644
--- a/drivers/gpu/drm/xe/xe_debugfs.c
+++ b/drivers/gpu/drm/xe/xe_debugfs.c
@@ -175,6 +175,7 @@ static ssize_t wedged_mode_set(struct file *f, const char __user *ubuf,
 		ret = xe_guc_ads_scheduler_policy_toggle_reset(&gt->uc.guc.ads);
 		if (ret) {
 			xe_gt_err(gt, "Failed to update GuC ADS scheduler policy. GuC may still cause engine reset even with wedged_mode=2\n");
+			xe_pm_runtime_put(xe);
 			return -EIO;
 		}
 	}
-- 
2.39.5