drm/msm/dpu: fix safe status debugfs file

stable inclusion
from stable-v5.10.94
commit db97fc2c4425969d48abc0865564af587fd92c9f
bugzilla: https://gitee.com/openeuler/kernel/issues/I531X9

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=db97fc2c4425969d48abc0865564af587fd92c9f

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

[ Upstream commit f31b0e24 ]

Make safe_status debugfs fs file actually return safe status rather than
danger status data.

Fixes: 25fdd593 ("drm/msm: Add SDM845 DPU support")
Signed-off-by: NDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: NAbhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20211201222633.2476780-3-dmitry.baryshkov@linaro.orgSigned-off-by: NDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: NRob Clark <robdclark@chromium.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>

drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c

@@ -71,8 +71,8 @@ static int _dpu_danger_signal_status(struct seq_file *s,
 					&status);
 	} else {
 		seq_puts(s, "\nSafe signal status:\n");
-		if (kms->hw_mdp->ops.get_danger_status)
-			kms->hw_mdp->ops.get_danger_status(kms->hw_mdp,
+		if (kms->hw_mdp->ops.get_safe_status)
+			kms->hw_mdp->ops.get_safe_status(kms->hw_mdp,
 					&status);
 	}
 	pm_runtime_put_sync(&kms->pdev->dev);