linux-kernel - [PATCH 5.16 0859/1039] drm/tegra: submit: Add missing pm_runtime_mark_last

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Message-Id: <20220124184154.165277301@linuxfoundation.org>
Date:   Mon, 24 Jan 2022 19:44:08 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Ulf Hansson <ulf.hansson@...aro.org>,
        Dmitry Osipenko <digetx@...il.com>,
        Thierry Reding <treding@...dia.com>
Subject: [PATCH 5.16 0859/1039] drm/tegra: submit: Add missing pm_runtime_mark_last_busy()

From: Dmitry Osipenko <digetx@...il.com>

commit a21115dd38c6cf396ba39aefd561e7903ca6149d upstream.

Runtime PM auto-suspension doesn't work without pm_runtime_mark_last_busy(),
add it.

Cc: <stable@...r.kernel.org>
Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Dmitry Osipenko <digetx@...il.com>
Signed-off-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/tegra/submit.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/tegra/submit.c
+++ b/drivers/gpu/drm/tegra/submit.c
@@ -475,8 +475,10 @@ static void release_job(struct host1x_jo
 	kfree(job_data->used_mappings);
 	kfree(job_data);
 
-	if (pm_runtime_enabled(client->base.dev))
+	if (pm_runtime_enabled(client->base.dev)) {
+		pm_runtime_mark_last_busy(client->base.dev);
 		pm_runtime_put_autosuspend(client->base.dev);
+	}
 }
 
 int tegra_drm_ioctl_channel_submit(struct drm_device *drm, void *data,