linux-kernel - [PATCH 05/26] drm: tegra: Use the dev_pm

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Date:   Mon,  7 Nov 2022 17:50:45 +0000
From:   Paul Cercueil <paul@...pouillou.net>
To:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Paul Cercueil <paul@...pouillou.net>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-tegra@...r.kernel.org
Subject: [PATCH 05/26] drm: tegra: Use the dev_pm_ops provided by modeset helper

Use the drm_mode_config_pm_ops structure exported by
drm_modeset_helper.c, which provides the exact same PM callbacks.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---
Cc: Thierry Reding <thierry.reding@...il.com>
Cc: Jonathan Hunter <jonathanh@...dia.com>
Cc: linux-tegra@...r.kernel.org
---
 drivers/gpu/drm/tegra/drm.c | 21 +--------------------
 1 file changed, 1 insertion(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 6748ec1e0005..c9b6b3acb8c7 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -1325,25 +1325,6 @@ static int host1x_drm_remove(struct host1x_device *dev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int host1x_drm_suspend(struct device *dev)
-{
-	struct drm_device *drm = dev_get_drvdata(dev);
-
-	return drm_mode_config_helper_suspend(drm);
-}
-
-static int host1x_drm_resume(struct device *dev)
-{
-	struct drm_device *drm = dev_get_drvdata(dev);
-
-	return drm_mode_config_helper_resume(drm);
-}
-#endif
-
-static SIMPLE_DEV_PM_OPS(host1x_drm_pm_ops, host1x_drm_suspend,
-			 host1x_drm_resume);
-
 static const struct of_device_id host1x_drm_subdevs[] = {
 	{ .compatible = "nvidia,tegra20-dc", },
 	{ .compatible = "nvidia,tegra20-hdmi", },
@@ -1388,7 +1369,7 @@ static const struct of_device_id host1x_drm_subdevs[] = {
 static struct host1x_driver host1x_drm_driver = {
 	.driver = {
 		.name = "drm",
-		.pm = &host1x_drm_pm_ops,
+		.pm = pm_sleep_ptr(&drm_mode_config_pm_ops),
 	},
 	.probe = host1x_drm_probe,
 	.remove = host1x_drm_remove,
-- 
2.35.1