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Date:   Thu, 10 Dec 2020 14:30:14 +0000
From:   Lukasz Luba <lukasz.luba@....com>
To:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Cc:     rui.zhang@...el.com, amit.kucheria@...durent.com,
        daniel.lezcano@...aro.org, lukasz.luba@....com, orjan.eide@....com,
        robh@...nel.org, alyssa.rosenzweig@...labora.com,
        steven.price@....com, airlied@...ux.ie, daniel@...ll.ch,
        ionela.voinescu@....com
Subject: [PATCH v4 5/5] drm/panfrost: Register devfreq cooling and attempt to add Energy Model

Register devfreq cooling device and attempt to register Energy Model. This
will add the devfreq device to the Energy Model framework. It will create
a dedicated and unified data structures used i.e. in thermal framework.
It uses simplified Energy Model, created based on voltage, frequency
and DT 'dynamic-power-coefficient'.

Reviewed-by: Steven Price <steven.price@....com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@...labora.com>
Signed-off-by: Lukasz Luba <lukasz.luba@....com>
---
 drivers/gpu/drm/panfrost/panfrost_devfreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
index 78e9d82f7318..f44d28fad085 100644
--- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
@@ -138,7 +138,7 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)
 	}
 	pfdevfreq->devfreq = devfreq;
 
-	cooling = of_devfreq_cooling_register(dev->of_node, devfreq);
+	cooling = devfreq_cooling_em_register(devfreq, NULL);
 	if (IS_ERR(cooling))
 		DRM_DEV_INFO(dev, "Failed to register cooling device\n");
 	else
-- 
2.17.1

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