10 #include <linux/devfreq.h>
26 	 * If the GPU is idle, devfreq is not aware, so just ignore  in msm_devfreq_target()
29 	if (gpu->devfreq.idle_freq) {  in msm_devfreq_target()
30 		gpu->devfreq.idle_freq = *freq;  in msm_devfreq_target()
51 	if (gpu->devfreq.idle_freq)  in get_freq()
52 		return gpu->devfreq.idle_freq;  in get_freq()
70 	status->total_time = ktime_us_delta(time, gpu->devfreq.time);  in msm_devfreq_get_dev_status()
71 	gpu->devfreq.time = time;  in msm_devfreq_get_dev_status()
93 	/* We need target support to do devfreq */  in msm_devfreq_init()
100 	 * Don't set the freq_table or max_state and let devfreq build the table  in msm_devfreq_init()
103 	 * so set them back to zero before creating the devfreq device  in msm_devfreq_init()
108 	gpu->devfreq.devfreq = devm_devfreq_add_device(&gpu->pdev->dev,  in msm_devfreq_init()
112 	if (IS_ERR(gpu->devfreq.devfreq)) {  in msm_devfreq_init()
113 		DRM_DEV_ERROR(&gpu->pdev->dev, "Couldn't initialize GPU devfreq\n");  in msm_devfreq_init()
114 		gpu->devfreq.devfreq = NULL;  in msm_devfreq_init()
118 	devfreq_suspend_device(gpu->devfreq.devfreq);  in msm_devfreq_init()
121 			gpu->devfreq.devfreq);  in msm_devfreq_init()
136 	gpu->devfreq.busy_cycles = 0;  in msm_devfreq_resume()
137 	gpu->devfreq.time = ktime_get();  in msm_devfreq_resume()
139 	devfreq_resume_device(gpu->devfreq.devfreq);  in msm_devfreq_resume()
144 	devfreq_suspend_device(gpu->devfreq.devfreq);  in msm_devfreq_suspend()
149 	struct msm_gpu_devfreq *df = &gpu->devfreq;  in msm_devfreq_active()
154 	if (!df->devfreq)  in msm_devfreq_active()
158 	 * Hold devfreq lock to synchronize with get_dev_status()/  in msm_devfreq_active()
161 	mutex_lock(&df->devfreq->lock);  in msm_devfreq_active()
184 	mutex_unlock(&df->devfreq->lock);  in msm_devfreq_active()
189 	struct msm_gpu_devfreq *df = &gpu->devfreq;  in msm_devfreq_idle()
192 	if (!df->devfreq)  in msm_devfreq_idle()
196 	 * Hold devfreq lock to synchronize with get_dev_status()/  in msm_devfreq_idle()
199 	mutex_lock(&df->devfreq->lock);  in msm_devfreq_idle()
209 	mutex_unlock(&df->devfreq->lock);  in msm_devfreq_idle()