20 	struct msm_gpu *gpu = dev_to_gpu(dev);  in msm_devfreq_target()  local
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()
39 	if (gpu->funcs->gpu_set_freq)  in msm_devfreq_target()
40 		gpu->funcs->gpu_set_freq(gpu, opp);  in msm_devfreq_target()
42 		clk_set_rate(gpu->core_clk, *freq);  in msm_devfreq_target()
49 static unsigned long get_freq(struct msm_gpu *gpu)  in get_freq()  argument
51 	if (gpu->devfreq.idle_freq)  in get_freq()
52 		return gpu->devfreq.idle_freq;  in get_freq()
54 	if (gpu->funcs->gpu_get_freq)  in get_freq()
55 		return gpu->funcs->gpu_get_freq(gpu);  in get_freq()
57 	return clk_get_rate(gpu->core_clk);  in get_freq()
63 	struct msm_gpu *gpu = dev_to_gpu(dev);  in msm_devfreq_get_dev_status()  local
66 	status->current_frequency = get_freq(gpu);  in msm_devfreq_get_dev_status()
67 	status->busy_time = gpu->funcs->gpu_busy(gpu);  in msm_devfreq_get_dev_status()
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()
91 void msm_devfreq_init(struct msm_gpu *gpu)  in msm_devfreq_init()  argument
94 	if (!gpu->funcs->gpu_busy)  in msm_devfreq_init()
97 	msm_devfreq_profile.initial_freq = gpu->fast_rate;  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()
120 	gpu->cooling = of_devfreq_cooling_register(gpu->pdev->dev.of_node,  in msm_devfreq_init()
121 			gpu->devfreq.devfreq);  in msm_devfreq_init()
122 	if (IS_ERR(gpu->cooling)) {  in msm_devfreq_init()
123 		DRM_DEV_ERROR(&gpu->pdev->dev,  in msm_devfreq_init()
124 				"Couldn't register GPU cooling device\n");  in msm_devfreq_init()
125 		gpu->cooling = NULL;  in msm_devfreq_init()
129 void msm_devfreq_cleanup(struct msm_gpu *gpu)  in msm_devfreq_cleanup()  argument
131 	devfreq_cooling_unregister(gpu->cooling);  in msm_devfreq_cleanup()
134 void msm_devfreq_resume(struct msm_gpu *gpu)  in msm_devfreq_resume()  argument
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()
142 void msm_devfreq_suspend(struct msm_gpu *gpu)  in msm_devfreq_suspend()  argument
144 	devfreq_suspend_device(gpu->devfreq.devfreq);  in msm_devfreq_suspend()
147 void msm_devfreq_active(struct msm_gpu *gpu)  in msm_devfreq_active()  argument
149 	struct msm_gpu_devfreq *df = &gpu->devfreq;  in msm_devfreq_active()
176 	msm_devfreq_target(&gpu->pdev->dev, &target_freq, 0);  in msm_devfreq_active()
182 	msm_devfreq_get_dev_status(&gpu->pdev->dev, &status);  in msm_devfreq_active()
187 void msm_devfreq_idle(struct msm_gpu *gpu)  in msm_devfreq_idle()  argument
189 	struct msm_gpu_devfreq *df = &gpu->devfreq;  in msm_devfreq_idle()
201 	idle_freq = get_freq(gpu);  in msm_devfreq_idle()
203 	if (gpu->clamp_to_idle)  in msm_devfreq_idle()
204 		msm_devfreq_target(&gpu->pdev->dev, &target_freq, 0);  in msm_devfreq_idle()