drm/lima/lima_device.c

242 static void lima_fini_ip(struct lima_device *ldev, int index)
245 	struct lima_ip *ip = ldev->ip + index;
251 static int lima_resume_ip(struct lima_device *ldev, int index)
254 	struct lima_ip *ip = ldev->ip + index;
263 static void lima_suspend_ip(struct lima_device *ldev, int index)
266 	struct lima_ip *ip = ldev->ip + index;
277 	pipe->ldev = dev;
309 	pipe->ldev = dev;
355 int lima_device_init(struct lima_device *ldev)
357 	struct platform_device *pdev = to_platform_device(ldev->dev);
360 	dma_set_coherent_mask(ldev->dev, DMA_BIT_MASK(32));
361 	dma_set_max_seg_size(ldev->dev, UINT_MAX);
363 	err = lima_clk_init(ldev);
367 	err = lima_regulator_init(ldev);
371 	ldev->empty_vm = lima_vm_create(ldev);
372 	if (!ldev->empty_vm) {
377 	ldev->va_start = 0;
378 	if (ldev->id == lima_gpu_mali450) {
379 		ldev->va_end = LIMA_VA_RESERVE_START;
380 		ldev->dlbu_cpu = dma_alloc_wc(
381 			ldev->dev, LIMA_PAGE_SIZE,
382 			&ldev->dlbu_dma, GFP_KERNEL | __GFP_NOWARN);
383 		if (!ldev->dlbu_cpu) {
388 		ldev->va_end = LIMA_VA_RESERVE_END;
390 	ldev->iomem = devm_platform_ioremap_resource(pdev, 0);
391 	if (IS_ERR(ldev->iomem)) {
392 		dev_err(ldev->dev, "fail to ioremap iomem\n");
393 		err = PTR_ERR(ldev->iomem);
398 		err = lima_init_ip(ldev, i);
403 	err = lima_init_gp_pipe(ldev);
407 	err = lima_init_pp_pipe(ldev);
411 	ldev->dump.magic = LIMA_DUMP_MAGIC;
412 	ldev->dump.version_major = LIMA_DUMP_MAJOR;
413 	ldev->dump.version_minor = LIMA_DUMP_MINOR;
414 	INIT_LIST_HEAD(&ldev->error_task_list);
415 	mutex_init(&ldev->error_task_list_lock);
417 	dev_info(ldev->dev, "bus rate = %lu\n", clk_get_rate(ldev->clk_bus));
418 	dev_info(ldev->dev, "mod rate = %lu", clk_get_rate(ldev->clk_gpu));
423 	lima_fini_gp_pipe(ldev);
426 		lima_fini_ip(ldev, i);
428 	if (ldev->dlbu_cpu)
429 		dma_free_wc(ldev->dev, LIMA_PAGE_SIZE,
430 			    ldev->dlbu_cpu, ldev->dlbu_dma);
432 	lima_vm_put(ldev->empty_vm);
434 	lima_regulator_fini(ldev);
436 	lima_clk_fini(ldev);
440 void lima_device_fini(struct lima_device *ldev)
445 	list_for_each_entry_safe(et, tmp, &ldev->error_task_list, list) {
449 	mutex_destroy(&ldev->error_task_list_lock);
451 	lima_fini_pp_pipe(ldev);
452 	lima_fini_gp_pipe(ldev);
455 		lima_fini_ip(ldev, i);
457 	if (ldev->dlbu_cpu)
458 		dma_free_wc(ldev->dev, LIMA_PAGE_SIZE,
459 			    ldev->dlbu_cpu, ldev->dlbu_dma);
461 	lima_vm_put(ldev->empty_vm);
463 	lima_regulator_fini(ldev);
465 	lima_clk_fini(ldev);
470 	struct lima_device *ldev = dev_get_drvdata(dev);
473 	err = lima_clk_enable(ldev);
479 	err = lima_regulator_enable(ldev);
486 		err = lima_resume_ip(ldev, i);
493 	err = lima_devfreq_resume(&ldev->devfreq);
503 		lima_suspend_ip(ldev, i);
504 	lima_regulator_disable(ldev);
506 	lima_clk_disable(ldev);
512 	struct lima_device *ldev = dev_get_drvdata(dev);
517 		if (atomic_read(&ldev->pipe[i].base.credit_count))
521 	err = lima_devfreq_suspend(&ldev->devfreq);
528 		lima_suspend_ip(ldev, i);
530 	lima_regulator_disable(ldev);
532 	lima_clk_disable(ldev);