diff options
Diffstat (limited to 'drivers/gpu/drm/lima/lima_drv.c')
-rw-r--r-- | drivers/gpu/drm/lima/lima_drv.c | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c index bbbdc8455e2f..a831565af813 100644 --- a/drivers/gpu/drm/lima/lima_drv.c +++ b/drivers/gpu/drm/lima/lima_drv.c @@ -5,6 +5,7 @@ #include <linux/of_platform.h> #include <linux/uaccess.h> #include <linux/slab.h> +#include <linux/pm_runtime.h> #include <drm/drm_ioctl.h> #include <drm/drm_drv.h> #include <drm/drm_prime.h> @@ -380,7 +381,6 @@ static int lima_pdev_probe(struct platform_device *pdev) goto err_out0; } - ldev->pdev = pdev; ldev->dev = &pdev->dev; ldev->id = (enum lima_gpu_id)of_device_get_match_data(&pdev->dev); @@ -404,6 +404,12 @@ static int lima_pdev_probe(struct platform_device *pdev) goto err_out2; } + pm_runtime_set_active(ldev->dev); + pm_runtime_mark_last_busy(ldev->dev); + pm_runtime_set_autosuspend_delay(ldev->dev, 200); + pm_runtime_use_autosuspend(ldev->dev); + pm_runtime_enable(ldev->dev); + /* * Register the DRM device with the core and the connectors with * sysfs. @@ -412,17 +418,16 @@ static int lima_pdev_probe(struct platform_device *pdev) if (err < 0) goto err_out3; - platform_set_drvdata(pdev, ldev); - if (sysfs_create_bin_file(&ldev->dev->kobj, &lima_error_state_attr)) dev_warn(ldev->dev, "fail to create error state sysfs\n"); return 0; err_out3: - lima_device_fini(ldev); -err_out2: + pm_runtime_disable(ldev->dev); lima_devfreq_fini(ldev); +err_out2: + lima_device_fini(ldev); err_out1: drm_dev_put(ddev); err_out0: @@ -436,10 +441,16 @@ static int lima_pdev_remove(struct platform_device *pdev) struct drm_device *ddev = ldev->ddev; sysfs_remove_bin_file(&ldev->dev->kobj, &lima_error_state_attr); - platform_set_drvdata(pdev, NULL); + drm_dev_unregister(ddev); + + /* stop autosuspend to make sure device is in active state */ + pm_runtime_set_autosuspend_delay(ldev->dev, -1); + pm_runtime_disable(ldev->dev); + lima_devfreq_fini(ldev); lima_device_fini(ldev); + drm_dev_put(ddev); lima_sched_slab_fini(); return 0; @@ -452,26 +463,22 @@ static const struct of_device_id dt_match[] = { }; MODULE_DEVICE_TABLE(of, dt_match); +static const struct dev_pm_ops lima_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) + SET_RUNTIME_PM_OPS(lima_device_suspend, lima_device_resume, NULL) +}; + static struct platform_driver lima_platform_driver = { .probe = lima_pdev_probe, .remove = lima_pdev_remove, .driver = { .name = "lima", + .pm = &lima_pm_ops, .of_match_table = dt_match, }, }; -static int __init lima_init(void) -{ - return platform_driver_register(&lima_platform_driver); -} -module_init(lima_init); - -static void __exit lima_exit(void) -{ - platform_driver_unregister(&lima_platform_driver); -} -module_exit(lima_exit); +module_platform_driver(lima_platform_driver); MODULE_AUTHOR("Lima Project Developers"); MODULE_DESCRIPTION("Lima DRM Driver"); |