diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_platform.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_platform.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c index 23cd43a7fd19..9fd351273236 100644 --- a/drivers/gpu/drm/nouveau/nouveau_platform.c +++ b/drivers/gpu/drm/nouveau/nouveau_platform.c @@ -21,35 +21,42 @@ */ #include "nouveau_platform.h" +#include <nvkm/subdev/clk/gk20a_devfreq.h> + static int nouveau_platform_probe(struct platform_device *pdev) { const struct nvkm_device_tegra_func *func; struct nvkm_device *device = NULL; struct drm_device *drm; - int ret; func = of_device_get_match_data(&pdev->dev); drm = nouveau_platform_device_create(func, pdev, &device); - if (IS_ERR(drm)) - return PTR_ERR(drm); + return PTR_ERR_OR_ZERO(drm); +} - ret = drm_dev_register(drm, 0); - if (ret < 0) { - drm_dev_put(drm); - return ret; - } +static void nouveau_platform_remove(struct platform_device *pdev) +{ + struct nouveau_drm *drm = platform_get_drvdata(pdev); - return 0; + nouveau_drm_device_remove(drm); } -static int nouveau_platform_remove(struct platform_device *pdev) +#ifdef CONFIG_PM_SLEEP +static int nouveau_platform_suspend(struct device *dev) { - struct drm_device *dev = platform_get_drvdata(pdev); - nouveau_drm_device_remove(dev); - return 0; + return gk20a_devfreq_suspend(dev); } +static int nouveau_platform_resume(struct device *dev) +{ + return gk20a_devfreq_resume(dev); +} + +static SIMPLE_DEV_PM_OPS(nouveau_pm_ops, nouveau_platform_suspend, + nouveau_platform_resume); +#endif + #if IS_ENABLED(CONFIG_OF) static const struct nvkm_device_tegra_func gk20a_platform_data = { .iommu_bit = 34, @@ -91,6 +98,9 @@ struct platform_driver nouveau_platform_driver = { .driver = { .name = "nouveau", .of_match_table = of_match_ptr(nouveau_platform_match), +#ifdef CONFIG_PM_SLEEP + .pm = &nouveau_pm_ops, +#endif }, .probe = nouveau_platform_probe, .remove = nouveau_platform_remove, |