static int fsl_dcu_drm_pm_suspend(struct device *dev)
{
struct fsl_dcu_drm_device *fsl_dev = dev_get_drvdata(dev);
if (!fsl_dev)
return 0;
disable_irq(fsl_dev->irq);
drm_kms_helper_poll_disable(fsl_dev->drm);
console_lock();
drm_fbdev_cma_set_suspend(fsl_dev->fbdev, 1);
console_unlock();
fsl_dev->state = drm_atomic_helper_suspend(fsl_dev->drm);
if (IS_ERR(fsl_dev->state)) {
console_lock();
drm_fbdev_cma_set_suspend(fsl_dev->fbdev, 0);
console_unlock();
drm_kms_helper_poll_enable(fsl_dev->drm);
enable_irq(fsl_dev->irq);
return PTR_ERR(fsl_dev->state);
}
clk_disable_unprepare(fsl_dev->pix_clk);
clk_disable_unprepare(fsl_dev->clk);
return 0;
}
static __maybe_unused int drv_suspend(struct device *dev)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct ltdc_device *ldev = ddev->dev_private;
struct drm_atomic_state *state;
drm_kms_helper_poll_disable(ddev);
state = drm_atomic_helper_suspend(ddev);
if (IS_ERR(state)) {
drm_kms_helper_poll_enable(ddev);
return PTR_ERR(state);
}
ldev->suspend_state = state;
ltdc_suspend(ddev);
return 0;
}
static int __maybe_unused hdlcd_pm_suspend(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
struct hdlcd_drm_private *hdlcd = drm ? drm->dev_private : NULL;
if (!hdlcd)
return 0;
drm_kms_helper_poll_disable(drm);
hdlcd->state = drm_atomic_helper_suspend(drm);
if (IS_ERR(hdlcd->state)) {
drm_kms_helper_poll_enable(drm);
return PTR_ERR(hdlcd->state);
}
return 0;
}
static int rcar_du_pm_suspend(struct device *dev)
{
struct rcar_du_device *rcdu = dev_get_drvdata(dev);
struct drm_atomic_state *state;
drm_kms_helper_poll_disable(rcdu->ddev);
drm_fbdev_cma_set_suspend_unlocked(rcdu->fbdev, true);
state = drm_atomic_helper_suspend(rcdu->ddev);
if (IS_ERR(state)) {
drm_fbdev_cma_set_suspend_unlocked(rcdu->fbdev, false);
drm_kms_helper_poll_enable(rcdu->ddev);
return PTR_ERR(state);
}
rcdu->suspend_state = state;
return 0;
}
