]> git.openfabrics.org - ~shefty/rdma-dev.git/blobdiff - drivers/video/via/viafbdev.c
viafb: General power management infrastructure
[~shefty/rdma-dev.git] / drivers / video / via / viafbdev.c
index d298cfccd6fc24bb842f69a9c8cf9945bdc8c8ae..289edd519527ff948570261db01747be8c26e20f 100644 (file)
@@ -1672,31 +1672,19 @@ static int parse_mode(const char *str, u32 *xres, u32 *yres)
 
 
 #ifdef CONFIG_PM
-int viafb_suspend(struct pci_dev *pdev, pm_message_t state)
+static int viafb_suspend(void *unused)
 {
-       if (state.event == PM_EVENT_SUSPEND) {
-               acquire_console_sem();
-               fb_set_suspend(viafbinfo, 1);
-
-               viafb_sync(viafbinfo);
-
-               pci_save_state(pdev);
-               pci_disable_device(pdev);
-               pci_set_power_state(pdev, pci_choose_state(pdev, state));
-               release_console_sem();
-       }
+       acquire_console_sem();
+       fb_set_suspend(viafbinfo, 1);
+       viafb_sync(viafbinfo);
+       release_console_sem();
 
        return 0;
 }
 
-int viafb_resume(struct pci_dev *pdev)
+static int viafb_resume(void *unused)
 {
        acquire_console_sem();
-       pci_set_power_state(pdev, PCI_D0);
-       pci_restore_state(pdev);
-       if (pci_enable_device(pdev))
-               goto fail;
-       pci_set_master(pdev);
        if (viaparinfo->shared->vdev->engine_mmio)
                viafb_reset_engine(viaparinfo);
        viafb_set_par(viafbinfo);
@@ -1704,11 +1692,15 @@ int viafb_resume(struct pci_dev *pdev)
                viafb_set_par(viafbinfo1);
        fb_set_suspend(viafbinfo, 0);
 
-fail:
        release_console_sem();
        return 0;
 }
 
+static struct viafb_pm_hooks viafb_fb_pm_hooks = {
+       .suspend = viafb_suspend,
+       .resume = viafb_resume
+};
+
 #endif
 
 
@@ -1899,6 +1891,10 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
 
        viafb_init_proc(viaparinfo->shared);
        viafb_init_dac(IGA2);
+
+#ifdef CONFIG_PM
+       viafb_pm_register(&viafb_fb_pm_hooks);
+#endif
        return 0;
 
 out_fb_unreg: