drm: move drm vblank initialization/cleanup to driver load/unload

drm vblank initialization keeps track of the changes in driver-supplied
frame counts across vt switch and mode setting, but only if you let it by
not tearing down the drm vblank structure.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

3 files changed, 8 insertions, 1 deletions

diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c
index 3265d53ba91f..601f4c0e5da5 100644
--- a/drivers/gpu/drm/r128/r128_drv.c
+++ b/drivers/gpu/drm/r128/r128_drv.c
@@ -45,6 +45,7 @@ static struct drm_driver driver = {
             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
             DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
         .dev_priv_size = sizeof(drm_r128_buf_priv_t),
+        .load = r128_driver_load,
         .preclose = r128_driver_preclose,
         .lastclose = r128_driver_lastclose,
         .get_vblank_counter = r128_get_vblank_counter,
@@ -84,6 +85,11 @@ static struct drm_driver driver = {
         .patchlevel = DRIVER_PATCHLEVEL,
 };
 
+int r128_driver_load(struct drm_device * dev, unsigned long flags)
+{
+        return drm_vblank_init(dev, 1);
+}
+
 static int __init r128_init(void)
 {
         driver.num_ioctls = r128_max_ioctl;
diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h
index 5898b274279d..797a26c42dab 100644
--- a/drivers/gpu/drm/r128/r128_drv.h
+++ b/drivers/gpu/drm/r128/r128_drv.h
@@ -159,6 +159,7 @@ extern void r128_driver_irq_preinstall(struct drm_device * dev);
 extern int r128_driver_irq_postinstall(struct drm_device *dev);
 extern void r128_driver_irq_uninstall(struct drm_device * dev);
 extern void r128_driver_lastclose(struct drm_device * dev);
+extern int r128_driver_load(struct drm_device * dev, unsigned long flags);
 extern void r128_driver_preclose(struct drm_device * dev,
                                  struct drm_file *file_priv);
 
diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c
index d7349012a680..69810fb8ac49 100644
--- a/drivers/gpu/drm/r128/r128_irq.c
+++ b/drivers/gpu/drm/r128/r128_irq.c
@@ -102,7 +102,7 @@ void r128_driver_irq_preinstall(struct drm_device * dev)
 
 int r128_driver_irq_postinstall(struct drm_device *dev)
 {
-        return drm_vblank_init(dev, 1);
+        return 0;
 }
 
 void r128_driver_irq_uninstall(struct drm_device * dev)