From 957b10695b619d6ed2f1098b00502395d9a3c149 Mon Sep 17 00:00:00 2001
From: Robert Noland <rnoland@2hip.net>
Date: Wed, 25 Feb 2009 17:59:26 -0600
Subject: [PATCH] Move vblank_init to driver load time.

---
 bsd-core/drmP.h          |  1 +
 bsd-core/drm_drv.c       |  2 ++
 bsd-core/drm_irq.c       |  4 +---
 bsd-core/mach64_drv.c    |  7 +++++++
 bsd-core/r128_drv.c      |  6 ++++++
 linux-core/drm_drv.c     |  2 ++
 linux-core/drm_irq.c     |  4 +---
 shared-core/i915_dma.c   |  7 +++++++
 shared-core/i915_drv.h   |  2 ++
 shared-core/i915_irq.c   |  5 -----
 shared-core/mach64_drv.h |  1 +
 shared-core/mach64_irq.c |  2 +-
 shared-core/mga_dma.c    |  8 ++++++++
 shared-core/mga_irq.c    |  5 -----
 shared-core/r128_drv.h   |  1 +
 shared-core/r128_irq.c   |  2 +-
 shared-core/radeon_cp.c  |  6 ++++++
 shared-core/radeon_irq.c |  5 -----
 shared-core/via_irq.c    |  1 -
 shared-core/via_map.c    | 12 +++++++++++-
 20 files changed, 58 insertions(+), 25 deletions(-)

diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h
index 573c2b1..69147b3 100644
--- a/bsd-core/drmP.h
+++ b/bsd-core/drmP.h
@@ -797,6 +797,7 @@ void	drm_handle_vblank(struct drm_device *dev, int crtc);
 u32	drm_vblank_count(struct drm_device *dev, int crtc);
 int	drm_vblank_get(struct drm_device *dev, int crtc);
 void	drm_vblank_put(struct drm_device *dev, int crtc);
+void	drm_vblank_cleanup(struct drm_device *dev);
 int	drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
 int	drm_vblank_init(struct drm_device *dev, int num_crtcs);
 void	drm_vbl_send_signals(struct drm_device *dev, int crtc);
diff --git a/bsd-core/drm_drv.c b/bsd-core/drm_drv.c
index c45a442..794f32e 100644
--- a/bsd-core/drm_drv.c
+++ b/bsd-core/drm_drv.c
@@ -512,6 +512,8 @@ static void drm_unload(struct drm_device *dev)
 		DRM_DEBUG("mtrr_del = %d", retcode);
 	}
 
+	drm_vblank_cleanup(dev);
+
 	DRM_LOCK();
 	drm_lastclose(dev);
 	DRM_UNLOCK();
diff --git a/bsd-core/drm_irq.c b/bsd-core/drm_irq.c
index 8a9d344..2ca4275 100644
--- a/bsd-core/drm_irq.c
+++ b/bsd-core/drm_irq.c
@@ -93,7 +93,7 @@ static void vblank_disable_fn(void *arg)
 	}
 }
 
-static void drm_vblank_cleanup(struct drm_device *dev)
+void drm_vblank_cleanup(struct drm_device *dev)
 {
 	unsigned long irqflags;
 
@@ -210,8 +210,6 @@ int drm_irq_uninstall(struct drm_device *dev)
 	bus_teardown_intr(dev->device, dev->irqr, dev->irqh);
 	DRM_LOCK();
 
-	drm_vblank_cleanup(dev);
-
 	return 0;
 }
 
diff --git a/bsd-core/mach64_drv.c b/bsd-core/mach64_drv.c
index 1cbe5f3..f73e773 100644
--- a/bsd-core/mach64_drv.c
+++ b/bsd-core/mach64_drv.c
@@ -51,6 +51,7 @@ static void mach64_configure(struct drm_device *dev)
 	    DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
 
 	dev->driver->buf_priv_size	= 1; /* No dev_priv */
+	dev->driver->load		= mach64_driver_load;
 	dev->driver->lastclose		= mach64_driver_lastclose;
 	dev->driver->get_vblank_counter	= mach64_get_vblank_counter;
 	dev->driver->enable_vblank	= mach64_enable_vblank;
@@ -91,6 +92,12 @@ mach64_attach(device_t nbdev)
 	return drm_attach(nbdev, mach64_pciidlist);
 }
 
+int
+mach64_driver_load(struct drm_device * dev, unsigned long flags)
+{
+        return drm_vblank_init(dev, 1);
+}
+
 static int
 mach64_detach(device_t nbdev)
 {
diff --git a/bsd-core/r128_drv.c b/bsd-core/r128_drv.c
index 3dbf66e..f28bcf2 100644
--- a/bsd-core/r128_drv.c
+++ b/bsd-core/r128_drv.c
@@ -49,6 +49,7 @@ static void r128_configure(struct drm_device *dev)
 	    DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
 
 	dev->driver->buf_priv_size	= sizeof(drm_r128_buf_priv_t);
+	dev->driver->load		= r128_driver_load;
 	dev->driver->preclose		= r128_driver_preclose;
 	dev->driver->lastclose		= r128_driver_lastclose;
 	dev->driver->get_vblank_counter	= r128_get_vblank_counter;
@@ -90,6 +91,11 @@ r128_attach(device_t nbdev)
 	return drm_attach(nbdev, r128_pciidlist);
 }
 
+int r128_driver_load(struct drm_device * dev, unsigned long flags)
+{
+	return drm_vblank_init(dev, 1);
+}
+
 static int
 r128_detach(device_t nbdev)
 {
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 31a98fe..a32bfa3 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -397,6 +397,8 @@ static void drm_cleanup(struct drm_device * dev)
 		return;
 	}
 
+	drm_vblank_cleanup(dev);
+
 	drm_lastclose(dev);
 	drm_fence_manager_takedown(dev);
 
diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c
index 57419ca..64fffd9 100644
--- a/linux-core/drm_irq.c
+++ b/linux-core/drm_irq.c
@@ -94,7 +94,7 @@ static void vblank_disable_fn(unsigned long arg)
 	}
 }
 
-static void drm_vblank_cleanup(struct drm_device *dev)
+void drm_vblank_cleanup(struct drm_device *dev)
 {
 	/* Bail if the driver didn't call drm_vblank_init() */
 	if (dev->num_crtcs == 0)
@@ -282,8 +282,6 @@ int drm_irq_uninstall(struct drm_device * dev)
 
 	free_irq(dev->pdev->irq, dev);
 
-	drm_vblank_cleanup(dev);
-
 	dev->locked_tasklet_func = NULL;
 
 	return 0;
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index b97b576..9afb2e8 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -898,6 +898,13 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 #endif
 	DRM_SPININIT(&dev_priv->user_irq_lock, "userirq");
 
+	ret = drm_vblank_init(dev, I915_NUM_PIPE);
+
+	if (ret) {
+		(void) i915_driver_unload(dev);
+		return ret;
+	}
+
 	return ret;
 }
 
diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h
index aa97aab..6185bcb 100644
--- a/shared-core/i915_drv.h
+++ b/shared-core/i915_drv.h
@@ -46,6 +46,8 @@ enum pipe {
 	PIPE_B,
 };
 
+#define I915_NUM_PIPE	2
+
 /* Interface history:
  *
  * 1.1: Original.
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index 50ff93a..51c1a97 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -481,11 +481,6 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
 int i915_driver_irq_postinstall(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	int ret, num_pipes = 2;
-
-	ret = drm_vblank_init(dev, num_pipes);
-	if (ret)
-		return ret;
 
 	dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
 
diff --git a/shared-core/mach64_drv.h b/shared-core/mach64_drv.h
index fb8a772..6b0020e 100644
--- a/shared-core/mach64_drv.h
+++ b/shared-core/mach64_drv.h
@@ -163,6 +163,7 @@ extern int mach64_dma_blit(struct drm_device *dev, void *data,
 extern int mach64_get_param(struct drm_device *dev, void *data,
 			    struct drm_file *file_priv);
 
+extern int mach64_driver_load(struct drm_device * dev, unsigned long flags);
 extern u32 mach64_get_vblank_counter(struct drm_device *dev, int crtc);
 extern int mach64_enable_vblank(struct drm_device *dev, int crtc);
 extern void mach64_disable_vblank(struct drm_device *dev, int crtc);
diff --git a/shared-core/mach64_irq.c b/shared-core/mach64_irq.c
index 57879e8..149d970 100644
--- a/shared-core/mach64_irq.c
+++ b/shared-core/mach64_irq.c
@@ -143,7 +143,7 @@ void mach64_driver_irq_preinstall(struct drm_device * dev)
 
 int mach64_driver_irq_postinstall(struct drm_device * dev)
 {
-	return drm_vblank_init(dev, 1);
+	return 0;
 }
 
 void mach64_driver_irq_uninstall(struct drm_device * dev)
diff --git a/shared-core/mga_dma.c b/shared-core/mga_dma.c
index d56f4d7..dab9403 100644
--- a/shared-core/mga_dma.c
+++ b/shared-core/mga_dma.c
@@ -396,6 +396,7 @@ int mga_freelist_put(struct drm_device * dev, struct drm_buf * buf)
 int mga_driver_load(struct drm_device *dev, unsigned long flags)
 {
 	drm_mga_private_t *dev_priv;
+	int ret;
 
 	dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER);
 	if (!dev_priv)
@@ -415,6 +416,13 @@ int mga_driver_load(struct drm_device *dev, unsigned long flags)
 	dev->types[7] = _DRM_STAT_PRIMARY;
 	dev->types[8] = _DRM_STAT_SECONDARY;
 
+	ret = drm_vblank_init(dev, 1);
+
+	if (ret) {
+		(void) mga_driver_unload(dev);
+		return ret;
+	}
+
 	return 0;
 }
 
diff --git a/shared-core/mga_irq.c b/shared-core/mga_irq.c
index 4fe8632..6986ac8 100644
--- a/shared-core/mga_irq.c
+++ b/shared-core/mga_irq.c
@@ -154,11 +154,6 @@ void mga_driver_irq_preinstall(struct drm_device * dev)
 int mga_driver_irq_postinstall(struct drm_device * dev)
 {
 	drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
-	int ret;
-
-	ret = drm_vblank_init(dev, 1);
-	if (ret)
-		return ret;
 
 	DRM_INIT_WAITQUEUE(&dev_priv->fence_queue);
 
diff --git a/shared-core/r128_drv.h b/shared-core/r128_drv.h
index ab8b629..9e7a646 100644
--- a/shared-core/r128_drv.h
+++ b/shared-core/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/shared-core/r128_irq.c b/shared-core/r128_irq.c
index 5b95bd8..86e5daa 100644
--- a/shared-core/r128_irq.c
+++ b/shared-core/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)
diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c
index c4035b8..872f589 100644
--- a/shared-core/radeon_cp.c
+++ b/shared-core/radeon_cp.c
@@ -1748,6 +1748,12 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags)
 	else
 		dev_priv->flags |= RADEON_IS_PCI;
 
+	ret = drm_vblank_init(dev, 2);
+	if (ret) {
+		radeon_driver_unload(dev);
+		return ret;
+	}
+
 	DRM_DEBUG("%s card detected\n",
 		  ((dev_priv->flags & RADEON_IS_AGP) ? "AGP" : (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI"))));
 	return ret;
diff --git a/shared-core/radeon_irq.c b/shared-core/radeon_irq.c
index 165e7bd..60654b2 100644
--- a/shared-core/radeon_irq.c
+++ b/shared-core/radeon_irq.c
@@ -369,15 +369,10 @@ int radeon_driver_irq_postinstall(struct drm_device * dev)
 {
 	drm_radeon_private_t *dev_priv =
 	    (drm_radeon_private_t *) dev->dev_private;
-	int ret;
 
 	atomic_set(&dev_priv->swi_emitted, 0);
 	DRM_INIT_WAITQUEUE(&dev_priv->swi_queue);
 
-	ret = drm_vblank_init(dev, 2);
-	if (ret)
-		return ret;
-
 	dev->max_vblank_count = 0x001fffff;
 
 	radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);
diff --git a/shared-core/via_irq.c b/shared-core/via_irq.c
index c3279f8..34e3076 100644
--- a/shared-core/via_irq.c
+++ b/shared-core/via_irq.c
@@ -320,7 +320,6 @@ int via_driver_irq_postinstall(struct drm_device * dev)
 	if (!dev_priv)
 		return -EINVAL;
 
-	drm_vblank_init(dev, 1);
 	status = VIA_READ(VIA_REG_INTERRUPT);
 	VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL
 		  | dev_priv->irq_enable_mask);
diff --git a/shared-core/via_map.c b/shared-core/via_map.c
index 5493436..5dee6a7 100644
--- a/shared-core/via_map.c
+++ b/shared-core/via_map.c
@@ -121,9 +121,19 @@ int via_driver_load(struct drm_device *dev, unsigned long chipset)
 	ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
 	if (ret) {
 		drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
+		return ret;
 	}
 #endif
-	return ret;
+
+	ret = drm_vblank_init(dev, 1);
+	if (ret) {
+		drm_sman_takedown(&dev_priv->sman);
+		drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
+		return ret;
+	}
+
+	return 0;
+
 }
 
 int via_driver_unload(struct drm_device *dev)
-- 
2.7.4