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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>
This commit is contained in:
Keith Packard 2008-11-18 09:30:25 -08:00 committed by Dave Airlie
parent 6133047aa6
commit 52440211dc
15 changed files with 45 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/drm_drv.c
View File

@ -305,6 +305,8 @@ static void drm_cleanup(struct drm_device * dev)
return;
}
drm_vblank_cleanup(dev);
drm_lastclose(dev);
if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) &&

4
drivers/gpu/drm/drm_irq.c
View File

@ -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)
@ -278,8 +278,6 @@ int drm_irq_uninstall(struct drm_device * dev)
free_irq(dev->pdev->irq, dev);
drm_vblank_cleanup(dev);
return 0;
}
EXPORT_SYMBOL(drm_irq_uninstall);

7
drivers/gpu/drm/i915/i915_dma.c
View File

@ -856,6 +856,13 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
spin_lock_init(&dev_priv->user_irq_lock);
ret = drm_vblank_init(dev, I915_NUM_PIPE);
if (ret) {
(void) i915_driver_unload(dev);
return ret;
}
return ret;
}

2
drivers/gpu/drm/i915/i915_drv.h
View File

@ -47,6 +47,8 @@ enum pipe {
PIPE_B,
};
#define I915_NUM_PIPE 2
/* Interface history:
*
* 1.1: Original.

5
drivers/gpu/drm/i915/i915_irq.c
View File

@ -498,11 +498,6 @@ 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;

8
drivers/gpu/drm/mga/mga_dma.c
View File

@ -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;
}

5
drivers/gpu/drm/mga/mga_irq.c
View File

@ -152,11 +152,6 @@ 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);

6
drivers/gpu/drm/r128/r128_drv.c
View File

@ -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;

1
drivers/gpu/drm/r128/r128_drv.h
View File

@ -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);

2
drivers/gpu/drm/r128/r128_irq.c
View File

@ -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)

6
drivers/gpu/drm/radeon/radeon_cp.c
View File

@ -1757,6 +1757,12 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags)
if (ret != 0)
return ret;
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;

5
drivers/gpu/drm/radeon/radeon_irq.c
View File

@ -337,15 +337,10 @@ 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);

1
drivers/gpu/drm/via/via_irq.c
View File

@ -314,7 +314,6 @@ 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);

11
drivers/gpu/drm/via/via_map.c
View File

@ -107,8 +107,17 @@ 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;
}
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)

1
include/drm/drmP.h
View File

@ -1151,6 +1151,7 @@ extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
extern void drm_handle_vblank(struct drm_device *dev, int crtc);
extern int drm_vblank_get(struct drm_device *dev, int crtc);
extern void drm_vblank_put(struct drm_device *dev, int crtc);
extern void drm_vblank_cleanup(struct drm_device *dev);
/* Modesetting support */
extern int drm_modeset_ctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);