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

Browse source 
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
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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);