enum drm_vblank_seq_type {
_DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
_DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
- _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */
_DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */
_DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */
_DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */
struct drm_wait_vblank_reply reply;
};
-enum drm_modeset_ctl_cmd {
- _DRM_PRE_MODESET = 1,
- _DRM_POST_MODESET = 2,
-};
-
-/**
- * DRM_IOCTL_MODESET_CTL ioctl argument type
- *
- * \sa drmModesetCtl().
- */
-struct drm_modeset_ctl {
- unsigned long arg;
- enum drm_modeset_ctl_cmd cmd;
-};
-
/**
* DRM_IOCTL_AGP_ENABLE ioctl argument type.
*
#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, struct drm_client)
#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, struct drm_stats)
#define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, struct drm_set_version)
-#define DRM_IOCTL_MODESET_CTL DRM_IOW(0x08, struct drm_modeset_ctl)
#define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, struct drm_unique)
#define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, struct drm_auth)
#define DRIVER_HAVE_DMA 0x20
#define DRIVER_HAVE_IRQ 0x40
#define DRIVER_IRQ_SHARED 0x80
+#define DRIVER_IRQ_VBL 0x100
#define DRIVER_DMA_QUEUE 0x200
#define DRIVER_FB_DMA 0x400
+#define DRIVER_IRQ_VBL2 0x800
/***********************************************************************/
/** \name Begin the DRM... */
int (*context_dtor) (struct drm_device *dev, int context);
int (*kernel_context_switch) (struct drm_device *dev, int old,
int new);
- void (*kernel_context_switch_unlock) (struct drm_device * dev);
- /**
- * get_vblank_counter - get raw hardware vblank counter
- * @dev: DRM device
- * @crtc: counter to fetch
- *
- * Driver callback for fetching a raw hardware vblank counter
- * for @crtc. If a device doesn't have a hardware counter, the
- * driver can simply return the value of drm_vblank_count and
- * make the enable_vblank() and disable_vblank() hooks into no-ops,
- * leaving interrupts enabled at all times.
- *
- * Wraparound handling and loss of events due to modesetting is dealt
- * with in the DRM core code.
- *
- * RETURNS
- * Raw vblank counter value.
- */
- u32 (*get_vblank_counter) (struct drm_device *dev, int crtc);
-
- /**
- * enable_vblank - enable vblank interrupt events
- * @dev: DRM device
- * @crtc: which irq to enable
- *
- * Enable vblank interrupts for @crtc. If the device doesn't have
- * a hardware vblank counter, this routine should be a no-op, since
- * interrupts will have to stay on to keep the count accurate.
- *
- * RETURNS
- * Zero on success, appropriate errno if the given @crtc's vblank
- * interrupt cannot be enabled.
- */
- int (*enable_vblank) (struct drm_device *dev, int crtc);
-
- /**
- * disable_vblank - disable vblank interrupt events
- * @dev: DRM device
- * @crtc: which irq to enable
- *
- * Disable vblank interrupts for @crtc. If the device doesn't have
- * a hardware vblank counter, this routine should be a no-op, since
- * interrupts will have to stay on to keep the count accurate.
- */
- void (*disable_vblank) (struct drm_device *dev, int crtc);
- int (*dri_library_name) (struct drm_device *dev, char * buf);
+ void (*kernel_context_switch_unlock) (struct drm_device *dev);
+ int (*vblank_wait) (struct drm_device *dev, unsigned int *sequence);
+ int (*vblank_wait2) (struct drm_device *dev, unsigned int *sequence);
+ int (*dri_library_name) (struct drm_device *dev, char *buf);
/**
* Called by \c drm_device_is_agp. Typically used to determine if a
irqreturn_t(*irq_handler) (DRM_IRQ_ARGS);
void (*irq_preinstall) (struct drm_device *dev);
- int (*irq_postinstall) (struct drm_device *dev);
+ void (*irq_postinstall) (struct drm_device *dev);
void (*irq_uninstall) (struct drm_device *dev);
void (*reclaim_buffers) (struct drm_device *dev,
struct drm_file * file_priv);
/** \name VBLANK IRQ support */
/*@{ */
- wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */
- atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
+ wait_queue_head_t vbl_queue; /**< VBLANK wait queue */
+ atomic_t vbl_received;
+ atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */
spinlock_t vbl_lock;
- struct list_head *vbl_sigs; /**< signal list to send on VBLANK */
- atomic_t vbl_signal_pending; /* number of signals pending on all crtcs*/
- atomic_t *vblank_refcount; /* number of users of vblank interrupts per crtc */
- u32 *last_vblank; /* protected by dev->vbl_lock, used */
- /* for wraparound handling */
- u32 *vblank_offset; /* used to track how many vblanks */
- int *vblank_enabled; /* so we don't call enable more than
- once per disable */
- u32 *vblank_premodeset; /* were lost during modeset */
- struct timer_list vblank_disable_timer;
-
- unsigned long max_vblank_count; /**< size of vblank counter register */
+ struct list_head vbl_sigs; /**< signal list to send on VBLANK */
+ struct list_head vbl_sigs2; /**< signals to send on secondary VBLANK */
+ unsigned int vbl_pending;
spinlock_t tasklet_lock; /**< For drm_locked_tasklet */
void (*locked_tasklet_func)(struct drm_device *dev);
#ifdef __alpha__
struct pci_controller *hose;
#endif
- int num_crtcs; /**< Number of CRTCs on this device */
struct drm_sg_mem *sg; /**< Scatter gather memory */
void *dev_private; /**< device private data */
struct drm_sigdata sigdata; /**< For block_all_signals */
extern void drm_driver_irq_postinstall(struct drm_device *dev);
extern void drm_driver_irq_uninstall(struct drm_device *dev);
-extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
-extern int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *filp);
-extern int drm_vblank_wait(struct drm_device * dev, unsigned int *vbl_seq);
-extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*));
-extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
-extern void drm_update_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);
-
- /* Modesetting support */
-extern int drm_modeset_ctl(struct drm_device *dev, void *data,
+extern int drm_wait_vblank(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
+extern void drm_vbl_send_signals(struct drm_device *dev);
+extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*));
/* AGP/GART support (drm_agpsupport.h) */
extern struct drm_agp_head *drm_agp_init(struct drm_device *dev);
return 0;
}
-static void vblank_disable_fn(unsigned long arg)
-{
- struct drm_device *dev = (struct drm_device *)arg;
- unsigned long irqflags;
- int i;
-
- for (i = 0; i < dev->num_crtcs; i++) {
- spin_lock_irqsave(&dev->vbl_lock, irqflags);
- if (atomic_read(&dev->vblank_refcount[i]) == 0 &&
- dev->vblank_enabled[i]) {
- dev->driver->disable_vblank(dev, i);
- dev->vblank_enabled[i] = 0;
- }
- spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
- }
-}
-
-static void drm_vblank_cleanup(struct drm_device *dev)
-{
- /* Bail if the driver didn't call drm_vblank_init() */
- if (dev->num_crtcs == 0)
- return;
-
- del_timer(&dev->vblank_disable_timer);
-
- vblank_disable_fn((unsigned long)dev);
-
- drm_free(dev->vbl_queue, sizeof(*dev->vbl_queue) * dev->num_crtcs,
- DRM_MEM_DRIVER);
- drm_free(dev->vbl_sigs, sizeof(*dev->vbl_sigs) * dev->num_crtcs,
- DRM_MEM_DRIVER);
- drm_free(dev->_vblank_count, sizeof(*dev->_vblank_count) *
- dev->num_crtcs, DRM_MEM_DRIVER);
- drm_free(dev->vblank_refcount, sizeof(*dev->vblank_refcount) *
- dev->num_crtcs, DRM_MEM_DRIVER);
- drm_free(dev->vblank_enabled, sizeof(*dev->vblank_enabled) *
- dev->num_crtcs, DRM_MEM_DRIVER);
- drm_free(dev->last_vblank, sizeof(*dev->last_vblank) * dev->num_crtcs,
- DRM_MEM_DRIVER);
- drm_free(dev->vblank_premodeset, sizeof(*dev->vblank_premodeset) *
- dev->num_crtcs, DRM_MEM_DRIVER);
- drm_free(dev->vblank_offset, sizeof(*dev->vblank_offset) * dev->num_crtcs,
- DRM_MEM_DRIVER);
-
- dev->num_crtcs = 0;
-}
-
-int drm_vblank_init(struct drm_device *dev, int num_crtcs)
-{
- int i, ret = -ENOMEM;
-
- setup_timer(&dev->vblank_disable_timer, vblank_disable_fn,
- (unsigned long)dev);
- spin_lock_init(&dev->vbl_lock);
- atomic_set(&dev->vbl_signal_pending, 0);
- dev->num_crtcs = num_crtcs;
-
- dev->vbl_queue = drm_alloc(sizeof(wait_queue_head_t) * num_crtcs,
- DRM_MEM_DRIVER);
- if (!dev->vbl_queue)
- goto err;
-
- dev->vbl_sigs = drm_alloc(sizeof(struct list_head) * num_crtcs,
- DRM_MEM_DRIVER);
- if (!dev->vbl_sigs)
- goto err;
-
- dev->_vblank_count = drm_alloc(sizeof(atomic_t) * num_crtcs,
- DRM_MEM_DRIVER);
- if (!dev->_vblank_count)
- goto err;
-
- dev->vblank_refcount = drm_alloc(sizeof(atomic_t) * num_crtcs,
- DRM_MEM_DRIVER);
- if (!dev->vblank_refcount)
- goto err;
-
- dev->vblank_enabled = drm_calloc(num_crtcs, sizeof(int),
- DRM_MEM_DRIVER);
- if (!dev->vblank_enabled)
- goto err;
-
- dev->last_vblank = drm_calloc(num_crtcs, sizeof(u32), DRM_MEM_DRIVER);
- if (!dev->last_vblank)
- goto err;
-
- dev->vblank_premodeset = drm_calloc(num_crtcs, sizeof(u32),
- DRM_MEM_DRIVER);
- if (!dev->vblank_premodeset)
- goto err;
-
- dev->vblank_offset = drm_calloc(num_crtcs, sizeof(u32), DRM_MEM_DRIVER);
- if (!dev->vblank_offset)
- goto err;
-
- /* Zero per-crtc vblank stuff */
- for (i = 0; i < num_crtcs; i++) {
- init_waitqueue_head(&dev->vbl_queue[i]);
- INIT_LIST_HEAD(&dev->vbl_sigs[i]);
- atomic_set(&dev->_vblank_count[i], 0);
- atomic_set(&dev->vblank_refcount[i], 0);
- }
-
- return 0;
-
-err:
- drm_vblank_cleanup(dev);
- return ret;
-}
-EXPORT_SYMBOL(drm_vblank_init);
-
/**
* Install IRQ handler.
*
DRM_DEBUG("irq=%d\n", dev->irq);
+ if (drm_core_check_feature(dev, DRIVER_IRQ_VBL)) {
+ init_waitqueue_head(&dev->vbl_queue);
+
+ spin_lock_init(&dev->vbl_lock);
+
+ INIT_LIST_HEAD(&dev->vbl_sigs);
+ INIT_LIST_HEAD(&dev->vbl_sigs2);
+
+ dev->vbl_pending = 0;
+ }
+
/* Before installing handler */
dev->driver->irq_preinstall(dev);
}
/* After installing handler */
- ret = dev->driver->irq_postinstall(dev);
- if (ret < 0) {
- mutex_lock(&dev->struct_mutex);
- dev->irq_enabled = 0;
- mutex_unlock(&dev->struct_mutex);
- }
+ dev->driver->irq_postinstall(dev);
- return ret;
+ return 0;
}
/**
free_irq(dev->irq, dev);
- drm_vblank_cleanup(dev);
-
dev->locked_tasklet_func = NULL;
return 0;
}
/**
- * drm_vblank_count - retrieve "cooked" vblank counter value
- * @dev: DRM device
- * @crtc: which counter to retrieve
- *
- * Fetches the "cooked" vblank count value that represents the number of
- * vblank events since the system was booted, including lost events due to
- * modesetting activity.
- */
-u32 drm_vblank_count(struct drm_device *dev, int crtc)
-{
- return atomic_read(&dev->_vblank_count[crtc]) +
- dev->vblank_offset[crtc];
-}
-EXPORT_SYMBOL(drm_vblank_count);
-
-/**
- * drm_update_vblank_count - update the master vblank counter
- * @dev: DRM device
- * @crtc: counter to update
- *
- * Call back into the driver to update the appropriate vblank counter
- * (specified by @crtc). Deal with wraparound, if it occurred, and
- * update the last read value so we can deal with wraparound on the next
- * call if necessary.
- */
-void drm_update_vblank_count(struct drm_device *dev, int crtc)
-{
- unsigned long irqflags;
- u32 cur_vblank, diff;
-
- /*
- * Interrupts were disabled prior to this call, so deal with counter
- * wrap if needed.
- * NOTE! It's possible we lost a full dev->max_vblank_count events
- * here if the register is small or we had vblank interrupts off for
- * a long time.
- */
- cur_vblank = dev->driver->get_vblank_counter(dev, crtc);
- spin_lock_irqsave(&dev->vbl_lock, irqflags);
- if (cur_vblank < dev->last_vblank[crtc]) {
- diff = dev->max_vblank_count -
- dev->last_vblank[crtc];
- diff += cur_vblank;
- } else {
- diff = cur_vblank - dev->last_vblank[crtc];
- }
- dev->last_vblank[crtc] = cur_vblank;
- spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
-
- atomic_add(diff, &dev->_vblank_count[crtc]);
-}
-EXPORT_SYMBOL(drm_update_vblank_count);
-
-/**
- * drm_vblank_get - get a reference count on vblank events
- * @dev: DRM device
- * @crtc: which CRTC to own
- *
- * Acquire a reference count on vblank events to avoid having them disabled
- * while in use. Note callers will probably want to update the master counter
- * using drm_update_vblank_count() above before calling this routine so that
- * wakeups occur on the right vblank event.
- *
- * RETURNS
- * Zero on success, nonzero on failure.
- */
-int drm_vblank_get(struct drm_device *dev, int crtc)
-{
- unsigned long irqflags;
- int ret = 0;
-
- spin_lock_irqsave(&dev->vbl_lock, irqflags);
- /* Going from 0->1 means we have to enable interrupts again */
- if (atomic_add_return(1, &dev->vblank_refcount[crtc]) == 1 &&
- !dev->vblank_enabled[crtc]) {
- ret = dev->driver->enable_vblank(dev, crtc);
- if (ret)
- atomic_dec(&dev->vblank_refcount[crtc]);
- else
- dev->vblank_enabled[crtc] = 1;
- }
- spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_vblank_get);
-
-/**
- * drm_vblank_put - give up ownership of vblank events
- * @dev: DRM device
- * @crtc: which counter to give up
- *
- * Release ownership of a given vblank counter, turning off interrupts
- * if possible.
- */
-void drm_vblank_put(struct drm_device *dev, int crtc)
-{
- /* Last user schedules interrupt disable */
- if (atomic_dec_and_test(&dev->vblank_refcount[crtc]))
- mod_timer(&dev->vblank_disable_timer, jiffies + 5*DRM_HZ);
-}
-EXPORT_SYMBOL(drm_vblank_put);
-
-/**
- * drm_modeset_ctl - handle vblank event counter changes across mode switch
- * @DRM_IOCTL_ARGS: standard ioctl arguments
- *
- * Applications should call the %_DRM_PRE_MODESET and %_DRM_POST_MODESET
- * ioctls around modesetting so that any lost vblank events are accounted for.
- */
-int drm_modeset_ctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct drm_modeset_ctl *modeset = data;
- int crtc, ret = 0;
- u32 new;
-
- crtc = modeset->arg;
- if (crtc >= dev->num_crtcs) {
- ret = -EINVAL;
- goto out;
- }
-
- switch (modeset->cmd) {
- case _DRM_PRE_MODESET:
- dev->vblank_premodeset[crtc] =
- dev->driver->get_vblank_counter(dev, crtc);
- break;
- case _DRM_POST_MODESET:
- new = dev->driver->get_vblank_counter(dev, crtc);
- dev->vblank_offset[crtc] = dev->vblank_premodeset[crtc] - new;
- break;
- default:
- ret = -EINVAL;
- break;
- }
-
-out:
- return ret;
-}
-
-/**
* Wait for VBLANK.
*
* \param inode device inode.
*
* If a signal is not requested, then calls vblank_wait().
*/
-int drm_wait_vblank(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
union drm_wait_vblank *vblwait = data;
struct timeval now;
int ret = 0;
- unsigned int flags, seq, crtc;
+ unsigned int flags, seq;
if ((!dev->irq) || (!dev->irq_enabled))
return -EINVAL;
}
flags = vblwait->request.type & _DRM_VBLANK_FLAGS_MASK;
- crtc = flags & _DRM_VBLANK_SECONDARY ? 1 : 0;
- if (crtc >= dev->num_crtcs)
+ if (!drm_core_check_feature(dev, (flags & _DRM_VBLANK_SECONDARY) ?
+ DRIVER_IRQ_VBL2 : DRIVER_IRQ_VBL))
return -EINVAL;
- drm_update_vblank_count(dev, crtc);
- seq = drm_vblank_count(dev, crtc);
+ seq = atomic_read((flags & _DRM_VBLANK_SECONDARY) ? &dev->vbl_received2
+ : &dev->vbl_received);
switch (vblwait->request.type & _DRM_VBLANK_TYPES_MASK) {
case _DRM_VBLANK_RELATIVE:
if (flags & _DRM_VBLANK_SIGNAL) {
unsigned long irqflags;
- struct list_head *vbl_sigs = &dev->vbl_sigs[crtc];
+ struct list_head *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY)
+ ? &dev->vbl_sigs2 : &dev->vbl_sigs;
struct drm_vbl_sig *vbl_sig;
spin_lock_irqsave(&dev->vbl_lock, irqflags);
}
}
- if (atomic_read(&dev->vbl_signal_pending) >= 100) {
+ if (dev->vbl_pending >= 100) {
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
return -EBUSY;
}
+ dev->vbl_pending++;
+
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
- vbl_sig = drm_calloc(1, sizeof(struct drm_vbl_sig),
- DRM_MEM_DRIVER);
- if (!vbl_sig)
+ if (!
+ (vbl_sig =
+ drm_alloc(sizeof(struct drm_vbl_sig), DRM_MEM_DRIVER))) {
return -ENOMEM;
-
- ret = drm_vblank_get(dev, crtc);
- if (ret) {
- drm_free(vbl_sig, sizeof(struct drm_vbl_sig),
- DRM_MEM_DRIVER);
- return ret;
}
- atomic_inc(&dev->vbl_signal_pending);
+ memset((void *)vbl_sig, 0, sizeof(*vbl_sig));
vbl_sig->sequence = vblwait->request.sequence;
vbl_sig->info.si_signo = vblwait->request.signal;
vblwait->reply.sequence = seq;
} else {
- unsigned long cur_vblank;
-
- ret = drm_vblank_get(dev, crtc);
- if (ret)
- return ret;
- DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ,
- (((cur_vblank = drm_vblank_count(dev, crtc))
- - vblwait->request.sequence) <= (1 << 23)));
- drm_vblank_put(dev, crtc);
- do_gettimeofday(&now);
+ if (flags & _DRM_VBLANK_SECONDARY) {
+ if (dev->driver->vblank_wait2)
+ ret = dev->driver->vblank_wait2(dev, &vblwait->request.sequence);
+ } else if (dev->driver->vblank_wait)
+ ret =
+ dev->driver->vblank_wait(dev,
+ &vblwait->request.sequence);
+ do_gettimeofday(&now);
vblwait->reply.tval_sec = now.tv_sec;
vblwait->reply.tval_usec = now.tv_usec;
- vblwait->reply.sequence = cur_vblank;
}
done:
* Send the VBLANK signals.
*
* \param dev DRM device.
- * \param crtc CRTC where the vblank event occurred
*
* Sends a signal for each task in drm_device::vbl_sigs and empties the list.
*
* If a signal is not requested, then calls vblank_wait().
*/
-static void drm_vbl_send_signals(struct drm_device * dev, int crtc)
+void drm_vbl_send_signals(struct drm_device * dev)
{
- struct drm_vbl_sig *vbl_sig, *tmp;
- struct list_head *vbl_sigs;
- unsigned int vbl_seq;
unsigned long flags;
+ int i;
spin_lock_irqsave(&dev->vbl_lock, flags);
- vbl_sigs = &dev->vbl_sigs[crtc];
- vbl_seq = drm_vblank_count(dev, crtc);
+ for (i = 0; i < 2; i++) {
+ struct drm_vbl_sig *vbl_sig, *tmp;
+ struct list_head *vbl_sigs = i ? &dev->vbl_sigs2 : &dev->vbl_sigs;
+ unsigned int vbl_seq = atomic_read(i ? &dev->vbl_received2 :
+ &dev->vbl_received);
- list_for_each_entry_safe(vbl_sig, tmp, vbl_sigs, head) {
- if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) {
- vbl_sig->info.si_code = vbl_seq;
- send_sig_info(vbl_sig->info.si_signo,
- &vbl_sig->info, vbl_sig->task);
+ list_for_each_entry_safe(vbl_sig, tmp, vbl_sigs, head) {
+ if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) {
+ vbl_sig->info.si_code = vbl_seq;
+ send_sig_info(vbl_sig->info.si_signo,
+ &vbl_sig->info, vbl_sig->task);
- list_del(&vbl_sig->head);
+ list_del(&vbl_sig->head);
- drm_free(vbl_sig, sizeof(*vbl_sig),
- DRM_MEM_DRIVER);
- atomic_dec(&dev->vbl_signal_pending);
- drm_vblank_put(dev, crtc);
- }
+ drm_free(vbl_sig, sizeof(*vbl_sig),
+ DRM_MEM_DRIVER);
+
+ dev->vbl_pending--;
+ }
+ }
}
spin_unlock_irqrestore(&dev->vbl_lock, flags);
}
-/**
- * drm_handle_vblank - handle a vblank event
- * @dev: DRM device
- * @crtc: where this event occurred
- *
- * Drivers should call this routine in their vblank interrupt handlers to
- * update the vblank counter and send any signals that may be pending.
- */
-void drm_handle_vblank(struct drm_device *dev, int crtc)
-{
- drm_update_vblank_count(dev, crtc);
- DRM_WAKEUP(&dev->vbl_queue[crtc]);
- drm_vbl_send_signals(dev, crtc);
-}
-EXPORT_SYMBOL(drm_handle_vblank);
+EXPORT_SYMBOL(drm_vbl_send_signals);
/**
* Tasklet wrapper function.
drm_i915_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
- if (++dev_priv->counter > BREADCRUMB_MASK) {
- dev_priv->counter = 1;
- DRM_DEBUG("Breadcrumb counter wrapped around\n");
- }
+ dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter;
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->last_enqueue = dev_priv->counter;
+ if (dev_priv->counter > 0x7FFFFFFFUL)
+ dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
BEGIN_LP_RING(4);
OUT_RING(CMD_STORE_DWORD_IDX);
ADVANCE_LP_RING();
}
-int i915_emit_mi_flush(struct drm_device *dev, uint32_t flush)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- uint32_t flush_cmd = CMD_MI_FLUSH;
- RING_LOCALS;
-
- flush_cmd |= flush;
-
- i915_kernel_lost_context(dev);
-
- BEGIN_LP_RING(4);
- OUT_RING(flush_cmd);
- OUT_RING(0);
- OUT_RING(0);
- OUT_RING(0);
- ADVANCE_LP_RING();
-
- return 0;
-}
-
static int i915_dispatch_cmdbuffer(struct drm_device * dev,
drm_i915_cmdbuffer_t * cmd)
{
return 0;
}
-static void i915_do_dispatch_flip(struct drm_device * dev, int plane, int sync)
+static int i915_dispatch_flip(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- u32 num_pages, current_page, next_page, dspbase;
- int shift = 2 * plane, x, y;
RING_LOCALS;
- /* Calculate display base offset */
- num_pages = dev_priv->sarea_priv->third_handle ? 3 : 2;
- current_page = (dev_priv->sarea_priv->pf_current_page >> shift) & 0x3;
- next_page = (current_page + 1) % num_pages;
+ DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n",
+ __FUNCTION__,
+ dev_priv->current_page,
+ dev_priv->sarea_priv->pf_current_page);
- switch (next_page) {
- default:
- case 0:
- dspbase = dev_priv->sarea_priv->front_offset;
- break;
- case 1:
- dspbase = dev_priv->sarea_priv->back_offset;
- break;
- case 2:
- dspbase = dev_priv->sarea_priv->third_offset;
- break;
- }
+ i915_kernel_lost_context(dev);
+
+ BEGIN_LP_RING(2);
+ OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
- if (plane == 0) {
- x = dev_priv->sarea_priv->planeA_x;
- y = dev_priv->sarea_priv->planeA_y;
+ BEGIN_LP_RING(6);
+ OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP);
+ OUT_RING(0);
+ if (dev_priv->current_page == 0) {
+ OUT_RING(dev_priv->back_offset);
+ dev_priv->current_page = 1;
} else {
- x = dev_priv->sarea_priv->planeB_x;
- y = dev_priv->sarea_priv->planeB_y;
+ OUT_RING(dev_priv->front_offset);
+ dev_priv->current_page = 0;
}
+ OUT_RING(0);
+ ADVANCE_LP_RING();
- dspbase += (y * dev_priv->sarea_priv->pitch + x) * dev_priv->cpp;
+ BEGIN_LP_RING(2);
+ OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
- DRM_DEBUG("plane=%d current_page=%d dspbase=0x%x\n", plane, current_page,
- dspbase);
+ dev_priv->sarea_priv->last_enqueue = dev_priv->counter++;
BEGIN_LP_RING(4);
- OUT_RING(sync ? 0 :
- (MI_WAIT_FOR_EVENT | (plane ? MI_WAIT_FOR_PLANE_B_FLIP :
- MI_WAIT_FOR_PLANE_A_FLIP)));
- OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | (sync ? 0 : ASYNC_FLIP) |
- (plane ? DISPLAY_PLANE_B : DISPLAY_PLANE_A));
- OUT_RING(dev_priv->sarea_priv->pitch * dev_priv->cpp);
- OUT_RING(dspbase);
+ OUT_RING(CMD_STORE_DWORD_IDX);
+ OUT_RING(20);
+ OUT_RING(dev_priv->counter);
+ OUT_RING(0);
ADVANCE_LP_RING();
- dev_priv->sarea_priv->pf_current_page &= ~(0x3 << shift);
- dev_priv->sarea_priv->pf_current_page |= next_page << shift;
-}
-
-void i915_dispatch_flip(struct drm_device * dev, int planes, int sync)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- int i;
-
- DRM_DEBUG("planes=0x%x pfCurrentPage=%d\n",
- planes, dev_priv->sarea_priv->pf_current_page);
-
- i915_emit_mi_flush(dev, MI_READ_FLUSH | MI_EXE_FLUSH);
-
- for (i = 0; i < 2; i++)
- if (planes & (1 << i))
- i915_do_dispatch_flip(dev, i, sync);
-
- i915_emit_breadcrumb(dev);
-
+ dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
+ return 0;
}
static int i915_quiescent(struct drm_device * dev)
struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ u32 *hw_status = dev_priv->hw_status_page;
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
dev_priv->sarea_priv;
drm_i915_batchbuffer_t *batch = data;
ret = i915_dispatch_batchbuffer(dev, batch);
- sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
+ sarea_priv->last_dispatch = (int)hw_status[5];
return ret;
}
struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ u32 *hw_status = dev_priv->hw_status_page;
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
dev_priv->sarea_priv;
drm_i915_cmdbuffer_t *cmdbuf = data;
return ret;
}
- sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
- return 0;
-}
-
-static int i915_do_cleanup_pageflip(struct drm_device * dev)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- int i, planes, num_pages = dev_priv->sarea_priv->third_handle ? 3 : 2;
-
- DRM_DEBUG("\n");
-
- for (i = 0, planes = 0; i < 2; i++)
- if (dev_priv->sarea_priv->pf_current_page & (0x3 << (2 * i))) {
- dev_priv->sarea_priv->pf_current_page =
- (dev_priv->sarea_priv->pf_current_page &
- ~(0x3 << (2 * i))) | ((num_pages - 1) << (2 * i));
-
- planes |= 1 << i;
- }
-
- if (planes)
- i915_dispatch_flip(dev, planes, 0);
-
+ sarea_priv->last_dispatch = (int)hw_status[5];
return 0;
}
static int i915_flip_bufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_flip_t *param = data;
-
- DRM_DEBUG("\n");
+ DRM_DEBUG("%s\n", __FUNCTION__);
LOCK_TEST_WITH_RETURN(dev, file_priv);
- /* This is really planes */
- if (param->pipes & ~0x3) {
- DRM_ERROR("Invalid planes 0x%x, only <= 0x3 is valid\n",
- param->pipes);
- return -EINVAL;
- }
-
- i915_dispatch_flip(dev, param->pipes, 0);
-
- return 0;
+ return i915_dispatch_flip(dev);
}
static int i915_getparam(struct drm_device *dev, void *data,
if (!dev_priv)
return;
- if (drm_getsarea(dev) && dev_priv->sarea_priv)
- i915_do_cleanup_pageflip(dev);
if (dev_priv->agp_heap)
i915_mem_takedown(&(dev_priv->agp_heap));
unsigned int rotated_tiled;
unsigned int rotated2_tiled;
- int planeA_x;
- int planeA_y;
- int planeA_w;
- int planeA_h;
- int planeB_x;
- int planeB_y;
- int planeB_w;
- int planeB_h;
-
- /* Triple buffering */
- drm_handle_t third_handle;
- int third_offset;
- int third_size;
- unsigned int third_tiled;
-
- /* buffer object handles for the static buffers. May change
- * over the lifetime of the client, though it doesn't in our current
- * implementation.
- */
- unsigned int front_bo_handle;
- unsigned int back_bo_handle;
- unsigned int third_bo_handle;
- unsigned int depth_bo_handle;
+ int pipeA_x;
+ int pipeA_y;
+ int pipeA_w;
+ int pipeA_h;
+ int pipeB_x;
+ int pipeB_y;
+ int pipeB_w;
+ int pipeB_h;
} drm_i915_sarea_t;
/* Flags for perf_boxes
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
-#define DRM_IOCTL_I915_FLIP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FLIP, drm_i915_flip_t)
+#define DRM_IOCTL_I915_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP)
#define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t)
#define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t)
#define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t)
#define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
#define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
-/* Asynchronous page flipping:
- */
-typedef struct drm_i915_flip {
- /*
- * This is really talking about planes, and we could rename it
- * except for the fact that some of the duplicated i915_drm.h files
- * out there check for HAVE_I915_FLIP and so might pick up this
- * version.
- */
- int pipes;
-} drm_i915_flip_t;
-
/* Allow drivers to submit batchbuffers directly to hardware, relying
* on the security mechanisms provided by hardware.
*/
*/
.driver_features =
DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
- DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
+ DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |
+ DRIVER_IRQ_VBL2,
.load = i915_driver_load,
.unload = i915_driver_unload,
.lastclose = i915_driver_lastclose,
.suspend = i915_suspend,
.resume = i915_resume,
.device_is_agp = i915_driver_device_is_agp,
- .get_vblank_counter = i915_get_vblank_counter,
- .enable_vblank = i915_enable_vblank,
- .disable_vblank = i915_disable_vblank,
+ .vblank_wait = i915_driver_vblank_wait,
+ .vblank_wait2 = i915_driver_vblank_wait2,
.irq_preinstall = i915_driver_irq_preinstall,
.irq_postinstall = i915_driver_irq_postinstall,
.irq_uninstall = i915_driver_irq_uninstall,
typedef struct _drm_i915_vbl_swap {
struct list_head head;
drm_drawable_t drw_id;
- unsigned int plane;
+ unsigned int pipe;
unsigned int sequence;
- int flip;
} drm_i915_vbl_swap_t;
typedef struct drm_i915_private {
drm_dma_handle_t *status_page_dmah;
void *hw_status_page;
dma_addr_t dma_status_page;
- uint32_t counter;
+ unsigned long counter;
unsigned int status_gfx_addr;
drm_local_map_t hws_map;
wait_queue_head_t irq_queue;
atomic_t irq_received;
- atomic_t irq_emited;
+ atomic_t irq_emitted;
int tex_lru_log_granularity;
int allow_batchbuffer;
struct mem_block *agp_heap;
unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
int vblank_pipe;
- spinlock_t user_irq_lock;
- int user_irq_refcount;
- int fence_irq_on;
- uint32_t irq_enable_reg;
- int irq_enabled;
spinlock_t swaps_lock;
drm_i915_vbl_swap_t vbl_swaps;
extern int i915_driver_device_is_agp(struct drm_device * dev);
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
-extern void i915_dispatch_flip(struct drm_device * dev, int pipes, int sync);
+
/* i915_irq.c */
extern int i915_irq_emit(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
extern void i915_driver_irq_preinstall(struct drm_device * dev);
-extern int i915_driver_irq_postinstall(struct drm_device * dev);
+extern void i915_driver_irq_postinstall(struct drm_device * dev);
extern void i915_driver_irq_uninstall(struct drm_device * dev);
extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
struct drm_file *file_priv);
struct drm_file *file_priv);
extern int i915_vblank_swap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern int i915_enable_vblank(struct drm_device *dev, int crtc);
-extern void i915_disable_vblank(struct drm_device *dev, int crtc);
-extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
/* i915_mem.c */
extern int i915_mem_alloc(struct drm_device *dev, void *data,
/* Interrupt bits:
*/
-#define I915_PIPE_CONTROL_NOTIFY_INTERRUPT (1<<18)
-#define I915_DISPLAY_PORT_INTERRUPT (1<<17)
-#define I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT (1<<15)
-#define I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT (1<<14)
-#define I915_HWB_OOM_INTERRUPT (1<<13) /* binner out of memory */
-#define I915_SYNC_STATUS_INTERRUPT (1<<12)
-#define I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT (1<<11)
-#define I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT (1<<10)
-#define I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT (1<<9)
-#define I915_DISPLAY_PLANE_C_FLIP_PENDING_INTERRUPT (1<<8)
-#define I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT (1<<7)
-#define I915_DISPLAY_PIPE_A_EVENT_INTERRUPT (1<<6)
-#define I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT (1<<5)
-#define I915_DISPLAY_PIPE_B_EVENT_INTERRUPT (1<<4)
-#define I915_DEBUG_INTERRUPT (1<<2)
-#define I915_USER_INTERRUPT (1<<1)
-
+#define USER_INT_FLAG (1<<1)
+#define VSYNC_PIPEB_FLAG (1<<5)
+#define VSYNC_PIPEA_FLAG (1<<7)
+#define HWB_OOM_FLAG (1<<13) /* binner out of memory */
#define I915REG_HWSTAM 0x02098
#define I915REG_INT_IDENTITY_R 0x020a4
#define I915REG_INT_MASK_R 0x020a8
#define I915REG_INT_ENABLE_R 0x020a0
-#define I915REG_INSTPM 0x020c0
-
-#define PIPEADSL 0x70000
-#define PIPEBDSL 0x71000
#define I915REG_PIPEASTAT 0x70024
#define I915REG_PIPEBSTAT 0x71024
-/*
- * The two pipe frame counter registers are not synchronized, so
- * reading a stable value is somewhat tricky. The following code
- * should work:
- *
- * do {
- * high1 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >>
- * PIPE_FRAME_HIGH_SHIFT;
- * low1 = ((INREG(PIPEAFRAMEPIXEL) & PIPE_FRAME_LOW_MASK) >>
- * PIPE_FRAME_LOW_SHIFT);
- * high2 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >>
- * PIPE_FRAME_HIGH_SHIFT);
- * } while (high1 != high2);
- * frame = (high1 << 8) | low1;
- */
-#define PIPEAFRAMEHIGH 0x70040
-#define PIPEBFRAMEHIGH 0x71040
-#define PIPE_FRAME_HIGH_MASK 0x0000ffff
-#define PIPE_FRAME_HIGH_SHIFT 0
-#define PIPEAFRAMEPIXEL 0x70044
-#define PIPEBFRAMEPIXEL 0x71044
-#define PIPE_FRAME_LOW_MASK 0xff000000
-#define PIPE_FRAME_LOW_SHIFT 24
-/*
- * Pixel within the current frame is counted in the PIPEAFRAMEPIXEL register
- * and is 24 bits wide.
- */
-#define PIPE_PIXEL_MASK 0x00ffffff
-#define PIPE_PIXEL_SHIFT 0
-
-#define I915_FIFO_UNDERRUN_STATUS (1UL<<31)
-#define I915_CRC_ERROR_ENABLE (1UL<<29)
-#define I915_CRC_DONE_ENABLE (1UL<<28)
-#define I915_GMBUS_EVENT_ENABLE (1UL<<27)
-#define I915_VSYNC_INTERRUPT_ENABLE (1UL<<25)
-#define I915_DISPLAY_LINE_COMPARE_ENABLE (1UL<<24)
-#define I915_DPST_EVENT_ENABLE (1UL<<23)
-#define I915_LEGACY_BLC_EVENT_ENABLE (1UL<<22)
-#define I915_ODD_FIELD_INTERRUPT_ENABLE (1UL<<21)
-#define I915_EVEN_FIELD_INTERRUPT_ENABLE (1UL<<20)
-#define I915_START_VBLANK_INTERRUPT_ENABLE (1UL<<18) /* 965 or later */
-#define I915_VBLANK_INTERRUPT_ENABLE (1UL<<17)
-#define I915_OVERLAY_UPDATED_ENABLE (1UL<<16)
-#define I915_CRC_ERROR_INTERRUPT_STATUS (1UL<<13)
-#define I915_CRC_DONE_INTERRUPT_STATUS (1UL<<12)
-#define I915_GMBUS_INTERRUPT_STATUS (1UL<<11)
-#define I915_VSYNC_INTERRUPT_STATUS (1UL<<9)
-#define I915_DISPLAY_LINE_COMPARE_STATUS (1UL<<8)
-#define I915_DPST_EVENT_STATUS (1UL<<7)
-#define I915_LEGACY_BLC_EVENT_STATUS (1UL<<6)
-#define I915_ODD_FIELD_INTERRUPT_STATUS (1UL<<5)
-#define I915_EVEN_FIELD_INTERRUPT_STATUS (1UL<<4)
-#define I915_START_VBLANK_INTERRUPT_STATUS (1UL<<2) /* 965 or later */
-#define I915_VBLANK_INTERRUPT_STATUS (1UL<<1)
-#define I915_OVERLAY_UPDATED_STATUS (1UL<<0)
+#define I915_VBLANK_INTERRUPT_ENABLE (1UL<<17)
+#define I915_VBLANK_CLEAR (1UL<<1)
#define SRX_INDEX 0x3c4
#define SRX_DATA 0x3c5
#define MAX_NOPID ((u32)~0)
/**
- * i915_get_pipe - return the the pipe associated with a given plane
- * @dev: DRM device
- * @plane: plane to look for
- *
- * The Intel Mesa & 2D drivers call the vblank routines with a plane number
- * rather than a pipe number, since they may not always be equal. This routine
- * maps the given @plane back to a pipe number.
- */
-static int
-i915_get_pipe(struct drm_device *dev, int plane)
-{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- u32 dspcntr;
-
- dspcntr = plane ? I915_READ(DSPBCNTR) : I915_READ(DSPACNTR);
-
- return dspcntr & DISPPLANE_SEL_PIPE_MASK ? 1 : 0;
-}
-
-/**
- * i915_get_plane - return the the plane associated with a given pipe
- * @dev: DRM device
- * @pipe: pipe to look for
- *
- * The Intel Mesa & 2D drivers call the vblank routines with a plane number
- * rather than a plane number, since they may not always be equal. This routine
- * maps the given @pipe back to a plane number.
- */
-static int
-i915_get_plane(struct drm_device *dev, int pipe)
-{
- if (i915_get_pipe(dev, 0) == pipe)
- return 0;
- return 1;
-}
-
-/**
- * i915_pipe_enabled - check if a pipe is enabled
- * @dev: DRM device
- * @pipe: pipe to check
- *
- * Reading certain registers when the pipe is disabled can hang the chip.
- * Use this routine to make sure the PLL is running and the pipe is active
- * before reading such registers if unsure.
- */
-static int
-i915_pipe_enabled(struct drm_device *dev, int pipe)
-{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- unsigned long pipeconf = pipe ? PIPEBCONF : PIPEACONF;
-
- if (I915_READ(pipeconf) & PIPEACONF_ENABLE)
- return 1;
-
- return 0;
-}
-
-/**
- * Emit a synchronous flip.
- *
- * This function must be called with the drawable spinlock held.
- */
-static void
-i915_dispatch_vsync_flip(struct drm_device *dev, struct drm_drawable_info *drw,
- int plane)
-{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv;
- u16 x1, y1, x2, y2;
- int pf_planes = 1 << plane;
-
- /* If the window is visible on the other plane, we have to flip on that
- * plane as well.
- */
- if (plane == 1) {
- x1 = sarea_priv->planeA_x;
- y1 = sarea_priv->planeA_y;
- x2 = x1 + sarea_priv->planeA_w;
- y2 = y1 + sarea_priv->planeA_h;
- } else {
- x1 = sarea_priv->planeB_x;
- y1 = sarea_priv->planeB_y;
- x2 = x1 + sarea_priv->planeB_w;
- y2 = y1 + sarea_priv->planeB_h;
- }
-
- if (x2 > 0 && y2 > 0) {
- int i, num_rects = drw->num_rects;
- struct drm_clip_rect *rect = drw->rects;
-
- for (i = 0; i < num_rects; i++)
- if (!(rect[i].x1 >= x2 || rect[i].y1 >= y2 ||
- rect[i].x2 <= x1 || rect[i].y2 <= y1)) {
- pf_planes = 0x3;
-
- break;
- }
- }
-
- i915_dispatch_flip(dev, pf_planes, 1);
-}
-
-/**
* Emit blits for scheduled buffer swaps.
*
* This function will be called with the HW lock held.
static void i915_vblank_tasklet(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ unsigned long irqflags;
struct list_head *list, *tmp, hits, *hit;
- int nhits, nrects, slice[2], upper[2], lower[2], i, num_pages;
- unsigned counter[2];
+ int nhits, nrects, slice[2], upper[2], lower[2], i;
+ unsigned counter[2] = { atomic_read(&dev->vbl_received),
+ atomic_read(&dev->vbl_received2) };
struct drm_drawable_info *drw;
drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv;
- u32 cpp = dev_priv->cpp, offsets[3];
+ u32 cpp = dev_priv->cpp;
u32 cmd = (cpp == 4) ? (XY_SRC_COPY_BLT_CMD |
XY_SRC_COPY_BLT_WRITE_ALPHA |
XY_SRC_COPY_BLT_WRITE_RGB)
: XY_SRC_COPY_BLT_CMD;
u32 src_pitch = sarea_priv->pitch * cpp;
u32 dst_pitch = sarea_priv->pitch * cpp;
- /* COPY rop (0xcc), map cpp to magic color depth constants */
u32 ropcpp = (0xcc << 16) | ((cpp - 1) << 24);
RING_LOCALS;
src_pitch >>= 2;
}
- counter[0] = drm_vblank_count(dev, 0);
- counter[1] = drm_vblank_count(dev, 1);
-
DRM_DEBUG("\n");
INIT_LIST_HEAD(&hits);
nhits = nrects = 0;
- /* No irqsave/restore necessary. This tasklet may be run in an
- * interrupt context or normal context, but we don't have to worry
- * about getting interrupted by something acquiring the lock, because
- * we are the interrupt context thing that acquires the lock.
- */
- spin_lock(&dev_priv->swaps_lock);
+ spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
/* Find buffer swaps scheduled for this vertical blank */
list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) {
drm_i915_vbl_swap_t *vbl_swap =
list_entry(list, drm_i915_vbl_swap_t, head);
- int pipe = i915_get_pipe(dev, vbl_swap->plane);
- if ((counter[pipe] - vbl_swap->sequence) > (1<<23))
+ if ((counter[vbl_swap->pipe] - vbl_swap->sequence) > (1<<23))
continue;
list_del(list);
dev_priv->swaps_pending--;
- drm_vblank_put(dev, pipe);
spin_unlock(&dev_priv->swaps_lock);
spin_lock(&dev->drw_lock);
spin_lock(&dev_priv->swaps_lock);
}
- spin_unlock(&dev_priv->swaps_lock);
-
- if (nhits == 0)
+ if (nhits == 0) {
+ spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
return;
+ }
+
+ spin_unlock(&dev_priv->swaps_lock);
i915_kernel_lost_context(dev);
- upper[0] = upper[1] = 0;
- slice[0] = max(sarea_priv->planeA_h / nhits, 1);
- slice[1] = max(sarea_priv->planeB_h / nhits, 1);
- lower[0] = sarea_priv->planeA_y + slice[0];
- lower[1] = sarea_priv->planeB_y + slice[0];
+ if (IS_I965G(dev)) {
+ BEGIN_LP_RING(4);
+
+ OUT_RING(GFX_OP_DRAWRECT_INFO_I965);
+ OUT_RING(0);
+ OUT_RING(((sarea_priv->width - 1) & 0xffff) | ((sarea_priv->height - 1) << 16));
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+ } else {
+ BEGIN_LP_RING(6);
- offsets[0] = sarea_priv->front_offset;
- offsets[1] = sarea_priv->back_offset;
- offsets[2] = sarea_priv->third_offset;
- num_pages = sarea_priv->third_handle ? 3 : 2;
+ OUT_RING(GFX_OP_DRAWRECT_INFO);
+ OUT_RING(0);
+ OUT_RING(0);
+ OUT_RING(sarea_priv->width | sarea_priv->height << 16);
+ OUT_RING(sarea_priv->width | sarea_priv->height << 16);
+ OUT_RING(0);
+
+ ADVANCE_LP_RING();
+ }
+
+ sarea_priv->ctxOwner = DRM_KERNEL_CONTEXT;
+
+ upper[0] = upper[1] = 0;
+ slice[0] = max(sarea_priv->pipeA_h / nhits, 1);
+ slice[1] = max(sarea_priv->pipeB_h / nhits, 1);
+ lower[0] = sarea_priv->pipeA_y + slice[0];
+ lower[1] = sarea_priv->pipeB_y + slice[0];
spin_lock(&dev->drw_lock);
for (i = 0; i++ < nhits;
upper[0] = lower[0], lower[0] += slice[0],
upper[1] = lower[1], lower[1] += slice[1]) {
- int init_drawrect = 1;
-
if (i == nhits)
lower[0] = lower[1] = sarea_priv->height;
drm_i915_vbl_swap_t *swap_hit =
list_entry(hit, drm_i915_vbl_swap_t, head);
struct drm_clip_rect *rect;
- int num_rects, plane, front, back;
+ int num_rects, pipe;
unsigned short top, bottom;
drw = drm_get_drawable_info(dev, swap_hit->drw_id);
if (!drw)
continue;
- plane = swap_hit->plane;
-
- if (swap_hit->flip) {
- i915_dispatch_vsync_flip(dev, drw, plane);
- continue;
- }
-
- if (init_drawrect) {
- int width = sarea_priv->width;
- int height = sarea_priv->height;
- if (IS_I965G(dev)) {
- BEGIN_LP_RING(4);
-
- OUT_RING(GFX_OP_DRAWRECT_INFO_I965);
- OUT_RING(0);
- OUT_RING(((width - 1) & 0xffff) | ((height - 1) << 16));
- OUT_RING(0);
-
- ADVANCE_LP_RING();
- } else {
- BEGIN_LP_RING(6);
-
- OUT_RING(GFX_OP_DRAWRECT_INFO);
- OUT_RING(0);
- OUT_RING(0);
- OUT_RING(((width - 1) & 0xffff) | ((height - 1) << 16));
- OUT_RING(0);
- OUT_RING(0);
-
- ADVANCE_LP_RING();
- }
-
- sarea_priv->ctxOwner = DRM_KERNEL_CONTEXT;
-
- init_drawrect = 0;
- }
-
rect = drw->rects;
- top = upper[plane];
- bottom = lower[plane];
-
- front = (dev_priv->sarea_priv->pf_current_page >>
- (2 * plane)) & 0x3;
- back = (front + 1) % num_pages;
+ pipe = swap_hit->pipe;
+ top = upper[pipe];
+ bottom = lower[pipe];
for (num_rects = drw->num_rects; num_rects--; rect++) {
int y1 = max(rect->y1, top);
OUT_RING(ropcpp | dst_pitch);
OUT_RING((y1 << 16) | rect->x1);
OUT_RING((y2 << 16) | rect->x2);
- OUT_RING(offsets[front]);
+ OUT_RING(sarea_priv->front_offset);
OUT_RING((y1 << 16) | rect->x1);
OUT_RING(src_pitch);
- OUT_RING(offsets[back]);
+ OUT_RING(sarea_priv->back_offset);
ADVANCE_LP_RING();
}
}
}
- spin_unlock(&dev->drw_lock);
+ spin_unlock_irqrestore(&dev->drw_lock, irqflags);
list_for_each_safe(hit, tmp, &hits) {
drm_i915_vbl_swap_t *swap_hit =
}
}
-u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
-{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- unsigned long high_frame;
- unsigned long low_frame;
- u32 high1, high2, low, count;
- int pipe;
-
- pipe = i915_get_pipe(dev, plane);
- high_frame = pipe ? PIPEBFRAMEHIGH : PIPEAFRAMEHIGH;
- low_frame = pipe ? PIPEBFRAMEPIXEL : PIPEAFRAMEPIXEL;
-
- if (!i915_pipe_enabled(dev, pipe)) {
- printk(KERN_ERR "trying to get vblank count for disabled "
- "pipe %d\n", pipe);
- return 0;
- }
-
- /*
- * High & low register fields aren't synchronized, so make sure
- * we get a low value that's stable across two reads of the high
- * register.
- */
- do {
- high1 = ((I915_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
- PIPE_FRAME_HIGH_SHIFT);
- low = ((I915_READ(low_frame) & PIPE_FRAME_LOW_MASK) >>
- PIPE_FRAME_LOW_SHIFT);
- high2 = ((I915_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
- PIPE_FRAME_HIGH_SHIFT);
- } while (high1 != high2);
-
- count = (high1 << 8) | low;
-
- /* count may be reset by other driver(e.g. 2D driver),
- we have no way to know if it is wrapped or resetted
- when count is zero. do a rough guess.
- */
- if (count == 0 && dev->last_vblank[pipe] < dev->max_vblank_count/2)
- dev->last_vblank[pipe] = 0;
-
- return count;
-}
-
irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- u32 iir;
+ u16 temp;
u32 pipea_stats, pipeb_stats;
- int vblank = 0;
-
- iir = I915_READ(I915REG_INT_IDENTITY_R);
- if (iir == 0) {
- DRM_DEBUG ("iir 0x%08x im 0x%08x ie 0x%08x pipea 0x%08x pipeb 0x%08x\n",
- iir,
- I915_READ(I915REG_INT_MASK_R),
- I915_READ(I915REG_INT_ENABLE_R),
- I915_READ(I915REG_PIPEASTAT),
- I915_READ(I915REG_PIPEBSTAT));
- return IRQ_NONE;
- }
- /*
- * Clear the PIPE(A|B)STAT regs before the IIR otherwise
- * we may get extra interrupts.
- */
- if (iir & I915_DISPLAY_PIPE_A_EVENT_INTERRUPT) {
- pipea_stats = I915_READ(I915REG_PIPEASTAT);
- if (pipea_stats & (I915_START_VBLANK_INTERRUPT_STATUS|
- I915_VBLANK_INTERRUPT_STATUS))
- {
- vblank++;
- drm_handle_vblank(dev, i915_get_plane(dev, 0));
- }
- I915_WRITE(I915REG_PIPEASTAT, pipea_stats);
- }
- if (iir & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) {
- pipeb_stats = I915_READ(I915REG_PIPEBSTAT);
- if (pipeb_stats & (I915_START_VBLANK_INTERRUPT_STATUS|
- I915_VBLANK_INTERRUPT_STATUS))
- {
- vblank++;
- drm_handle_vblank(dev, i915_get_plane(dev, 1));
- }
- I915_WRITE(I915REG_PIPEBSTAT, pipeb_stats);
- }
+ pipea_stats = I915_READ(I915REG_PIPEASTAT);
+ pipeb_stats = I915_READ(I915REG_PIPEBSTAT);
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
+ temp = I915_READ16(I915REG_INT_IDENTITY_R);
- I915_WRITE(I915REG_INT_IDENTITY_R, iir);
- (void) I915_READ(I915REG_INT_IDENTITY_R); /* Flush posted write */
+ temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG);
- if (iir & I915_USER_INTERRUPT) {
+ DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp);
+
+ if (temp == 0)
+ return IRQ_NONE;
+
+ I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
+ (void) I915_READ16(I915REG_INT_IDENTITY_R);
+ DRM_READMEMORYBARRIER();
+
+ dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
+
+ if (temp & USER_INT_FLAG)
DRM_WAKEUP(&dev_priv->irq_queue);
- }
- if (vblank) {
+
+ if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) {
+ int vblank_pipe = dev_priv->vblank_pipe;
+
+ if ((vblank_pipe &
+ (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B))
+ == (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) {
+ if (temp & VSYNC_PIPEA_FLAG)
+ atomic_inc(&dev->vbl_received);
+ if (temp & VSYNC_PIPEB_FLAG)
+ atomic_inc(&dev->vbl_received2);
+ } else if (((temp & VSYNC_PIPEA_FLAG) &&
+ (vblank_pipe & DRM_I915_VBLANK_PIPE_A)) ||
+ ((temp & VSYNC_PIPEB_FLAG) &&
+ (vblank_pipe & DRM_I915_VBLANK_PIPE_B)))
+ atomic_inc(&dev->vbl_received);
+
+ DRM_WAKEUP(&dev->vbl_queue);
+ drm_vbl_send_signals(dev);
+
if (dev_priv->swaps_pending > 0)
drm_locked_tasklet(dev, i915_vblank_tasklet);
+ I915_WRITE(I915REG_PIPEASTAT,
+ pipea_stats|I915_VBLANK_INTERRUPT_ENABLE|
+ I915_VBLANK_CLEAR);
+ I915_WRITE(I915REG_PIPEBSTAT,
+ pipeb_stats|I915_VBLANK_INTERRUPT_ENABLE|
+ I915_VBLANK_CLEAR);
}
return IRQ_HANDLED;
}
-static int i915_emit_irq(struct drm_device *dev)
+static int i915_emit_irq(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
READ_BREADCRUMB(dev_priv), (int)dev_priv->counter);
}
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->last_dispatch =
- READ_BREADCRUMB(dev_priv);
+ dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
return ret;
}
+static int i915_driver_vblank_do_wait(struct drm_device *dev, unsigned int *sequence,
+ atomic_t *counter)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ unsigned int cur_vblank;
+ int ret = 0;
+
+ if (!dev_priv) {
+ DRM_ERROR("called with no initialization\n");
+ return -EINVAL;
+ }
+
+ DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
+ (((cur_vblank = atomic_read(counter))
+ - *sequence) <= (1<<23)));
+
+ *sequence = cur_vblank;
+
+ return ret;
+}
+
+
+int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence)
+{
+ return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received);
+}
+
+int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence)
+{
+ return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received2);
+}
+
/* Needs the lock as it touches the ring.
*/
int i915_irq_emit(struct drm_device *dev, void *data,
return i915_wait_irq(dev, irqwait->irq_seq);
}
-int i915_enable_vblank(struct drm_device *dev, int plane)
-{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- int pipe = i915_get_pipe(dev, plane);
- u32 pipestat_reg = 0;
- u32 pipestat;
-
- switch (pipe) {
- case 0:
- pipestat_reg = I915REG_PIPEASTAT;
- dev_priv->irq_enable_reg |= I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
- break;
- case 1:
- pipestat_reg = I915REG_PIPEBSTAT;
- dev_priv->irq_enable_reg |= I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
- break;
- default:
- DRM_ERROR("tried to enable vblank on non-existent pipe %d\n",
- pipe);
- break;
- }
-
- if (pipestat_reg)
- {
- pipestat = I915_READ (pipestat_reg);
- /*
- * Older chips didn't have the start vblank interrupt,
- * but
- */
- if (IS_I965G (dev))
- pipestat |= I915_START_VBLANK_INTERRUPT_ENABLE;
- else
- pipestat |= I915_VBLANK_INTERRUPT_ENABLE;
- /*
- * Clear any pending status
- */
- pipestat |= (I915_START_VBLANK_INTERRUPT_STATUS |
- I915_VBLANK_INTERRUPT_STATUS);
- I915_WRITE(pipestat_reg, pipestat);
- }
- I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
-
- return 0;
-}
-
-void i915_disable_vblank(struct drm_device *dev, int plane)
-{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- int pipe = i915_get_pipe(dev, plane);
- u32 pipestat_reg = 0;
- u32 pipestat;
-
- switch (pipe) {
- case 0:
- pipestat_reg = I915REG_PIPEASTAT;
- dev_priv->irq_enable_reg &= ~I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
- break;
- case 1:
- pipestat_reg = I915REG_PIPEBSTAT;
- dev_priv->irq_enable_reg &= ~I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
- break;
- default:
- DRM_ERROR("tried to disable vblank on non-existent pipe %d\n",
- pipe);
- break;
- }
-
- I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
- if (pipestat_reg)
- {
- pipestat = I915_READ (pipestat_reg);
- pipestat &= ~(I915_START_VBLANK_INTERRUPT_ENABLE |
- I915_VBLANK_INTERRUPT_ENABLE);
- /*
- * Clear any pending status
- */
- pipestat |= (I915_START_VBLANK_INTERRUPT_STATUS |
- I915_VBLANK_INTERRUPT_STATUS);
- I915_WRITE(pipestat_reg, pipestat);
- }
-}
-
static void i915_enable_interrupt (struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ u16 flag;
- dev_priv->irq_enable_reg |= I915_USER_INTERRUPT;
+ flag = 0;
+ if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
+ flag |= VSYNC_PIPEA_FLAG;
+ if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
+ flag |= VSYNC_PIPEB_FLAG;
- I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
- dev_priv->irq_enabled = 1;
+ I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | flag);
}
/* Set the vblank monitor pipe
dev_priv->vblank_pipe = pipe->pipe;
+ i915_enable_interrupt (dev);
+
return 0;
}
flag = I915_READ(I915REG_INT_ENABLE_R);
pipe->pipe = 0;
- if (flag & I915_DISPLAY_PIPE_A_EVENT_INTERRUPT)
+ if (flag & VSYNC_PIPEA_FLAG)
pipe->pipe |= DRM_I915_VBLANK_PIPE_A;
- if (flag & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT)
+ if (flag & VSYNC_PIPEB_FLAG)
pipe->pipe |= DRM_I915_VBLANK_PIPE_B;
return 0;
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_vblank_swap_t *swap = data;
drm_i915_vbl_swap_t *vbl_swap;
- unsigned int pipe, seqtype, curseq, plane;
+ unsigned int pipe, seqtype, curseq;
unsigned long irqflags;
struct list_head *list;
- int ret;
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __func__);
return -EINVAL;
}
- if (!dev_priv->sarea_priv || dev_priv->sarea_priv->rotation) {
+ if (dev_priv->sarea_priv->rotation) {
DRM_DEBUG("Rotation not supported\n");
return -EINVAL;
}
if (swap->seqtype & ~(_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE |
- _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS |
- _DRM_VBLANK_FLIP)) {
+ _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)) {
DRM_ERROR("Invalid sequence type 0x%x\n", swap->seqtype);
return -EINVAL;
}
- plane = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0;
- pipe = i915_get_pipe(dev, plane);
+ pipe = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0;
seqtype = swap->seqtype & (_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE);
spin_lock_irqsave(&dev->drw_lock, irqflags);
- /* It makes no sense to schedule a swap for a drawable that doesn't have
- * valid information at this point. E.g. this could mean that the X
- * server is too old to push drawable information to the DRM, in which
- * case all such swaps would become ineffective.
- */
if (!drm_get_drawable_info(dev, swap->drawable)) {
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
DRM_DEBUG("Invalid drawable ID %d\n", swap->drawable);
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
- drm_update_vblank_count(dev, pipe);
- curseq = drm_vblank_count(dev, pipe);
+ curseq = atomic_read(pipe ? &dev->vbl_received2 : &dev->vbl_received);
if (seqtype == _DRM_VBLANK_RELATIVE)
swap->sequence += curseq;
}
}
- if (swap->seqtype & _DRM_VBLANK_FLIP) {
- swap->sequence--;
-
- if ((curseq - swap->sequence) <= (1<<23)) {
- struct drm_drawable_info *drw;
-
- LOCK_TEST_WITH_RETURN(dev, file_priv);
-
- spin_lock_irqsave(&dev->drw_lock, irqflags);
-
- drw = drm_get_drawable_info(dev, swap->drawable);
-
- if (!drw) {
- spin_unlock_irqrestore(&dev->drw_lock,
- irqflags);
- DRM_DEBUG("Invalid drawable ID %d\n",
- swap->drawable);
- return -EINVAL;
- }
-
- i915_dispatch_vsync_flip(dev, drw, plane);
-
- spin_unlock_irqrestore(&dev->drw_lock, irqflags);
-
- return 0;
- }
- }
-
spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
list_for_each(list, &dev_priv->vbl_swaps.head) {
vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head);
if (vbl_swap->drw_id == swap->drawable &&
- vbl_swap->plane == plane &&
+ vbl_swap->pipe == pipe &&
vbl_swap->sequence == swap->sequence) {
- vbl_swap->flip = (swap->seqtype & _DRM_VBLANK_FLIP);
spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
DRM_DEBUG("Already scheduled\n");
return 0;
DRM_DEBUG("\n");
- ret = drm_vblank_get(dev, pipe);
- if (ret) {
- drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER);
- return ret;
- }
-
vbl_swap->drw_id = swap->drawable;
- vbl_swap->plane = plane;
+ vbl_swap->pipe = pipe;
vbl_swap->sequence = swap->sequence;
- vbl_swap->flip = (swap->seqtype & _DRM_VBLANK_FLIP);
-
- if (vbl_swap->flip)
- swap->sequence++;
spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- I915_WRITE16(I915REG_HWSTAM, 0xeffe);
+ I915_WRITE16(I915REG_HWSTAM, 0xfffe);
I915_WRITE16(I915REG_INT_MASK_R, 0x0);
I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
}
-int i915_driver_irq_postinstall(struct drm_device * dev)
+void 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;
spin_lock_init(&dev_priv->swaps_lock);
INIT_LIST_HEAD(&dev_priv->vbl_swaps.head);
dev_priv->swaps_pending = 0;
- dev_priv->user_irq_refcount = 0;
- dev_priv->irq_enable_reg = 0;
-
- ret = drm_vblank_init(dev, num_pipes);
- if (ret)
- return ret;
-
- dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
-
+ if (!dev_priv->vblank_pipe)
+ dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A;
i915_enable_interrupt(dev);
DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
-
- /*
- * Initialize the hardware status page IRQ location.
- */
-
- I915_WRITE(I915REG_INSTPM, (1 << 5) | (1 << 21));
- return 0;
}
void i915_driver_irq_uninstall(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- u32 temp;
+ u16 temp;
if (!dev_priv)
return;
- dev_priv->irq_enabled = 0;
- I915_WRITE(I915REG_HWSTAM, 0xffffffff);
- I915_WRITE(I915REG_INT_MASK_R, 0xffffffff);
- I915_WRITE(I915REG_INT_ENABLE_R, 0x0);
-
- temp = I915_READ(I915REG_PIPEASTAT);
- I915_WRITE(I915REG_PIPEASTAT, temp);
- temp = I915_READ(I915REG_PIPEBSTAT);
- I915_WRITE(I915REG_PIPEBSTAT, temp);
- temp = I915_READ(I915REG_INT_IDENTITY_R);
- I915_WRITE(I915REG_INT_IDENTITY_R, temp);
+ I915_WRITE16(I915REG_HWSTAM, 0xffff);
+ I915_WRITE16(I915REG_INT_MASK_R, 0xffff);
+ I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
+
+ temp = I915_READ16(I915REG_INT_IDENTITY_R);
+ I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
}
static struct drm_driver driver = {
.driver_features =
DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
- DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
+ DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
+ DRIVER_IRQ_VBL,
.dev_priv_size = sizeof(drm_mga_buf_priv_t),
.load = mga_driver_load,
.unload = mga_driver_unload,
.lastclose = mga_driver_lastclose,
.dma_quiescent = mga_driver_dma_quiescent,
.device_is_agp = mga_driver_device_is_agp,
- .get_vblank_counter = mga_get_vblank_counter,
- .enable_vblank = mga_enable_vblank,
- .disable_vblank = mga_disable_vblank,
+ .vblank_wait = mga_driver_vblank_wait,
.irq_preinstall = mga_driver_irq_preinstall,
.irq_postinstall = mga_driver_irq_postinstall,
.irq_uninstall = mga_driver_irq_uninstall,
u32 clear_cmd;
u32 maccess;
- atomic_t vbl_received; /**< Number of vblanks received. */
wait_queue_head_t fence_queue;
atomic_t last_fence_retired;
u32 next_fence_to_post;
extern int mga_warp_init(drm_mga_private_t * dev_priv);
/* mga_irq.c */
-extern int mga_enable_vblank(struct drm_device *dev, int crtc);
-extern void mga_disable_vblank(struct drm_device *dev, int crtc);
-extern u32 mga_get_vblank_counter(struct drm_device *dev, int crtc);
extern int mga_driver_fence_wait(struct drm_device * dev, unsigned int *sequence);
extern int mga_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
extern irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS);
extern void mga_driver_irq_preinstall(struct drm_device * dev);
-extern int mga_driver_irq_postinstall(struct drm_device * dev);
+extern void mga_driver_irq_postinstall(struct drm_device * dev);
extern void mga_driver_irq_uninstall(struct drm_device * dev);
extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
#include "mga_drm.h"
#include "mga_drv.h"
-u32 mga_get_vblank_counter(struct drm_device *dev, int crtc)
-{
- const drm_mga_private_t *const dev_priv =
- (drm_mga_private_t *) dev->dev_private;
-
- if (crtc != 0) {
- return 0;
- }
-
-
- return atomic_read(&dev_priv->vbl_received);
-}
-
-
irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
/* VBLANK interrupt */
if (status & MGA_VLINEPEN) {
MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR);
- atomic_inc(&dev_priv->vbl_received);
- drm_handle_vblank(dev, 0);
+ atomic_inc(&dev->vbl_received);
+ DRM_WAKEUP(&dev->vbl_queue);
+ drm_vbl_send_signals(dev);
handled = 1;
}
return IRQ_NONE;
}
-int mga_enable_vblank(struct drm_device *dev, int crtc)
+int mga_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
{
- drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
-
- if (crtc != 0) {
- DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
- crtc);
- return 0;
- }
-
- MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN);
- return 0;
-}
+ unsigned int cur_vblank;
+ int ret = 0;
+ /* Assume that the user has missed the current sequence number
+ * by about a day rather than she wants to wait for years
+ * using vertical blanks...
+ */
+ DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
+ (((cur_vblank = atomic_read(&dev->vbl_received))
+ - *sequence) <= (1 << 23)));
-void mga_disable_vblank(struct drm_device *dev, int crtc)
-{
- if (crtc != 0) {
- DRM_ERROR("tried to disable vblank on non-existent crtc %d\n",
- crtc);
- }
+ *sequence = cur_vblank;
- /* Do *NOT* disable the vertical refresh interrupt. MGA doesn't have
- * a nice hardware counter that tracks the number of refreshes when
- * the interrupt is disabled, and the kernel doesn't know the refresh
- * rate to calculate an estimate.
- */
- /* MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN); */
+ return ret;
}
int mga_driver_fence_wait(struct drm_device * dev, unsigned int *sequence)
MGA_WRITE(MGA_ICLEAR, ~0);
}
-int mga_driver_irq_postinstall(struct drm_device * dev)
+void 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);
- /* Turn on soft trap interrupt. Vertical blank interrupts are enabled
- * in mga_enable_vblank.
- */
- MGA_WRITE(MGA_IEN, MGA_SOFTRAPEN);
- return 0;
+ /* Turn on vertical blank interrupt and soft trap interrupt. */
+ MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN);
}
void mga_driver_irq_uninstall(struct drm_device * dev)
static struct drm_driver driver = {
.driver_features =
DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
- DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
+ DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
+ DRIVER_IRQ_VBL,
.dev_priv_size = sizeof(drm_r128_buf_priv_t),
.preclose = r128_driver_preclose,
.lastclose = r128_driver_lastclose,
- .get_vblank_counter = r128_get_vblank_counter,
- .enable_vblank = r128_enable_vblank,
- .disable_vblank = r128_disable_vblank,
+ .vblank_wait = r128_driver_vblank_wait,
.irq_preinstall = r128_driver_irq_preinstall,
.irq_postinstall = r128_driver_irq_postinstall,
.irq_uninstall = r128_driver_irq_uninstall,
u32 crtc_offset;
u32 crtc_offset_cntl;
- atomic_t vbl_received;
-
u32 color_fmt;
unsigned int front_offset;
unsigned int front_pitch;
extern int r128_do_cce_idle(drm_r128_private_t * dev_priv);
extern int r128_do_cleanup_cce(struct drm_device * dev);
-extern int r128_enable_vblank(struct drm_device *dev, int crtc);
-extern void r128_disable_vblank(struct drm_device *dev, int crtc);
-extern u32 r128_get_vblank_counter(struct drm_device *dev, int crtc);
+extern int r128_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
+
extern irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS);
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_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 void r128_driver_preclose(struct drm_device * dev,
#include "r128_drm.h"
#include "r128_drv.h"
-u32 r128_get_vblank_counter(struct drm_device *dev, int crtc)
-{
- const drm_r128_private_t *dev_priv = dev->dev_private;
-
- if (crtc != 0)
- return 0;
-
- return atomic_read(&dev_priv->vbl_received);
-}
-
irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
/* VBLANK interrupt */
if (status & R128_CRTC_VBLANK_INT) {
R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
- atomic_inc(&dev_priv->vbl_received);
- drm_handle_vblank(dev, 0);
+ atomic_inc(&dev->vbl_received);
+ DRM_WAKEUP(&dev->vbl_queue);
+ drm_vbl_send_signals(dev);
return IRQ_HANDLED;
}
return IRQ_NONE;
}
-int r128_enable_vblank(struct drm_device *dev, int crtc)
+int r128_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
{
- drm_r128_private_t *dev_priv = dev->dev_private;
-
- if (crtc != 0) {
- DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
- return -EINVAL;
- }
+ unsigned int cur_vblank;
+ int ret = 0;
- R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN);
- return 0;
-}
+ /* Assume that the user has missed the current sequence number
+ * by about a day rather than she wants to wait for years
+ * using vertical blanks...
+ */
+ DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
+ (((cur_vblank = atomic_read(&dev->vbl_received))
+ - *sequence) <= (1 << 23)));
-void r128_disable_vblank(struct drm_device *dev, int crtc)
-{
- if (crtc != 0)
- DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
+ *sequence = cur_vblank;
- /*
- * FIXME: implement proper interrupt disable by using the vblank
- * counter register (if available)
- *
- * R128_WRITE(R128_GEN_INT_CNTL,
- * R128_READ(R128_GEN_INT_CNTL) & ~R128_CRTC_VBLANK_INT_EN);
- */
+ return ret;
}
void r128_driver_irq_preinstall(struct drm_device * dev)
R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
}
-int r128_driver_irq_postinstall(struct drm_device * dev)
+void r128_driver_irq_postinstall(struct drm_device * dev)
{
- return drm_vblank_init(dev, 1);
+ drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
+
+ /* Turn on VBL interrupt */
+ R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN);
}
void r128_driver_irq_uninstall(struct drm_device * dev)
static struct drm_driver driver = {
.driver_features =
DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
- DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
+ DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED |
+ DRIVER_IRQ_VBL | DRIVER_IRQ_VBL2,
.dev_priv_size = sizeof(drm_radeon_buf_priv_t),
.load = radeon_driver_load,
.firstopen = radeon_driver_firstopen,
.postclose = radeon_driver_postclose,
.lastclose = radeon_driver_lastclose,
.unload = radeon_driver_unload,
- .get_vblank_counter = radeon_get_vblank_counter,
- .enable_vblank = radeon_enable_vblank,
- .disable_vblank = radeon_disable_vblank,
+ .vblank_wait = radeon_driver_vblank_wait,
+ .vblank_wait2 = radeon_driver_vblank_wait2,
.dri_library_name = dri_library_name,
.irq_preinstall = radeon_driver_irq_preinstall,
.irq_postinstall = radeon_driver_irq_postinstall,
u32 scratch_ages[5];
- unsigned int crtc_last_cnt;
- unsigned int crtc2_last_cnt;
-
/* starting from here on, data is preserved accross an open */
uint32_t flags; /* see radeon_chip_flags */
unsigned long fb_aper_offset;
extern int radeon_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_priv);
extern void radeon_do_release(struct drm_device * dev);
-extern u32 radeon_get_vblank_counter(struct drm_device *dev, int crtc);
-extern int radeon_enable_vblank(struct drm_device *dev, int crtc);
-extern void radeon_disable_vblank(struct drm_device *dev, int crtc);
-extern void radeon_do_release(struct drm_device * dev);
+extern int radeon_driver_vblank_wait(struct drm_device * dev,
+ unsigned int *sequence);
+extern int radeon_driver_vblank_wait2(struct drm_device * dev,
+ unsigned int *sequence);
extern irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS);
extern void radeon_driver_irq_preinstall(struct drm_device * dev);
-extern int radeon_driver_irq_postinstall(struct drm_device * dev);
+extern void radeon_driver_irq_postinstall(struct drm_device * dev);
extern void radeon_driver_irq_uninstall(struct drm_device * dev);
extern int radeon_vblank_crtc_get(struct drm_device *dev);
extern int radeon_vblank_crtc_set(struct drm_device *dev, int64_t value);
? DRM_READ32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(x) ) \
: RADEON_READ( RADEON_SCRATCH_REG0 + 4*(x) ) )
-#define RADEON_CRTC_CRNT_FRAME 0x0214
-#define RADEON_CRTC2_CRNT_FRAME 0x0314
-
-#define RADEON_CRTC_STATUS 0x005c
-#define RADEON_CRTC2_STATUS 0x03fc
-
#define RADEON_GEN_INT_CNTL 0x0040
# define RADEON_CRTC_VBLANK_MASK (1 << 0)
# define RADEON_CRTC2_VBLANK_MASK (1 << 9)
#include "radeon_drm.h"
#include "radeon_drv.h"
-static void radeon_irq_set_state(struct drm_device *dev, u32 mask, int state)
+static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t * dev_priv,
+ u32 mask)
{
- drm_radeon_private_t *dev_priv = dev->dev_private;
-
- if (state)
- dev_priv->irq_enable_reg |= mask;
- else
- dev_priv->irq_enable_reg &= ~mask;
-
- RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
-}
-
-int radeon_enable_vblank(struct drm_device *dev, int crtc)
-{
- switch (crtc) {
- case 0:
- radeon_irq_set_state(dev, RADEON_CRTC_VBLANK_MASK, 1);
- break;
- case 1:
- radeon_irq_set_state(dev, RADEON_CRTC2_VBLANK_MASK, 1);
- break;
- default:
- DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
- crtc);
- return EINVAL;
- }
-
- return 0;
-}
-
-void radeon_disable_vblank(struct drm_device *dev, int crtc)
-{
- switch (crtc) {
- case 0:
- radeon_irq_set_state(dev, RADEON_CRTC_VBLANK_MASK, 0);
- break;
- case 1:
- radeon_irq_set_state(dev, RADEON_CRTC2_VBLANK_MASK, 0);
- break;
- default:
- DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
- crtc);
- break;
- }
-}
-
-static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t * dev_priv)
-{
- u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS) &
- (RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT |
- RADEON_CRTC2_VBLANK_STAT);
-
+ u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS) & mask;
if (irqs)
RADEON_WRITE(RADEON_GEN_INT_STATUS, irqs);
-
return irqs;
}
/* Only consider the bits we're interested in - others could be used
* outside the DRM
*/
- stat = radeon_acknowledge_irqs(dev_priv);
+ stat = radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK |
+ RADEON_CRTC_VBLANK_STAT |
+ RADEON_CRTC2_VBLANK_STAT));
if (!stat)
return IRQ_NONE;
stat &= dev_priv->irq_enable_reg;
/* SW interrupt */
- if (stat & RADEON_SW_INT_TEST)
+ if (stat & RADEON_SW_INT_TEST) {
DRM_WAKEUP(&dev_priv->swi_queue);
+ }
/* VBLANK interrupt */
- if (stat & RADEON_CRTC_VBLANK_STAT)
- drm_handle_vblank(dev, 0);
- if (stat & RADEON_CRTC2_VBLANK_STAT)
- drm_handle_vblank(dev, 1);
+ if (stat & (RADEON_CRTC_VBLANK_STAT|RADEON_CRTC2_VBLANK_STAT)) {
+ int vblank_crtc = dev_priv->vblank_crtc;
+
+ if ((vblank_crtc &
+ (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) ==
+ (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) {
+ if (stat & RADEON_CRTC_VBLANK_STAT)
+ atomic_inc(&dev->vbl_received);
+ if (stat & RADEON_CRTC2_VBLANK_STAT)
+ atomic_inc(&dev->vbl_received2);
+ } else if (((stat & RADEON_CRTC_VBLANK_STAT) &&
+ (vblank_crtc & DRM_RADEON_VBLANK_CRTC1)) ||
+ ((stat & RADEON_CRTC2_VBLANK_STAT) &&
+ (vblank_crtc & DRM_RADEON_VBLANK_CRTC2)))
+ atomic_inc(&dev->vbl_received);
+
+ DRM_WAKEUP(&dev->vbl_queue);
+ drm_vbl_send_signals(dev);
+ }
return IRQ_HANDLED;
}
return ret;
}
-u32 radeon_get_vblank_counter(struct drm_device *dev, int crtc)
+static int radeon_driver_vblank_do_wait(struct drm_device * dev,
+ unsigned int *sequence, int crtc)
{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- u32 crtc_cnt_reg, crtc_status_reg;
-
+ drm_radeon_private_t *dev_priv =
+ (drm_radeon_private_t *) dev->dev_private;
+ unsigned int cur_vblank;
+ int ret = 0;
+ int ack = 0;
+ atomic_t *counter;
if (!dev_priv) {
DRM_ERROR("called with no initialization\n");
return -EINVAL;
}
- if (crtc == 0) {
- crtc_cnt_reg = RADEON_CRTC_CRNT_FRAME;
- crtc_status_reg = RADEON_CRTC_STATUS;
- } else if (crtc == 1) {
- crtc_cnt_reg = RADEON_CRTC2_CRNT_FRAME;
- crtc_status_reg = RADEON_CRTC2_STATUS;
- } else {
+ if (crtc == DRM_RADEON_VBLANK_CRTC1) {
+ counter = &dev->vbl_received;
+ ack |= RADEON_CRTC_VBLANK_STAT;
+ } else if (crtc == DRM_RADEON_VBLANK_CRTC2) {
+ counter = &dev->vbl_received2;
+ ack |= RADEON_CRTC2_VBLANK_STAT;
+ } else
return -EINVAL;
- }
- return RADEON_READ(crtc_cnt_reg) + (RADEON_READ(crtc_status_reg) & 1);
+ radeon_acknowledge_irqs(dev_priv, ack);
+
+ dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
+
+ /* Assume that the user has missed the current sequence number
+ * by about a day rather than she wants to wait for years
+ * using vertical blanks...
+ */
+ DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
+ (((cur_vblank = atomic_read(counter))
+ - *sequence) <= (1 << 23)));
+
+ *sequence = cur_vblank;
+
+ return ret;
+}
+
+int radeon_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence)
+{
+ return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC1);
+}
+
+int radeon_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence)
+{
+ return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC2);
}
/* Needs the lock as it touches the ring.
return radeon_wait_irq(dev, irqwait->irq_seq);
}
+static void radeon_enable_interrupt(struct drm_device *dev)
+{
+ drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private;
+
+ dev_priv->irq_enable_reg = RADEON_SW_INT_ENABLE;
+ if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC1)
+ dev_priv->irq_enable_reg |= RADEON_CRTC_VBLANK_MASK;
+
+ if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC2)
+ dev_priv->irq_enable_reg |= RADEON_CRTC2_VBLANK_MASK;
+
+ RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
+ dev_priv->irq_enabled = 1;
+}
+
/* drm_dma.h hooks
*/
void radeon_driver_irq_preinstall(struct drm_device * dev)
RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
/* Clear bits if they're already high */
- radeon_acknowledge_irqs(dev_priv);
+ radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK |
+ RADEON_CRTC_VBLANK_STAT |
+ RADEON_CRTC2_VBLANK_STAT));
}
-int radeon_driver_irq_postinstall(struct drm_device * dev)
+void 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);
-
- return 0;
+ radeon_enable_interrupt(dev);
}
void radeon_driver_irq_uninstall(struct drm_device * dev)
return -EINVAL;
}
dev_priv->vblank_crtc = (unsigned int)value;
+ radeon_enable_interrupt(dev);
return 0;
}
static struct drm_driver driver = {
.driver_features =
DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
- DRIVER_IRQ_SHARED,
+ DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
.load = via_driver_load,
.unload = via_driver_unload,
.context_dtor = via_final_context,
- .get_vblank_counter = via_get_vblank_counter,
- .enable_vblank = via_enable_vblank,
- .disable_vblank = via_disable_vblank,
+ .vblank_wait = via_driver_vblank_wait,
.irq_preinstall = via_driver_irq_preinstall,
.irq_postinstall = via_driver_irq_postinstall,
.irq_uninstall = via_driver_irq_uninstall,
struct timeval last_vblank;
int last_vblank_valid;
unsigned usec_per_vblank;
- atomic_t vbl_received;
drm_via_state_t hc_state;
char pci_buf[VIA_PCI_BUF_SIZE];
const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
extern int via_final_context(struct drm_device * dev, int context);
extern int via_do_cleanup_map(struct drm_device * dev);
-extern u32 via_get_vblank_counter(struct drm_device *dev, int crtc);
-extern int via_enable_vblank(struct drm_device *dev, int crtc);
-extern void via_disable_vblank(struct drm_device *dev, int crtc);
+extern int via_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
extern void via_driver_irq_preinstall(struct drm_device * dev);
-extern int via_driver_irq_postinstall(struct drm_device * dev);
+extern void via_driver_irq_postinstall(struct drm_device * dev);
extern void via_driver_irq_uninstall(struct drm_device * dev);
extern int via_dma_cleanup(struct drm_device * dev);
static unsigned time_diff(struct timeval *now, struct timeval *then)
{
return (now->tv_usec >= then->tv_usec) ?
- now->tv_usec - then->tv_usec :
- 1000000 - (then->tv_usec - now->tv_usec);
-}
-
-u32 via_get_vblank_counter(struct drm_device *dev, int crtc)
-{
- drm_via_private_t *dev_priv = dev->dev_private;
- if (crtc != 0)
- return 0;
-
- return atomic_read(&dev_priv->vbl_received);
+ now->tv_usec - then->tv_usec :
+ 1000000 - (then->tv_usec - now->tv_usec);
}
irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
status = VIA_READ(VIA_REG_INTERRUPT);
if (status & VIA_IRQ_VBLANK_PENDING) {
- atomic_inc(&dev_priv->vbl_received);
- if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) {
+ atomic_inc(&dev->vbl_received);
+ if (!(atomic_read(&dev->vbl_received) & 0x0F)) {
do_gettimeofday(&cur_vblank);
if (dev_priv->last_vblank_valid) {
dev_priv->usec_per_vblank =
dev_priv->last_vblank = cur_vblank;
dev_priv->last_vblank_valid = 1;
}
- if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) {
+ if (!(atomic_read(&dev->vbl_received) & 0xFF)) {
DRM_DEBUG("US per vblank is: %u\n",
dev_priv->usec_per_vblank);
}
- drm_handle_vblank(dev, 0);
+ DRM_WAKEUP(&dev->vbl_queue);
+ drm_vbl_send_signals(dev);
handled = 1;
}
}
}
-int via_enable_vblank(struct drm_device *dev, int crtc)
+int via_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
{
- drm_via_private_t *dev_priv = dev->dev_private;
- u32 status;
+ drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+ unsigned int cur_vblank;
+ int ret = 0;
- if (crtc != 0) {
- DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
+ DRM_DEBUG("\n");
+ if (!dev_priv) {
+ DRM_ERROR("called with no initialization\n");
return -EINVAL;
}
- status = VIA_READ(VIA_REG_INTERRUPT);
- VIA_WRITE(VIA_REG_INTERRUPT, status & VIA_IRQ_VBLANK_ENABLE);
+ viadrv_acknowledge_irqs(dev_priv);
- VIA_WRITE8(0x83d4, 0x11);
- VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
+ /* Assume that the user has missed the current sequence number
+ * by about a day rather than she wants to wait for years
+ * using vertical blanks...
+ */
- return 0;
-}
+ DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
+ (((cur_vblank = atomic_read(&dev->vbl_received)) -
+ *sequence) <= (1 << 23)));
-void via_disable_vblank(struct drm_device *dev, int crtc)
-{
- drm_via_private_t *dev_priv = dev->dev_private;
-
- VIA_WRITE8(0x83d4, 0x11);
- VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) & ~0x30);
-
- if (crtc != 0)
- DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
+ *sequence = cur_vblank;
+ return ret;
}
static int
}
}
-int via_driver_irq_postinstall(struct drm_device * dev)
+void via_driver_irq_postinstall(struct drm_device * dev)
{
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
u32 status;
- DRM_DEBUG("via_driver_irq_postinstall\n");
- if (!dev_priv)
- return -EINVAL;
+ DRM_DEBUG("\n");
+ if (dev_priv) {
+ status = VIA_READ(VIA_REG_INTERRUPT);
+ VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL
+ | dev_priv->irq_enable_mask);
- 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);
+ /* Some magic, oh for some data sheets ! */
- /* Some magic, oh for some data sheets ! */
- VIA_WRITE8(0x83d4, 0x11);
- VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
+ VIA_WRITE8(0x83d4, 0x11);
+ VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
- return 0;
+ }
}
void via_driver_irq_uninstall(struct drm_device * dev)
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff