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-rw-r--r--drivers/gpu/drm/drm_info.c6
-rw-r--r--drivers/gpu/drm/drm_irq.c138
-rw-r--r--drivers/gpu/drm/gma500/psb_irq.c22
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c2
-rw-r--r--drivers/gpu/drm/omapdrm/omap_irq.c6
-rw-r--r--include/drm/drmP.h26
6 files changed, 81 insertions, 119 deletions
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
index 53298320080..7d5a152eeb0 100644
--- a/drivers/gpu/drm/drm_info.c
+++ b/drivers/gpu/drm/drm_info.c
@@ -163,13 +163,13 @@ int drm_vblank_info(struct seq_file *m, void *data)
mutex_lock(&dev->struct_mutex);
for (crtc = 0; crtc < dev->num_crtcs; crtc++) {
seq_printf(m, "CRTC %d enable: %d\n",
- crtc, atomic_read(&dev->vblank_refcount[crtc]));
+ crtc, atomic_read(&dev->vblank[crtc].refcount));
seq_printf(m, "CRTC %d counter: %d\n",
crtc, drm_vblank_count(dev, crtc));
seq_printf(m, "CRTC %d last wait: %d\n",
- crtc, dev->last_vblank_wait[crtc]);
+ crtc, dev->vblank[crtc].last_wait);
seq_printf(m, "CRTC %d in modeset: %d\n",
- crtc, dev->vblank_inmodeset[crtc]);
+ crtc, dev->vblank[crtc].inmodeset);
}
mutex_unlock(&dev->struct_mutex);
return 0;
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 49680a8ab96..dea859f2003 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -43,9 +43,8 @@
#include <linux/export.h>
/* Access macro for slots in vblank timestamp ringbuffer. */
-#define vblanktimestamp(dev, crtc, count) ( \
- (dev)->_vblank_time[(crtc) * DRM_VBLANKTIME_RBSIZE + \
- ((count) % DRM_VBLANKTIME_RBSIZE)])
+#define vblanktimestamp(dev, crtc, count) \
+ ((dev)->vblank[crtc].time[(count) % DRM_VBLANKTIME_RBSIZE])
/* Retry timestamp calculation up to 3 times to satisfy
* drm_timestamp_precision before giving up.
@@ -89,8 +88,7 @@ int drm_irq_by_busid(struct drm_device *dev, void *data,
*/
static void clear_vblank_timestamps(struct drm_device *dev, int crtc)
{
- memset(&dev->_vblank_time[crtc * DRM_VBLANKTIME_RBSIZE], 0,
- DRM_VBLANKTIME_RBSIZE * sizeof(struct timeval));
+ memset(dev->vblank[crtc].time, 0, sizeof(dev->vblank[crtc].time));
}
/*
@@ -115,7 +113,7 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc)
spin_lock_irqsave(&dev->vblank_time_lock, irqflags);
dev->driver->disable_vblank(dev, crtc);
- dev->vblank_enabled[crtc] = false;
+ dev->vblank[crtc].enabled = false;
/* No further vblank irq's will be processed after
* this point. Get current hardware vblank count and
@@ -130,9 +128,9 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc)
* delayed gpu counter increment.
*/
do {
- dev->last_vblank[crtc] = dev->driver->get_vblank_counter(dev, crtc);
+ dev->vblank[crtc].last = dev->driver->get_vblank_counter(dev, crtc);
vblrc = drm_get_last_vbltimestamp(dev, crtc, &tvblank, 0);
- } while (dev->last_vblank[crtc] != dev->driver->get_vblank_counter(dev, crtc) && (--count) && vblrc);
+ } while (dev->vblank[crtc].last != dev->driver->get_vblank_counter(dev, crtc) && (--count) && vblrc);
if (!count)
vblrc = 0;
@@ -140,7 +138,7 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc)
/* Compute time difference to stored timestamp of last vblank
* as updated by last invocation of drm_handle_vblank() in vblank irq.
*/
- vblcount = atomic_read(&dev->_vblank_count[crtc]);
+ vblcount = atomic_read(&dev->vblank[crtc].count);
diff_ns = timeval_to_ns(&tvblank) -
timeval_to_ns(&vblanktimestamp(dev, crtc, vblcount));
@@ -157,7 +155,7 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc)
* hope for the best.
*/
if ((vblrc > 0) && (abs64(diff_ns) > 1000000)) {
- atomic_inc(&dev->_vblank_count[crtc]);
+ atomic_inc(&dev->vblank[crtc].count);
smp_mb__after_atomic_inc();
}
@@ -178,8 +176,8 @@ static void vblank_disable_fn(unsigned long arg)
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]) {
+ if (atomic_read(&dev->vblank[i].refcount) == 0 &&
+ dev->vblank[i].enabled) {
DRM_DEBUG("disabling vblank on crtc %d\n", i);
vblank_disable_and_save(dev, i);
}
@@ -197,14 +195,7 @@ void drm_vblank_cleanup(struct drm_device *dev)
vblank_disable_fn((unsigned long)dev);
- kfree(dev->vbl_queue);
- kfree(dev->_vblank_count);
- kfree(dev->vblank_refcount);
- kfree(dev->vblank_enabled);
- kfree(dev->last_vblank);
- kfree(dev->last_vblank_wait);
- kfree(dev->vblank_inmodeset);
- kfree(dev->_vblank_time);
+ kfree(dev->vblank);
dev->num_crtcs = 0;
}
@@ -221,40 +212,12 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs)
dev->num_crtcs = num_crtcs;
- dev->vbl_queue = kmalloc(sizeof(wait_queue_head_t) * num_crtcs,
- GFP_KERNEL);
- if (!dev->vbl_queue)
+ dev->vblank = kcalloc(num_crtcs, sizeof(*dev->vblank), GFP_KERNEL);
+ if (!dev->vblank)
goto err;
- dev->_vblank_count = kmalloc(sizeof(atomic_t) * num_crtcs, GFP_KERNEL);
- if (!dev->_vblank_count)
- goto err;
-
- dev->vblank_refcount = kmalloc(sizeof(atomic_t) * num_crtcs,
- GFP_KERNEL);
- if (!dev->vblank_refcount)
- goto err;
-
- dev->vblank_enabled = kcalloc(num_crtcs, sizeof(bool), GFP_KERNEL);
- if (!dev->vblank_enabled)
- goto err;
-
- dev->last_vblank = kcalloc(num_crtcs, sizeof(u32), GFP_KERNEL);
- if (!dev->last_vblank)
- goto err;
-
- dev->last_vblank_wait = kcalloc(num_crtcs, sizeof(u32), GFP_KERNEL);
- if (!dev->last_vblank_wait)
- goto err;
-
- dev->vblank_inmodeset = kcalloc(num_crtcs, sizeof(int), GFP_KERNEL);
- if (!dev->vblank_inmodeset)
- goto err;
-
- dev->_vblank_time = kcalloc(num_crtcs * DRM_VBLANKTIME_RBSIZE,
- sizeof(struct timeval), GFP_KERNEL);
- if (!dev->_vblank_time)
- goto err;
+ for (i = 0; i < num_crtcs; i++)
+ init_waitqueue_head(&dev->vblank[i].queue);
DRM_INFO("Supports vblank timestamp caching Rev 1 (10.10.2010).\n");
@@ -264,13 +227,6 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs)
else
DRM_INFO("No driver support for vblank timestamp query.\n");
- /* Zero per-crtc vblank stuff */
- for (i = 0; i < num_crtcs; i++) {
- init_waitqueue_head(&dev->vbl_queue[i]);
- atomic_set(&dev->_vblank_count[i], 0);
- atomic_set(&dev->vblank_refcount[i], 0);
- }
-
dev->vblank_disable_allowed = false;
return 0;
@@ -411,9 +367,9 @@ int drm_irq_uninstall(struct drm_device *dev)
if (dev->num_crtcs) {
spin_lock_irqsave(&dev->vbl_lock, irqflags);
for (i = 0; i < dev->num_crtcs; i++) {
- DRM_WAKEUP(&dev->vbl_queue[i]);
- dev->vblank_enabled[i] = false;
- dev->last_vblank[i] =
+ DRM_WAKEUP(&dev->vblank[i].queue);
+ dev->vblank[i].enabled = false;
+ dev->vblank[i].last =
dev->driver->get_vblank_counter(dev, i);
}
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
@@ -796,7 +752,7 @@ EXPORT_SYMBOL(drm_get_last_vbltimestamp);
*/
u32 drm_vblank_count(struct drm_device *dev, int crtc)
{
- return atomic_read(&dev->_vblank_count[crtc]);
+ return atomic_read(&dev->vblank[crtc].count);
}
EXPORT_SYMBOL(drm_vblank_count);
@@ -825,10 +781,10 @@ u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
* a seqlock.
*/
do {
- cur_vblank = atomic_read(&dev->_vblank_count[crtc]);
+ cur_vblank = atomic_read(&dev->vblank[crtc].count);
*vblanktime = vblanktimestamp(dev, crtc, cur_vblank);
smp_rmb();
- } while (cur_vblank != atomic_read(&dev->_vblank_count[crtc]));
+ } while (cur_vblank != atomic_read(&dev->vblank[crtc].count));
return cur_vblank;
}
@@ -915,12 +871,12 @@ static void drm_update_vblank_count(struct drm_device *dev, int crtc)
} while (cur_vblank != dev->driver->get_vblank_counter(dev, crtc));
/* Deal with counter wrap */
- diff = cur_vblank - dev->last_vblank[crtc];
- if (cur_vblank < dev->last_vblank[crtc]) {
+ diff = cur_vblank - dev->vblank[crtc].last;
+ if (cur_vblank < dev->vblank[crtc].last) {
diff += dev->max_vblank_count;
DRM_DEBUG("last_vblank[%d]=0x%x, cur_vblank=0x%x => diff=0x%x\n",
- crtc, dev->last_vblank[crtc], cur_vblank, diff);
+ crtc, dev->vblank[crtc].last, cur_vblank, diff);
}
DRM_DEBUG("enabling vblank interrupts on crtc %d, missed %d\n",
@@ -931,12 +887,12 @@ static void drm_update_vblank_count(struct drm_device *dev, int crtc)
* reinitialize delayed at next vblank interrupt in that case.
*/
if (rc) {
- tslot = atomic_read(&dev->_vblank_count[crtc]) + diff;
+ tslot = atomic_read(&dev->vblank[crtc].count) + diff;
vblanktimestamp(dev, crtc, tslot) = t_vblank;
}
smp_mb__before_atomic_inc();
- atomic_add(diff, &dev->_vblank_count[crtc]);
+ atomic_add(diff, &dev->vblank[crtc].count);
smp_mb__after_atomic_inc();
}
@@ -958,9 +914,9 @@ int drm_vblank_get(struct drm_device *dev, int crtc)
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) {
+ if (atomic_add_return(1, &dev->vblank[crtc].refcount) == 1) {
spin_lock_irqsave(&dev->vblank_time_lock, irqflags2);
- if (!dev->vblank_enabled[crtc]) {
+ if (!dev->vblank[crtc].enabled) {
/* Enable vblank irqs under vblank_time_lock protection.
* All vblank count & timestamp updates are held off
* until we are done reinitializing master counter and
@@ -971,16 +927,16 @@ int drm_vblank_get(struct drm_device *dev, int crtc)
DRM_DEBUG("enabling vblank on crtc %d, ret: %d\n",
crtc, ret);
if (ret)
- atomic_dec(&dev->vblank_refcount[crtc]);
+ atomic_dec(&dev->vblank[crtc].refcount);
else {
- dev->vblank_enabled[crtc] = true;
+ dev->vblank[crtc].enabled = true;
drm_update_vblank_count(dev, crtc);
}
}
spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags2);
} else {
- if (!dev->vblank_enabled[crtc]) {
- atomic_dec(&dev->vblank_refcount[crtc]);
+ if (!dev->vblank[crtc].enabled) {
+ atomic_dec(&dev->vblank[crtc].refcount);
ret = -EINVAL;
}
}
@@ -1000,10 +956,10 @@ EXPORT_SYMBOL(drm_vblank_get);
*/
void drm_vblank_put(struct drm_device *dev, int crtc)
{
- BUG_ON(atomic_read(&dev->vblank_refcount[crtc]) == 0);
+ BUG_ON(atomic_read(&dev->vblank[crtc].refcount) == 0);
/* Last user schedules interrupt disable */
- if (atomic_dec_and_test(&dev->vblank_refcount[crtc]) &&
+ if (atomic_dec_and_test(&dev->vblank[crtc].refcount) &&
(drm_vblank_offdelay > 0))
mod_timer(&dev->vblank_disable_timer,
jiffies + ((drm_vblank_offdelay * DRM_HZ)/1000));
@@ -1026,7 +982,7 @@ void drm_vblank_off(struct drm_device *dev, int crtc)
spin_lock_irqsave(&dev->vbl_lock, irqflags);
vblank_disable_and_save(dev, crtc);
- DRM_WAKEUP(&dev->vbl_queue[crtc]);
+ DRM_WAKEUP(&dev->vblank[crtc].queue);
/* Send any queued vblank events, lest the natives grow disquiet */
seq = drm_vblank_count_and_time(dev, crtc, &now);
@@ -1068,10 +1024,10 @@ void drm_vblank_pre_modeset(struct drm_device *dev, int crtc)
* to avoid corrupting the count if multiple, mismatch calls occur),
* so that interrupts remain enabled in the interim.
*/
- if (!dev->vblank_inmodeset[crtc]) {
- dev->vblank_inmodeset[crtc] = 0x1;
+ if (!dev->vblank[crtc].inmodeset) {
+ dev->vblank[crtc].inmodeset = 0x1;
if (drm_vblank_get(dev, crtc) == 0)
- dev->vblank_inmodeset[crtc] |= 0x2;
+ dev->vblank[crtc].inmodeset |= 0x2;
}
}
EXPORT_SYMBOL(drm_vblank_pre_modeset);
@@ -1084,15 +1040,15 @@ void drm_vblank_post_modeset(struct drm_device *dev, int crtc)
if (!dev->num_crtcs)
return;
- if (dev->vblank_inmodeset[crtc]) {
+ if (dev->vblank[crtc].inmodeset) {
spin_lock_irqsave(&dev->vbl_lock, irqflags);
dev->vblank_disable_allowed = true;
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
- if (dev->vblank_inmodeset[crtc] & 0x2)
+ if (dev->vblank[crtc].inmodeset & 0x2)
drm_vblank_put(dev, crtc);
- dev->vblank_inmodeset[crtc] = 0;
+ dev->vblank[crtc].inmodeset = 0;
}
}
EXPORT_SYMBOL(drm_vblank_post_modeset);
@@ -1289,8 +1245,8 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
DRM_DEBUG("waiting on vblank count %d, crtc %d\n",
vblwait->request.sequence, crtc);
- dev->last_vblank_wait[crtc] = vblwait->request.sequence;
- DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ,
+ dev->vblank[crtc].last_wait = vblwait->request.sequence;
+ DRM_WAIT_ON(ret, dev->vblank[crtc].queue, 3 * DRM_HZ,
(((drm_vblank_count(dev, crtc) -
vblwait->request.sequence) <= (1 << 23)) ||
!dev->irq_enabled));
@@ -1368,7 +1324,7 @@ bool drm_handle_vblank(struct drm_device *dev, int crtc)
spin_lock_irqsave(&dev->vblank_time_lock, irqflags);
/* Vblank irq handling disabled. Nothing to do. */
- if (!dev->vblank_enabled[crtc]) {
+ if (!dev->vblank[crtc].enabled) {
spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags);
return false;
}
@@ -1378,7 +1334,7 @@ bool drm_handle_vblank(struct drm_device *dev, int crtc)
*/
/* Get current timestamp and count. */
- vblcount = atomic_read(&dev->_vblank_count[crtc]);
+ vblcount = atomic_read(&dev->vblank[crtc].count);
drm_get_last_vbltimestamp(dev, crtc, &tvblank, DRM_CALLED_FROM_VBLIRQ);
/* Compute time difference to timestamp of last vblank */
@@ -1402,14 +1358,14 @@ bool drm_handle_vblank(struct drm_device *dev, int crtc)
* the timestamp computed above.
*/
smp_mb__before_atomic_inc();
- atomic_inc(&dev->_vblank_count[crtc]);
+ atomic_inc(&dev->vblank[crtc].count);
smp_mb__after_atomic_inc();
} else {
DRM_DEBUG("crtc %d: Redundant vblirq ignored. diff_ns = %d\n",
crtc, (int) diff_ns);
}
- DRM_WAKEUP(&dev->vbl_queue[crtc]);
+ DRM_WAKEUP(&dev->vblank[crtc].queue);
drm_handle_vblank_events(dev, crtc);
spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags);
diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c
index 029eccf3013..ba4830342d3 100644
--- a/drivers/gpu/drm/gma500/psb_irq.c
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -271,15 +271,15 @@ void psb_irq_preinstall(struct drm_device *dev)
if (gma_power_is_on(dev))
PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
- if (dev->vblank_enabled[0])
+ if (dev->vblank[0].enabled)
dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG;
- if (dev->vblank_enabled[1])
+ if (dev->vblank[1].enabled)
dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG;
/* FIXME: Handle Medfield irq mask
- if (dev->vblank_enabled[1])
+ if (dev->vblank[1].enabled)
dev_priv->vdc_irq_mask |= _MDFLD_PIPEB_EVENT_FLAG;
- if (dev->vblank_enabled[2])
+ if (dev->vblank[2].enabled)
dev_priv->vdc_irq_mask |= _MDFLD_PIPEC_EVENT_FLAG;
*/
@@ -305,17 +305,17 @@ int psb_irq_postinstall(struct drm_device *dev)
PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
- if (dev->vblank_enabled[0])
+ if (dev->vblank[0].enabled)
psb_enable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
else
psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
- if (dev->vblank_enabled[1])
+ if (dev->vblank[1].enabled)
psb_enable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
else
psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
- if (dev->vblank_enabled[2])
+ if (dev->vblank[2].enabled)
psb_enable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
else
psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
@@ -339,13 +339,13 @@ void psb_irq_uninstall(struct drm_device *dev)
PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
- if (dev->vblank_enabled[0])
+ if (dev->vblank[0].enabled)
psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
- if (dev->vblank_enabled[1])
+ if (dev->vblank[1].enabled)
psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
- if (dev->vblank_enabled[2])
+ if (dev->vblank[2].enabled)
psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
dev_priv->vdc_irq_mask &= _PSB_IRQ_SGX_FLAG |
@@ -456,7 +456,7 @@ static int psb_vblank_do_wait(struct drm_device *dev,
{
unsigned int cur_vblank;
int ret = 0;
- DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
+ DRM_WAIT_ON(ret, dev->vblank.queue, 3 * DRM_HZ,
(((cur_vblank = atomic_read(counter))
- *sequence) <= (1 << 23)));
*sequence = cur_vblank;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 4692f8cb772..3907c60a72d 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5340,7 +5340,7 @@ static void __intel_set_power_well(struct drm_device *dev, bool enable)
spin_lock_irqsave(&dev->vbl_lock, irqflags);
for_each_pipe(p)
if (p != PIPE_A)
- dev->last_vblank[p] = 0;
+ dev->vblank[p].last = 0;
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
}
}
diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c
index 3cbe92c72fd..261b227e469 100644
--- a/drivers/gpu/drm/omapdrm/omap_irq.c
+++ b/drivers/gpu/drm/omapdrm/omap_irq.c
@@ -307,9 +307,9 @@ int omap_drm_irq_uninstall(struct drm_device *dev)
if (dev->num_crtcs) {
spin_lock_irqsave(&dev->vbl_lock, irqflags);
for (i = 0; i < dev->num_crtcs; i++) {
- DRM_WAKEUP(&dev->vbl_queue[i]);
- dev->vblank_enabled[i] = false;
- dev->last_vblank[i] =
+ DRM_WAKEUP(&dev->vblank[i].queue);
+ dev->vblank[i].enabled = false;
+ dev->vblank[i].last =
dev->driver->get_vblank_counter(dev, i);
}
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 2d390abbf55..7198febd9d8 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1078,6 +1078,19 @@ struct drm_pending_vblank_event {
struct drm_event_vblank event;
};
+struct drm_vblank_crtc {
+ wait_queue_head_t queue; /**< VBLANK wait queue */
+ struct timeval time[DRM_VBLANKTIME_RBSIZE]; /**< timestamp of current count */
+ atomic_t count; /**< number of VBLANK interrupts */
+ atomic_t refcount; /* number of users of vblank interruptsper crtc */
+ u32 last; /* protected by dev->vbl_lock, used */
+ /* for wraparound handling */
+ u32 last_wait; /* Last vblank seqno waited per CRTC */
+ unsigned int inmodeset; /* Display driver is setting mode */
+ bool enabled; /* so we don't call enable more than
+ once per disable */
+};
+
/**
* DRM device structure. This structure represent a complete card that
* may contain multiple heads.
@@ -1153,18 +1166,11 @@ struct drm_device {
*/
bool vblank_disable_allowed;
- 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) */
- struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */
+ /* array of size num_crtcs */
+ struct drm_vblank_crtc *vblank;
+
spinlock_t vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
spinlock_t vbl_lock;
- atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
- u32 *last_vblank; /* protected by dev->vbl_lock, used */
- /* for wraparound handling */
- bool *vblank_enabled; /* so we don't call enable more than
- once per disable */
- unsigned int *vblank_inmodeset; /* Display driver is setting mode */
- u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */
struct timer_list vblank_disable_timer;
u32 max_vblank_count; /**< size of vblank counter register */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-16 06:44:54 +0000