diff options
| author | Michel Dänzer <michel@tungstengraphics.com> | 2007-06-15 10:49:16 +0200 |
|---|---|---|
| committer | Michel Dänzer <michel@tungstengraphics.com> | 2007-06-15 10:50:22 +0200 |
| commit | fbee089aca727c92e0aa5d7a2ae7a8c5cf9c3076 (patch) | |
| tree | 8ce11d41abb11cceef63a578313c651a1b0335f1 | |
| parent | 82e2c3304d3f1697537b73a2c888c8c6b1b6cdc8 (diff) | |
Make vblank waitqueue per CRTC.
| -rw-r--r-- | linux-core/drmP.h | 2 | ||||
| -rw-r--r-- | linux-core/drm_irq.c | 15 |
2 files changed, 12 insertions, 5 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index b6cc7cb1..5bc8a6c7 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -824,7 +824,7 @@ typedef struct drm_device { /** \name VBLANK IRQ support */ /*@{ */ - wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ + 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) */ spinlock_t vbl_lock; struct list_head *vbl_sigs; /**< signal list to send on VBLANK */ diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c index 3dcde9a5..f673a97c 100644 --- a/linux-core/drm_irq.c +++ b/linux-core/drm_irq.c @@ -81,11 +81,15 @@ int drm_vblank_init(drm_device_t *dev, int num_crtcs) { int i, ret = -ENOMEM; - init_waitqueue_head(&dev->vbl_queue); 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) @@ -118,6 +122,7 @@ int drm_vblank_init(drm_device_t *dev, int num_crtcs) /* 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); @@ -129,6 +134,8 @@ int drm_vblank_init(drm_device_t *dev, int num_crtcs) return 0; err: + drm_free(dev->vbl_queue, sizeof(*dev->vbl_queue) * num_crtcs, + DRM_MEM_DRIVER); drm_free(dev->vbl_sigs, sizeof(*dev->vbl_sigs) * num_crtcs, DRM_MEM_DRIVER); drm_free(dev->_vblank_count, sizeof(*dev->_vblank_count) * num_crtcs, @@ -150,7 +157,7 @@ EXPORT_SYMBOL(drm_vblank_init); * * \param dev DRM device. * - * Initializes the IRQ related data, and setups drm_device::vbl_queue. Installs the handler, calling the driver + * Initializes the IRQ related data. Installs the handler, calling the driver * \c drm_driver_irq_preinstall() and \c drm_driver_irq_postinstall() functions * before and after the installation. */ @@ -549,7 +556,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) ret = drm_vblank_get(dev, crtc); if (ret) return ret; - DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, + DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ, (((cur_vblank = drm_vblank_count(dev, crtc)) - seq) <= (1 << 23))); drm_vblank_put(dev, crtc); @@ -617,7 +624,7 @@ static void drm_vbl_send_signals(drm_device_t * dev, int crtc) void drm_handle_vblank(drm_device_t *dev, int crtc) { drm_update_vblank_count(dev, crtc); - DRM_WAKEUP(&dev->vbl_queue); + DRM_WAKEUP(&dev->vbl_queue[crtc]); drm_vbl_send_signals(dev, crtc); } EXPORT_SYMBOL(drm_handle_vblank); |