diff options
Diffstat (limited to 'bsd-core/drm_irq.c')
| -rw-r--r-- | bsd-core/drm_irq.c | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/bsd-core/drm_irq.c b/bsd-core/drm_irq.c index 0772445a..40d0b71f 100644 --- a/bsd-core/drm_irq.c +++ b/bsd-core/drm_irq.c @@ -211,17 +211,43 @@ int drm_wait_vblank(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_wait_vblank_t *vblwait = data; struct timeval now; - int ret, flags; + int ret = 0; + int flags, seq; if (!dev->irq_enabled) return EINVAL; - if (vblwait->request.type & _DRM_VBLANK_RELATIVE) { - vblwait->request.sequence += atomic_read(&dev->vbl_received); - vblwait->request.type &= ~_DRM_VBLANK_RELATIVE; + if (vblwait->request.type & + ~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)) { + DRM_ERROR("Unsupported type value 0x%x, supported mask 0x%x\n", + vblwait->request.type, + (_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)); + return EINVAL; } flags = vblwait->request.type & _DRM_VBLANK_FLAGS_MASK; + + if ((flags & _DRM_VBLANK_SECONDARY) && !dev->driver.use_vbl_irq2) + return EINVAL; + + 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: + vblwait->request.sequence += seq; + vblwait->request.type &= ~_DRM_VBLANK_RELATIVE; + case _DRM_VBLANK_ABSOLUTE: + break; + default: + return EINVAL; + } + + if ((flags & _DRM_VBLANK_NEXTONMISS) && + (seq - vblwait->request.sequence) <= (1<<23)) { + vblwait->request.sequence = seq + 1; + } + if (flags & _DRM_VBLANK_SIGNAL) { #if 0 /* disabled */ drm_vbl_sig_t *vbl_sig = malloc(sizeof(drm_vbl_sig_t), M_DRM, @@ -244,8 +270,14 @@ int drm_wait_vblank(drm_device_t *dev, void *data, struct drm_file *file_priv) } else { DRM_LOCK(); /* shared code returns -errno */ - ret = -dev->driver.vblank_wait(dev, - &vblwait->request.sequence); + 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); + DRM_UNLOCK(); microtime(&now); @@ -303,7 +335,7 @@ static void drm_locked_task(void *context, int pending __unused) /* Contention */ #if defined(__FreeBSD__) && __FreeBSD_version > 500000 - ret = msleep((void *)&dev->lock.lock_queue, &dev->dev_lock, + ret = mtx_sleep((void *)&dev->lock.lock_queue, &dev->dev_lock, PZERO | PCATCH, "drmlk2", 0); #else ret = tsleep((void *)&dev->lock.lock_queue, PZERO | PCATCH, |