diff options
author | anholt <anholt@FreeBSD.org> | 2003-04-25 01:18:47 +0000 |
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committer | anholt <anholt@FreeBSD.org> | 2003-04-25 01:18:47 +0000 |
commit | 6afbdfe8ea6944a3f1856cc687cc6ea5e1d09657 (patch) | |
tree | efa3d0f59b543fa0e752db53d7ddd71f5a18e325 /sys/dev/drm/drm_dma.h | |
parent | a521aa5aa4b354de2cb042c0909b4830a4884051 (diff) | |
download | FreeBSD-src-6afbdfe8ea6944a3f1856cc687cc6ea5e1d09657.zip FreeBSD-src-6afbdfe8ea6944a3f1856cc687cc6ea5e1d09657.tar.gz |
Update the DRM to the latest from DRI CVS. Includes some bugfixes and removal
of the infrastructure for the gamma driver which was removed a while back.
The DRM_LINUX option is removed because the handler is now provided by the
linux compat code itself.
Diffstat (limited to 'sys/dev/drm/drm_dma.h')
-rw-r--r-- | sys/dev/drm/drm_dma.h | 352 |
1 files changed, 3 insertions, 349 deletions
diff --git a/sys/dev/drm/drm_dma.h b/sys/dev/drm/drm_dma.h index 7ae0f5e..99cabba 100644 --- a/sys/dev/drm/drm_dma.h +++ b/sys/dev/drm/drm_dma.h @@ -98,9 +98,6 @@ void DRM(dma_takedown)(drm_device_t *dev) dma->bufs[i].buf_count * sizeof(*dma->bufs[0].buflist), DRM_MEM_BUFS); -#if __HAVE_DMA_FREELIST - DRM(freelist_destroy)(&dma->bufs[i].freelist); -#endif } } @@ -120,99 +117,24 @@ void DRM(dma_takedown)(drm_device_t *dev) } -#if __HAVE_DMA_HISTOGRAM -/* This is slow, but is useful for debugging. */ -int DRM(histogram_slot)(unsigned long count) -{ - int value = DRM_DMA_HISTOGRAM_INITIAL; - int slot; - - for (slot = 0; - slot < DRM_DMA_HISTOGRAM_SLOTS; - ++slot, value = DRM_DMA_HISTOGRAM_NEXT(value)) { - if (count < value) return slot; - } - return DRM_DMA_HISTOGRAM_SLOTS - 1; -} - -void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf) -{ - cycles_t queued_to_dispatched; - cycles_t dispatched_to_completed; - cycles_t completed_to_freed; - int q2d, d2c, c2f, q2c, q2f; - - if (buf->time_queued) { - queued_to_dispatched = (buf->time_dispatched - - buf->time_queued); - dispatched_to_completed = (buf->time_completed - - buf->time_dispatched); - completed_to_freed = (buf->time_freed - - buf->time_completed); - - q2d = DRM(histogram_slot)(queued_to_dispatched); - d2c = DRM(histogram_slot)(dispatched_to_completed); - c2f = DRM(histogram_slot)(completed_to_freed); - - q2c = DRM(histogram_slot)(queued_to_dispatched - + dispatched_to_completed); - q2f = DRM(histogram_slot)(queued_to_dispatched - + dispatched_to_completed - + completed_to_freed); - - atomic_inc(&dev->histo.total); - atomic_inc(&dev->histo.queued_to_dispatched[q2d]); - atomic_inc(&dev->histo.dispatched_to_completed[d2c]); - atomic_inc(&dev->histo.completed_to_freed[c2f]); - - atomic_inc(&dev->histo.queued_to_completed[q2c]); - atomic_inc(&dev->histo.queued_to_freed[q2f]); - - } - buf->time_queued = 0; - buf->time_dispatched = 0; - buf->time_completed = 0; - buf->time_freed = 0; -} -#endif - void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf) { if (!buf) return; - buf->waiting = 0; buf->pending = 0; - buf->pid = 0; + buf->filp = NULL; buf->used = 0; -#if __HAVE_DMA_HISTOGRAM - buf->time_completed = get_cycles(); -#endif - - if ( buf->dma_wait ) { - wakeup( (void *)&buf->dma_wait ); - buf->dma_wait = 0; - } -#if __HAVE_DMA_FREELIST - else { - drm_device_dma_t *dma = dev->dma; - /* If processes are waiting, the last one - to wake will put the buffer on the free - list. If no processes are waiting, we - put the buffer on the freelist here. */ - DRM(freelist_put)(dev, &dma->bufs[buf->order].freelist, buf); - } -#endif } #if !__HAVE_DMA_RECLAIM -void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid) +void DRM(reclaim_buffers)(drm_device_t *dev, DRMFILE filp) { drm_device_dma_t *dma = dev->dma; int i; if (!dma) return; for (i = 0; i < dma->buf_count; i++) { - if (dma->buflist[i]->pid == pid) { + if (dma->buflist[i]->filp == filp) { switch (dma->buflist[i]->list) { case DRM_LIST_NONE: DRM(free_buffer)(dev, dma->buflist[i]); @@ -230,271 +152,6 @@ void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid) #endif -/* GH: This is a big hack for now... - */ -#if __HAVE_OLD_DMA - -void DRM(clear_next_buffer)(drm_device_t *dev) -{ - drm_device_dma_t *dma = dev->dma; - - dma->next_buffer = NULL; - if (dma->next_queue && !DRM_BUFCOUNT(&dma->next_queue->waitlist)) { - DRM_WAKEUP_INT(&dma->next_queue->flush_queue); - } - dma->next_queue = NULL; -} - -int DRM(select_queue)(drm_device_t *dev, void (*wrapper)(unsigned long)) -{ - int i; - int candidate = -1; - int j = jiffies; - - if (!dev) { - DRM_ERROR("No device\n"); - return -1; - } - if (!dev->queuelist || !dev->queuelist[DRM_KERNEL_CONTEXT]) { - /* This only happens between the time the - interrupt is initialized and the time - the queues are initialized. */ - return -1; - } - - /* Doing "while locked" DMA? */ - if (DRM_WAITCOUNT(dev, DRM_KERNEL_CONTEXT)) { - return DRM_KERNEL_CONTEXT; - } - - /* If there are buffers on the last_context - queue, and we have not been executing - this context very long, continue to - execute this context. */ - if (dev->last_switch <= j - && dev->last_switch + DRM_TIME_SLICE > j - && DRM_WAITCOUNT(dev, dev->last_context)) { - return dev->last_context; - } - - /* Otherwise, find a candidate */ - for (i = dev->last_checked + 1; i < dev->queue_count; i++) { - if (DRM_WAITCOUNT(dev, i)) { - candidate = dev->last_checked = i; - break; - } - } - - if (candidate < 0) { - for (i = 0; i < dev->queue_count; i++) { - if (DRM_WAITCOUNT(dev, i)) { - candidate = dev->last_checked = i; - break; - } - } - } - - if (wrapper - && candidate >= 0 - && candidate != dev->last_context - && dev->last_switch <= j - && dev->last_switch + DRM_TIME_SLICE > j) { - int s = splclock(); - if (dev->timer.c_time != dev->last_switch + DRM_TIME_SLICE) { - callout_reset(&dev->timer, - dev->last_switch + DRM_TIME_SLICE - j, - (void (*)(void *))wrapper, - dev); - } - splx(s); - return -1; - } - - return candidate; -} - - -int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *d) -{ - int i; - drm_queue_t *q; - drm_buf_t *buf; - int idx; - int while_locked = 0; - drm_device_dma_t *dma = dev->dma; - int error; - - DRM_DEBUG("%d\n", d->send_count); - - if (d->flags & _DRM_DMA_WHILE_LOCKED) { - int context = dev->lock.hw_lock->lock; - - if (!_DRM_LOCK_IS_HELD(context)) { - DRM_ERROR("No lock held during \"while locked\"" - " request\n"); - return DRM_ERR(EINVAL); - } - if (d->context != _DRM_LOCKING_CONTEXT(context) - && _DRM_LOCKING_CONTEXT(context) != DRM_KERNEL_CONTEXT) { - DRM_ERROR("Lock held by %d while %d makes" - " \"while locked\" request\n", - _DRM_LOCKING_CONTEXT(context), - d->context); - return DRM_ERR(EINVAL); - } - q = dev->queuelist[DRM_KERNEL_CONTEXT]; - while_locked = 1; - } else { - q = dev->queuelist[d->context]; - } - - - atomic_inc(&q->use_count); - if (atomic_read(&q->block_write)) { - atomic_inc(&q->block_count); - for (;;) { - if (!atomic_read(&q->block_write)) break; - error = tsleep(&q->block_write, PZERO|PCATCH, - "dmawr", 0); - if (error) { - atomic_dec(&q->use_count); - return error; - } - } - atomic_dec(&q->block_count); - } - - for (i = 0; i < d->send_count; i++) { - idx = d->send_indices[i]; - if (idx < 0 || idx >= dma->buf_count) { - atomic_dec(&q->use_count); - DRM_ERROR("Index %d (of %d max)\n", - d->send_indices[i], dma->buf_count - 1); - return DRM_ERR(EINVAL); - } - buf = dma->buflist[ idx ]; - if (buf->pid != DRM_CURRENTPID) { - atomic_dec(&q->use_count); - DRM_ERROR("Process %d using buffer owned by %d\n", - DRM_CURRENTPID, buf->pid); - return DRM_ERR(EINVAL); - } - if (buf->list != DRM_LIST_NONE) { - atomic_dec(&q->use_count); - DRM_ERROR("Process %d using buffer %d on list %d\n", - DRM_CURRENTPID, buf->idx, buf->list); - } - buf->used = d->send_sizes[i]; - buf->while_locked = while_locked; - buf->context = d->context; - if (!buf->used) { - DRM_ERROR("Queueing 0 length buffer\n"); - } - if (buf->pending) { - atomic_dec(&q->use_count); - DRM_ERROR("Queueing pending buffer:" - " buffer %d, offset %d\n", - d->send_indices[i], i); - return DRM_ERR(EINVAL); - } - if (buf->waiting) { - atomic_dec(&q->use_count); - DRM_ERROR("Queueing waiting buffer:" - " buffer %d, offset %d\n", - d->send_indices[i], i); - return DRM_ERR(EINVAL); - } - buf->waiting = 1; - if (atomic_read(&q->use_count) == 1 - || atomic_read(&q->finalization)) { - DRM(free_buffer)(dev, buf); - } else { - DRM(waitlist_put)(&q->waitlist, buf); - atomic_inc(&q->total_queued); - } - } - atomic_dec(&q->use_count); - - return 0; -} - -static int DRM(dma_get_buffers_of_order)(drm_device_t *dev, drm_dma_t *d, - int order) -{ - int i; - drm_buf_t *buf; - drm_device_dma_t *dma = dev->dma; - - for (i = d->granted_count; i < d->request_count; i++) { - buf = DRM(freelist_get)(&dma->bufs[order].freelist, - d->flags & _DRM_DMA_WAIT); - if (!buf) break; - if (buf->pending || buf->waiting) { - DRM_ERROR("Free buffer %d in use by %d (w%d, p%d)\n", - buf->idx, - buf->pid, - buf->waiting, - buf->pending); - } - buf->pid = DRM_CURRENTPID; - if (DRM_COPY_TO_USER(&d->request_indices[i], - &buf->idx, - sizeof(buf->idx))) - return DRM_ERR(EFAULT); - - if (DRM_COPY_TO_USER(&d->request_sizes[i], - &buf->total, - sizeof(buf->total))) - return DRM_ERR(EFAULT); - - ++d->granted_count; - } - return 0; -} - - -int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma) -{ - int order; - int retcode = 0; - int tmp_order; - - order = DRM(order)(dma->request_size); - - dma->granted_count = 0; - retcode = DRM(dma_get_buffers_of_order)(dev, dma, order); - - if (dma->granted_count < dma->request_count - && (dma->flags & _DRM_DMA_SMALLER_OK)) { - for (tmp_order = order - 1; - !retcode - && dma->granted_count < dma->request_count - && tmp_order >= DRM_MIN_ORDER; - --tmp_order) { - - retcode = DRM(dma_get_buffers_of_order)(dev, dma, - tmp_order); - } - } - - if (dma->granted_count < dma->request_count - && (dma->flags & _DRM_DMA_LARGER_OK)) { - for (tmp_order = order + 1; - !retcode - && dma->granted_count < dma->request_count - && tmp_order <= DRM_MAX_ORDER; - ++tmp_order) { - - retcode = DRM(dma_get_buffers_of_order)(dev, dma, - tmp_order); - } - } - return 0; -} - -#endif /* __HAVE_OLD_DMA */ - - #if __HAVE_DMA_IRQ int DRM(irq_install)( drm_device_t *dev, int irq ) @@ -515,11 +172,8 @@ int DRM(irq_install)( drm_device_t *dev, int irq ) DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, irq ); dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; dev->dma->next_buffer = NULL; - dev->dma->next_queue = NULL; dev->dma->this_buffer = NULL; #if __HAVE_DMA_IRQ_BH |