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drm/nouveau: interop with new push macros
Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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0a96099691
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2 changed files with 39 additions and 0 deletions
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@ -121,6 +121,31 @@ nouveau_channel_del(struct nouveau_channel **pchan)
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*pchan = NULL;
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}
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static void
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nouveau_channel_kick(struct nvif_push *push)
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{
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struct nouveau_channel *chan = container_of(push, typeof(*chan), chan._push);
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chan->dma.cur = chan->dma.cur + (chan->chan._push.cur - chan->chan._push.bgn);
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FIRE_RING(chan);
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chan->chan._push.bgn = chan->chan._push.cur;
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}
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static int
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nouveau_channel_wait(struct nvif_push *push, u32 size)
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{
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struct nouveau_channel *chan = container_of(push, typeof(*chan), chan._push);
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int ret;
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chan->dma.cur = chan->dma.cur + (chan->chan._push.cur - chan->chan._push.bgn);
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ret = RING_SPACE(chan, size);
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if (ret == 0) {
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chan->chan._push.bgn = chan->chan._push.mem.object.map.ptr;
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chan->chan._push.bgn = chan->chan._push.bgn + chan->dma.cur;
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chan->chan._push.cur = chan->chan._push.bgn;
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chan->chan._push.end = chan->chan._push.bgn + size;
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}
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return ret;
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}
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static int
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nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device,
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u32 size, struct nouveau_channel **pchan)
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@ -158,6 +183,14 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device,
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return ret;
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}
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chan->chan._push.mem.object.parent = cli->base.object.parent;
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chan->chan._push.mem.object.client = &cli->base;
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chan->chan._push.mem.object.name = "chanPush";
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chan->chan._push.mem.object.map.ptr = chan->push.buffer->kmap.virtual;
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chan->chan._push.wait = nouveau_channel_wait;
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chan->chan._push.kick = nouveau_channel_kick;
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chan->chan.push = &chan->chan._push;
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/* create dma object covering the *entire* memory space that the
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* pushbuf lives in, this is because the GEM code requires that
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* we be able to call out to other (indirect) push buffers
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@ -3,9 +3,15 @@
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#define __NOUVEAU_CHAN_H__
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#include <nvif/object.h>
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#include <nvif/notify.h>
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#include <nvif/push.h>
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struct nvif_device;
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struct nouveau_channel {
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struct {
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struct nvif_push _push;
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struct nvif_push *push;
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} chan;
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struct nvif_device *device;
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struct nouveau_drm *drm;
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struct nouveau_vmm *vmm;
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