summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nouveau_channel.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_channel.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_channel.c93
1 files changed, 37 insertions, 56 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
index 9aaa972f8822..6dfb425cbae9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_channel.c
+++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
@@ -35,22 +35,27 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_bo *pb = chan->pushbuf_bo;
struct nouveau_gpuobj *pushbuf = NULL;
- uint32_t start = pb->bo.mem.mm_node->start << PAGE_SHIFT;
int ret;
+ if (dev_priv->card_type >= NV_50) {
+ ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, 0,
+ dev_priv->vm_end, NV_DMA_ACCESS_RO,
+ NV_DMA_TARGET_AGP, &pushbuf);
+ chan->pushbuf_base = pb->bo.offset;
+ } else
if (pb->bo.mem.mem_type == TTM_PL_TT) {
ret = nouveau_gpuobj_gart_dma_new(chan, 0,
dev_priv->gart_info.aper_size,
NV_DMA_ACCESS_RO, &pushbuf,
NULL);
- chan->pushbuf_base = start;
+ chan->pushbuf_base = pb->bo.mem.mm_node->start << PAGE_SHIFT;
} else
if (dev_priv->card_type != NV_04) {
ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, 0,
dev_priv->fb_available_size,
NV_DMA_ACCESS_RO,
NV_DMA_TARGET_VIDMEM, &pushbuf);
- chan->pushbuf_base = start;
+ chan->pushbuf_base = pb->bo.mem.mm_node->start << PAGE_SHIFT;
} else {
/* NV04 cmdbuf hack, from original ddx.. not sure of it's
* exact reason for existing :) PCI access to cmdbuf in
@@ -61,7 +66,7 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
dev_priv->fb_available_size,
NV_DMA_ACCESS_RO,
NV_DMA_TARGET_PCI, &pushbuf);
- chan->pushbuf_base = start;
+ chan->pushbuf_base = pb->bo.mem.mm_node->start << PAGE_SHIFT;
}
ret = nouveau_gpuobj_ref_add(dev, chan, 0, pushbuf, &chan->pushbuf);
@@ -158,6 +163,8 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret,
return ret;
}
+ nouveau_dma_pre_init(chan);
+
/* Locate channel's user control regs */
if (dev_priv->card_type < NV_40)
user = NV03_USER(channel);
@@ -235,47 +242,6 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret,
return 0;
}
-int
-nouveau_channel_idle(struct nouveau_channel *chan)
-{
- struct drm_device *dev = chan->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_engine *engine = &dev_priv->engine;
- uint32_t caches;
- int idle;
-
- if (!chan) {
- NV_ERROR(dev, "no channel...\n");
- return 1;
- }
-
- caches = nv_rd32(dev, NV03_PFIFO_CACHES);
- nv_wr32(dev, NV03_PFIFO_CACHES, caches & ~1);
-
- if (engine->fifo.channel_id(dev) != chan->id) {
- struct nouveau_gpuobj *ramfc =
- chan->ramfc ? chan->ramfc->gpuobj : NULL;
-
- if (!ramfc) {
- NV_ERROR(dev, "No RAMFC for channel %d\n", chan->id);
- return 1;
- }
-
- engine->instmem.prepare_access(dev, false);
- if (nv_ro32(dev, ramfc, 0) != nv_ro32(dev, ramfc, 1))
- idle = 0;
- else
- idle = 1;
- engine->instmem.finish_access(dev);
- } else {
- idle = (nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_GET) ==
- nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUT));
- }
-
- nv_wr32(dev, NV03_PFIFO_CACHES, caches);
- return idle;
-}
-
/* stops a fifo */
void
nouveau_channel_free(struct nouveau_channel *chan)
@@ -314,15 +280,23 @@ nouveau_channel_free(struct nouveau_channel *chan)
*/
nouveau_fence_fini(chan);
- /* Ensure the channel is no longer active on the GPU */
+ /* This will prevent pfifo from switching channels. */
pfifo->reassign(dev, false);
- if (pgraph->channel(dev) == chan) {
- pgraph->fifo_access(dev, false);
+ /* We want to give pgraph a chance to idle and get rid of all potential
+ * errors. We need to do this before the lock, otherwise the irq handler
+ * is unable to process them.
+ */
+ if (pgraph->channel(dev) == chan)
+ nouveau_wait_for_idle(dev);
+
+ spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+
+ pgraph->fifo_access(dev, false);
+ if (pgraph->channel(dev) == chan)
pgraph->unload_context(dev);
- pgraph->fifo_access(dev, true);
- }
pgraph->destroy_context(chan);
+ pgraph->fifo_access(dev, true);
if (pfifo->channel_id(dev) == chan->id) {
pfifo->disable(dev);
@@ -333,6 +307,8 @@ nouveau_channel_free(struct nouveau_channel *chan)
pfifo->reassign(dev, true);
+ spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
+
/* Release the channel's resources */
nouveau_gpuobj_ref_del(dev, &chan->pushbuf);
if (chan->pushbuf_bo) {
@@ -409,12 +385,22 @@ nouveau_ioctl_fifo_alloc(struct drm_device *dev, void *data,
return ret;
init->channel = chan->id;
+ if (chan->dma.ib_max)
+ init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
+ NOUVEAU_GEM_DOMAIN_GART;
+ else if (chan->pushbuf_bo->bo.mem.mem_type == TTM_PL_VRAM)
+ init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
+ else
+ init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
+
init->subchan[0].handle = NvM2MF;
if (dev_priv->card_type < NV_50)
init->subchan[0].grclass = 0x0039;
else
init->subchan[0].grclass = 0x5039;
- init->nr_subchan = 1;
+ init->subchan[1].handle = NvSw;
+ init->subchan[1].grclass = NV_SW;
+ init->nr_subchan = 2;
/* Named memory object area */
ret = drm_gem_handle_create(file_priv, chan->notifier_bo->gem,
@@ -446,7 +432,6 @@ nouveau_ioctl_fifo_free(struct drm_device *dev, void *data,
***********************************/
struct drm_ioctl_desc nouveau_ioctls[] = {
- DRM_IOCTL_DEF(DRM_NOUVEAU_CARD_INIT, nouveau_ioctl_card_init, DRM_AUTH),
DRM_IOCTL_DEF(DRM_NOUVEAU_GETPARAM, nouveau_ioctl_getparam, DRM_AUTH),
DRM_IOCTL_DEF(DRM_NOUVEAU_SETPARAM, nouveau_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_NOUVEAU_CHANNEL_ALLOC, nouveau_ioctl_fifo_alloc, DRM_AUTH),
@@ -456,13 +441,9 @@ struct drm_ioctl_desc nouveau_ioctls[] = {
DRM_IOCTL_DEF(DRM_NOUVEAU_GPUOBJ_FREE, nouveau_ioctl_gpuobj_free, DRM_AUTH),
DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH),
DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PUSHBUF_CALL, nouveau_gem_ioctl_pushbuf_call, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PIN, nouveau_gem_ioctl_pin, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_UNPIN, nouveau_gem_ioctl_unpin, DRM_AUTH),
DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH),
DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH),
DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PUSHBUF_CALL2, nouveau_gem_ioctl_pushbuf_call2, DRM_AUTH),
};
int nouveau_max_ioctl = DRM_ARRAY_SIZE(nouveau_ioctls);
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-11 17:48:34 +0200