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path: root/drivers/gpu/drm/nouveau/nouveau_object.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_object.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_object.c776
1 files changed, 253 insertions, 523 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
index b6bcb254f4a..896cf863414 100644
--- a/drivers/gpu/drm/nouveau/nouveau_object.c
+++ b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -34,6 +34,7 @@
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"
+#include "nouveau_ramht.h"
/* NVidia uses context objects to drive drawing operations.
@@ -65,137 +66,6 @@
The key into the hash table depends on the object handle and channel id and
is given as:
*/
-static uint32_t
-nouveau_ramht_hash_handle(struct drm_device *dev, int channel, uint32_t handle)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t hash = 0;
- int i;
-
- NV_DEBUG(dev, "ch%d handle=0x%08x\n", channel, handle);
-
- for (i = 32; i > 0; i -= dev_priv->ramht_bits) {
- hash ^= (handle & ((1 << dev_priv->ramht_bits) - 1));
- handle >>= dev_priv->ramht_bits;
- }
-
- if (dev_priv->card_type < NV_50)
- hash ^= channel << (dev_priv->ramht_bits - 4);
- hash <<= 3;
-
- NV_DEBUG(dev, "hash=0x%08x\n", hash);
- return hash;
-}
-
-static int
-nouveau_ramht_entry_valid(struct drm_device *dev, struct nouveau_gpuobj *ramht,
- uint32_t offset)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t ctx = nv_ro32(dev, ramht, (offset + 4)/4);
-
- if (dev_priv->card_type < NV_40)
- return ((ctx & NV_RAMHT_CONTEXT_VALID) != 0);
- return (ctx != 0);
-}
-
-static int
-nouveau_ramht_insert(struct drm_device *dev, struct nouveau_gpuobj_ref *ref)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem;
- struct nouveau_channel *chan = ref->channel;
- struct nouveau_gpuobj *ramht = chan->ramht ? chan->ramht->gpuobj : NULL;
- uint32_t ctx, co, ho;
-
- if (!ramht) {
- NV_ERROR(dev, "No hash table!\n");
- return -EINVAL;
- }
-
- if (dev_priv->card_type < NV_40) {
- ctx = NV_RAMHT_CONTEXT_VALID | (ref->instance >> 4) |
- (chan->id << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) |
- (ref->gpuobj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT);
- } else
- if (dev_priv->card_type < NV_50) {
- ctx = (ref->instance >> 4) |
- (chan->id << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) |
- (ref->gpuobj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT);
- } else {
- if (ref->gpuobj->engine == NVOBJ_ENGINE_DISPLAY) {
- ctx = (ref->instance << 10) | 2;
- } else {
- ctx = (ref->instance >> 4) |
- ((ref->gpuobj->engine <<
- NV40_RAMHT_CONTEXT_ENGINE_SHIFT));
- }
- }
-
- co = ho = nouveau_ramht_hash_handle(dev, chan->id, ref->handle);
- do {
- if (!nouveau_ramht_entry_valid(dev, ramht, co)) {
- NV_DEBUG(dev,
- "insert ch%d 0x%08x: h=0x%08x, c=0x%08x\n",
- chan->id, co, ref->handle, ctx);
- nv_wo32(dev, ramht, (co + 0)/4, ref->handle);
- nv_wo32(dev, ramht, (co + 4)/4, ctx);
-
- list_add_tail(&ref->list, &chan->ramht_refs);
- instmem->flush(dev);
- return 0;
- }
- NV_DEBUG(dev, "collision ch%d 0x%08x: h=0x%08x\n",
- chan->id, co, nv_ro32(dev, ramht, co/4));
-
- co += 8;
- if (co >= dev_priv->ramht_size)
- co = 0;
- } while (co != ho);
-
- NV_ERROR(dev, "RAMHT space exhausted. ch=%d\n", chan->id);
- return -ENOMEM;
-}
-
-static void
-nouveau_ramht_remove(struct drm_device *dev, struct nouveau_gpuobj_ref *ref)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem;
- struct nouveau_channel *chan = ref->channel;
- struct nouveau_gpuobj *ramht = chan->ramht ? chan->ramht->gpuobj : NULL;
- uint32_t co, ho;
-
- if (!ramht) {
- NV_ERROR(dev, "No hash table!\n");
- return;
- }
-
- co = ho = nouveau_ramht_hash_handle(dev, chan->id, ref->handle);
- do {
- if (nouveau_ramht_entry_valid(dev, ramht, co) &&
- (ref->handle == nv_ro32(dev, ramht, (co/4)))) {
- NV_DEBUG(dev,
- "remove ch%d 0x%08x: h=0x%08x, c=0x%08x\n",
- chan->id, co, ref->handle,
- nv_ro32(dev, ramht, (co + 4)));
- nv_wo32(dev, ramht, (co + 0)/4, 0x00000000);
- nv_wo32(dev, ramht, (co + 4)/4, 0x00000000);
-
- list_del(&ref->list);
- instmem->flush(dev);
- return;
- }
-
- co += 8;
- if (co >= dev_priv->ramht_size)
- co = 0;
- } while (co != ho);
- list_del(&ref->list);
-
- NV_ERROR(dev, "RAMHT entry not found. ch=%d, handle=0x%08x\n",
- chan->id, ref->handle);
-}
int
nouveau_gpuobj_new(struct drm_device *dev, struct nouveau_channel *chan,
@@ -205,7 +75,7 @@ nouveau_gpuobj_new(struct drm_device *dev, struct nouveau_channel *chan,
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
struct nouveau_gpuobj *gpuobj;
- struct drm_mm *pramin = NULL;
+ struct drm_mm_node *ramin = NULL;
int ret;
NV_DEBUG(dev, "ch%d size=%u align=%d flags=0x%08x\n",
@@ -218,69 +88,102 @@ nouveau_gpuobj_new(struct drm_device *dev, struct nouveau_channel *chan,
if (!gpuobj)
return -ENOMEM;
NV_DEBUG(dev, "gpuobj %p\n", gpuobj);
+ gpuobj->dev = dev;
gpuobj->flags = flags;
- gpuobj->im_channel = chan;
+ kref_init(&gpuobj->refcount);
+ gpuobj->size = size;
+ spin_lock(&dev_priv->ramin_lock);
list_add_tail(&gpuobj->list, &dev_priv->gpuobj_list);
+ spin_unlock(&dev_priv->ramin_lock);
- /* Choose between global instmem heap, and per-channel private
- * instmem heap. On <NV50 allow requests for private instmem
- * to be satisfied from global heap if no per-channel area
- * available.
- */
if (chan) {
NV_DEBUG(dev, "channel heap\n");
- pramin = &chan->ramin_heap;
+
+ ramin = drm_mm_search_free(&chan->ramin_heap, size, align, 0);
+ if (ramin)
+ ramin = drm_mm_get_block(ramin, size, align);
+
+ if (!ramin) {
+ nouveau_gpuobj_ref(NULL, &gpuobj);
+ return -ENOMEM;
+ }
} else {
NV_DEBUG(dev, "global heap\n");
- pramin = &dev_priv->ramin_heap;
+ /* allocate backing pages, sets vinst */
ret = engine->instmem.populate(dev, gpuobj, &size);
if (ret) {
- nouveau_gpuobj_del(dev, &gpuobj);
+ nouveau_gpuobj_ref(NULL, &gpuobj);
return ret;
}
- }
- /* Allocate a chunk of the PRAMIN aperture */
- gpuobj->im_pramin = drm_mm_search_free(pramin, size, align, 0);
- if (gpuobj->im_pramin)
- gpuobj->im_pramin = drm_mm_get_block(gpuobj->im_pramin, size, align);
+ /* try and get aperture space */
+ do {
+ if (drm_mm_pre_get(&dev_priv->ramin_heap))
+ return -ENOMEM;
+
+ spin_lock(&dev_priv->ramin_lock);
+ ramin = drm_mm_search_free(&dev_priv->ramin_heap, size,
+ align, 0);
+ if (ramin == NULL) {
+ spin_unlock(&dev_priv->ramin_lock);
+ nouveau_gpuobj_ref(NULL, &gpuobj);
+ return ret;
+ }
- if (!gpuobj->im_pramin) {
- nouveau_gpuobj_del(dev, &gpuobj);
- return -ENOMEM;
+ ramin = drm_mm_get_block_atomic(ramin, size, align);
+ spin_unlock(&dev_priv->ramin_lock);
+ } while (ramin == NULL);
+
+ /* on nv50 it's ok to fail, we have a fallback path */
+ if (!ramin && dev_priv->card_type < NV_50) {
+ nouveau_gpuobj_ref(NULL, &gpuobj);
+ return -ENOMEM;
+ }
}
- if (!chan) {
+ /* if we got a chunk of the aperture, map pages into it */
+ gpuobj->im_pramin = ramin;
+ if (!chan && gpuobj->im_pramin && dev_priv->ramin_available) {
ret = engine->instmem.bind(dev, gpuobj);
if (ret) {
- nouveau_gpuobj_del(dev, &gpuobj);
+ nouveau_gpuobj_ref(NULL, &gpuobj);
return ret;
}
}
+ /* calculate the various different addresses for the object */
+ if (chan) {
+ gpuobj->pinst = chan->ramin->pinst;
+ if (gpuobj->pinst != ~0)
+ gpuobj->pinst += gpuobj->im_pramin->start;
+
+ if (dev_priv->card_type < NV_50) {
+ gpuobj->cinst = gpuobj->pinst;
+ } else {
+ gpuobj->cinst = gpuobj->im_pramin->start;
+ gpuobj->vinst = gpuobj->im_pramin->start +
+ chan->ramin->vinst;
+ }
+ } else {
+ if (gpuobj->im_pramin)
+ gpuobj->pinst = gpuobj->im_pramin->start;
+ else
+ gpuobj->pinst = ~0;
+ gpuobj->cinst = 0xdeadbeef;
+ }
+
if (gpuobj->flags & NVOBJ_FLAG_ZERO_ALLOC) {
int i;
- for (i = 0; i < gpuobj->im_pramin->size; i += 4)
- nv_wo32(dev, gpuobj, i/4, 0);
+ for (i = 0; i < gpuobj->size; i += 4)
+ nv_wo32(gpuobj, i, 0);
engine->instmem.flush(dev);
}
- *gpuobj_ret = gpuobj;
- return 0;
-}
-
-int
-nouveau_gpuobj_early_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- NV_DEBUG(dev, "\n");
-
- INIT_LIST_HEAD(&dev_priv->gpuobj_list);
+ *gpuobj_ret = gpuobj;
return 0;
}
@@ -288,18 +191,12 @@ int
nouveau_gpuobj_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- int ret;
NV_DEBUG(dev, "\n");
- if (dev_priv->card_type < NV_50) {
- ret = nouveau_gpuobj_new_fake(dev,
- dev_priv->ramht_offset, ~0, dev_priv->ramht_size,
- NVOBJ_FLAG_ZERO_ALLOC | NVOBJ_FLAG_ALLOW_NO_REFS,
- &dev_priv->ramht, NULL);
- if (ret)
- return ret;
- }
+ INIT_LIST_HEAD(&dev_priv->gpuobj_list);
+ spin_lock_init(&dev_priv->ramin_lock);
+ dev_priv->ramin_base = ~0;
return 0;
}
@@ -311,297 +208,89 @@ nouveau_gpuobj_takedown(struct drm_device *dev)
NV_DEBUG(dev, "\n");
- nouveau_gpuobj_del(dev, &dev_priv->ramht);
+ BUG_ON(!list_empty(&dev_priv->gpuobj_list));
}
-void
-nouveau_gpuobj_late_takedown(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj *gpuobj = NULL;
- struct list_head *entry, *tmp;
-
- NV_DEBUG(dev, "\n");
-
- list_for_each_safe(entry, tmp, &dev_priv->gpuobj_list) {
- gpuobj = list_entry(entry, struct nouveau_gpuobj, list);
-
- NV_ERROR(dev, "gpuobj %p still exists at takedown, refs=%d\n",
- gpuobj, gpuobj->refcount);
- gpuobj->refcount = 0;
- nouveau_gpuobj_del(dev, &gpuobj);
- }
-}
-int
-nouveau_gpuobj_del(struct drm_device *dev, struct nouveau_gpuobj **pgpuobj)
+static void
+nouveau_gpuobj_del(struct kref *ref)
{
+ struct nouveau_gpuobj *gpuobj =
+ container_of(ref, struct nouveau_gpuobj, refcount);
+ struct drm_device *dev = gpuobj->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
- struct nouveau_gpuobj *gpuobj;
int i;
- NV_DEBUG(dev, "gpuobj %p\n", pgpuobj ? *pgpuobj : NULL);
-
- if (!dev_priv || !pgpuobj || !(*pgpuobj))
- return -EINVAL;
- gpuobj = *pgpuobj;
-
- if (gpuobj->refcount != 0) {
- NV_ERROR(dev, "gpuobj refcount is %d\n", gpuobj->refcount);
- return -EINVAL;
- }
+ NV_DEBUG(dev, "gpuobj %p\n", gpuobj);
if (gpuobj->im_pramin && (gpuobj->flags & NVOBJ_FLAG_ZERO_FREE)) {
- for (i = 0; i < gpuobj->im_pramin->size; i += 4)
- nv_wo32(dev, gpuobj, i/4, 0);
+ for (i = 0; i < gpuobj->size; i += 4)
+ nv_wo32(gpuobj, i, 0);
engine->instmem.flush(dev);
}
if (gpuobj->dtor)
gpuobj->dtor(dev, gpuobj);
- if (gpuobj->im_backing && !(gpuobj->flags & NVOBJ_FLAG_FAKE))
+ if (gpuobj->im_backing)
engine->instmem.clear(dev, gpuobj);
- if (gpuobj->im_pramin) {
- if (gpuobj->flags & NVOBJ_FLAG_FAKE)
- kfree(gpuobj->im_pramin);
- else
- drm_mm_put_block(gpuobj->im_pramin);
- }
-
+ spin_lock(&dev_priv->ramin_lock);
+ if (gpuobj->im_pramin)
+ drm_mm_put_block(gpuobj->im_pramin);
list_del(&gpuobj->list);
+ spin_unlock(&dev_priv->ramin_lock);
- *pgpuobj = NULL;
kfree(gpuobj);
- return 0;
}
-static int
-nouveau_gpuobj_instance_get(struct drm_device *dev,
- struct nouveau_channel *chan,
- struct nouveau_gpuobj *gpuobj, uint32_t *inst)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj *cpramin;
-
- /* <NV50 use PRAMIN address everywhere */
- if (dev_priv->card_type < NV_50) {
- *inst = gpuobj->im_pramin->start;
- return 0;
- }
-
- if (chan && gpuobj->im_channel != chan) {
- NV_ERROR(dev, "Channel mismatch: obj %d, ref %d\n",
- gpuobj->im_channel->id, chan->id);
- return -EINVAL;
- }
-
- /* NV50 channel-local instance */
- if (chan) {
- cpramin = chan->ramin->gpuobj;
- *inst = gpuobj->im_pramin->start - cpramin->im_pramin->start;
- return 0;
- }
-
- /* NV50 global (VRAM) instance */
- if (!gpuobj->im_channel) {
- /* ...from global heap */
- if (!gpuobj->im_backing) {
- NV_ERROR(dev, "AII, no VRAM backing gpuobj\n");
- return -EINVAL;
- }
- *inst = gpuobj->im_backing_start;
- return 0;
- } else {
- /* ...from local heap */
- cpramin = gpuobj->im_channel->ramin->gpuobj;
- *inst = cpramin->im_backing_start +
- (gpuobj->im_pramin->start - cpramin->im_pramin->start);
- return 0;
- }
-
- return -EINVAL;
-}
-
-int
-nouveau_gpuobj_ref_add(struct drm_device *dev, struct nouveau_channel *chan,
- uint32_t handle, struct nouveau_gpuobj *gpuobj,
- struct nouveau_gpuobj_ref **ref_ret)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj_ref *ref;
- uint32_t instance;
- int ret;
-
- NV_DEBUG(dev, "ch%d h=0x%08x gpuobj=%p\n",
- chan ? chan->id : -1, handle, gpuobj);
-
- if (!dev_priv || !gpuobj || (ref_ret && *ref_ret != NULL))
- return -EINVAL;
-
- if (!chan && !ref_ret)
- return -EINVAL;
-
- if (gpuobj->engine == NVOBJ_ENGINE_SW && !gpuobj->im_pramin) {
- /* sw object */
- instance = 0x40;
- } else {
- ret = nouveau_gpuobj_instance_get(dev, chan, gpuobj, &instance);
- if (ret)
- return ret;
- }
-
- ref = kzalloc(sizeof(*ref), GFP_KERNEL);
- if (!ref)
- return -ENOMEM;
- INIT_LIST_HEAD(&ref->list);
- ref->gpuobj = gpuobj;
- ref->channel = chan;
- ref->instance = instance;
-
- if (!ref_ret) {
- ref->handle = handle;
-
- ret = nouveau_ramht_insert(dev, ref);
- if (ret) {
- kfree(ref);
- return ret;
- }
- } else {
- ref->handle = ~0;
- *ref_ret = ref;
- }
-
- ref->gpuobj->refcount++;
- return 0;
-}
-
-int nouveau_gpuobj_ref_del(struct drm_device *dev, struct nouveau_gpuobj_ref **pref)
-{
- struct nouveau_gpuobj_ref *ref;
-
- NV_DEBUG(dev, "ref %p\n", pref ? *pref : NULL);
-
- if (!dev || !pref || *pref == NULL)
- return -EINVAL;
- ref = *pref;
-
- if (ref->handle != ~0)
- nouveau_ramht_remove(dev, ref);
-
- if (ref->gpuobj) {
- ref->gpuobj->refcount--;
-
- if (ref->gpuobj->refcount == 0) {
- if (!(ref->gpuobj->flags & NVOBJ_FLAG_ALLOW_NO_REFS))
- nouveau_gpuobj_del(dev, &ref->gpuobj);
- }
- }
-
- *pref = NULL;
- kfree(ref);
- return 0;
-}
-
-int
-nouveau_gpuobj_new_ref(struct drm_device *dev,
- struct nouveau_channel *oc, struct nouveau_channel *rc,
- uint32_t handle, uint32_t size, int align,
- uint32_t flags, struct nouveau_gpuobj_ref **ref)
-{
- struct nouveau_gpuobj *gpuobj = NULL;
- int ret;
-
- ret = nouveau_gpuobj_new(dev, oc, size, align, flags, &gpuobj);
- if (ret)
- return ret;
-
- ret = nouveau_gpuobj_ref_add(dev, rc, handle, gpuobj, ref);
- if (ret) {
- nouveau_gpuobj_del(dev, &gpuobj);
- return ret;
- }
-
- return 0;
-}
-
-int
-nouveau_gpuobj_ref_find(struct nouveau_channel *chan, uint32_t handle,
- struct nouveau_gpuobj_ref **ref_ret)
+void
+nouveau_gpuobj_ref(struct nouveau_gpuobj *ref, struct nouveau_gpuobj **ptr)
{
- struct nouveau_gpuobj_ref *ref;
- struct list_head *entry, *tmp;
-
- list_for_each_safe(entry, tmp, &chan->ramht_refs) {
- ref = list_entry(entry, struct nouveau_gpuobj_ref, list);
+ if (ref)
+ kref_get(&ref->refcount);
- if (ref->handle == handle) {
- if (ref_ret)
- *ref_ret = ref;
- return 0;
- }
- }
+ if (*ptr)
+ kref_put(&(*ptr)->refcount, nouveau_gpuobj_del);
- return -EINVAL;
+ *ptr = ref;
}
int
-nouveau_gpuobj_new_fake(struct drm_device *dev, uint32_t p_offset,
- uint32_t b_offset, uint32_t size,
- uint32_t flags, struct nouveau_gpuobj **pgpuobj,
- struct nouveau_gpuobj_ref **pref)
+nouveau_gpuobj_new_fake(struct drm_device *dev, u32 pinst, u64 vinst,
+ u32 size, u32 flags, struct nouveau_gpuobj **pgpuobj)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *gpuobj = NULL;
int i;
NV_DEBUG(dev,
- "p_offset=0x%08x b_offset=0x%08x size=0x%08x flags=0x%08x\n",
- p_offset, b_offset, size, flags);
+ "pinst=0x%08x vinst=0x%010llx size=0x%08x flags=0x%08x\n",
+ pinst, vinst, size, flags);
gpuobj = kzalloc(sizeof(*gpuobj), GFP_KERNEL);
if (!gpuobj)
return -ENOMEM;
NV_DEBUG(dev, "gpuobj %p\n", gpuobj);
- gpuobj->im_channel = NULL;
- gpuobj->flags = flags | NVOBJ_FLAG_FAKE;
-
- list_add_tail(&gpuobj->list, &dev_priv->gpuobj_list);
-
- if (p_offset != ~0) {
- gpuobj->im_pramin = kzalloc(sizeof(struct drm_mm_node),
- GFP_KERNEL);
- if (!gpuobj->im_pramin) {
- nouveau_gpuobj_del(dev, &gpuobj);
- return -ENOMEM;
- }
- gpuobj->im_pramin->start = p_offset;
- gpuobj->im_pramin->size = size;
- }
-
- if (b_offset != ~0) {
- gpuobj->im_backing = (struct nouveau_bo *)-1;
- gpuobj->im_backing_start = b_offset;
- }
+ gpuobj->dev = dev;
+ gpuobj->flags = flags;
+ kref_init(&gpuobj->refcount);
+ gpuobj->size = size;
+ gpuobj->pinst = pinst;
+ gpuobj->cinst = 0xdeadbeef;
+ gpuobj->vinst = vinst;
if (gpuobj->flags & NVOBJ_FLAG_ZERO_ALLOC) {
- for (i = 0; i < gpuobj->im_pramin->size; i += 4)
- nv_wo32(dev, gpuobj, i/4, 0);
+ for (i = 0; i < gpuobj->size; i += 4)
+ nv_wo32(gpuobj, i, 0);
dev_priv->engine.instmem.flush(dev);
}
- if (pref) {
- i = nouveau_gpuobj_ref_add(dev, NULL, 0, gpuobj, pref);
- if (i) {
- nouveau_gpuobj_del(dev, &gpuobj);
- return i;
- }
- }
-
- if (pgpuobj)
- *pgpuobj = gpuobj;
+ spin_lock(&dev_priv->ramin_lock);
+ list_add_tail(&gpuobj->list, &dev_priv->gpuobj_list);
+ spin_unlock(&dev_priv->ramin_lock);
+ *pgpuobj = gpuobj;
return 0;
}
@@ -685,14 +374,12 @@ nouveau_gpuobj_dma_new(struct nouveau_channel *chan, int class,
adjust = offset & 0x00000fff;
frame = offset & ~0x00000fff;
- nv_wo32(dev, *gpuobj, 0, ((1<<12) | (1<<13) |
- (adjust << 20) |
- (access << 14) |
- (target << 16) |
- class));
- nv_wo32(dev, *gpuobj, 1, size - 1);
- nv_wo32(dev, *gpuobj, 2, frame | pte_flags);
- nv_wo32(dev, *gpuobj, 3, frame | pte_flags);
+ nv_wo32(*gpuobj, 0, ((1<<12) | (1<<13) | (adjust << 20) |
+ (access << 14) | (target << 16) |
+ class));
+ nv_wo32(*gpuobj, 4, size - 1);
+ nv_wo32(*gpuobj, 8, frame | pte_flags);
+ nv_wo32(*gpuobj, 12, frame | pte_flags);
} else {
uint64_t limit = offset + size - 1;
uint32_t flags0, flags5;
@@ -705,12 +392,12 @@ nouveau_gpuobj_dma_new(struct nouveau_channel *chan, int class,
flags5 = 0x00080000;
}
- nv_wo32(dev, *gpuobj, 0, flags0 | class);
- nv_wo32(dev, *gpuobj, 1, lower_32_bits(limit));
- nv_wo32(dev, *gpuobj, 2, lower_32_bits(offset));
- nv_wo32(dev, *gpuobj, 3, ((upper_32_bits(limit) & 0xff) << 24) |
- (upper_32_bits(offset) & 0xff));
- nv_wo32(dev, *gpuobj, 5, flags5);
+ nv_wo32(*gpuobj, 0, flags0 | class);
+ nv_wo32(*gpuobj, 4, lower_32_bits(limit));
+ nv_wo32(*gpuobj, 8, lower_32_bits(offset));
+ nv_wo32(*gpuobj, 12, ((upper_32_bits(limit) & 0xff) << 24) |
+ (upper_32_bits(offset) & 0xff));
+ nv_wo32(*gpuobj, 20, flags5);
}
instmem->flush(dev);
@@ -741,7 +428,7 @@ nouveau_gpuobj_gart_dma_new(struct nouveau_channel *chan,
*o_ret = 0;
} else
if (dev_priv->gart_info.type == NOUVEAU_GART_SGDMA) {
- *gpuobj = dev_priv->gart_info.sg_ctxdma;
+ nouveau_gpuobj_ref(dev_priv->gart_info.sg_ctxdma, gpuobj);
if (offset & ~0xffffffffULL) {
NV_ERROR(dev, "obj offset exceeds 32-bits\n");
return -EINVAL;
@@ -829,25 +516,25 @@ nouveau_gpuobj_gr_new(struct nouveau_channel *chan, int class,
}
if (dev_priv->card_type >= NV_50) {
- nv_wo32(dev, *gpuobj, 0, class);
- nv_wo32(dev, *gpuobj, 5, 0x00010000);
+ nv_wo32(*gpuobj, 0, class);
+ nv_wo32(*gpuobj, 20, 0x00010000);
} else {
switch (class) {
case NV_CLASS_NULL:
- nv_wo32(dev, *gpuobj, 0, 0x00001030);
- nv_wo32(dev, *gpuobj, 1, 0xFFFFFFFF);
+ nv_wo32(*gpuobj, 0, 0x00001030);
+ nv_wo32(*gpuobj, 4, 0xFFFFFFFF);
break;
default:
if (dev_priv->card_type >= NV_40) {
- nv_wo32(dev, *gpuobj, 0, class);
+ nv_wo32(*gpuobj, 0, class);
#ifdef __BIG_ENDIAN
- nv_wo32(dev, *gpuobj, 2, 0x01000000);
+ nv_wo32(*gpuobj, 8, 0x01000000);
#endif
} else {
#ifdef __BIG_ENDIAN
- nv_wo32(dev, *gpuobj, 0, class | 0x00080000);
+ nv_wo32(*gpuobj, 0, class | 0x00080000);
#else
- nv_wo32(dev, *gpuobj, 0, class);
+ nv_wo32(*gpuobj, 0, class);
#endif
}
}
@@ -873,10 +560,15 @@ nouveau_gpuobj_sw_new(struct nouveau_channel *chan, int class,
gpuobj = kzalloc(sizeof(*gpuobj), GFP_KERNEL);
if (!gpuobj)
return -ENOMEM;
+ gpuobj->dev = chan->dev;
gpuobj->engine = NVOBJ_ENGINE_SW;
gpuobj->class = class;
+ kref_init(&gpuobj->refcount);
+ gpuobj->cinst = 0x40;
+ spin_lock(&dev_priv->ramin_lock);
list_add_tail(&gpuobj->list, &dev_priv->gpuobj_list);
+ spin_unlock(&dev_priv->ramin_lock);
*gpuobj_ret = gpuobj;
return 0;
}
@@ -886,7 +578,6 @@ nouveau_gpuobj_channel_init_pramin(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj *pramin = NULL;
uint32_t size;
uint32_t base;
int ret;
@@ -911,18 +602,16 @@ nouveau_gpuobj_channel_init_pramin(struct nouveau_channel *chan)
size += 0x1000;
}
- ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, size, 0x1000, 0,
- &chan->ramin);
+ ret = nouveau_gpuobj_new(dev, NULL, size, 0x1000, 0, &chan->ramin);
if (ret) {
NV_ERROR(dev, "Error allocating channel PRAMIN: %d\n", ret);
return ret;
}
- pramin = chan->ramin->gpuobj;
- ret = drm_mm_init(&chan->ramin_heap, pramin->im_pramin->start + base, size);
+ ret = drm_mm_init(&chan->ramin_heap, base, size);
if (ret) {
NV_ERROR(dev, "Error creating PRAMIN heap: %d\n", ret);
- nouveau_gpuobj_ref_del(dev, &chan->ramin);
+ nouveau_gpuobj_ref(NULL, &chan->ramin);
return ret;
}
@@ -939,8 +628,6 @@ nouveau_gpuobj_channel_init(struct nouveau_channel *chan,
struct nouveau_gpuobj *vram = NULL, *tt = NULL;
int ret, i;
- INIT_LIST_HEAD(&chan->ramht_refs);
-
NV_DEBUG(dev, "ch%d vram=0x%08x tt=0x%08x\n", chan->id, vram_h, tt_h);
/* Allocate a chunk of memory for per-channel object storage */
@@ -956,41 +643,38 @@ nouveau_gpuobj_channel_init(struct nouveau_channel *chan,
* locations determined during init.
*/
if (dev_priv->card_type >= NV_50) {
- uint32_t vm_offset, pde;
+ u32 pgd_offs = (dev_priv->chipset == 0x50) ? 0x1400 : 0x0200;
+ u64 vm_vinst = chan->ramin->vinst + pgd_offs;
+ u32 vm_pinst = chan->ramin->pinst;
+ u32 pde;
- vm_offset = (dev_priv->chipset & 0xf0) == 0x50 ? 0x1400 : 0x200;
- vm_offset += chan->ramin->gpuobj->im_pramin->start;
+ if (vm_pinst != ~0)
+ vm_pinst += pgd_offs;
- ret = nouveau_gpuobj_new_fake(dev, vm_offset, ~0, 0x4000,
- 0, &chan->vm_pd, NULL);
+ ret = nouveau_gpuobj_new_fake(dev, vm_pinst, vm_vinst, 0x4000,
+ 0, &chan->vm_pd);
if (ret)
return ret;
for (i = 0; i < 0x4000; i += 8) {
- nv_wo32(dev, chan->vm_pd, (i+0)/4, 0x00000000);
- nv_wo32(dev, chan->vm_pd, (i+4)/4, 0xdeadcafe);
+ nv_wo32(chan->vm_pd, i + 0, 0x00000000);
+ nv_wo32(chan->vm_pd, i + 4, 0xdeadcafe);
}
- pde = (dev_priv->vm_gart_base / (512*1024*1024)) * 2;
- ret = nouveau_gpuobj_ref_add(dev, NULL, 0,
- dev_priv->gart_info.sg_ctxdma,
- &chan->vm_gart_pt);
- if (ret)
- return ret;
- nv_wo32(dev, chan->vm_pd, pde++,
- chan->vm_gart_pt->instance | 0x03);
- nv_wo32(dev, chan->vm_pd, pde++, 0x00000000);
+ nouveau_gpuobj_ref(dev_priv->gart_info.sg_ctxdma,
+ &chan->vm_gart_pt);
+ pde = (dev_priv->vm_gart_base / (512*1024*1024)) * 8;
+ nv_wo32(chan->vm_pd, pde + 0, chan->vm_gart_pt->vinst | 3);
+ nv_wo32(chan->vm_pd, pde + 4, 0x00000000);
- pde = (dev_priv->vm_vram_base / (512*1024*1024)) * 2;
+ pde = (dev_priv->vm_vram_base / (512*1024*1024)) * 8;
for (i = 0; i < dev_priv->vm_vram_pt_nr; i++) {
- ret = nouveau_gpuobj_ref_add(dev, NULL, 0,
- dev_priv->vm_vram_pt[i],
- &chan->vm_vram_pt[i]);
- if (ret)
- return ret;
+ nouveau_gpuobj_ref(dev_priv->vm_vram_pt[i],
+ &chan->vm_vram_pt[i]);
- nv_wo32(dev, chan->vm_pd, pde++,
- chan->vm_vram_pt[i]->instance | 0x61);
- nv_wo32(dev, chan->vm_pd, pde++, 0x00000000);
+ nv_wo32(chan->vm_pd, pde + 0,
+ chan->vm_vram_pt[i]->vinst | 0x61);
+ nv_wo32(chan->vm_pd, pde + 4, 0x00000000);
+ pde += 8;
}
instmem->flush(dev);
@@ -998,15 +682,17 @@ nouveau_gpuobj_channel_init(struct nouveau_channel *chan,
/* RAMHT */
if (dev_priv->card_type < NV_50) {
- ret = nouveau_gpuobj_ref_add(dev, NULL, 0, dev_priv->ramht,
- &chan->ramht);
+ nouveau_ramht_ref(dev_priv->ramht, &chan->ramht, NULL);
+ } else {
+ struct nouveau_gpuobj *ramht = NULL;
+
+ ret = nouveau_gpuobj_new(dev, chan, 0x8000, 16,
+ NVOBJ_FLAG_ZERO_ALLOC, &ramht);
if (ret)
return ret;
- } else {
- ret = nouveau_gpuobj_new_ref(dev, chan, chan, 0,
- 0x8000, 16,
- NVOBJ_FLAG_ZERO_ALLOC,
- &chan->ramht);
+
+ ret = nouveau_ramht_new(dev, ramht, &chan->ramht);
+ nouveau_gpuobj_ref(NULL, &ramht);
if (ret)
return ret;
}
@@ -1023,24 +709,32 @@ nouveau_gpuobj_channel_init(struct nouveau_channel *chan,
}
} else {
ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY,
- 0, dev_priv->fb_available_size,
- NV_DMA_ACCESS_RW,
- NV_DMA_TARGET_VIDMEM, &vram);
+ 0, dev_priv->fb_available_size,
+ NV_DMA_ACCESS_RW,
+ NV_DMA_TARGET_VIDMEM, &vram);
if (ret) {
NV_ERROR(dev, "Error creating VRAM ctxdma: %d\n", ret);
return ret;
}
}
- ret = nouveau_gpuobj_ref_add(dev, chan, vram_h, vram, NULL);
+ ret = nouveau_ramht_insert(chan, vram_h, vram);
+ nouveau_gpuobj_ref(NULL, &vram);
if (ret) {
- NV_ERROR(dev, "Error referencing VRAM ctxdma: %d\n", ret);
+ NV_ERROR(dev, "Error adding VRAM ctxdma to RAMHT: %d\n", ret);
return ret;
}
/* TT memory ctxdma */
if (dev_priv->card_type >= NV_50) {
- tt = vram;
+ ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY,
+ 0, dev_priv->vm_end,
+ NV_DMA_ACCESS_RW,
+ NV_DMA_TARGET_AGP, &tt);
+ if (ret) {
+ NV_ERROR(dev, "Error creating VRAM ctxdma: %d\n", ret);
+ return ret;
+ }
} else
if (dev_priv->gart_info.type != NOUVEAU_GART_NONE) {
ret = nouveau_gpuobj_gart_dma_new(chan, 0,
@@ -1056,9 +750,10 @@ nouveau_gpuobj_channel_init(struct nouveau_channel *chan,
return ret;
}
- ret = nouveau_gpuobj_ref_add(dev, chan, tt_h, tt, NULL);
+ ret = nouveau_ramht_insert(chan, tt_h, tt);
+ nouveau_gpuobj_ref(NULL, &tt);
if (ret) {
- NV_ERROR(dev, "Error referencing TT ctxdma: %d\n", ret);
+ NV_ERROR(dev, "Error adding TT ctxdma to RAMHT: %d\n", ret);
return ret;
}
@@ -1070,33 +765,23 @@ nouveau_gpuobj_channel_takedown(struct nouveau_channel *chan)
{
struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
struct drm_device *dev = chan->dev;
- struct list_head *entry, *tmp;
- struct nouveau_gpuobj_ref *ref;
int i;
NV_DEBUG(dev, "ch%d\n", chan->id);
- if (!chan->ramht_refs.next)
+ if (!chan->ramht)
return;
- list_for_each_safe(entry, tmp, &chan->ramht_refs) {
- ref = list_entry(entry, struct nouveau_gpuobj_ref, list);
-
- nouveau_gpuobj_ref_del(dev, &ref);
- }
-
- nouveau_gpuobj_ref_del(dev, &chan->ramht);
+ nouveau_ramht_ref(NULL, &chan->ramht, chan);
- nouveau_gpuobj_del(dev, &chan->vm_pd);
- nouveau_gpuobj_ref_del(dev, &chan->vm_gart_pt);
+ nouveau_gpuobj_ref(NULL, &chan->vm_pd);
+ nouveau_gpuobj_ref(NULL, &chan->vm_gart_pt);
for (i = 0; i < dev_priv->vm_vram_pt_nr; i++)
- nouveau_gpuobj_ref_del(dev, &chan->vm_vram_pt[i]);
+ nouveau_gpuobj_ref(NULL, &chan->vm_vram_pt[i]);
if (chan->ramin_heap.free_stack.next)
drm_mm_takedown(&chan->ramin_heap);
- if (chan->ramin)
- nouveau_gpuobj_ref_del(dev, &chan->ramin);
-
+ nouveau_gpuobj_ref(NULL, &chan->ramin);
}
int
@@ -1117,17 +802,17 @@ nouveau_gpuobj_suspend(struct drm_device *dev)
}
list_for_each_entry(gpuobj, &dev_priv->gpuobj_list, list) {
- if (!gpuobj->im_backing || (gpuobj->flags & NVOBJ_FLAG_FAKE))
+ if (!gpuobj->im_backing)
continue;
- gpuobj->im_backing_suspend = vmalloc(gpuobj->im_pramin->size);
+ gpuobj->im_backing_suspend = vmalloc(gpuobj->size);
if (!gpuobj->im_backing_suspend) {
nouveau_gpuobj_resume(dev);
return -ENOMEM;
}
- for (i = 0; i < gpuobj->im_pramin->size / 4; i++)
- gpuobj->im_backing_suspend[i] = nv_ro32(dev, gpuobj, i);
+ for (i = 0; i < gpuobj->size; i += 4)
+ gpuobj->im_backing_suspend[i/4] = nv_ro32(gpuobj, i);
}
return 0;
@@ -1172,8 +857,8 @@ nouveau_gpuobj_resume(struct drm_device *dev)
if (!gpuobj->im_backing_suspend)
continue;
- for (i = 0; i < gpuobj->im_pramin->size / 4; i++)
- nv_wo32(dev, gpuobj, i, gpuobj->im_backing_suspend[i]);
+ for (i = 0; i < gpuobj->size; i += 4)
+ nv_wo32(gpuobj, i, gpuobj->im_backing_suspend[i/4]);
dev_priv->engine.instmem.flush(dev);
}
@@ -1208,25 +893,24 @@ int nouveau_ioctl_grobj_alloc(struct drm_device *dev, void *data,
return -EPERM;
}
- if (nouveau_gpuobj_ref_find(chan, init->handle, NULL) == 0)
+ if (nouveau_ramht_find(chan, init->handle))
return -EEXIST;
if (!grc->software)
ret = nouveau_gpuobj_gr_new(chan, grc->id, &gr);
else
ret = nouveau_gpuobj_sw_new(chan, grc->id, &gr);
-
if (ret) {
NV_ERROR(dev, "Error creating object: %d (%d/0x%08x)\n",
ret, init->channel, init->handle);
return ret;
}
- ret = nouveau_gpuobj_ref_add(dev, chan, init->handle, gr, NULL);
+ ret = nouveau_ramht_insert(chan, init->handle, gr);
+ nouveau_gpuobj_ref(NULL, &gr);
if (ret) {
NV_ERROR(dev, "Error referencing object: %d (%d/0x%08x)\n",
ret, init->channel, init->handle);
- nouveau_gpuobj_del(dev, &gr);
return ret;
}
@@ -1237,16 +921,62 @@ int nouveau_ioctl_gpuobj_free(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_nouveau_gpuobj_free *objfree = data;
- struct nouveau_gpuobj_ref *ref;
+ struct nouveau_gpuobj *gpuobj;
struct nouveau_channel *chan;
- int ret;
NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(objfree->channel, file_priv, chan);
- ret = nouveau_gpuobj_ref_find(chan, objfree->handle, &ref);
- if (ret)
- return ret;
- nouveau_gpuobj_ref_del(dev, &ref);
+ gpuobj = nouveau_ramht_find(chan, objfree->handle);
+ if (!gpuobj)
+ return -ENOENT;
+ nouveau_ramht_remove(chan, objfree->handle);
return 0;
}
+
+u32
+nv_ro32(struct nouveau_gpuobj *gpuobj, u32 offset)
+{
+ struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
+ struct drm_device *dev = gpuobj->dev;
+
+ if (gpuobj->pinst == ~0 || !dev_priv->ramin_available) {
+ u64 ptr = gpuobj->vinst + offset;
+ u32 base = ptr >> 16;
+ u32 val;
+
+ spin_lock(&dev_priv->ramin_lock);
+ if (dev_priv->ramin_base != base) {
+ dev_priv->ramin_base = base;
+ nv_wr32(dev, 0x001700, dev_priv->ramin_base);
+ }
+ val = nv_rd32(dev, 0x700000 + (ptr & 0xffff));
+ spin_unlock(&dev_priv->ramin_lock);
+ return val;
+ }
+
+ return nv_ri32(dev, gpuobj->pinst + offset);
+}
+
+void
+nv_wo32(struct nouveau_gpuobj *gpuobj, u32 offset, u32 val)
+{
+ struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
+ struct drm_device *dev = gpuobj->dev;
+
+ if (gpuobj->pinst == ~0 || !dev_priv->ramin_available) {
+ u64 ptr = gpuobj->vinst + offset;
+ u32 base = ptr >> 16;
+
+ spin_lock(&dev_priv->ramin_lock);
+ if (dev_priv->ramin_base != base) {
+ dev_priv->ramin_base = base;
+ nv_wr32(dev, 0x001700, dev_priv->ramin_base);
+ }
+ nv_wr32(dev, 0x700000 + (ptr & 0xffff), val);
+ spin_unlock(&dev_priv->ramin_lock);
+ return;
+ }
+
+ nv_wi32(dev, gpuobj->pinst + offset, val);
+}