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-rw-r--r--shared-core/nouveau_object.c101
1 files changed, 52 insertions, 49 deletions
diff --git a/shared-core/nouveau_object.c b/shared-core/nouveau_object.c
index b3c4b0e0..ed214c69 100644
--- a/shared-core/nouveau_object.c
+++ b/shared-core/nouveau_object.c
@@ -44,8 +44,8 @@
* in the future when we can access more instance ram which isn't mapped into
* the PRAMIN aperture
*/
-uint32_t nouveau_chip_instance_get(drm_device_t *dev,
- struct mem_block *mem)
+uint32_t
+nouveau_chip_instance_get(drm_device_t *dev, struct mem_block *mem)
{
uint32_t inst = (uint32_t)mem->start >> 4;
DRM_DEBUG("****** on-chip instance for 0x%016llx = 0x%08x\n",
@@ -53,34 +53,35 @@ uint32_t nouveau_chip_instance_get(drm_device_t *dev,
return inst;
}
-static void nouveau_object_link(drm_device_t *dev, int fifo_num,
- struct nouveau_object *obj)
+static void
+nouveau_object_link(drm_device_t *dev, int channel, struct nouveau_object *obj)
{
drm_nouveau_private_t *dev_priv=dev->dev_private;
- struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num];
+ struct nouveau_fifo *chan = &dev_priv->fifos[channel];
- if (!fifo->objs) {
- fifo->objs = obj;
+ if (!chan->objs) {
+ chan->objs = obj;
return;
}
obj->prev = NULL;
- obj->next = fifo->objs;
+ obj->next = chan->objs;
- fifo->objs->prev = obj;
- fifo->objs = obj;
+ chan->objs->prev = obj;
+ chan->objs = obj;
}
-static void nouveau_object_unlink(drm_device_t *dev, int fifo_num,
- struct nouveau_object *obj)
+static void
+nouveau_object_unlink(drm_device_t *dev, int channel,
+ struct nouveau_object *obj)
{
drm_nouveau_private_t *dev_priv=dev->dev_private;
- struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num];
+ struct nouveau_fifo *chan = &dev_priv->fifos[channel];
if (obj->prev == NULL) {
if (obj->next)
obj->next->prev = NULL;
- fifo->objs = obj->next;
+ chan->objs = obj->next;
} else if (obj->next == NULL) {
if (obj->prev)
obj->prev->next = NULL;
@@ -91,11 +92,11 @@ static void nouveau_object_unlink(drm_device_t *dev, int fifo_num,
}
static struct nouveau_object *
-nouveau_object_handle_find(drm_device_t *dev, int fifo_num, uint32_t handle)
+nouveau_object_handle_find(drm_device_t *dev, int channel, uint32_t handle)
{
drm_nouveau_private_t *dev_priv=dev->dev_private;
- struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num];
- struct nouveau_object *obj = fifo->objs;
+ struct nouveau_fifo *chan = &dev_priv->fifos[channel];
+ struct nouveau_object *obj = chan->objs;
DRM_DEBUG("Looking for handle 0x%08x\n", handle);
while (obj) {
@@ -138,8 +139,8 @@ nouveau_object_handle_find(drm_device_t *dev, int fifo_num, uint32_t handle)
The key into the hash table depends on the object handle and channel id and
is given as:
*/
-static uint32_t nouveau_handle_hash(drm_device_t* dev, uint32_t handle,
- int fifo)
+static uint32_t
+nouveau_ht_handle_hash(drm_device_t *dev, int channel, uint32_t handle)
{
drm_nouveau_private_t *dev_priv=dev->dev_private;
uint32_t hash = 0;
@@ -149,19 +150,20 @@ static uint32_t nouveau_handle_hash(drm_device_t* dev, uint32_t handle,
hash ^= (handle & ((1 << dev_priv->ramht_bits) - 1));
handle >>= dev_priv->ramht_bits;
}
- hash ^= fifo << (dev_priv->ramht_bits - 4);
+ hash ^= channel << (dev_priv->ramht_bits - 4);
return hash << 3;
}
-static int nouveau_hash_table_insert(drm_device_t* dev, int fifo,
- struct nouveau_object *obj)
+static int
+nouveau_ht_object_insert(drm_device_t* dev, int channel,
+ struct nouveau_object *obj)
{
drm_nouveau_private_t *dev_priv=dev->dev_private;
int ht_base = NV_RAMIN + dev_priv->ramht_offset;
int ht_end = ht_base + dev_priv->ramht_size;
int o_ofs, ofs;
- o_ofs = ofs = nouveau_handle_hash(dev, obj->handle, fifo);
+ o_ofs = ofs = nouveau_ht_handle_hash(dev, channel, obj->handle);
while (NV_READ(ht_base + ofs) || NV_READ(ht_base + ofs + 4)) {
ofs += 8;
@@ -174,19 +176,19 @@ static int nouveau_hash_table_insert(drm_device_t* dev, int fifo,
ofs += ht_base;
DRM_DEBUG("Channel %d - Handle 0x%08x at 0x%08x\n",
- fifo, obj->handle, ofs);
+ channel, obj->handle, ofs);
NV_WRITE(NV_RAMHT_HANDLE_OFFSET + ofs, obj->handle);
if (dev_priv->card_type >= NV_40)
NV_WRITE(NV_RAMHT_CONTEXT_OFFSET + ofs,
- (fifo << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) |
+ (channel << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) |
(obj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT) |
nouveau_chip_instance_get(dev, obj->instance)
);
else
NV_WRITE(NV_RAMHT_CONTEXT_OFFSET + ofs,
NV_RAMHT_CONTEXT_VALID |
- (fifo << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) |
+ (channel << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) |
(obj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT) |
nouveau_chip_instance_get(dev, obj->instance)
);
@@ -445,9 +447,9 @@ nouveau_context_object_create(drm_device_t* dev, int class)
}
static void
-nouveau_object_free(drm_device_t *dev, int fifo_num, struct nouveau_object *obj)
+nouveau_object_free(drm_device_t *dev, int channel, struct nouveau_object *obj)
{
- nouveau_object_unlink(dev, fifo_num, obj);
+ nouveau_object_unlink(dev, channel, obj);
nouveau_object_instance_free(dev, obj);
nouveau_hash_table_remove(dev, obj);
@@ -459,14 +461,15 @@ nouveau_object_free(drm_device_t *dev, int fifo_num, struct nouveau_object *obj)
void nouveau_object_cleanup(drm_device_t *dev, DRMFILE filp)
{
drm_nouveau_private_t *dev_priv=dev->dev_private;
- int fifo;
+ int channel;
- fifo = nouveau_fifo_id_get(dev, filp);
- if (fifo == -1)
+ channel = nouveau_fifo_id_get(dev, filp);
+ if (channel == -1)
return;
- while (dev_priv->fifos[fifo].objs)
- nouveau_object_free(dev, fifo, dev_priv->fifos[fifo].objs);
+ while (dev_priv->fifos[channel].objs)
+ nouveau_object_free(dev, channel,
+ dev_priv->fifos[channel].objs);
}
int nouveau_ioctl_object_init(DRM_IOCTL_ARGS)
@@ -474,10 +477,10 @@ int nouveau_ioctl_object_init(DRM_IOCTL_ARGS)
DRM_DEVICE;
drm_nouveau_object_init_t init;
struct nouveau_object *obj;
- int fifo;
+ int channel;
- fifo = nouveau_fifo_id_get(dev, filp);
- if (fifo == -1)
+ channel = nouveau_fifo_id_get(dev, filp);
+ if (channel == -1)
return DRM_ERR(EINVAL);
DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_object_init_t __user *)
@@ -485,9 +488,9 @@ int nouveau_ioctl_object_init(DRM_IOCTL_ARGS)
//FIXME: check args, only allow trusted objects to be created
- if (nouveau_object_handle_find(dev, fifo, init.handle)) {
+ if (nouveau_object_handle_find(dev, channel, init.handle)) {
DRM_ERROR("Channel %d: handle 0x%08x already exists\n",
- fifo, init.handle);
+ channel, init.handle);
return DRM_ERR(EINVAL);
}
@@ -496,12 +499,12 @@ int nouveau_ioctl_object_init(DRM_IOCTL_ARGS)
return DRM_ERR(ENOMEM);
obj->handle = init.handle;
- if (nouveau_hash_table_insert(dev, fifo, obj)) {
- nouveau_object_free(dev, fifo, obj);
+ if (nouveau_ht_object_insert(dev, channel, obj)) {
+ nouveau_object_free(dev, channel, obj);
return DRM_ERR(ENOMEM);
}
- nouveau_object_link(dev, fifo, obj);
+ nouveau_object_link(dev, channel, obj);
return 0;
}
@@ -569,10 +572,10 @@ int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS)
DRM_DEVICE;
drm_nouveau_dma_object_init_t init;
struct nouveau_object *obj;
- int fifo;
+ int channel;
- fifo = nouveau_fifo_id_get(dev, filp);
- if (fifo == -1)
+ channel = nouveau_fifo_id_get(dev, filp);
+ if (channel == -1)
return DRM_ERR(EINVAL);
DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_dma_object_init_t __user *)
@@ -581,9 +584,9 @@ int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS)
if (nouveau_dma_object_check_access(dev, &init))
return DRM_ERR(EPERM);
- if (nouveau_object_handle_find(dev, fifo, init.handle)) {
+ if (nouveau_object_handle_find(dev, channel, init.handle)) {
DRM_ERROR("Channel %d: handle 0x%08x already exists\n",
- fifo, init.handle);
+ channel, init.handle);
return DRM_ERR(EINVAL);
}
@@ -594,12 +597,12 @@ int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS)
return DRM_ERR(ENOMEM);
obj->handle = init.handle;
- if (nouveau_hash_table_insert(dev, fifo, obj)) {
- nouveau_object_free(dev, fifo, obj);
+ if (nouveau_ht_object_insert(dev, channel, obj)) {
+ nouveau_object_free(dev, channel, obj);
return DRM_ERR(ENOMEM);
}
- nouveau_object_link(dev, fifo, obj);
+ nouveau_object_link(dev, channel, obj);
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 18:06:00 +0000