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drm/nouveau: tidy ram{ht,fc,ro} a bit

Browse source 
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-09-01 15:24:35 +10:00
parent fbd2895e45
commit e05c5a317e
11 changed files with 69 additions and 101 deletions
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12
drivers/gpu/drm/nouveau/nouveau_drv.h
View file

@ -545,15 +545,11 @@ struct drm_nouveau_private {
spinlock_t context_switch_lock;
/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
struct nouveau_ramht *ramht;
struct nouveau_ramht *ramht;
struct nouveau_gpuobj *ramfc;
struct nouveau_gpuobj *ramro;
uint32_t ramin_rsvd_vram;
uint32_t ramht_offset;
uint32_t ramht_size;
uint32_t ramht_bits;
uint32_t ramfc_offset;
uint32_t ramfc_size;
uint32_t ramro_offset;
uint32_t ramro_size;
struct {
enum {

2
drivers/gpu/drm/nouveau/nouveau_object.c
View file

@ -192,8 +192,6 @@ nouveau_gpuobj_takedown(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
NV_DEBUG(dev, "\n");
nouveau_ramht_ref(NULL, &dev_priv->ramht, NULL);
}
void

23
drivers/gpu/drm/nouveau/nouveau_ramht.c
View file

@ -28,21 +28,23 @@
#include "nouveau_ramht.h"
static uint32_t
nouveau_ramht_hash_handle(struct drm_device *dev, int channel, uint32_t handle)
nouveau_ramht_hash_handle(struct nouveau_channel *chan, uint32_t handle)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_ramht *ramht = chan->ramht;
uint32_t hash = 0;
int i;
NV_DEBUG(dev, "ch%d handle=0x%08x\n", channel, handle);
NV_DEBUG(dev, "ch%d handle=0x%08x\n", chan->id, handle);
for (i = 32; i > 0; i -= dev_priv->ramht_bits) {
hash ^= (handle & ((1 << dev_priv->ramht_bits) - 1));
handle >>= dev_priv->ramht_bits;
for (i = 32; i > 0; i -= ramht->bits) {
hash ^= (handle & ((1 << ramht->bits) - 1));
handle >>= ramht->bits;
}
if (dev_priv->card_type < NV_50)
hash ^= channel << (dev_priv->ramht_bits - 4);
hash ^= chan->id << (ramht->bits - 4);
hash <<= 3;
NV_DEBUG(dev, "hash=0x%08x\n", hash);
@ -103,7 +105,7 @@ nouveau_ramht_insert(struct nouveau_channel *chan, u32 handle,
}
}
co = ho = nouveau_ramht_hash_handle(dev, chan->id, handle);
co = ho = nouveau_ramht_hash_handle(chan, handle);
do {
if (!nouveau_ramht_entry_valid(dev, ramht, co)) {
NV_DEBUG(dev,
@ -119,7 +121,7 @@ nouveau_ramht_insert(struct nouveau_channel *chan, u32 handle,
chan->id, co, nv_ro32(ramht, co));
co += 8;
if (co >= dev_priv->ramht_size)
if (co >= ramht->size)
co = 0;
} while (co != ho);
@ -149,7 +151,7 @@ nouveau_ramht_remove(struct nouveau_channel *chan, u32 handle)
break;
}
co = ho = nouveau_ramht_hash_handle(dev, chan->id, handle);
co = ho = nouveau_ramht_hash_handle(chan, handle);
do {
if (nouveau_ramht_entry_valid(dev, ramht, co) &&
(handle == nv_ro32(ramht, co))) {
@ -163,7 +165,7 @@ nouveau_ramht_remove(struct nouveau_channel *chan, u32 handle)
}
co += 8;
if (co >= dev_priv->ramht_size)
if (co >= ramht->size)
co = 0;
} while (co != ho);
@ -196,6 +198,7 @@ nouveau_ramht_new(struct drm_device *dev, struct nouveau_gpuobj *gpuobj,
ramht->dev = dev;
ramht->refcount = 1;
ramht->bits = drm_order(gpuobj->size / 8);
INIT_LIST_HEAD(&ramht->entries);
nouveau_gpuobj_ref(gpuobj, &ramht->gpuobj);

1
drivers/gpu/drm/nouveau/nouveau_ramht.h
View file

@ -37,6 +37,7 @@ struct nouveau_ramht {
int refcount;
struct nouveau_gpuobj *gpuobj;
struct list_head entries;
int bits;
};
extern int nouveau_ramht_new(struct drm_device *, struct nouveau_gpuobj *,

11
drivers/gpu/drm/nouveau/nv04_fifo.c
View file

@ -27,8 +27,9 @@
#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_ramht.h"
#define NV04_RAMFC(c) (dev_priv->ramfc_offset + ((c) * NV04_RAMFC__SIZE))
#define NV04_RAMFC(c) (dev_priv->ramfc->pinst + ((c) * NV04_RAMFC__SIZE))
#define NV04_RAMFC__SIZE 32
#define NV04_RAMFC_DMA_PUT 0x00
#define NV04_RAMFC_DMA_GET 0x04
@ -262,10 +263,10 @@ nv04_fifo_init_ramxx(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
((dev_priv->ramht_bits - 9) << 16) |
(dev_priv->ramht_offset >> 8));
nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro_offset>>8);
nv_wr32(dev, NV03_PFIFO_RAMFC, dev_priv->ramfc_offset >> 8);
((dev_priv->ramht->bits - 9) << 16) |
(dev_priv->ramht->gpuobj->pinst >> 8));
nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro->pinst >> 8);
nv_wr32(dev, NV03_PFIFO_RAMFC, dev_priv->ramfc->pinst >> 8);
}
static void

87
drivers/gpu/drm/nouveau/nv04_instmem.c
View file

@ -18,65 +18,15 @@ nouveau_fifo_ctx_size(struct drm_device *dev)
return 32;
}
static void
nv04_instmem_configure_fixed_tables(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
/* FIFO hash table (RAMHT)
* use 4k hash table at RAMIN+0x10000
* TODO: extend the hash table
*/
dev_priv->ramht_offset = 0x10000;
dev_priv->ramht_bits = 9;
dev_priv->ramht_size = (1 << dev_priv->ramht_bits); /* nr entries */
dev_priv->ramht_size *= 8; /* 2 32-bit values per entry in RAMHT */
NV_DEBUG(dev, "RAMHT offset=0x%x, size=%d\n", dev_priv->ramht_offset,
dev_priv->ramht_size);
/* FIFO runout table (RAMRO) - 512k at 0x11200 */
dev_priv->ramro_offset = 0x11200;
dev_priv->ramro_size = 512;
NV_DEBUG(dev, "RAMRO offset=0x%x, size=%d\n", dev_priv->ramro_offset,
dev_priv->ramro_size);
/* FIFO context table (RAMFC)
* NV40 : Not sure exactly how to position RAMFC on some cards,
* 0x30002 seems to position it at RAMIN+0x20000 on these
* cards. RAMFC is 4kb (32 fifos, 128byte entries).
* Others: Position RAMFC at RAMIN+0x11400
*/
dev_priv->ramfc_size = engine->fifo.channels *
nouveau_fifo_ctx_size(dev);
switch (dev_priv->card_type) {
case NV_40:
dev_priv->ramfc_offset = 0x20000;
break;
case NV_30:
case NV_20:
case NV_10:
case NV_04:
default:
dev_priv->ramfc_offset = 0x11400;
break;
}
NV_DEBUG(dev, "RAMFC offset=0x%x, size=%d\n", dev_priv->ramfc_offset,
dev_priv->ramfc_size);
}
int nv04_instmem_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramht = NULL;
uint32_t offset;
u32 offset, length;
int ret;
nv04_instmem_configure_fixed_tables(dev);
/* Setup shared RAMHT */
ret = nouveau_gpuobj_new_fake(dev, dev_priv->ramht_offset, ~0,
dev_priv->ramht_size,
ret = nouveau_gpuobj_new_fake(dev, 0x10000, ~0, 4096,
NVOBJ_FLAG_ZERO_ALLOC, &ramht);
if (ret)
return ret;
@ -86,10 +36,30 @@ int nv04_instmem_init(struct drm_device *dev)
if (ret)
return ret;
/* Create a heap to manage RAMIN allocations, we don't allocate
* the space that was reserved for RAMHT/FC/RO.
*/
offset = dev_priv->ramfc_offset + dev_priv->ramfc_size;
/* And RAMRO */
ret = nouveau_gpuobj_new_fake(dev, 0x11200, ~0, 512,
NVOBJ_FLAG_ZERO_ALLOC, &dev_priv->ramro);
if (ret)
return ret;
/* And RAMFC */
length = dev_priv->engine.fifo.channels * nouveau_fifo_ctx_size(dev);
switch (dev_priv->card_type) {
case NV_40:
offset = 0x20000;
break;
default:
offset = 0x11400;
break;
}
ret = nouveau_gpuobj_new_fake(dev, offset, ~0, length,
NVOBJ_FLAG_ZERO_ALLOC, &dev_priv->ramfc);
if (ret)
return ret;
/* Only allow space after RAMFC to be used for object allocation */
offset += length;
/* It appears RAMRO (or something?) is controlled by 0x2220/0x2230
* on certain NV4x chipsets as well as RAMFC. When 0x2230 == 0
@ -118,6 +88,11 @@ int nv04_instmem_init(struct drm_device *dev)
void
nv04_instmem_takedown(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
nouveau_ramht_ref(NULL, &dev_priv->ramht, NULL);
nouveau_gpuobj_ref(NULL, &dev_priv->ramro);
nouveau_gpuobj_ref(NULL, &dev_priv->ramfc);
}
int

13
drivers/gpu/drm/nouveau/nv10_fifo.c
View file

@ -27,8 +27,9 @@
#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_ramht.h"
#define NV10_RAMFC(c) (dev_priv->ramfc_offset + ((c) * NV10_RAMFC__SIZE))
#define NV10_RAMFC(c) (dev_priv->ramfc->pinst + ((c) * NV10_RAMFC__SIZE))
#define NV10_RAMFC__SIZE ((dev_priv->chipset) >= 0x17 ? 64 : 32)
int
@ -202,14 +203,14 @@ nv10_fifo_init_ramxx(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
((dev_priv->ramht_bits - 9) << 16) |
(dev_priv->ramht_offset >> 8));
nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro_offset>>8);
((dev_priv->ramht->bits - 9) << 16) |
(dev_priv->ramht->gpuobj->pinst >> 8));
nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro->pinst >> 8);
if (dev_priv->chipset < 0x17) {
nv_wr32(dev, NV03_PFIFO_RAMFC, dev_priv->ramfc_offset >> 8);
nv_wr32(dev, NV03_PFIFO_RAMFC, dev_priv->ramfc->pinst >> 8);
} else {
nv_wr32(dev, NV03_PFIFO_RAMFC, (dev_priv->ramfc_offset >> 8) |
nv_wr32(dev, NV03_PFIFO_RAMFC, (dev_priv->ramfc->pinst >> 8) |
(1 << 16) /* 64 Bytes entry*/);
/* XXX nvidia blob set bit 18, 21,23 for nv20 & nv30 */
}

11
drivers/gpu/drm/nouveau/nv40_fifo.c
View file

@ -27,8 +27,9 @@
#include "drmP.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"
#include "nouveau_ramht.h"
#define NV40_RAMFC(c) (dev_priv->ramfc_offset + ((c) * NV40_RAMFC__SIZE))
#define NV40_RAMFC(c) (dev_priv->ramfc->pinst + ((c) * NV40_RAMFC__SIZE))
#define NV40_RAMFC__SIZE 128
int
@ -240,9 +241,9 @@ nv40_fifo_init_ramxx(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
((dev_priv->ramht_bits - 9) << 16) |
(dev_priv->ramht_offset >> 8));
nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro_offset>>8);
((dev_priv->ramht->bits - 9) << 16) |
(dev_priv->ramht->gpuobj->pinst >> 8));
nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro->pinst >> 8);
switch (dev_priv->chipset) {
case 0x47:
@ -270,7 +271,7 @@ nv40_fifo_init_ramxx(struct drm_device *dev)
nv_wr32(dev, 0x2230, 0);
nv_wr32(dev, NV40_PFIFO_RAMFC,
((dev_priv->vram_size - 512 * 1024 +
dev_priv->ramfc_offset) >> 16) | (3 << 16));
dev_priv->ramfc->pinst) >> 16) | (3 << 16));
break;
}
}

2
drivers/gpu/drm/nouveau/nv50_fifo.c
View file

@ -259,7 +259,7 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
nv_wo32(ramfc, 0x48, chan->pushbuf->cinst >> 4);
nv_wo32(ramfc, 0x80, (0 << 27) /* 4KiB */ |
nv_wo32(ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
(4 << 24) /* SEARCH_FULL */ |
(chan->ramht->gpuobj->cinst >> 4));
nv_wo32(ramfc, 0x44, 0x2101ffff);

4
drivers/gpu/drm/nouveau/nv50_instmem.c
View file

@ -230,10 +230,6 @@ nv50_instmem_init(struct drm_device *dev)
for (i = 0; i < 8; i++)
nv_wr32(dev, 0x1900 + (i*4), 0);
/*XXX: incorrect, but needed to make hash func "work" */
dev_priv->ramht_offset = 0x10000;
dev_priv->ramht_bits = 9;
dev_priv->ramht_size = (1 << dev_priv->ramht_bits) * 8;
return 0;
}

4
drivers/gpu/drm/nouveau/nvc0_instmem.c
View file

@ -220,10 +220,6 @@ nvc0_instmem_init(struct drm_device *dev)
return -ENOMEM;
}
/*XXX: incorrect, but needed to make hash func "work" */
dev_priv->ramht_offset = 0x10000;
dev_priv->ramht_bits = 9;
dev_priv->ramht_size = (1 << dev_priv->ramht_bits) * 8;
return 0;
}