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drm/nv04-nv40/instmem: duplicate nv04 code as nv40, remove alternate paths

Browse source 
A ton of duplication for the moment, will go away when they become subdevs.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-07-13 16:14:25 +10:00
parent 861d21074b
commit af7afbd2e1
6 changed files with 202 additions and 54 deletions
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1
drivers/gpu/drm/nouveau/Makefile
View file

@ -67,6 +67,7 @@ nouveau-y += core/subdev/i2c/base.o
nouveau-y += core/subdev/i2c/aux.o
nouveau-y += core/subdev/i2c/bit.o
nouveau-y += core/subdev/instmem/nv04.o
nouveau-y += core/subdev/instmem/nv40.o
nouveau-y += core/subdev/instmem/nv50.o
nouveau-y += core/subdev/instmem/nvc0.o
nouveau-y += core/subdev/ltcg/nvc0.o

43
drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.c
View file

@ -11,9 +11,6 @@ nouveau_fifo_ctx_size(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
if (dev_priv->chipset >= 0x40)
return 128 * 32;
else
if (dev_priv->chipset >= 0x17)
return 64 * 32;
else
@ -32,27 +29,7 @@ int nv04_instmem_init(struct drm_device *dev)
/* RAMIN always available */
dev_priv->ramin_available = true;
/* Reserve space at end of VRAM for PRAMIN */
if (dev_priv->card_type >= NV_40) {
u32 vs = hweight8((nv_rd32(dev, 0x001540) & 0x0000ff00) >> 8);
u32 rsvd;
/* estimate grctx size, the magics come from nv40_grctx.c */
if (dev_priv->chipset == 0x40) rsvd = 0x6aa0 * vs;
else if (dev_priv->chipset < 0x43) rsvd = 0x4f00 * vs;
else if (nv44_graph_class(dev)) rsvd = 0x4980 * vs;
else rsvd = 0x4a40 * vs;
rsvd += 16 * 1024;
rsvd *= 32; /* per-channel */
rsvd += 512 * 1024; /* pci(e)gart table */
rsvd += 512 * 1024; /* object storage */
dev_priv->ramin_rsvd_vram = round_up(rsvd, 4096);
} else {
dev_priv->ramin_rsvd_vram = 512 * 1024;
}
/* Setup shared RAMHT */
ret = nouveau_gpuobj_new_fake(dev, 0x10000, ~0, 4096,
@ -73,14 +50,7 @@ int nv04_instmem_init(struct drm_device *dev)
/* And RAMFC */
length = 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);
@ -90,19 +60,6 @@ int nv04_instmem_init(struct drm_device *dev)
/* 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
* ("new style" control) the upper 16-bits of 0x2220 points at this
* other mysterious table that's clobbering important things.
*
* We're now pointing this at RAMIN+0x30000 to avoid RAMFC getting
* smashed to pieces on us, so reserve 0x30000-0x40000 too..
*/
if (dev_priv->card_type >= NV_40) {
if (offset < 0x40000)
offset = 0x40000;
}
ret = drm_mm_init(&dev_priv->ramin_heap, offset,
dev_priv->ramin_rsvd_vram - offset);
if (ret) {

11
drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.h Normal file
View file

@ -0,0 +1,11 @@
#ifndef __NV04_INSTMEM_H__
#define __NV04_INSTMEM_H__
struct nv04_instmem_priv {
struct nouveau_gpuobj *vbios;
struct nouveau_gpuobj *ramht;
struct nouveau_gpuobj *ramro;
struct nouveau_gpuobj *ramfc;
};
#endif

167
drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c Normal file
View file

@ -0,0 +1,167 @@
#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#include <engine/fifo.h>
#include <core/ramht.h>
/* returns the size of fifo context */
static int
nouveau_fifo_ctx_size(struct drm_device *dev)
{
return 128 * 32;
}
int nv40_instmem_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramht = NULL;
u32 offset, length, vs, rsvd;
int ret;
/* RAMIN always available */
dev_priv->ramin_available = true;
/* Reserve space at end of VRAM for PRAMIN */
/* estimate grctx size, the magics come from nv40_grctx.c */
vs = hweight8((nv_rd32(dev, 0x001540) & 0x0000ff00) >> 8);
if (dev_priv->chipset == 0x40) rsvd = 0x6aa0 * vs;
else if (dev_priv->chipset < 0x43) rsvd = 0x4f00 * vs;
else if (nv44_graph_class(dev)) rsvd = 0x4980 * vs;
else rsvd = 0x4a40 * vs;
rsvd += 16 * 1024;
rsvd *= 32; /* per-channel */
rsvd += 512 * 1024; /* pci(e)gart table */
rsvd += 512 * 1024; /* object storage */
dev_priv->ramin_rsvd_vram = round_up(rsvd, 4096);
/* Setup shared RAMHT */
ret = nouveau_gpuobj_new_fake(dev, 0x10000, ~0, 4096,
NVOBJ_FLAG_ZERO_ALLOC, &ramht);
if (ret)
return ret;
ret = nouveau_ramht_new(dev, ramht, &dev_priv->ramht);
nouveau_gpuobj_ref(NULL, &ramht);
if (ret)
return ret;
/* 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 = nouveau_fifo_ctx_size(dev);
offset = 0x20000;
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
* ("new style" control) the upper 16-bits of 0x2220 points at this
* other mysterious table that's clobbering important things.
*
* We're now pointing this at RAMIN+0x30000 to avoid RAMFC getting
* smashed to pieces on us, so reserve 0x30000-0x40000 too..
*/
if (offset < 0x40000)
offset = 0x40000;
ret = drm_mm_init(&dev_priv->ramin_heap, offset,
dev_priv->ramin_rsvd_vram - offset);
if (ret) {
NV_ERROR(dev, "Failed to init RAMIN heap: %d\n", ret);
return ret;
}
return 0;
}
void
nv40_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);
if (drm_mm_initialized(&dev_priv->ramin_heap))
drm_mm_takedown(&dev_priv->ramin_heap);
}
int
nv40_instmem_suspend(struct drm_device *dev)
{
return 0;
}
void
nv40_instmem_resume(struct drm_device *dev)
{
}
int
nv40_instmem_get(struct nouveau_gpuobj *gpuobj, struct nouveau_channel *chan,
u32 size, u32 align)
{
struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
struct drm_mm_node *ramin = NULL;
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);
return -ENOMEM;
}
ramin = drm_mm_get_block_atomic(ramin, size, align);
spin_unlock(&dev_priv->ramin_lock);
} while (ramin == NULL);
gpuobj->node = ramin;
gpuobj->vinst = ramin->start;
return 0;
}
void
nv40_instmem_put(struct nouveau_gpuobj *gpuobj)
{
struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
spin_lock(&dev_priv->ramin_lock);
drm_mm_put_block(gpuobj->node);
gpuobj->node = NULL;
spin_unlock(&dev_priv->ramin_lock);
}
int
nv40_instmem_map(struct nouveau_gpuobj *gpuobj)
{
gpuobj->pinst = gpuobj->vinst;
return 0;
}
void
nv40_instmem_unmap(struct nouveau_gpuobj *gpuobj)
{
}
void
nv40_instmem_flush(struct drm_device *dev)
{
}

12
drivers/gpu/drm/nouveau/nouveau_drv.h
View file

@ -1072,6 +1072,18 @@ extern int nv04_instmem_map(struct nouveau_gpuobj *);
extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
extern void nv04_instmem_flush(struct drm_device *);
/* nv40_instmem.c */
extern int nv40_instmem_init(struct drm_device *);
extern void nv40_instmem_takedown(struct drm_device *);
extern int nv40_instmem_suspend(struct drm_device *);
extern void nv40_instmem_resume(struct drm_device *);
extern int nv40_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
u32 size, u32 align);
extern void nv40_instmem_put(struct nouveau_gpuobj *);
extern int nv40_instmem_map(struct nouveau_gpuobj *);
extern void nv40_instmem_unmap(struct nouveau_gpuobj *);
extern void nv40_instmem_flush(struct drm_device *);
/* nv50_instmem.c */
extern int nv50_instmem_init(struct drm_device *);
extern void nv50_instmem_takedown(struct drm_device *);

18
drivers/gpu/drm/nouveau/nouveau_state.c
View file

@ -135,15 +135,15 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
break;
case 0x40:
case 0x60:
engine->instmem.init = nv04_instmem_init;
engine->instmem.takedown = nv04_instmem_takedown;
engine->instmem.suspend = nv04_instmem_suspend;
engine->instmem.resume = nv04_instmem_resume;
engine->instmem.get = nv04_instmem_get;
engine->instmem.put = nv04_instmem_put;
engine->instmem.map = nv04_instmem_map;
engine->instmem.unmap = nv04_instmem_unmap;
engine->instmem.flush = nv04_instmem_flush;
engine->instmem.init = nv40_instmem_init;
engine->instmem.takedown = nv40_instmem_takedown;
engine->instmem.suspend = nv40_instmem_suspend;
engine->instmem.resume = nv40_instmem_resume;
engine->instmem.get = nv40_instmem_get;
engine->instmem.put = nv40_instmem_put;
engine->instmem.map = nv40_instmem_map;
engine->instmem.unmap = nv40_instmem_unmap;
engine->instmem.flush = nv40_instmem_flush;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;