diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_instmem.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_instmem.c | 140 |
1 files changed, 39 insertions, 101 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_instmem.c b/drivers/gpu/drm/nouveau/nv04_instmem.c index 4408232d33f..0b5ae297abd 100644 --- a/drivers/gpu/drm/nouveau/nv04_instmem.c +++ b/drivers/gpu/drm/nouveau/nv04_instmem.c @@ -1,6 +1,7 @@ #include "drmP.h" #include "drm.h" #include "nouveau_drv.h" +#include "nouveau_ramht.h" /* returns the size of fifo context */ static int @@ -17,102 +18,51 @@ nouveau_fifo_ctx_size(struct drm_device *dev) return 32; } -static void -nv04_instmem_determine_amount(struct drm_device *dev) +int nv04_instmem_init(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; - int i; + struct nouveau_gpuobj *ramht = NULL; + u32 offset, length; + int ret; - /* Figure out how much instance memory we need */ - if (dev_priv->card_type >= NV_40) { - /* We'll want more instance memory than this on some NV4x cards. - * There's a 16MB aperture to play with that maps onto the end - * of vram. For now, only reserve a small piece until we know - * more about what each chipset requires. - */ - switch (dev_priv->chipset) { - case 0x40: - case 0x47: - case 0x49: - case 0x4b: - dev_priv->ramin_rsvd_vram = (2 * 1024 * 1024); - break; - default: - dev_priv->ramin_rsvd_vram = (1 * 1024 * 1024); - break; - } - } else { - /*XXX: what *are* the limits on <NV40 cards? - */ - dev_priv->ramin_rsvd_vram = (512 * 1024); - } - NV_DEBUG(dev, "RAMIN size: %dKiB\n", dev_priv->ramin_rsvd_vram >> 10); + /* RAMIN always available */ + dev_priv->ramin_available = true; - /* Clear all of it, except the BIOS image that's in the first 64KiB */ - for (i = 64 * 1024; i < dev_priv->ramin_rsvd_vram; i += 4) - nv_wi32(dev, i, 0x00000000); -} + /* Setup shared RAMHT */ + ret = nouveau_gpuobj_new_fake(dev, 0x10000, ~0, 4096, + NVOBJ_FLAG_ZERO_ALLOC, &ramht); + if (ret) + return ret; -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; + ret = nouveau_ramht_new(dev, ramht, &dev_priv->ramht); + nouveau_gpuobj_ref(NULL, &ramht); + if (ret) + return ret; - /* 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); + /* 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: - dev_priv->ramfc_offset = 0x20000; + offset = 0x20000; break; - case NV_30: - case NV_20: - case NV_10: - case NV_04: default: - dev_priv->ramfc_offset = 0x11400; + 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; - uint32_t offset; - int ret; - - nv04_instmem_determine_amount(dev); - nv04_instmem_configure_fixed_tables(dev); + ret = nouveau_gpuobj_new_fake(dev, offset, ~0, length, + NVOBJ_FLAG_ZERO_ALLOC, &dev_priv->ramfc); + 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; + /* 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 @@ -140,46 +90,34 @@ 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 -nv04_instmem_populate(struct drm_device *dev, struct nouveau_gpuobj *gpuobj, uint32_t *sz) +nv04_instmem_populate(struct drm_device *dev, struct nouveau_gpuobj *gpuobj, + uint32_t *sz) { - if (gpuobj->im_backing) - return -EINVAL; - return 0; } void nv04_instmem_clear(struct drm_device *dev, struct nouveau_gpuobj *gpuobj) { - struct drm_nouveau_private *dev_priv = dev->dev_private; - - if (gpuobj && gpuobj->im_backing) { - if (gpuobj->im_bound) - dev_priv->engine.instmem.unbind(dev, gpuobj); - gpuobj->im_backing = NULL; - } } int nv04_instmem_bind(struct drm_device *dev, struct nouveau_gpuobj *gpuobj) { - if (!gpuobj->im_pramin || gpuobj->im_bound) - return -EINVAL; - - gpuobj->im_bound = 1; return 0; } int nv04_instmem_unbind(struct drm_device *dev, struct nouveau_gpuobj *gpuobj) { - if (gpuobj->im_bound == 0) - return -EINVAL; - - gpuobj->im_bound = 0; return 0; } |