diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_instmem.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_instmem.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_instmem.c b/drivers/gpu/drm/nouveau/nv04_instmem.c deleted file mode 100644 index ef7a934a499a..000000000000 --- a/drivers/gpu/drm/nouveau/nv04_instmem.c +++ /dev/null @@ -1,193 +0,0 @@ -#include "drmP.h" -#include "drm.h" - -#include "nouveau_drv.h" -#include "nouveau_fifo.h" -#include "nouveau_ramht.h" - -/* returns the size of fifo context */ -static int -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 - if (dev_priv->chipset >= 0x10) - return 32 * 32; - - return 32 * 16; -} - -int nv04_instmem_init(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *ramht = NULL; - u32 offset, length; - int ret; - - /* 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, - 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); - 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 - * ("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) { - NV_ERROR(dev, "Failed to init RAMIN heap: %d\n", ret); - return ret; - } - - return 0; -} - -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); - - if (drm_mm_initialized(&dev_priv->ramin_heap)) - drm_mm_takedown(&dev_priv->ramin_heap); -} - -int -nv04_instmem_suspend(struct drm_device *dev) -{ - return 0; -} - -void -nv04_instmem_resume(struct drm_device *dev) -{ -} - -int -nv04_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 -nv04_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 -nv04_instmem_map(struct nouveau_gpuobj *gpuobj) -{ - gpuobj->pinst = gpuobj->vinst; - return 0; -} - -void -nv04_instmem_unmap(struct nouveau_gpuobj *gpuobj) -{ -} - -void -nv04_instmem_flush(struct drm_device *dev) -{ -} |