diff options
author | Dave Airlie <airlied@redhat.com> | 2010-01-11 14:43:16 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2010-01-11 14:43:16 +1000 |
commit | f22d6ddaeb8126623d62c828a4d4a96dfc4cbc5c (patch) | |
tree | f866bf0e2445144208a9884de89b50ca94c43be2 /drivers/gpu/drm/nouveau/nouveau_mem.c | |
parent | 0c9d2c418aa4a45534943c4c9a1c8dda82d3b481 (diff) | |
parent | 40c2298bdcc8b766a39964c44e9a74d16aa95d53 (diff) |
Merge branch 'for-airlied' of /ssd/git/drm-nouveau-next into drm-linus
* 'for-airlied' of /ssd/git/drm-nouveau-next: (28 commits)
drm/nv04: Fix set_operation software method.
drm/nouveau: initialise DMA tracking parameters earlier
drm/nouveau: use dma.max rather than pushbuf size for checking GET validity
drm/nv04: differentiate between nv04/nv05
drm/nouveau: Fix null deref in nouveau_fence_emit due to deleted fence
drm/nv50: prevent a possible ctxprog hang
drm/nouveau: have ttm's fault handler called directly
drm/nv50: restore correct cache1 get/put address on fifoctx load
drm/nouveau: create function for "dealing" with gpu lockup
drm/nouveau: remove unused nouveau_channel_idle() function
drm/nouveau: fix handling of fbcon colours in 8bpp
drm/nv04: Context switching fixes.
drm/nouveau: Use the software object for fencing.
drm/nouveau: Allocate a per-channel instance of NV_SW.
drm/nv50: make the blocksize depend on vram size
drm/nouveau: better alignment of bo sizes and use roundup instead of ALIGN
drm/nouveau: Don't skip card take down on nv0x.
drm/nouveau: Implement nv42-nv43 TV load detection.
drm/nouveau: Clean up the nv17-nv4x load detection code a bit.
drm/nv50: fix fillrect color
...
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_mem.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index 5158a12f784..fb9bdd6edf1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -192,6 +192,92 @@ void nouveau_mem_release(struct drm_file *file_priv, struct mem_block *heap) } /* + * NV10-NV40 tiling helpers + */ + +static void +nv10_mem_set_region_tiling(struct drm_device *dev, int i, uint32_t addr, + uint32_t size, uint32_t pitch) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo; + struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; + struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph; + struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i]; + + tile->addr = addr; + tile->size = size; + tile->used = !!pitch; + nouveau_fence_unref((void **)&tile->fence); + + if (!pfifo->cache_flush(dev)) + return; + + pfifo->reassign(dev, false); + pfifo->cache_flush(dev); + pfifo->cache_pull(dev, false); + + nouveau_wait_for_idle(dev); + + pgraph->set_region_tiling(dev, i, addr, size, pitch); + pfb->set_region_tiling(dev, i, addr, size, pitch); + + pfifo->cache_pull(dev, true); + pfifo->reassign(dev, true); +} + +struct nouveau_tile_reg * +nv10_mem_set_tiling(struct drm_device *dev, uint32_t addr, uint32_t size, + uint32_t pitch) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; + struct nouveau_tile_reg *tile = dev_priv->tile.reg, *found = NULL; + int i; + + spin_lock(&dev_priv->tile.lock); + + for (i = 0; i < pfb->num_tiles; i++) { + if (tile[i].used) + /* Tile region in use. */ + continue; + + if (tile[i].fence && + !nouveau_fence_signalled(tile[i].fence, NULL)) + /* Pending tile region. */ + continue; + + if (max(tile[i].addr, addr) < + min(tile[i].addr + tile[i].size, addr + size)) + /* Kill an intersecting tile region. */ + nv10_mem_set_region_tiling(dev, i, 0, 0, 0); + + if (pitch && !found) { + /* Free tile region. */ + nv10_mem_set_region_tiling(dev, i, addr, size, pitch); + found = &tile[i]; + } + } + + spin_unlock(&dev_priv->tile.lock); + + return found; +} + +void +nv10_mem_expire_tiling(struct drm_device *dev, struct nouveau_tile_reg *tile, + struct nouveau_fence *fence) +{ + if (fence) { + /* Mark it as pending. */ + tile->fence = fence; + nouveau_fence_ref(fence); + } + + tile->used = false; +} + +/* * NV50 VM helpers */ int @@ -513,6 +599,7 @@ nouveau_mem_init(struct drm_device *dev) INIT_LIST_HEAD(&dev_priv->ttm.bo_list); spin_lock_init(&dev_priv->ttm.bo_list_lock); + spin_lock_init(&dev_priv->tile.lock); dev_priv->fb_available_size = nouveau_mem_fb_amount(dev); |