drm/nouveau: Make the MM aware of pre-G80 tiling.
This commit has also the following 3 bugfix commits squashed into it from
the nouveau git tree:
drm/nouveau: Fix up the tiling alignment restrictions for nv1x.
drm/nouveau: Fix up the nv2x tiling alignment restrictions.
drm/nv50: fix align typo for g9x
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 5158a12..fb9bdd6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -192,6 +192,92 @@
}
/*
+ * 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 @@
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);