From 9da226f698c01b268b9172050df4150f269a7613 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 13 Jul 2012 16:54:45 +1000 Subject: [PATCH] drm/nvc0/fifo: handle bar1 control regs much like fifo/nve0 The partial mapping thing is stupid and pointless... Signed-off-by: Ben Skeggs --- .../gpu/drm/nouveau/core/engine/fifo/nvc0.c | 40 ++++++++++--------- 1 file changed, 21 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c index 398f32df7e6e..8f0e63e62996 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c @@ -34,13 +34,15 @@ struct nvc0_fifo_priv { struct nouveau_fifo_priv base; struct nouveau_gpuobj *playlist[2]; int cur_playlist; - struct nouveau_vma user_vma; + struct { + struct nouveau_gpuobj *mem; + struct nouveau_vma bar; + } user; int spoon_nr; }; struct nvc0_fifo_chan { struct nouveau_fifo_chan base; - struct nouveau_gpuobj *user; }; static void @@ -78,6 +80,7 @@ nvc0_fifo_context_new(struct nouveau_channel *chan, int engine) struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem; struct nvc0_fifo_priv *priv = nv_engine(dev, engine); struct nvc0_fifo_chan *fctx; + u64 usermem = priv->user.mem->vinst + chan->id * 0x1000; u64 ib_virt = chan->pushbuf_base + chan->dma.ib_base * 4; int ret, i; @@ -86,26 +89,17 @@ nvc0_fifo_context_new(struct nouveau_channel *chan, int engine) return -ENOMEM; chan->user = ioremap_wc(pci_resource_start(dev->pdev, 1) + - priv->user_vma.offset + (chan->id * 0x1000), + priv->user.bar.offset + (chan->id * 0x1000), PAGE_SIZE); if (!chan->user) { ret = -ENOMEM; goto error; } - /* allocate vram for control regs, map into polling area */ - ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 0x1000, - NVOBJ_FLAG_ZERO_ALLOC, &fctx->user); - if (ret) - goto error; - - nouveau_vm_map_at(&priv->user_vma, chan->id * 0x1000, - *(struct nouveau_mem **)fctx->user->node); - for (i = 0; i < 0x100; i += 4) nv_wo32(chan->ramin, i, 0x00000000); - nv_wo32(chan->ramin, 0x08, lower_32_bits(fctx->user->vinst)); - nv_wo32(chan->ramin, 0x0c, upper_32_bits(fctx->user->vinst)); + nv_wo32(chan->ramin, 0x08, lower_32_bits(usermem)); + nv_wo32(chan->ramin, 0x0c, upper_32_bits(usermem)); nv_wo32(chan->ramin, 0x10, 0x0000face); nv_wo32(chan->ramin, 0x30, 0xfffff902); nv_wo32(chan->ramin, 0x48, lower_32_bits(ib_virt)); @@ -147,7 +141,6 @@ nvc0_fifo_context_del(struct nouveau_channel *chan, int engine) nvc0_fifo_playlist_update(dev); nv_wr32(dev, 0x003000 + (chan->id * 8), 0x00000000); - nouveau_gpuobj_ref(NULL, &fctx->user); if (chan->user) { iounmap(chan->user); chan->user = NULL; @@ -192,7 +185,7 @@ nvc0_fifo_init(struct drm_device *dev, int engine) } nv_mask(dev, 0x002200, 0x00000001, 0x00000001); - nv_wr32(dev, 0x002254, 0x10000000 | priv->user_vma.offset >> 12); + nv_wr32(dev, 0x002254, 0x10000000 | priv->user.bar.offset >> 12); nv_wr32(dev, 0x002a00, 0xffffffff); /* clears PFIFO.INTR bit 30 */ nv_wr32(dev, 0x002100, 0xffffffff); @@ -429,7 +422,9 @@ nvc0_fifo_destroy(struct drm_device *dev, int engine) struct nvc0_fifo_priv *priv = nv_engine(dev, NVOBJ_ENGINE_FIFO); struct drm_nouveau_private *dev_priv = dev->dev_private; - nouveau_vm_put(&priv->user_vma); + nouveau_vm_put(&priv->user.bar); + nouveau_gpuobj_ref(NULL, &priv->user.mem); + nouveau_gpuobj_ref(NULL, &priv->playlist[1]); nouveau_gpuobj_ref(NULL, &priv->playlist[0]); @@ -464,11 +459,18 @@ nvc0_fifo_create(struct drm_device *dev) if (ret) goto error; - ret = nouveau_vm_get(dev_priv->bar1_vm, priv->base.channels * 0x1000, - 12, NV_MEM_ACCESS_RW, &priv->user_vma); + ret = nouveau_gpuobj_new(dev, NULL, priv->base.channels * 4096, 0x1000, + NVOBJ_FLAG_ZERO_ALLOC, &priv->user.mem); if (ret) goto error; + ret = nouveau_vm_get(dev_priv->bar1_vm, priv->user.mem->size, + 12, NV_MEM_ACCESS_RW, &priv->user.bar); + if (ret) + goto error; + + nouveau_vm_map(&priv->user.bar, *(struct nouveau_mem **)priv->user.mem->node); + nouveau_irq_register(dev, 8, nvc0_fifo_isr); error: if (ret) -- 2.20.1