From ac94a343c74fe0504663583a7590e89257214f0d Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Thu, 8 Jul 2010 15:28:48 +1000 Subject: [PATCH] drm/nv50: cleanup nv50_fifo.c Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_drv.h | 5 +- drivers/gpu/drm/nouveau/nv50_fifo.c | 107 ++++++++++---------------- drivers/gpu/drm/nouveau/nv50_graph.c | 6 +- 3 files changed, 45 insertions(+), 73 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index df55a115d401..f3dbce20332b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -294,10 +294,11 @@ struct nouveau_fb_engine { }; struct nouveau_fifo_engine { - void *priv; - int channels; + struct nouveau_gpuobj_ref *playlist[2]; + int cur_playlist; + int (*init)(struct drm_device *); void (*takedown)(struct drm_device *); diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c index d2d4fd0044f8..c4467b04cf1d 100644 --- a/drivers/gpu/drm/nouveau/nv50_fifo.c +++ b/drivers/gpu/drm/nouveau/nv50_fifo.c @@ -28,25 +28,18 @@ #include "drm.h" #include "nouveau_drv.h" -struct nv50_fifo_priv { - struct nouveau_gpuobj_ref *thingo[2]; - int cur_thingo; -}; - -#define IS_G80 ((dev_priv->chipset & 0xf0) == 0x50) - static void -nv50_fifo_init_thingo(struct drm_device *dev) +nv50_fifo_playlist_update(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv50_fifo_priv *priv = dev_priv->engine.fifo.priv; + struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo; struct nouveau_gpuobj_ref *cur; int i, nr; NV_DEBUG(dev, "\n"); - cur = priv->thingo[priv->cur_thingo]; - priv->cur_thingo = !priv->cur_thingo; + cur = pfifo->playlist[pfifo->cur_playlist]; + pfifo->cur_playlist = !pfifo->cur_playlist; /* We never schedule channel 0 or 127 */ for (i = 1, nr = 0; i < 127; i++) { @@ -60,8 +53,8 @@ nv50_fifo_init_thingo(struct drm_device *dev) nv_wr32(dev, 0x2500, 0x101); } -static int -nv50_fifo_channel_enable(struct drm_device *dev, int channel, bool nt) +static void +nv50_fifo_channel_enable(struct drm_device *dev, int channel) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_channel *chan = dev_priv->fifos[channel]; @@ -69,37 +62,28 @@ nv50_fifo_channel_enable(struct drm_device *dev, int channel, bool nt) NV_DEBUG(dev, "ch%d\n", channel); - if (!chan->ramfc) - return -EINVAL; - - if (IS_G80) + if (dev_priv->chipset == 0x50) inst = chan->ramfc->instance >> 12; else inst = chan->ramfc->instance >> 8; - nv_wr32(dev, NV50_PFIFO_CTX_TABLE(channel), - inst | NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED); - if (!nt) - nv50_fifo_init_thingo(dev); - return 0; + nv_wr32(dev, NV50_PFIFO_CTX_TABLE(channel), inst | + NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED); } static void -nv50_fifo_channel_disable(struct drm_device *dev, int channel, bool nt) +nv50_fifo_channel_disable(struct drm_device *dev, int channel) { struct drm_nouveau_private *dev_priv = dev->dev_private; uint32_t inst; - NV_DEBUG(dev, "ch%d, nt=%d\n", channel, nt); + NV_DEBUG(dev, "ch%d\n", channel); - if (IS_G80) + if (dev_priv->chipset == 0x50) inst = NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G80; else inst = NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G84; nv_wr32(dev, NV50_PFIFO_CTX_TABLE(channel), inst); - - if (!nt) - nv50_fifo_init_thingo(dev); } static void @@ -132,12 +116,12 @@ nv50_fifo_init_context_table(struct drm_device *dev) for (i = 0; i < NV50_PFIFO_CTX_TABLE__SIZE; i++) { if (dev_priv->fifos[i]) - nv50_fifo_channel_enable(dev, i, true); + nv50_fifo_channel_enable(dev, i); else - nv50_fifo_channel_disable(dev, i, true); + nv50_fifo_channel_disable(dev, i); } - nv50_fifo_init_thingo(dev); + nv50_fifo_playlist_update(dev); } static void @@ -161,41 +145,38 @@ nv50_fifo_init_regs(struct drm_device *dev) nv_wr32(dev, 0x3270, 0); /* Enable dummy channels setup by nv50_instmem.c */ - nv50_fifo_channel_enable(dev, 0, true); - nv50_fifo_channel_enable(dev, 127, true); + nv50_fifo_channel_enable(dev, 0); + nv50_fifo_channel_enable(dev, 127); } int nv50_fifo_init(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv50_fifo_priv *priv; + struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo; int ret; NV_DEBUG(dev, "\n"); - priv = dev_priv->engine.fifo.priv; - if (priv) { - priv->cur_thingo = !priv->cur_thingo; + if (pfifo->playlist[0]) { + pfifo->cur_playlist = !pfifo->cur_playlist; goto just_reset; } - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - dev_priv->engine.fifo.priv = priv; - ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, 128*4, 0x1000, - NVOBJ_FLAG_ZERO_ALLOC, &priv->thingo[0]); + NVOBJ_FLAG_ZERO_ALLOC, + &pfifo->playlist[0]); if (ret) { - NV_ERROR(dev, "error creating thingo0: %d\n", ret); + NV_ERROR(dev, "error creating playlist 0: %d\n", ret); return ret; } ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0, 128*4, 0x1000, - NVOBJ_FLAG_ZERO_ALLOC, &priv->thingo[1]); + NVOBJ_FLAG_ZERO_ALLOC, + &pfifo->playlist[1]); if (ret) { - NV_ERROR(dev, "error creating thingo1: %d\n", ret); + nouveau_gpuobj_ref_del(dev, &pfifo->playlist[0]); + NV_ERROR(dev, "error creating playlist 1: %d\n", ret); return ret; } @@ -215,18 +196,15 @@ void nv50_fifo_takedown(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv50_fifo_priv *priv = dev_priv->engine.fifo.priv; + struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo; NV_DEBUG(dev, "\n"); - if (!priv) + if (!pfifo->playlist[0]) return; - nouveau_gpuobj_ref_del(dev, &priv->thingo[0]); - nouveau_gpuobj_ref_del(dev, &priv->thingo[1]); - - dev_priv->engine.fifo.priv = NULL; - kfree(priv); + nouveau_gpuobj_ref_del(dev, &pfifo->playlist[0]); + nouveau_gpuobj_ref_del(dev, &pfifo->playlist[1]); } int @@ -247,7 +225,7 @@ nv50_fifo_create_context(struct nouveau_channel *chan) NV_DEBUG(dev, "ch%d\n", chan->id); - if (IS_G80) { + if (dev_priv->chipset == 0x50) { uint32_t ramin_poffset = chan->ramin->gpuobj->im_pramin->start; uint32_t ramin_voffset = chan->ramin->gpuobj->im_backing_start; @@ -292,7 +270,7 @@ nv50_fifo_create_context(struct nouveau_channel *chan) chan->dma.ib_base * 4); nv_wo32(dev, ramfc, 0x54/4, drm_order(chan->dma.ib_max + 1) << 16); - if (!IS_G80) { + if (dev_priv->chipset != 0x50) { nv_wo32(dev, chan->ramin->gpuobj, 0, chan->id); nv_wo32(dev, chan->ramin->gpuobj, 1, chan->ramfc->instance >> 8); @@ -303,14 +281,8 @@ nv50_fifo_create_context(struct nouveau_channel *chan) dev_priv->engine.instmem.flush(dev); - ret = nv50_fifo_channel_enable(dev, chan->id, false); - if (ret) { - NV_ERROR(dev, "error enabling ch%d: %d\n", chan->id, ret); - spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); - nouveau_gpuobj_ref_del(dev, &chan->ramfc); - return ret; - } - + nv50_fifo_channel_enable(dev, chan->id); + nv50_fifo_playlist_update(dev); spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); return 0; } @@ -325,11 +297,12 @@ nv50_fifo_destroy_context(struct nouveau_channel *chan) /* This will ensure the channel is seen as disabled. */ chan->ramfc = NULL; - nv50_fifo_channel_disable(dev, chan->id, false); + nv50_fifo_channel_disable(dev, chan->id); /* Dummy channel, also used on ch 127 */ if (chan->id == 0) - nv50_fifo_channel_disable(dev, 127, false); + nv50_fifo_channel_disable(dev, 127); + nv50_fifo_playlist_update(dev); nouveau_gpuobj_ref_del(dev, &ramfc); nouveau_gpuobj_ref_del(dev, &chan->cache); @@ -391,7 +364,7 @@ nv50_fifo_load_context(struct nouveau_channel *chan) nv_wr32(dev, NV03_PFIFO_CACHE1_GET, 0); /* guessing that all the 0x34xx regs aren't on NV50 */ - if (!IS_G80) { + if (dev_priv->chipset != 0x50) { nv_wr32(dev, 0x340c, nv_ro32(dev, ramfc, 0x88/4)); nv_wr32(dev, 0x3400, nv_ro32(dev, ramfc, 0x8c/4)); nv_wr32(dev, 0x3404, nv_ro32(dev, ramfc, 0x90/4)); @@ -473,7 +446,7 @@ nv50_fifo_unload_context(struct drm_device *dev) } /* guessing that all the 0x34xx regs aren't on NV50 */ - if (!IS_G80) { + if (dev_priv->chipset != 0x50) { nv_wo32(dev, ramfc, 0x84/4, ptr >> 1); nv_wo32(dev, ramfc, 0x88/4, nv_rd32(dev, 0x340c)); nv_wo32(dev, ramfc, 0x8c/4, nv_rd32(dev, 0x3400)); diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c index 395857a34a03..1413028e1580 100644 --- a/drivers/gpu/drm/nouveau/nv50_graph.c +++ b/drivers/gpu/drm/nouveau/nv50_graph.c @@ -30,8 +30,6 @@ #include "nouveau_grctx.h" -#define IS_G80 ((dev_priv->chipset & 0xf0) == 0x50) - static void nv50_graph_init_reset(struct drm_device *dev) { @@ -221,7 +219,7 @@ nv50_graph_create_context(struct nouveau_channel *chan) return ret; obj = chan->ramin_grctx->gpuobj; - hdr = IS_G80 ? 0x200 : 0x20; + hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20; nv_wo32(dev, ramin, (hdr + 0x00)/4, 0x00190002); nv_wo32(dev, ramin, (hdr + 0x04)/4, chan->ramin_grctx->instance + pgraph->grctx_size - 1); @@ -246,7 +244,7 @@ nv50_graph_destroy_context(struct nouveau_channel *chan) { struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; - int i, hdr = IS_G80 ? 0x200 : 0x20; + int i, hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20; NV_DEBUG(dev, "ch%d\n", chan->id); -- 2.39.5