From 48aca13f0167ae78c28c6b48d82a157a6692eecb Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Sun, 18 Mar 2012 00:40:41 +1000 Subject: [PATCH] drm/nouveau: remove m2mf creation on userspace channels Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_channel.c | 19 +++-- drivers/gpu/drm/nouveau/nouveau_dma.c | 61 +-------------- drivers/gpu/drm/nouveau/nouveau_drv.h | 3 +- drivers/gpu/drm/nouveau/nouveau_state.c | 91 +++++++++++++++++++---- 4 files changed, 93 insertions(+), 81 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index a018defb7621..337e228629ed 100644 --- a/drivers/gpu/drm/nouveau/nouveau_channel.c +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c @@ -122,7 +122,7 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret, struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv); struct nouveau_channel *chan; unsigned long flags; - int ret; + int ret, i; /* allocate and lock channel structure */ chan = kzalloc(sizeof(*chan), GFP_KERNEL); @@ -184,7 +184,7 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret, return ret; } - nouveau_dma_pre_init(chan); + nouveau_dma_init(chan); chan->user_put = 0x40; chan->user_get = 0x44; if (dev_priv->card_type >= NV_50) @@ -202,9 +202,18 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret, pfifo->reassign(dev, true); - ret = nouveau_dma_init(chan); - if (!ret) - ret = nouveau_fence_channel_init(chan); + /* Insert NOPs for NOUVEAU_DMA_SKIPS */ + ret = RING_SPACE(chan, NOUVEAU_DMA_SKIPS); + if (ret) { + nouveau_channel_put(&chan); + return ret; + } + + for (i = 0; i < NOUVEAU_DMA_SKIPS; i++) + OUT_RING (chan, 0x00000000); + FIRE_RING(chan); + + ret = nouveau_fence_channel_init(chan); if (ret) { nouveau_channel_put(&chan); return ret; diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c index 4c2e4e5925fe..295932e66ac5 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.c +++ b/drivers/gpu/drm/nouveau/nouveau_dma.c @@ -31,7 +31,7 @@ #include "nouveau_ramht.h" void -nouveau_dma_pre_init(struct nouveau_channel *chan) +nouveau_dma_init(struct nouveau_channel *chan) { struct drm_nouveau_private *dev_priv = chan->dev->dev_private; struct nouveau_bo *pushbuf = chan->pushbuf_bo; @@ -54,65 +54,6 @@ nouveau_dma_pre_init(struct nouveau_channel *chan) chan->dma.free = chan->dma.max - chan->dma.cur; } -int -nouveau_dma_init(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - int ret, i; - - if (dev_priv->card_type >= NV_C0) { - ret = nouveau_gpuobj_gr_new(chan, 0x9039, 0x9039); - if (ret) - return ret; - - ret = RING_SPACE(chan, 2); - if (ret) - return ret; - - BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0000, 1); - OUT_RING (chan, 0x00009039); - FIRE_RING (chan); - return 0; - } - - /* Create NV_MEMORY_TO_MEMORY_FORMAT for buffer moves */ - ret = nouveau_gpuobj_gr_new(chan, NvM2MF, dev_priv->card_type < NV_50 ? - 0x0039 : 0x5039); - if (ret) - return ret; - - /* NV_MEMORY_TO_MEMORY_FORMAT requires a notifier object */ - ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfe0, 0x1000, - &chan->m2mf_ntfy); - if (ret) - return ret; - - /* Insert NOPS for NOUVEAU_DMA_SKIPS */ - ret = RING_SPACE(chan, NOUVEAU_DMA_SKIPS); - if (ret) - return ret; - - for (i = 0; i < NOUVEAU_DMA_SKIPS; i++) - OUT_RING(chan, 0); - - /* Initialise NV_MEMORY_TO_MEMORY_FORMAT */ - ret = RING_SPACE(chan, 6); - if (ret) - return ret; - BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NAME, 1); - OUT_RING (chan, NvM2MF); - BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY, 3); - OUT_RING (chan, NvNotify0); - OUT_RING (chan, chan->vram_handle); - OUT_RING (chan, chan->gart_handle); - - /* Sit back and pray the channel works.. */ - FIRE_RING(chan); - - return 0; -} - void OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned nr_dwords) { diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 3dd620fc7837..2d6032e2063f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -1089,8 +1089,7 @@ nouveau_debugfs_channel_fini(struct nouveau_channel *chan) #endif /* nouveau_dma.c */ -extern void nouveau_dma_pre_init(struct nouveau_channel *); -extern int nouveau_dma_init(struct nouveau_channel *); +extern void nouveau_dma_init(struct nouveau_channel *); extern int nouveau_dma_wait(struct nouveau_channel *, int slots, int size); /* nouveau_acpi.c */ diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 9c144fb8bbba..6476cf604cc4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -552,6 +552,75 @@ static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev) return can_switch; } +static void +nouveau_card_channel_fini(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + if (dev_priv->channel) + nouveau_channel_put_unlocked(&dev_priv->channel); +} + +static int +nouveau_card_channel_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_channel *chan; + int ret, oclass; + + ret = nouveau_channel_alloc(dev, &chan, NULL, NvDmaFB, NvDmaTT); + dev_priv->channel = chan; + if (ret) + return ret; + + mutex_unlock(&dev_priv->channel->mutex); + + if (dev_priv->card_type <= NV_50) { + if (dev_priv->card_type < NV_50) + oclass = 0x0039; + else + oclass = 0x5039; + + ret = nouveau_gpuobj_gr_new(chan, NvM2MF, oclass); + if (ret) + goto error; + + ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfe0, 0x1000, + &chan->m2mf_ntfy); + if (ret) + goto error; + + ret = RING_SPACE(chan, 6); + if (ret) + goto error; + + BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NAME, 1); + OUT_RING (chan, NvM2MF); + BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY, 3); + OUT_RING (chan, NvNotify0); + OUT_RING (chan, chan->vram_handle); + OUT_RING (chan, chan->gart_handle); + } else + if (dev_priv->card_type <= NV_C0) { + ret = nouveau_gpuobj_gr_new(chan, 0x9039, 0x9039); + if (ret) + goto error; + + ret = RING_SPACE(chan, 2); + if (ret) + goto error; + + BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0000, 1); + OUT_RING (chan, 0x00009039); + } + + FIRE_RING (chan); +error: + if (ret) + nouveau_card_channel_fini(dev); + return ret; +} + int nouveau_card_init(struct drm_device *dev) { @@ -738,17 +807,14 @@ nouveau_card_init(struct drm_device *dev) nouveau_backlight_init(dev); nouveau_pm_init(dev); - if (dev_priv->eng[NVOBJ_ENGINE_GR]) { - ret = nouveau_fence_init(dev); - if (ret) - goto out_pm; + ret = nouveau_fence_init(dev); + if (ret) + goto out_pm; - ret = nouveau_channel_alloc(dev, &dev_priv->channel, NULL, - NvDmaFB, NvDmaTT); + if (!dev_priv->noaccel) { + ret = nouveau_card_channel_init(dev); if (ret) goto out_fence; - - mutex_unlock(&dev_priv->channel->mutex); } if (dev->mode_config.num_crtc) { @@ -762,7 +828,7 @@ nouveau_card_init(struct drm_device *dev) return 0; out_chan: - nouveau_channel_put_unlocked(&dev_priv->channel); + nouveau_card_channel_fini(dev); out_fence: nouveau_fence_fini(dev); out_pm: @@ -820,11 +886,8 @@ static void nouveau_card_takedown(struct drm_device *dev) nouveau_display_fini(dev); } - if (dev_priv->channel) { - nouveau_channel_put_unlocked(&dev_priv->channel); - nouveau_fence_fini(dev); - } - + nouveau_card_channel_fini(dev); + nouveau_fence_fini(dev); nouveau_pm_fini(dev); nouveau_backlight_exit(dev); nouveau_display_destroy(dev); -- 2.39.5