diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv10_fence.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv10_fence.c | 166 |
1 files changed, 31 insertions, 135 deletions
diff --git a/drivers/gpu/drm/nouveau/nv10_fence.c b/drivers/gpu/drm/nouveau/nv10_fence.c index 8a1b7500918..06f434f03fb 100644 --- a/drivers/gpu/drm/nouveau/nv10_fence.c +++ b/drivers/gpu/drm/nouveau/nv10_fence.c @@ -22,24 +22,14 @@ * Authors: Ben Skeggs <bskeggs@redhat.com> */ -#include "drmP.h" -#include "nouveau_drv.h" -#include "nouveau_dma.h" -#include "nouveau_ramht.h" -#include "nouveau_fence.h" - -struct nv10_fence_chan { - struct nouveau_fence_chan base; -}; +#include <core/object.h> +#include <core/class.h> -struct nv10_fence_priv { - struct nouveau_fence_priv base; - struct nouveau_bo *bo; - spinlock_t lock; - u32 sequence; -}; +#include "nouveau_drm.h" +#include "nouveau_dma.h" +#include "nv10_fence.h" -static int +int nv10_fence_emit(struct nouveau_fence *fence) { struct nouveau_channel *chan = fence->channel; @@ -60,155 +50,61 @@ nv10_fence_sync(struct nouveau_fence *fence, return -ENODEV; } -static int -nv17_fence_sync(struct nouveau_fence *fence, - struct nouveau_channel *prev, struct nouveau_channel *chan) -{ - struct nv10_fence_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_FENCE); - u32 value; - int ret; - - if (!mutex_trylock(&prev->mutex)) - return -EBUSY; - - spin_lock(&priv->lock); - value = priv->sequence; - priv->sequence += 2; - spin_unlock(&priv->lock); - - ret = RING_SPACE(prev, 5); - if (!ret) { - BEGIN_NV04(prev, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 4); - OUT_RING (prev, NvSema); - OUT_RING (prev, 0); - OUT_RING (prev, value + 0); - OUT_RING (prev, value + 1); - FIRE_RING (prev); - } - - if (!ret && !(ret = RING_SPACE(chan, 5))) { - BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 4); - OUT_RING (chan, NvSema); - OUT_RING (chan, 0); - OUT_RING (chan, value + 1); - OUT_RING (chan, value + 2); - FIRE_RING (chan); - } - - mutex_unlock(&prev->mutex); - return 0; -} - -static u32 +u32 nv10_fence_read(struct nouveau_channel *chan) { - return nvchan_rd32(chan, 0x0048); + return nv_ro32(chan->object, 0x0048); } -static void -nv10_fence_context_del(struct nouveau_channel *chan, int engine) +void +nv10_fence_context_del(struct nouveau_channel *chan) { - struct nv10_fence_chan *fctx = chan->engctx[engine]; + struct nv10_fence_chan *fctx = chan->fence; nouveau_fence_context_del(&fctx->base); - chan->engctx[engine] = NULL; + chan->fence = NULL; kfree(fctx); } -static int -nv10_fence_context_new(struct nouveau_channel *chan, int engine) +int +nv10_fence_context_new(struct nouveau_channel *chan) { - struct nv10_fence_priv *priv = nv_engine(chan->dev, engine); struct nv10_fence_chan *fctx; - struct nouveau_gpuobj *obj; - int ret = 0; - fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL); + fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL); if (!fctx) return -ENOMEM; nouveau_fence_context_new(&fctx->base); - - if (priv->bo) { - struct ttm_mem_reg *mem = &priv->bo->bo.mem; - - ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_FROM_MEMORY, - mem->start * PAGE_SIZE, mem->size, - NV_MEM_ACCESS_RW, - NV_MEM_TARGET_VRAM, &obj); - if (!ret) { - ret = nouveau_ramht_insert(chan, NvSema, obj); - nouveau_gpuobj_ref(NULL, &obj); - } - } - - if (ret) - nv10_fence_context_del(chan, engine); - return ret; -} - -static int -nv10_fence_fini(struct drm_device *dev, int engine, bool suspend) -{ + fctx->base.emit = nv10_fence_emit; + fctx->base.read = nv10_fence_read; + fctx->base.sync = nv10_fence_sync; return 0; } -static int -nv10_fence_init(struct drm_device *dev, int engine) +void +nv10_fence_destroy(struct nouveau_drm *drm) { - return 0; -} - -static void -nv10_fence_destroy(struct drm_device *dev, int engine) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv10_fence_priv *priv = nv_engine(dev, engine); - + struct nv10_fence_priv *priv = drm->fence; + nouveau_bo_unmap(priv->bo); + if (priv->bo) + nouveau_bo_unpin(priv->bo); nouveau_bo_ref(NULL, &priv->bo); - dev_priv->eng[engine] = NULL; + drm->fence = NULL; kfree(priv); } int -nv10_fence_create(struct drm_device *dev) +nv10_fence_create(struct nouveau_drm *drm) { - struct drm_nouveau_private *dev_priv = dev->dev_private; struct nv10_fence_priv *priv; - int ret = 0; - priv = kzalloc(sizeof(*priv), GFP_KERNEL); + priv = drm->fence = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - priv->base.engine.destroy = nv10_fence_destroy; - priv->base.engine.init = nv10_fence_init; - priv->base.engine.fini = nv10_fence_fini; - priv->base.engine.context_new = nv10_fence_context_new; - priv->base.engine.context_del = nv10_fence_context_del; - priv->base.emit = nv10_fence_emit; - priv->base.read = nv10_fence_read; - priv->base.sync = nv10_fence_sync; - dev_priv->eng[NVOBJ_ENGINE_FENCE] = &priv->base.engine; + priv->base.dtor = nv10_fence_destroy; + priv->base.context_new = nv10_fence_context_new; + priv->base.context_del = nv10_fence_context_del; spin_lock_init(&priv->lock); - - if (dev_priv->chipset >= 0x17) { - ret = nouveau_bo_new(dev, 4096, 0x1000, TTM_PL_FLAG_VRAM, - 0, 0x0000, NULL, &priv->bo); - if (!ret) { - ret = nouveau_bo_pin(priv->bo, TTM_PL_FLAG_VRAM); - if (!ret) - ret = nouveau_bo_map(priv->bo); - if (ret) - nouveau_bo_ref(NULL, &priv->bo); - } - - if (ret == 0) { - nouveau_bo_wr32(priv->bo, 0x000, 0x00000000); - priv->base.sync = nv17_fence_sync; - } - } - - if (ret) - nv10_fence_destroy(dev, NVOBJ_ENGINE_FENCE); - return ret; + return 0; } |
