diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index d820ad29dfe..7eef3a11aaa 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -348,6 +348,9 @@ semaphore_acquire(struct nouveau_channel *chan, struct nouveau_semaphore *sema) OUT_RING (chan, 1); } else if (dev_priv->chipset < 0xc0) { + struct nouveau_vma *vma = &dev_priv->fence.bo->vma; + u64 offset = vma->offset + sema->mem->start; + /* * NV50 tries to be too smart and context-switch * between semaphores instead of doing a "first come, @@ -372,8 +375,8 @@ semaphore_acquire(struct nouveau_channel *chan, struct nouveau_semaphore *sema) BEGIN_RING(chan, NvSubSw, 0x0080, 1); OUT_RING (chan, 0); BEGIN_RING(chan, NvSubSw, 0x0010, 4); - OUT_RING (chan, upper_32_bits(sema->mem->start)); - OUT_RING (chan, lower_32_bits(sema->mem->start)); + OUT_RING (chan, upper_32_bits(offset)); + OUT_RING (chan, lower_32_bits(offset)); OUT_RING (chan, 1); OUT_RING (chan, 1); /* ACQUIRE_EQ */ } else { @@ -424,6 +427,9 @@ semaphore_release(struct nouveau_channel *chan, struct nouveau_semaphore *sema) } } else if (dev_priv->chipset < 0xc0) { + struct nouveau_vma *vma = &dev_priv->fence.bo->vma; + u64 offset = vma->offset + sema->mem->start; + /* * Emits release and forces the card to context switch right * afterwards, there may be another channel waiting for the @@ -435,8 +441,8 @@ semaphore_release(struct nouveau_channel *chan, struct nouveau_semaphore *sema) return ret; BEGIN_RING(chan, NvSubSw, 0x0010, 4); - OUT_RING (chan, upper_32_bits(sema->mem->start)); - OUT_RING (chan, lower_32_bits(sema->mem->start)); + OUT_RING (chan, upper_32_bits(offset)); + OUT_RING (chan, lower_32_bits(offset)); OUT_RING (chan, 1); OUT_RING (chan, 2); /* RELEASE */ BEGIN_RING(chan, NvSubSw, 0x0080, 1); @@ -545,7 +551,7 @@ nouveau_fence_channel_init(struct nouveau_channel *chan) OUT_RING(chan, NvSw); /* Create a DMA object for the shared cross-channel sync area. */ - if (USE_SEMA(dev)) { + if (USE_SEMA(dev) && dev_priv->chipset < 0x84) { struct ttm_mem_reg *mem = &dev_priv->fence.bo->bo.mem; ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, @@ -565,6 +571,12 @@ nouveau_fence_channel_init(struct nouveau_channel *chan) return ret; BEGIN_RING(chan, NvSubSw, NV_SW_DMA_SEMAPHORE, 1); OUT_RING(chan, NvSema); + } else { + ret = RING_SPACE(chan, 2); + if (ret) + return ret; + BEGIN_RING(chan, NvSubSw, NV_SW_DMA_SEMAPHORE, 1); + OUT_RING (chan, chan->vram_handle); /* whole VM */ } FIRE_RING(chan); |