diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 290 |
1 files changed, 194 insertions, 96 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index f6f44779d82..80353e2b840 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -36,21 +36,6 @@ #include <linux/log2.h> #include <linux/slab.h> -int -nouveau_bo_sync_gpu(struct nouveau_bo *nvbo, struct nouveau_channel *chan) -{ - struct nouveau_fence *prev_fence = nvbo->bo.sync_obj; - int ret; - - if (!prev_fence || nouveau_fence_channel(prev_fence) == chan) - return 0; - - spin_lock(&nvbo->bo.lock); - ret = ttm_bo_wait(&nvbo->bo, false, false, false); - spin_unlock(&nvbo->bo.lock); - return ret; -} - static void nouveau_bo_del_ttm(struct ttm_buffer_object *bo) { @@ -58,8 +43,6 @@ nouveau_bo_del_ttm(struct ttm_buffer_object *bo) struct drm_device *dev = dev_priv->dev; struct nouveau_bo *nvbo = nouveau_bo(bo); - ttm_bo_kunmap(&nvbo->kmap); - if (unlikely(nvbo->gem)) DRM_ERROR("bo %p still attached to GEM object\n", bo); @@ -164,8 +147,6 @@ nouveau_bo_new(struct drm_device *dev, struct nouveau_channel *chan, nouveau_bo_fixup_align(dev, tile_mode, tile_flags, &align, &size); align >>= PAGE_SHIFT; - nvbo->placement.fpfn = 0; - nvbo->placement.lpfn = mappable ? dev_priv->fb_mappable_pages : 0; nouveau_bo_placement_set(nvbo, flags, 0); nvbo->channel = chan; @@ -305,7 +286,8 @@ nouveau_bo_map(struct nouveau_bo *nvbo) void nouveau_bo_unmap(struct nouveau_bo *nvbo) { - ttm_bo_kunmap(&nvbo->kmap); + if (nvbo) + ttm_bo_kunmap(&nvbo->kmap); } u16 @@ -399,14 +381,19 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, man->default_caching = TTM_PL_FLAG_CACHED; break; case TTM_PL_VRAM: + man->func = &ttm_bo_manager_func; man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE; man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC; man->default_caching = TTM_PL_FLAG_WC; - man->gpu_offset = dev_priv->vm_vram_base; + if (dev_priv->card_type == NV_50) + man->gpu_offset = 0x40000000; + else + man->gpu_offset = 0; break; case TTM_PL_TT: + man->func = &ttm_bo_manager_func; switch (dev_priv->gart_info.type) { case NOUVEAU_GART_AGP: man->flags = TTM_MEMTYPE_FLAG_MAPPABLE; @@ -469,19 +456,26 @@ nouveau_bo_move_accel_cleanup(struct nouveau_channel *chan, if (ret) return ret; - ret = ttm_bo_move_accel_cleanup(&nvbo->bo, fence, NULL, - evict || (nvbo->channel && - nvbo->channel != chan), + if (nvbo->channel) { + ret = nouveau_fence_sync(fence, nvbo->channel); + if (ret) + goto out; + } + + ret = ttm_bo_move_accel_cleanup(&nvbo->bo, fence, NULL, evict, no_wait_reserve, no_wait_gpu, new_mem); +out: nouveau_fence_unref((void *)&fence); return ret; } static inline uint32_t -nouveau_bo_mem_ctxdma(struct nouveau_bo *nvbo, struct nouveau_channel *chan, - struct ttm_mem_reg *mem) +nouveau_bo_mem_ctxdma(struct ttm_buffer_object *bo, + struct nouveau_channel *chan, struct ttm_mem_reg *mem) { - if (chan == nouveau_bdev(nvbo->bo.bdev)->channel) { + struct nouveau_bo *nvbo = nouveau_bo(bo); + + if (nvbo->no_vm) { if (mem->mem_type == TTM_PL_TT) return NvDmaGART; return NvDmaVRAM; @@ -493,86 +487,181 @@ nouveau_bo_mem_ctxdma(struct nouveau_bo *nvbo, struct nouveau_channel *chan, } static int -nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr, - bool no_wait_reserve, bool no_wait_gpu, - struct ttm_mem_reg *new_mem) +nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, + struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem) { - struct nouveau_bo *nvbo = nouveau_bo(bo); struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev); - struct ttm_mem_reg *old_mem = &bo->mem; - struct nouveau_channel *chan; - uint64_t src_offset, dst_offset; - uint32_t page_count; + struct nouveau_bo *nvbo = nouveau_bo(bo); + u64 length = (new_mem->num_pages << PAGE_SHIFT); + u64 src_offset, dst_offset; int ret; - chan = nvbo->channel; - if (!chan || nvbo->tile_flags || nvbo->no_vm) - chan = dev_priv->channel; - - src_offset = old_mem->mm_node->start << PAGE_SHIFT; - dst_offset = new_mem->mm_node->start << PAGE_SHIFT; - if (chan != dev_priv->channel) { - if (old_mem->mem_type == TTM_PL_TT) - src_offset += dev_priv->vm_gart_base; - else + src_offset = old_mem->start << PAGE_SHIFT; + dst_offset = new_mem->start << PAGE_SHIFT; + if (!nvbo->no_vm) { + if (old_mem->mem_type == TTM_PL_VRAM) src_offset += dev_priv->vm_vram_base; - - if (new_mem->mem_type == TTM_PL_TT) - dst_offset += dev_priv->vm_gart_base; else + src_offset += dev_priv->vm_gart_base; + + if (new_mem->mem_type == TTM_PL_VRAM) dst_offset += dev_priv->vm_vram_base; + else + dst_offset += dev_priv->vm_gart_base; } ret = RING_SPACE(chan, 3); if (ret) return ret; - BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_DMA_SOURCE, 2); - OUT_RING(chan, nouveau_bo_mem_ctxdma(nvbo, chan, old_mem)); - OUT_RING(chan, nouveau_bo_mem_ctxdma(nvbo, chan, new_mem)); - if (dev_priv->card_type >= NV_50) { - ret = RING_SPACE(chan, 4); + BEGIN_RING(chan, NvSubM2MF, 0x0184, 2); + OUT_RING (chan, nouveau_bo_mem_ctxdma(bo, chan, old_mem)); + OUT_RING (chan, nouveau_bo_mem_ctxdma(bo, chan, new_mem)); + + while (length) { + u32 amount, stride, height; + + amount = min(length, (u64)(4 * 1024 * 1024)); + stride = 16 * 4; + height = amount / stride; + + if (new_mem->mem_type == TTM_PL_VRAM && nvbo->tile_flags) { + ret = RING_SPACE(chan, 8); + if (ret) + return ret; + + BEGIN_RING(chan, NvSubM2MF, 0x0200, 7); + OUT_RING (chan, 0); + OUT_RING (chan, 0); + OUT_RING (chan, stride); + OUT_RING (chan, height); + OUT_RING (chan, 1); + OUT_RING (chan, 0); + OUT_RING (chan, 0); + } else { + ret = RING_SPACE(chan, 2); + if (ret) + return ret; + + BEGIN_RING(chan, NvSubM2MF, 0x0200, 1); + OUT_RING (chan, 1); + } + if (old_mem->mem_type == TTM_PL_VRAM && nvbo->tile_flags) { + ret = RING_SPACE(chan, 8); + if (ret) + return ret; + + BEGIN_RING(chan, NvSubM2MF, 0x021c, 7); + OUT_RING (chan, 0); + OUT_RING (chan, 0); + OUT_RING (chan, stride); + OUT_RING (chan, height); + OUT_RING (chan, 1); + OUT_RING (chan, 0); + OUT_RING (chan, 0); + } else { + ret = RING_SPACE(chan, 2); + if (ret) + return ret; + + BEGIN_RING(chan, NvSubM2MF, 0x021c, 1); + OUT_RING (chan, 1); + } + + ret = RING_SPACE(chan, 14); if (ret) return ret; - BEGIN_RING(chan, NvSubM2MF, 0x0200, 1); - OUT_RING(chan, 1); - BEGIN_RING(chan, NvSubM2MF, 0x021c, 1); - OUT_RING(chan, 1); + + BEGIN_RING(chan, NvSubM2MF, 0x0238, 2); + OUT_RING (chan, upper_32_bits(src_offset)); + OUT_RING (chan, upper_32_bits(dst_offset)); + BEGIN_RING(chan, NvSubM2MF, 0x030c, 8); + OUT_RING (chan, lower_32_bits(src_offset)); + OUT_RING (chan, lower_32_bits(dst_offset)); + OUT_RING (chan, stride); + OUT_RING (chan, stride); + OUT_RING (chan, stride); + OUT_RING (chan, height); + OUT_RING (chan, 0x00000101); + OUT_RING (chan, 0x00000000); + BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1); + OUT_RING (chan, 0); + + length -= amount; + src_offset += amount; + dst_offset += amount; } + return 0; +} + +static int +nv04_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, + struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem) +{ + u32 src_offset = old_mem->start << PAGE_SHIFT; + u32 dst_offset = new_mem->start << PAGE_SHIFT; + u32 page_count = new_mem->num_pages; + int ret; + + ret = RING_SPACE(chan, 3); + if (ret) + return ret; + + BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_DMA_SOURCE, 2); + OUT_RING (chan, nouveau_bo_mem_ctxdma(bo, chan, old_mem)); + OUT_RING (chan, nouveau_bo_mem_ctxdma(bo, chan, new_mem)); + page_count = new_mem->num_pages; while (page_count) { int line_count = (page_count > 2047) ? 2047 : page_count; - if (dev_priv->card_type >= NV_50) { - ret = RING_SPACE(chan, 3); - if (ret) - return ret; - BEGIN_RING(chan, NvSubM2MF, 0x0238, 2); - OUT_RING(chan, upper_32_bits(src_offset)); - OUT_RING(chan, upper_32_bits(dst_offset)); - } ret = RING_SPACE(chan, 11); if (ret) return ret; + BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8); - OUT_RING(chan, lower_32_bits(src_offset)); - OUT_RING(chan, lower_32_bits(dst_offset)); - OUT_RING(chan, PAGE_SIZE); /* src_pitch */ - OUT_RING(chan, PAGE_SIZE); /* dst_pitch */ - OUT_RING(chan, PAGE_SIZE); /* line_length */ - OUT_RING(chan, line_count); - OUT_RING(chan, (1<<8)|(1<<0)); - OUT_RING(chan, 0); + OUT_RING (chan, src_offset); + OUT_RING (chan, dst_offset); + OUT_RING (chan, PAGE_SIZE); /* src_pitch */ + OUT_RING (chan, PAGE_SIZE); /* dst_pitch */ + OUT_RING (chan, PAGE_SIZE); /* line_length */ + OUT_RING (chan, line_count); + OUT_RING (chan, 0x00000101); + OUT_RING (chan, 0x00000000); BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1); - OUT_RING(chan, 0); + OUT_RING (chan, 0); page_count -= line_count; src_offset += (PAGE_SIZE * line_count); dst_offset += (PAGE_SIZE * line_count); } + return 0; +} + +static int +nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr, + bool no_wait_reserve, bool no_wait_gpu, + struct ttm_mem_reg *new_mem) +{ + struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev); + struct nouveau_bo *nvbo = nouveau_bo(bo); + struct nouveau_channel *chan; + int ret; + + chan = nvbo->channel; + if (!chan || nvbo->no_vm) + chan = dev_priv->channel; + + if (dev_priv->card_type < NV_50) + ret = nv04_bo_move_m2mf(chan, bo, &bo->mem, new_mem); + else + ret = nv50_bo_move_m2mf(chan, bo, &bo->mem, new_mem); + if (ret) + return ret; + return nouveau_bo_move_accel_cleanup(chan, nvbo, evict, no_wait_reserve, no_wait_gpu, new_mem); } @@ -606,12 +695,7 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr, ret = ttm_bo_move_ttm(bo, evict, no_wait_reserve, no_wait_gpu, new_mem); out: - if (tmp_mem.mm_node) { - spin_lock(&bo->bdev->glob->lru_lock); - drm_mm_put_block(tmp_mem.mm_node); - spin_unlock(&bo->bdev->glob->lru_lock); - } - + ttm_bo_mem_put(bo, &tmp_mem); return ret; } @@ -644,12 +728,7 @@ nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr, goto out; out: - if (tmp_mem.mm_node) { - spin_lock(&bo->bdev->glob->lru_lock); - drm_mm_put_block(tmp_mem.mm_node); - spin_unlock(&bo->bdev->glob->lru_lock); - } - + ttm_bo_mem_put(bo, &tmp_mem); return ret; } @@ -669,7 +748,7 @@ nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem, return 0; } - offset = new_mem->mm_node->start << PAGE_SHIFT; + offset = new_mem->start << PAGE_SHIFT; if (dev_priv->card_type == NV_50) { ret = nv50_mem_vm_bind_linear(dev, @@ -719,12 +798,6 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr, if (ret) return ret; - /* Software copy if the card isn't up and running yet. */ - if (!dev_priv->channel) { - ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem); - goto out; - } - /* Fake bo copy. */ if (old_mem->mem_type == TTM_PL_SYSTEM && !bo->ttm) { BUG_ON(bo->mem.mm_node != NULL); @@ -733,6 +806,12 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr, goto out; } + /* Software copy if the card isn't up and running yet. */ + if (!dev_priv->channel) { + ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem); + goto out; + } + /* Hardware assisted copy. */ if (new_mem->mem_type == TTM_PL_SYSTEM) ret = nouveau_bo_move_flipd(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem); @@ -783,14 +862,14 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) case TTM_PL_TT: #if __OS_HAS_AGP if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) { - mem->bus.offset = mem->mm_node->start << PAGE_SHIFT; + mem->bus.offset = mem->start << PAGE_SHIFT; mem->bus.base = dev_priv->gart_info.aper_base; mem->bus.is_iomem = true; } #endif break; case TTM_PL_VRAM: - mem->bus.offset = mem->mm_node->start << PAGE_SHIFT; + mem->bus.offset = mem->start << PAGE_SHIFT; mem->bus.base = pci_resource_start(dev->pdev, 1); mem->bus.is_iomem = true; break; @@ -808,7 +887,26 @@ nouveau_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) static int nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo) { - return 0; + struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev); + struct nouveau_bo *nvbo = nouveau_bo(bo); + + /* as long as the bo isn't in vram, and isn't tiled, we've got + * nothing to do here. + */ + if (bo->mem.mem_type != TTM_PL_VRAM) { + if (dev_priv->card_type < NV_50 || !nvbo->tile_flags) + return 0; + } + + /* make sure bo is in mappable vram */ + if (bo->mem.start + bo->mem.num_pages < dev_priv->fb_mappable_pages) + return 0; + + + nvbo->placement.fpfn = 0; + nvbo->placement.lpfn = dev_priv->fb_mappable_pages; + nouveau_bo_placement_set(nvbo, TTM_PL_VRAM, 0); + return ttm_bo_validate(bo, &nvbo->placement, false, true, false); } struct ttm_bo_driver nouveau_bo_driver = { |