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path: root/drivers/gpu/drm/nouveau/nouveau_bo.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c671
1 files changed, 671 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
new file mode 100644
index 000000000000..320a14bceb99
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -0,0 +1,671 @@
+/*
+ * Copyright 2007 Dave Airlied
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+/*
+ * Authors: Dave Airlied <airlied@linux.ie>
+ * Ben Skeggs <darktama@iinet.net.au>
+ * Jeremy Kolb <jkolb@brandeis.edu>
+ */
+
+#include "drmP.h"
+
+#include "nouveau_drm.h"
+#include "nouveau_drv.h"
+#include "nouveau_dma.h"
+
+static void
+nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
+{
+ struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
+ 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);
+
+ spin_lock(&dev_priv->ttm.bo_list_lock);
+ list_del(&nvbo->head);
+ spin_unlock(&dev_priv->ttm.bo_list_lock);
+ kfree(nvbo);
+}
+
+int
+nouveau_bo_new(struct drm_device *dev, struct nouveau_channel *chan,
+ int size, int align, uint32_t flags, uint32_t tile_mode,
+ uint32_t tile_flags, bool no_vm, bool mappable,
+ struct nouveau_bo **pnvbo)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_bo *nvbo;
+ int ret, n = 0;
+
+ nvbo = kzalloc(sizeof(struct nouveau_bo), GFP_KERNEL);
+ if (!nvbo)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&nvbo->head);
+ INIT_LIST_HEAD(&nvbo->entry);
+ nvbo->mappable = mappable;
+ nvbo->no_vm = no_vm;
+ nvbo->tile_mode = tile_mode;
+ nvbo->tile_flags = tile_flags;
+
+ /*
+ * Some of the tile_flags have a periodic structure of N*4096 bytes,
+ * align to to that as well as the page size. Overallocate memory to
+ * avoid corruption of other buffer objects.
+ */
+ switch (tile_flags) {
+ case 0x1800:
+ case 0x2800:
+ case 0x4800:
+ case 0x7a00:
+ if (dev_priv->chipset >= 0xA0) {
+ /* This is based on high end cards with 448 bits
+ * memory bus, could be different elsewhere.*/
+ size += 6 * 28672;
+ /* 8 * 28672 is the actual alignment requirement,
+ * but we must also align to page size. */
+ align = 2 * 8 * 28672;
+ } else if (dev_priv->chipset >= 0x90) {
+ size += 3 * 16384;
+ align = 12 * 16834;
+ } else {
+ size += 3 * 8192;
+ /* 12 * 8192 is the actual alignment requirement,
+ * but we must also align to page size. */
+ align = 2 * 12 * 8192;
+ }
+ break;
+ default:
+ break;
+ }
+
+ align >>= PAGE_SHIFT;
+
+ size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+ if (dev_priv->card_type == NV_50) {
+ size = (size + 65535) & ~65535;
+ if (align < (65536 / PAGE_SIZE))
+ align = (65536 / PAGE_SIZE);
+ }
+
+ if (flags & TTM_PL_FLAG_VRAM)
+ nvbo->placements[n++] = TTM_PL_FLAG_VRAM | TTM_PL_MASK_CACHING;
+ if (flags & TTM_PL_FLAG_TT)
+ nvbo->placements[n++] = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
+ nvbo->placement.fpfn = 0;
+ nvbo->placement.lpfn = mappable ? dev_priv->fb_mappable_pages : 0;
+ nvbo->placement.placement = nvbo->placements;
+ nvbo->placement.busy_placement = nvbo->placements;
+ nvbo->placement.num_placement = n;
+ nvbo->placement.num_busy_placement = n;
+
+ nvbo->channel = chan;
+ nouveau_bo_placement_set(nvbo, flags);
+ ret = ttm_bo_init(&dev_priv->ttm.bdev, &nvbo->bo, size,
+ ttm_bo_type_device, &nvbo->placement, align, 0,
+ false, NULL, size, nouveau_bo_del_ttm);
+ nvbo->channel = NULL;
+ if (ret) {
+ /* ttm will call nouveau_bo_del_ttm if it fails.. */
+ return ret;
+ }
+
+ spin_lock(&dev_priv->ttm.bo_list_lock);
+ list_add_tail(&nvbo->head, &dev_priv->ttm.bo_list);
+ spin_unlock(&dev_priv->ttm.bo_list_lock);
+ *pnvbo = nvbo;
+ return 0;
+}
+
+void
+nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t memtype)
+{
+ int n = 0;
+
+ if (memtype & TTM_PL_FLAG_VRAM)
+ nvbo->placements[n++] = TTM_PL_FLAG_VRAM | TTM_PL_MASK_CACHING;
+ if (memtype & TTM_PL_FLAG_TT)
+ nvbo->placements[n++] = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
+ if (memtype & TTM_PL_FLAG_SYSTEM)
+ nvbo->placements[n++] = TTM_PL_FLAG_SYSTEM | TTM_PL_MASK_CACHING;
+ nvbo->placement.placement = nvbo->placements;
+ nvbo->placement.busy_placement = nvbo->placements;
+ nvbo->placement.num_placement = n;
+ nvbo->placement.num_busy_placement = n;
+}
+
+int
+nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t memtype)
+{
+ struct drm_nouveau_private *dev_priv = nouveau_bdev(nvbo->bo.bdev);
+ struct ttm_buffer_object *bo = &nvbo->bo;
+ int ret, i;
+
+ if (nvbo->pin_refcnt && !(memtype & (1 << bo->mem.mem_type))) {
+ NV_ERROR(nouveau_bdev(bo->bdev)->dev,
+ "bo %p pinned elsewhere: 0x%08x vs 0x%08x\n", bo,
+ 1 << bo->mem.mem_type, memtype);
+ return -EINVAL;
+ }
+
+ if (nvbo->pin_refcnt++)
+ return 0;
+
+ ret = ttm_bo_reserve(bo, false, false, false, 0);
+ if (ret)
+ goto out;
+
+ nouveau_bo_placement_set(nvbo, memtype);
+ for (i = 0; i < nvbo->placement.num_placement; i++)
+ nvbo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
+
+ ret = ttm_bo_validate(bo, &nvbo->placement, false, false);
+ if (ret == 0) {
+ switch (bo->mem.mem_type) {
+ case TTM_PL_VRAM:
+ dev_priv->fb_aper_free -= bo->mem.size;
+ break;
+ case TTM_PL_TT:
+ dev_priv->gart_info.aper_free -= bo->mem.size;
+ break;
+ default:
+ break;
+ }
+ }
+ ttm_bo_unreserve(bo);
+out:
+ if (unlikely(ret))
+ nvbo->pin_refcnt--;
+ return ret;
+}
+
+int
+nouveau_bo_unpin(struct nouveau_bo *nvbo)
+{
+ struct drm_nouveau_private *dev_priv = nouveau_bdev(nvbo->bo.bdev);
+ struct ttm_buffer_object *bo = &nvbo->bo;
+ int ret, i;
+
+ if (--nvbo->pin_refcnt)
+ return 0;
+
+ ret = ttm_bo_reserve(bo, false, false, false, 0);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < nvbo->placement.num_placement; i++)
+ nvbo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;
+
+ ret = ttm_bo_validate(bo, &nvbo->placement, false, false);
+ if (ret == 0) {
+ switch (bo->mem.mem_type) {
+ case TTM_PL_VRAM:
+ dev_priv->fb_aper_free += bo->mem.size;
+ break;
+ case TTM_PL_TT:
+ dev_priv->gart_info.aper_free += bo->mem.size;
+ break;
+ default:
+ break;
+ }
+ }
+
+ ttm_bo_unreserve(bo);
+ return ret;
+}
+
+int
+nouveau_bo_map(struct nouveau_bo *nvbo)
+{
+ int ret;
+
+ ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
+ if (ret)
+ return ret;
+
+ ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages, &nvbo->kmap);
+ ttm_bo_unreserve(&nvbo->bo);
+ return ret;
+}
+
+void
+nouveau_bo_unmap(struct nouveau_bo *nvbo)
+{
+ ttm_bo_kunmap(&nvbo->kmap);
+}
+
+u16
+nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index)
+{
+ bool is_iomem;
+ u16 *mem = ttm_kmap_obj_virtual(&nvbo->kmap, &is_iomem);
+ mem = &mem[index];
+ if (is_iomem)
+ return ioread16_native((void __force __iomem *)mem);
+ else
+ return *mem;
+}
+
+void
+nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val)
+{
+ bool is_iomem;
+ u16 *mem = ttm_kmap_obj_virtual(&nvbo->kmap, &is_iomem);
+ mem = &mem[index];
+ if (is_iomem)
+ iowrite16_native(val, (void __force __iomem *)mem);
+ else
+ *mem = val;
+}
+
+u32
+nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index)
+{
+ bool is_iomem;
+ u32 *mem = ttm_kmap_obj_virtual(&nvbo->kmap, &is_iomem);
+ mem = &mem[index];
+ if (is_iomem)
+ return ioread32_native((void __force __iomem *)mem);
+ else
+ return *mem;
+}
+
+void
+nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val)
+{
+ bool is_iomem;
+ u32 *mem = ttm_kmap_obj_virtual(&nvbo->kmap, &is_iomem);
+ mem = &mem[index];
+ if (is_iomem)
+ iowrite32_native(val, (void __force __iomem *)mem);
+ else
+ *mem = val;
+}
+
+static struct ttm_backend *
+nouveau_bo_create_ttm_backend_entry(struct ttm_bo_device *bdev)
+{
+ struct drm_nouveau_private *dev_priv = nouveau_bdev(bdev);
+ struct drm_device *dev = dev_priv->dev;
+
+ switch (dev_priv->gart_info.type) {
+ case NOUVEAU_GART_AGP:
+ return ttm_agp_backend_init(bdev, dev->agp->bridge);
+ case NOUVEAU_GART_SGDMA:
+ return nouveau_sgdma_init_ttm(dev);
+ default:
+ NV_ERROR(dev, "Unknown GART type %d\n",
+ dev_priv->gart_info.type);
+ break;
+ }
+
+ return NULL;
+}
+
+static int
+nouveau_bo_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
+{
+ /* We'll do this from user space. */
+ return 0;
+}
+
+static int
+nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
+ struct ttm_mem_type_manager *man)
+{
+ struct drm_nouveau_private *dev_priv = nouveau_bdev(bdev);
+ struct drm_device *dev = dev_priv->dev;
+
+ switch (type) {
+ case TTM_PL_SYSTEM:
+ man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
+ man->available_caching = TTM_PL_MASK_CACHING;
+ man->default_caching = TTM_PL_FLAG_CACHED;
+ break;
+ case TTM_PL_VRAM:
+ man->flags = TTM_MEMTYPE_FLAG_FIXED |
+ TTM_MEMTYPE_FLAG_MAPPABLE |
+ TTM_MEMTYPE_FLAG_NEEDS_IOREMAP;
+ man->available_caching = TTM_PL_FLAG_UNCACHED |
+ TTM_PL_FLAG_WC;
+ man->default_caching = TTM_PL_FLAG_WC;
+
+ man->io_addr = NULL;
+ man->io_offset = drm_get_resource_start(dev, 1);
+ man->io_size = drm_get_resource_len(dev, 1);
+ if (man->io_size > nouveau_mem_fb_amount(dev))
+ man->io_size = nouveau_mem_fb_amount(dev);
+
+ man->gpu_offset = dev_priv->vm_vram_base;
+ break;
+ case TTM_PL_TT:
+ switch (dev_priv->gart_info.type) {
+ case NOUVEAU_GART_AGP:
+ man->flags = TTM_MEMTYPE_FLAG_MAPPABLE |
+ TTM_MEMTYPE_FLAG_NEEDS_IOREMAP;
+ man->available_caching = TTM_PL_FLAG_UNCACHED;
+ man->default_caching = TTM_PL_FLAG_UNCACHED;
+ break;
+ case NOUVEAU_GART_SGDMA:
+ man->flags = TTM_MEMTYPE_FLAG_MAPPABLE |
+ TTM_MEMTYPE_FLAG_CMA;
+ man->available_caching = TTM_PL_MASK_CACHING;
+ man->default_caching = TTM_PL_FLAG_CACHED;
+ break;
+ default:
+ NV_ERROR(dev, "Unknown GART type: %d\n",
+ dev_priv->gart_info.type);
+ return -EINVAL;
+ }
+
+ man->io_offset = dev_priv->gart_info.aper_base;
+ man->io_size = dev_priv->gart_info.aper_size;
+ man->io_addr = NULL;
+ man->gpu_offset = dev_priv->vm_gart_base;
+ break;
+ default:
+ NV_ERROR(dev, "Unsupported memory type %u\n", (unsigned)type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void
+nouveau_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
+{
+ struct nouveau_bo *nvbo = nouveau_bo(bo);
+
+ switch (bo->mem.mem_type) {
+ default:
+ nouveau_bo_placement_set(nvbo, TTM_PL_FLAG_SYSTEM);
+ break;
+ }
+}
+
+
+/* GPU-assisted copy using NV_MEMORY_TO_MEMORY_FORMAT, can access
+ * TTM_PL_{VRAM,TT} directly.
+ */
+static int
+nouveau_bo_move_accel_cleanup(struct nouveau_channel *chan,
+ struct nouveau_bo *nvbo, bool evict, bool no_wait,
+ struct ttm_mem_reg *new_mem)
+{
+ struct nouveau_fence *fence = NULL;
+ int ret;
+
+ ret = nouveau_fence_new(chan, &fence, true);
+ if (ret)
+ return ret;
+
+ ret = ttm_bo_move_accel_cleanup(&nvbo->bo, fence, NULL,
+ evict, no_wait, new_mem);
+ 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)
+{
+ if (chan == nouveau_bdev(nvbo->bo.bdev)->channel) {
+ if (mem->mem_type == TTM_PL_TT)
+ return NvDmaGART;
+ return NvDmaVRAM;
+ }
+
+ if (mem->mem_type == TTM_PL_TT)
+ return chan->gart_handle;
+ return chan->vram_handle;
+}
+
+static int
+nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, int no_wait,
+ 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 nouveau_channel *chan;
+ uint64_t src_offset, dst_offset;
+ uint32_t page_count;
+ int ret;
+
+ chan = nvbo->channel;
+ if (!chan || nvbo->tile_flags || nvbo->no_vm) {
+ chan = dev_priv->channel;
+ if (!chan)
+ return -EINVAL;
+ }
+
+ 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 += dev_priv->vm_vram_base;
+
+ if (new_mem->mem_type == TTM_PL_TT)
+ dst_offset += dev_priv->vm_gart_base;
+ else
+ dst_offset += dev_priv->vm_vram_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);
+ if (ret)
+ return ret;
+ BEGIN_RING(chan, NvSubM2MF, 0x0200, 1);
+ OUT_RING(chan, 1);
+ BEGIN_RING(chan, NvSubM2MF, 0x021c, 1);
+ OUT_RING(chan, 1);
+ }
+
+ 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);
+ BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
+ OUT_RING(chan, 0);
+
+ page_count -= line_count;
+ src_offset += (PAGE_SIZE * line_count);
+ dst_offset += (PAGE_SIZE * line_count);
+ }
+
+ return nouveau_bo_move_accel_cleanup(chan, nvbo, evict, no_wait, new_mem);
+}
+
+static int
+nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
+ bool no_wait, struct ttm_mem_reg *new_mem)
+{
+ u32 placement_memtype = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
+ struct ttm_placement placement;
+ struct ttm_mem_reg tmp_mem;
+ int ret;
+
+ placement.fpfn = placement.lpfn = 0;
+ placement.num_placement = placement.num_busy_placement = 1;
+ placement.placement = &placement_memtype;
+
+ tmp_mem = *new_mem;
+ tmp_mem.mm_node = NULL;
+ ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, intr, no_wait);
+ if (ret)
+ return ret;
+
+ ret = ttm_tt_bind(bo->ttm, &tmp_mem);
+ if (ret)
+ goto out;
+
+ ret = nouveau_bo_move_m2mf(bo, true, no_wait, &bo->mem, &tmp_mem);
+ if (ret)
+ goto out;
+
+ ret = ttm_bo_move_ttm(bo, evict, no_wait, 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);
+ }
+
+ return ret;
+}
+
+static int
+nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr,
+ bool no_wait, struct ttm_mem_reg *new_mem)
+{
+ u32 placement_memtype = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
+ struct ttm_placement placement;
+ struct ttm_mem_reg tmp_mem;
+ int ret;
+
+ placement.fpfn = placement.lpfn = 0;
+ placement.num_placement = placement.num_busy_placement = 1;
+ placement.placement = &placement_memtype;
+
+ tmp_mem = *new_mem;
+ tmp_mem.mm_node = NULL;
+ ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, intr, no_wait);
+ if (ret)
+ return ret;
+
+ ret = ttm_bo_move_ttm(bo, evict, no_wait, &tmp_mem);
+ if (ret)
+ goto out;
+
+ ret = nouveau_bo_move_m2mf(bo, true, no_wait, &bo->mem, new_mem);
+ if (ret)
+ 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);
+ }
+
+ return ret;
+}
+
+static int
+nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr,
+ bool no_wait, struct ttm_mem_reg *new_mem)
+{
+ struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
+ struct nouveau_bo *nvbo = nouveau_bo(bo);
+ struct drm_device *dev = dev_priv->dev;
+ struct ttm_mem_reg *old_mem = &bo->mem;
+ int ret;
+
+ if (dev_priv->card_type == NV_50 && new_mem->mem_type == TTM_PL_VRAM &&
+ !nvbo->no_vm) {
+ uint64_t offset = new_mem->mm_node->start << PAGE_SHIFT;
+
+ ret = nv50_mem_vm_bind_linear(dev,
+ offset + dev_priv->vm_vram_base,
+ new_mem->size, nvbo->tile_flags,
+ offset);
+ if (ret)
+ return ret;
+ }
+
+ if (dev_priv->init_state != NOUVEAU_CARD_INIT_DONE)
+ return ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+
+ if (old_mem->mem_type == TTM_PL_SYSTEM && !bo->ttm) {
+ BUG_ON(bo->mem.mm_node != NULL);
+ bo->mem = *new_mem;
+ new_mem->mm_node = NULL;
+ return 0;
+ }
+
+ if (new_mem->mem_type == TTM_PL_SYSTEM) {
+ if (old_mem->mem_type == TTM_PL_SYSTEM)
+ return ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+ if (nouveau_bo_move_flipd(bo, evict, intr, no_wait, new_mem))
+ return ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+ } else if (old_mem->mem_type == TTM_PL_SYSTEM) {
+ if (nouveau_bo_move_flips(bo, evict, intr, no_wait, new_mem))
+ return ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+ } else {
+ if (nouveau_bo_move_m2mf(bo, evict, no_wait, old_mem, new_mem))
+ return ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+ }
+
+ return 0;
+}
+
+static int
+nouveau_bo_verify_access(struct ttm_buffer_object *bo, struct file *filp)
+{
+ return 0;
+}
+
+struct ttm_bo_driver nouveau_bo_driver = {
+ .create_ttm_backend_entry = nouveau_bo_create_ttm_backend_entry,
+ .invalidate_caches = nouveau_bo_invalidate_caches,
+ .init_mem_type = nouveau_bo_init_mem_type,
+ .evict_flags = nouveau_bo_evict_flags,
+ .move = nouveau_bo_move,
+ .verify_access = nouveau_bo_verify_access,
+ .sync_obj_signaled = nouveau_fence_signalled,
+ .sync_obj_wait = nouveau_fence_wait,
+ .sync_obj_flush = nouveau_fence_flush,
+ .sync_obj_unref = nouveau_fence_unref,
+ .sync_obj_ref = nouveau_fence_ref,
+};
+
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 10:32:17 +0300