[PATCH 5/7] nouveau: add PRIME support
Alex Deucher
alexdeucher at gmail.com
Tue May 22 14:13:54 PDT 2012
On Tue, May 22, 2012 at 8:50 AM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> This adds prime->fd and fd->prime support to nouveau,
> it passes the SG object to TTM, and then populates the
> GART entries using it.
>
> v2: add stubbed kmap + use new function to fill out pages array
> for faulting + add reimport test.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
Once again, not familair with nv gart, but the code is pretty much the
same as other asics...
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
> ---
> drivers/gpu/drm/nouveau/Makefile | 2 +-
> drivers/gpu/drm/nouveau/nouveau_bo.c | 42 ++++++--
> drivers/gpu/drm/nouveau/nouveau_channel.c | 2 +-
> drivers/gpu/drm/nouveau/nouveau_drv.c | 8 ++-
> drivers/gpu/drm/nouveau/nouveau_drv.h | 10 ++-
> drivers/gpu/drm/nouveau/nouveau_fence.c | 2 +-
> drivers/gpu/drm/nouveau/nouveau_gem.c | 6 +-
> drivers/gpu/drm/nouveau/nouveau_mem.c | 2 +-
> drivers/gpu/drm/nouveau/nouveau_prime.c | 163 +++++++++++++++++++++++++++++
> drivers/gpu/drm/nouveau/nouveau_sgdma.c | 5 +-
> drivers/gpu/drm/nouveau/nouveau_vm.c | 57 ++++++++++
> drivers/gpu/drm/nouveau/nouveau_vm.h | 6 +-
> drivers/gpu/drm/nouveau/nv04_crtc.c | 2 +-
> drivers/gpu/drm/nouveau/nv50_crtc.c | 4 +-
> drivers/gpu/drm/nouveau/nv50_evo.c | 4 +-
> drivers/gpu/drm/nouveau/nvd0_display.c | 6 +-
> 16 files changed, 296 insertions(+), 25 deletions(-)
> create mode 100644 drivers/gpu/drm/nouveau/nouveau_prime.c
>
> diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
> index 1a2ad7e..01f1335 100644
> --- a/drivers/gpu/drm/nouveau/Makefile
> +++ b/drivers/gpu/drm/nouveau/Makefile
> @@ -37,7 +37,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \
> nv50_calc.o \
> nv04_pm.o nv40_pm.o nv50_pm.o nva3_pm.o nvc0_pm.o \
> nv50_vram.o nvc0_vram.o \
> - nv50_vm.o nvc0_vm.o
> + nv50_vm.o nvc0_vm.o nouveau_prime.o
>
> nouveau-$(CONFIG_DRM_NOUVEAU_DEBUG) += nouveau_debugfs.o
> nouveau-$(CONFIG_COMPAT) += nouveau_ioc32.o
> diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
> index 81599d6..4435e11 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_bo.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
> @@ -89,12 +89,17 @@ nouveau_bo_fixup_align(struct nouveau_bo *nvbo, u32 flags,
> int
> nouveau_bo_new(struct drm_device *dev, int size, int align,
> uint32_t flags, uint32_t tile_mode, uint32_t tile_flags,
> + struct sg_table *sg,
> struct nouveau_bo **pnvbo)
> {
> struct drm_nouveau_private *dev_priv = dev->dev_private;
> struct nouveau_bo *nvbo;
> size_t acc_size;
> int ret;
> + int type = ttm_bo_type_device;
> +
> + if (sg)
> + type = ttm_bo_type_sg;
>
> nvbo = kzalloc(sizeof(struct nouveau_bo), GFP_KERNEL);
> if (!nvbo)
> @@ -120,8 +125,8 @@ nouveau_bo_new(struct drm_device *dev, int size, int align,
> sizeof(struct nouveau_bo));
>
> ret = ttm_bo_init(&dev_priv->ttm.bdev, &nvbo->bo, size,
> - ttm_bo_type_device, &nvbo->placement,
> - align >> PAGE_SHIFT, 0, false, NULL, acc_size, NULL,
> + type, &nvbo->placement,
> + align >> PAGE_SHIFT, 0, false, NULL, acc_size, sg,
> nouveau_bo_del_ttm);
> if (ret) {
> /* ttm will call nouveau_bo_del_ttm if it fails.. */
> @@ -817,9 +822,14 @@ nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem)
> } else
> if (new_mem && new_mem->mem_type == TTM_PL_TT &&
> nvbo->page_shift == vma->vm->spg_shift) {
> - nouveau_vm_map_sg(vma, 0, new_mem->
> - num_pages << PAGE_SHIFT,
> - new_mem->mm_node);
> + if (((struct nouveau_mem *)new_mem->mm_node)->sg)
> + nouveau_vm_map_sg_table(vma, 0, new_mem->
> + num_pages << PAGE_SHIFT,
> + new_mem->mm_node);
> + else
> + nouveau_vm_map_sg(vma, 0, new_mem->
> + num_pages << PAGE_SHIFT,
> + new_mem->mm_node);
> } else {
> nouveau_vm_unmap(vma);
> }
> @@ -1058,10 +1068,19 @@ nouveau_ttm_tt_populate(struct ttm_tt *ttm)
> struct drm_device *dev;
> unsigned i;
> int r;
> + bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
>
> if (ttm->state != tt_unpopulated)
> return 0;
>
> + if (slave && ttm->sg) {
> + /* make userspace faulting work */
> + drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
> + ttm_dma->dma_address, ttm->num_pages);
> + ttm->state = tt_unbound;
> + return 0;
> + }
> +
> dev_priv = nouveau_bdev(ttm->bdev);
> dev = dev_priv->dev;
>
> @@ -1106,6 +1125,10 @@ nouveau_ttm_tt_unpopulate(struct ttm_tt *ttm)
> struct drm_nouveau_private *dev_priv;
> struct drm_device *dev;
> unsigned i;
> + bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
> +
> + if (slave)
> + return;
>
> dev_priv = nouveau_bdev(ttm->bdev);
> dev = dev_priv->dev;
> @@ -1181,9 +1204,12 @@ nouveau_bo_vma_add(struct nouveau_bo *nvbo, struct nouveau_vm *vm,
>
> if (nvbo->bo.mem.mem_type == TTM_PL_VRAM)
> nouveau_vm_map(vma, nvbo->bo.mem.mm_node);
> - else
> - if (nvbo->bo.mem.mem_type == TTM_PL_TT)
> - nouveau_vm_map_sg(vma, 0, size, node);
> + else if (nvbo->bo.mem.mem_type == TTM_PL_TT) {
> + if (node->sg)
> + nouveau_vm_map_sg_table(vma, 0, size, node);
> + else
> + nouveau_vm_map_sg(vma, 0, size, node);
> + }
>
> list_add_tail(&vma->head, &nvbo->vma_list);
> vma->refcount = 1;
> diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
> index 846afb0..730bbb2 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_channel.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
> @@ -38,7 +38,7 @@ nouveau_channel_pushbuf_init(struct nouveau_channel *chan)
> int ret;
>
> /* allocate buffer object */
> - ret = nouveau_bo_new(dev, 65536, 0, mem, 0, 0, &chan->pushbuf_bo);
> + ret = nouveau_bo_new(dev, 65536, 0, mem, 0, 0, NULL, &chan->pushbuf_bo);
> if (ret)
> goto out;
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
> index 4f2030b..b394ecf 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_drv.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
> @@ -408,7 +408,7 @@ static struct drm_driver driver = {
> .driver_features =
> DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
> DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
> - DRIVER_MODESET,
> + DRIVER_MODESET | DRIVER_PRIME,
> .load = nouveau_load,
> .firstopen = nouveau_firstopen,
> .lastclose = nouveau_lastclose,
> @@ -430,6 +430,12 @@ static struct drm_driver driver = {
> .reclaim_buffers = drm_core_reclaim_buffers,
> .ioctls = nouveau_ioctls,
> .fops = &nouveau_driver_fops,
> +
> + .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
> + .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
> + .gem_prime_export = nouveau_gem_prime_export,
> + .gem_prime_import = nouveau_gem_prime_import,
> +
> .gem_init_object = nouveau_gem_object_new,
> .gem_free_object = nouveau_gem_object_del,
> .gem_open_object = nouveau_gem_object_open,
> diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
> index 3aef353..92c9a8a 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_drv.h
> +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
> @@ -86,6 +86,7 @@ struct nouveau_mem {
> u32 memtype;
> u64 offset;
> u64 size;
> + struct sg_table *sg;
> };
>
> struct nouveau_tile_reg {
> @@ -1416,7 +1417,9 @@ extern int nv04_crtc_create(struct drm_device *, int index);
> extern struct ttm_bo_driver nouveau_bo_driver;
> extern int nouveau_bo_new(struct drm_device *, int size, int align,
> uint32_t flags, uint32_t tile_mode,
> - uint32_t tile_flags, struct nouveau_bo **);
> + uint32_t tile_flags,
> + struct sg_table *sg,
> + struct nouveau_bo **);
> extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
> extern int nouveau_bo_unpin(struct nouveau_bo *);
> extern int nouveau_bo_map(struct nouveau_bo *);
> @@ -1501,6 +1504,11 @@ extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
> extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
> struct drm_file *);
>
> +extern struct dma_buf *nouveau_gem_prime_export(struct drm_device *dev,
> + struct drm_gem_object *obj, int flags);
> +extern struct drm_gem_object *nouveau_gem_prime_import(struct drm_device *dev,
> + struct dma_buf *dma_buf);
> +
> /* nouveau_display.c */
> int nouveau_display_create(struct drm_device *dev);
> void nouveau_display_destroy(struct drm_device *dev);
> diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
> index c1dc20f..965e3d2 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_fence.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
> @@ -573,7 +573,7 @@ nouveau_fence_init(struct drm_device *dev)
> /* Create a shared VRAM heap for cross-channel sync. */
> if (USE_SEMA(dev)) {
> ret = nouveau_bo_new(dev, size, 0, TTM_PL_FLAG_VRAM,
> - 0, 0, &dev_priv->fence.bo);
> + 0, 0, NULL, &dev_priv->fence.bo);
> if (ret)
> return ret;
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
> index ed52a6f..666dad0 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_gem.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
> @@ -23,6 +23,7 @@
> * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
> *
> */
> +#include <linux/dma-buf.h>
> #include "drmP.h"
> #include "drm.h"
>
> @@ -53,6 +54,9 @@ nouveau_gem_object_del(struct drm_gem_object *gem)
> nouveau_bo_unpin(nvbo);
> }
>
> + if (gem->import_attach)
> + drm_prime_gem_destroy(gem, nvbo->bo.sg);
> +
> ttm_bo_unref(&bo);
>
> drm_gem_object_release(gem);
> @@ -139,7 +143,7 @@ nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain,
> flags |= TTM_PL_FLAG_SYSTEM;
>
> ret = nouveau_bo_new(dev, size, align, flags, tile_mode,
> - tile_flags, pnvbo);
> + tile_flags, NULL, pnvbo);
> if (ret)
> return ret;
> nvbo = *pnvbo;
> diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
> index b08065f..bb2f0a4 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_mem.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
> @@ -416,7 +416,7 @@ nouveau_mem_vram_init(struct drm_device *dev)
>
> if (dev_priv->card_type < NV_50) {
> ret = nouveau_bo_new(dev, 256*1024, 0, TTM_PL_FLAG_VRAM,
> - 0, 0, &dev_priv->vga_ram);
> + 0, 0, NULL, &dev_priv->vga_ram);
> if (ret == 0)
> ret = nouveau_bo_pin(dev_priv->vga_ram,
> TTM_PL_FLAG_VRAM);
> diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c
> new file mode 100644
> index 0000000..ed6b846
> --- /dev/null
> +++ b/drivers/gpu/drm/nouveau/nouveau_prime.c
> @@ -0,0 +1,163 @@
> +
> +#include "drmP.h"
> +#include "drm.h"
> +
> +#include "nouveau_drv.h"
> +#include "nouveau_drm.h"
> +#include "nouveau_dma.h"
> +
> +#include <linux/dma-buf.h>
> +
> +static struct sg_table *nouveau_gem_map_dma_buf(struct dma_buf_attachment *attachment,
> + enum dma_data_direction dir)
> +{
> + struct nouveau_bo *nvbo = attachment->dmabuf->priv;
> + struct drm_device *dev = nvbo->gem->dev;
> + int npages = nvbo->bo.num_pages;
> + struct sg_table *sg;
> + int nents;
> +
> + mutex_lock(&dev->struct_mutex);
> + sg = drm_prime_pages_to_sg(nvbo->bo.ttm->pages, npages);
> + nents = dma_map_sg(attachment->dev, sg->sgl, sg->nents, dir);
> + mutex_unlock(&dev->struct_mutex);
> + return sg;
> +}
> +
> +static void nouveau_gem_unmap_dma_buf(struct dma_buf_attachment *attachment,
> + struct sg_table *sg, enum dma_data_direction dir)
> +{
> + dma_unmap_sg(attachment->dev, sg->sgl, sg->nents, dir);
> + sg_free_table(sg);
> + kfree(sg);
> +}
> +
> +static void nouveau_gem_dmabuf_release(struct dma_buf *dma_buf)
> +{
> + struct nouveau_bo *nvbo = dma_buf->priv;
> +
> + if (nvbo->gem->export_dma_buf == dma_buf) {
> + nvbo->gem->export_dma_buf = NULL;
> + drm_gem_object_unreference_unlocked(nvbo->gem);
> + }
> +}
> +
> +static void *nouveau_gem_kmap_atomic(struct dma_buf *dma_buf, unsigned long page_num)
> +{
> + return NULL;
> +}
> +
> +static void nouveau_gem_kunmap_atomic(struct dma_buf *dma_buf, unsigned long page_num, void *addr)
> +{
> +
> +}
> +static void *nouveau_gem_kmap(struct dma_buf *dma_buf, unsigned long page_num)
> +{
> + return NULL;
> +}
> +
> +static void nouveau_gem_kunmap(struct dma_buf *dma_buf, unsigned long page_num, void *addr)
> +{
> +
> +}
> +
> +struct dma_buf_ops nouveau_dmabuf_ops = {
> + .map_dma_buf = nouveau_gem_map_dma_buf,
> + .unmap_dma_buf = nouveau_gem_unmap_dma_buf,
> + .release = nouveau_gem_dmabuf_release,
> + .kmap = nouveau_gem_kmap,
> + .kmap_atomic = nouveau_gem_kmap_atomic,
> + .kunmap = nouveau_gem_kunmap,
> + .kunmap_atomic = nouveau_gem_kunmap_atomic,
> +};
> +
> +static int
> +nouveau_prime_new(struct drm_device *dev,
> + size_t size,
> + struct sg_table *sg,
> + struct nouveau_bo **pnvbo)
> +{
> + struct nouveau_bo *nvbo;
> + u32 flags = 0;
> + int ret;
> +
> + flags = TTM_PL_FLAG_TT;
> +
> + ret = nouveau_bo_new(dev, size, 0, flags, 0, 0,
> + sg, pnvbo);
> + if (ret)
> + return ret;
> + nvbo = *pnvbo;
> +
> + /* we restrict allowed domains on nv50+ to only the types
> + * that were requested at creation time. not possibly on
> + * earlier chips without busting the ABI.
> + */
> + nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_GART;
> + nvbo->gem = drm_gem_object_alloc(dev, nvbo->bo.mem.size);
> + if (!nvbo->gem) {
> + nouveau_bo_ref(NULL, pnvbo);
> + return -ENOMEM;
> + }
> +
> + nvbo->gem->driver_private = nvbo;
> + return 0;
> +}
> +
> +struct dma_buf *nouveau_gem_prime_export(struct drm_device *dev,
> + struct drm_gem_object *obj, int flags)
> +{
> + struct nouveau_bo *nvbo = nouveau_gem_object(obj);
> + int ret = 0;
> +
> + /* pin buffer into GTT */
> + ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_TT);
> + if (ret)
> + return ERR_PTR(-EINVAL);
> +
> + return dma_buf_export(nvbo, &nouveau_dmabuf_ops, obj->size, flags);
> +}
> +
> +struct drm_gem_object *nouveau_gem_prime_import(struct drm_device *dev,
> + struct dma_buf *dma_buf)
> +{
> + struct dma_buf_attachment *attach;
> + struct sg_table *sg;
> + struct nouveau_bo *nvbo;
> + int ret;
> +
> + if (dma_buf->ops == &nouveau_dmabuf_ops) {
> + nvbo = dma_buf->priv;
> + if (nvbo->gem) {
> + if (nvbo->gem->dev == dev) {
> + drm_gem_object_reference(nvbo->gem);
> + return nvbo->gem;
> + }
> + }
> + }
> + /* need to attach */
> + attach = dma_buf_attach(dma_buf, dev->dev);
> + if (IS_ERR(attach))
> + return ERR_PTR(PTR_ERR(attach));
> +
> + sg = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
> + if (IS_ERR(sg)) {
> + ret = PTR_ERR(sg);
> + goto fail_detach;
> + }
> +
> + ret = nouveau_prime_new(dev, dma_buf->size, sg, &nvbo);
> + if (ret)
> + goto fail_unmap;
> +
> + nvbo->gem->import_attach = attach;
> +
> + return nvbo->gem;
> +
> +fail_unmap:
> + dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL);
> +fail_detach:
> + dma_buf_detach(dma_buf, attach);
> + return ERR_PTR(ret);
> +}
> +
> diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> index 47f245e..27aac9a 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
> @@ -290,7 +290,10 @@ nv50_sgdma_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem)
> struct nouveau_mem *node = mem->mm_node;
>
> /* noop: bound in move_notify() */
> - node->pages = nvbe->ttm.dma_address;
> + if (ttm->sg) {
> + node->sg = ttm->sg;
> + } else
> + node->pages = nvbe->ttm.dma_address;
> return 0;
> }
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_vm.c b/drivers/gpu/drm/nouveau/nouveau_vm.c
> index 2bf6c03..11edd5e 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_vm.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_vm.c
> @@ -77,6 +77,63 @@ nouveau_vm_map(struct nouveau_vma *vma, struct nouveau_mem *node)
> }
>
> void
> +nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
> + struct nouveau_mem *mem)
> +{
> + struct nouveau_vm *vm = vma->vm;
> + int big = vma->node->type != vm->spg_shift;
> + u32 offset = vma->node->offset + (delta >> 12);
> + u32 bits = vma->node->type - 12;
> + u32 num = length >> vma->node->type;
> + u32 pde = (offset >> vm->pgt_bits) - vm->fpde;
> + u32 pte = (offset & ((1 << vm->pgt_bits) - 1)) >> bits;
> + u32 max = 1 << (vm->pgt_bits - bits);
> + unsigned m, sglen;
> + u32 end, len;
> + int i;
> + struct scatterlist *sg;
> +
> + for_each_sg(mem->sg->sgl, sg, mem->sg->nents, i) {
> + struct nouveau_gpuobj *pgt = vm->pgt[pde].obj[big];
> + sglen = sg_dma_len(sg) >> PAGE_SHIFT;
> +
> + end = pte + sglen;
> + if (unlikely(end >= max))
> + end = max;
> + len = end - pte;
> +
> + for (m = 0; m < len; m++) {
> + dma_addr_t addr = sg_dma_address(sg) + (m << PAGE_SHIFT);
> +
> + vm->map_sg(vma, pgt, mem, pte, 1, &addr);
> + num--;
> + pte++;
> +
> + if (num == 0)
> + goto finish;
> + }
> + if (unlikely(end >= max)) {
> + pde++;
> + pte = 0;
> + }
> + if (m < sglen) {
> + for (; m < sglen; m++) {
> + dma_addr_t addr = sg_dma_address(sg) + (m << PAGE_SHIFT);
> +
> + vm->map_sg(vma, pgt, mem, pte, 1, &addr);
> + num--;
> + pte++;
> + if (num == 0)
> + goto finish;
> + }
> + }
> +
> + }
> +finish:
> + vm->flush(vm);
> +}
> +
> +void
> nouveau_vm_map_sg(struct nouveau_vma *vma, u64 delta, u64 length,
> struct nouveau_mem *mem)
> {
> diff --git a/drivers/gpu/drm/nouveau/nouveau_vm.h b/drivers/gpu/drm/nouveau/nouveau_vm.h
> index 4fb6e72..a8246e7 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_vm.h
> +++ b/drivers/gpu/drm/nouveau/nouveau_vm.h
> @@ -72,6 +72,9 @@ struct nouveau_vm {
> u64 phys, u64 delta);
> void (*map_sg)(struct nouveau_vma *, struct nouveau_gpuobj *,
> struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
> +
> + void (*map_sg_table)(struct nouveau_vma *, struct nouveau_gpuobj *,
> + struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
> void (*unmap)(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt);
> void (*flush)(struct nouveau_vm *);
> };
> @@ -90,7 +93,8 @@ void nouveau_vm_unmap(struct nouveau_vma *);
> void nouveau_vm_unmap_at(struct nouveau_vma *, u64 offset, u64 length);
> void nouveau_vm_map_sg(struct nouveau_vma *, u64 offset, u64 length,
> struct nouveau_mem *);
> -
> +void nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
> + struct nouveau_mem *mem);
> /* nv50_vm.c */
> void nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
> struct nouveau_gpuobj *pgt[2]);
> diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c
> index 728d075..4c31c63 100644
> --- a/drivers/gpu/drm/nouveau/nv04_crtc.c
> +++ b/drivers/gpu/drm/nouveau/nv04_crtc.c
> @@ -1047,7 +1047,7 @@ nv04_crtc_create(struct drm_device *dev, int crtc_num)
> drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256);
>
> ret = nouveau_bo_new(dev, 64*64*4, 0x100, TTM_PL_FLAG_VRAM,
> - 0, 0x0000, &nv_crtc->cursor.nvbo);
> + 0, 0x0000, NULL, &nv_crtc->cursor.nvbo);
> if (!ret) {
> ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
> if (!ret)
> diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
> index 701b927..cad2abd 100644
> --- a/drivers/gpu/drm/nouveau/nv50_crtc.c
> +++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
> @@ -769,7 +769,7 @@ nv50_crtc_create(struct drm_device *dev, int index)
> nv_crtc->lut.depth = 0;
>
> ret = nouveau_bo_new(dev, 4096, 0x100, TTM_PL_FLAG_VRAM,
> - 0, 0x0000, &nv_crtc->lut.nvbo);
> + 0, 0x0000, NULL, &nv_crtc->lut.nvbo);
> if (!ret) {
> ret = nouveau_bo_pin(nv_crtc->lut.nvbo, TTM_PL_FLAG_VRAM);
> if (!ret)
> @@ -795,7 +795,7 @@ nv50_crtc_create(struct drm_device *dev, int index)
> drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256);
>
> ret = nouveau_bo_new(dev, 64*64*4, 0x100, TTM_PL_FLAG_VRAM,
> - 0, 0x0000, &nv_crtc->cursor.nvbo);
> + 0, 0x0000, NULL, &nv_crtc->cursor.nvbo);
> if (!ret) {
> ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
> if (!ret)
> diff --git a/drivers/gpu/drm/nouveau/nv50_evo.c b/drivers/gpu/drm/nouveau/nv50_evo.c
> index 9b962e9..ddcd555 100644
> --- a/drivers/gpu/drm/nouveau/nv50_evo.c
> +++ b/drivers/gpu/drm/nouveau/nv50_evo.c
> @@ -117,7 +117,7 @@ nv50_evo_channel_new(struct drm_device *dev, int chid,
> evo->user_get = 4;
> evo->user_put = 0;
>
> - ret = nouveau_bo_new(dev, 4096, 0, TTM_PL_FLAG_VRAM, 0, 0,
> + ret = nouveau_bo_new(dev, 4096, 0, TTM_PL_FLAG_VRAM, 0, 0, NULL,
> &evo->pushbuf_bo);
> if (ret == 0)
> ret = nouveau_bo_pin(evo->pushbuf_bo, TTM_PL_FLAG_VRAM);
> @@ -333,7 +333,7 @@ nv50_evo_create(struct drm_device *dev)
> goto err;
>
> ret = nouveau_bo_new(dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
> - 0, 0x0000, &dispc->sem.bo);
> + 0, 0x0000, NULL, &dispc->sem.bo);
> if (!ret) {
> ret = nouveau_bo_pin(dispc->sem.bo, TTM_PL_FLAG_VRAM);
> if (!ret)
> diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
> index 0247250..1f3a9b1 100644
> --- a/drivers/gpu/drm/nouveau/nvd0_display.c
> +++ b/drivers/gpu/drm/nouveau/nvd0_display.c
> @@ -882,7 +882,7 @@ nvd0_crtc_create(struct drm_device *dev, int index)
> drm_mode_crtc_set_gamma_size(crtc, 256);
>
> ret = nouveau_bo_new(dev, 64 * 64 * 4, 0x100, TTM_PL_FLAG_VRAM,
> - 0, 0x0000, &nv_crtc->cursor.nvbo);
> + 0, 0x0000, NULL, &nv_crtc->cursor.nvbo);
> if (!ret) {
> ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
> if (!ret)
> @@ -895,7 +895,7 @@ nvd0_crtc_create(struct drm_device *dev, int index)
> goto out;
>
> ret = nouveau_bo_new(dev, 8192, 0x100, TTM_PL_FLAG_VRAM,
> - 0, 0x0000, &nv_crtc->lut.nvbo);
> + 0, 0x0000, NULL, &nv_crtc->lut.nvbo);
> if (!ret) {
> ret = nouveau_bo_pin(nv_crtc->lut.nvbo, TTM_PL_FLAG_VRAM);
> if (!ret)
> @@ -2030,7 +2030,7 @@ nvd0_display_create(struct drm_device *dev)
>
> /* small shared memory area we use for notifiers and semaphores */
> ret = nouveau_bo_new(dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
> - 0, 0x0000, &disp->sync);
> + 0, 0x0000, NULL, &disp->sync);
> if (!ret) {
> ret = nouveau_bo_pin(disp->sync, TTM_PL_FLAG_VRAM);
> if (!ret)
> --
> 1.7.6
>
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