Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linux

* 'drm-core-next' of git://people.freedesktop.org/~airlied/linux: (307 commits)
  drm/nouveau/pm: fix build with HWMON off
  gma500: silence gcc warnings in mid_get_vbt_data()
  drm/ttm: fix condition (and vs or)
  drm/radeon: double lock typo in radeon_vm_bo_rmv()
  drm/radeon: use after free in radeon_vm_bo_add()
  drm/sis|via: don't return stack garbage from free_mem ioctl
  drm/radeon/kms: remove pointless CS flags priority struct
  drm/radeon/kms: check if vm is supported in VA ioctl
  drm: introduce drm_can_sleep and use in intel/radeon drivers. (v2)
  radeon: Fix disabling PCI bus mastering on big endian hosts.
  ttm: fix agp since ttm tt rework
  agp: Fix multi-line warning message whitespace
  drm/ttm/dma: Fix accounting error when calling ttm_mem_global_free_page and don't try to free freed pages.
  drm/ttm/dma: Only call set_pages_array_wb when the page is not in WB pool.
  drm/radeon/kms: sync across multiple rings when doing bo moves v3
  drm/radeon/kms: Add support for multi-ring sync in CS ioctl (v2)
  drm/radeon: GPU virtual memory support v22
  drm: make DRM_UNLOCKED ioctls with their own mutex
  drm: no need to hold global mutex for static data
  drm/radeon/benchmark: common modes sweep ignores 640x480@32
  ...

Fix up trivial conflicts in radeon/evergreen.c and vmwgfx/vmwgfx_kms.c

1 files changed, 53 insertions, 126 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index c8a463b76c89..47f245edf538 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -8,91 +8,30 @@
 #define NV_CTXDMA_PAGE_MASK  (NV_CTXDMA_PAGE_SIZE - 1)
 
 struct nouveau_sgdma_be {
-	struct ttm_backend backend;
+	/* this has to be the first field so populate/unpopulated in
+	 * nouve_bo.c works properly, otherwise have to move them here
+	 */
+	struct ttm_dma_tt ttm;
 	struct drm_device *dev;
-
-	dma_addr_t *pages;
-	unsigned nr_pages;
-	bool unmap_pages;
-
 	u64 offset;
-	bool bound;
 };
 
-static int
-nouveau_sgdma_populate(struct ttm_backend *be, unsigned long num_pages,
-		       struct page **pages, struct page *dummy_read_page,
-		       dma_addr_t *dma_addrs)
-{
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
-	struct drm_device *dev = nvbe->dev;
-	int i;
-
-	NV_DEBUG(nvbe->dev, "num_pages = %ld\n", num_pages);
-
-	nvbe->pages = dma_addrs;
-	nvbe->nr_pages = num_pages;
-	nvbe->unmap_pages = true;
-
-	/* this code path isn't called and is incorrect anyways */
-	if (0) { /* dma_addrs[0] != DMA_ERROR_CODE) { */
-		nvbe->unmap_pages = false;
-		return 0;
-	}
-
-	for (i = 0; i < num_pages; i++) {
-		nvbe->pages[i] = pci_map_page(dev->pdev, pages[i], 0,
-					      PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-		if (pci_dma_mapping_error(dev->pdev, nvbe->pages[i])) {
-			nvbe->nr_pages = --i;
-			be->func->clear(be);
-			return -EFAULT;
-		}
-	}
-
-	return 0;
-}
-
 static void
-nouveau_sgdma_clear(struct ttm_backend *be)
+nouveau_sgdma_destroy(struct ttm_tt *ttm)
 {
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
-	struct drm_device *dev = nvbe->dev;
-
-	if (nvbe->bound)
-		be->func->unbind(be);
+	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 
-	if (nvbe->unmap_pages) {
-		while (nvbe->nr_pages--) {
-			pci_unmap_page(dev->pdev, nvbe->pages[nvbe->nr_pages],
-				       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-		}
-		nvbe->unmap_pages = false;
-	}
-
-	nvbe->pages = NULL;
-}
-
-static void
-nouveau_sgdma_destroy(struct ttm_backend *be)
-{
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
-
-	if (be) {
+	if (ttm) {
 		NV_DEBUG(nvbe->dev, "\n");
-
-		if (nvbe) {
-			if (nvbe->pages)
-				be->func->clear(be);
-			kfree(nvbe);
-		}
+		ttm_dma_tt_fini(&nvbe->ttm);
+		kfree(nvbe);
 	}
 }
 
 static int
-nv04_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
+nv04_sgdma_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem)
 {
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
+	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 	struct drm_device *dev = nvbe->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *gpuobj = dev_priv->gart_info.sg_ctxdma;
@@ -102,8 +41,8 @@ nv04_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
 
 	nvbe->offset = mem->start << PAGE_SHIFT;
 	pte = (nvbe->offset >> NV_CTXDMA_PAGE_SHIFT) + 2;
-	for (i = 0; i < nvbe->nr_pages; i++) {
-		dma_addr_t dma_offset = nvbe->pages[i];
+	for (i = 0; i < ttm->num_pages; i++) {
+		dma_addr_t dma_offset = nvbe->ttm.dma_address[i];
 		uint32_t offset_l = lower_32_bits(dma_offset);
 
 		for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++, pte++) {
@@ -112,14 +51,13 @@ nv04_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
 		}
 	}
 
-	nvbe->bound = true;
 	return 0;
 }
 
 static int
-nv04_sgdma_unbind(struct ttm_backend *be)
+nv04_sgdma_unbind(struct ttm_tt *ttm)
 {
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
+	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 	struct drm_device *dev = nvbe->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *gpuobj = dev_priv->gart_info.sg_ctxdma;
@@ -127,22 +65,19 @@ nv04_sgdma_unbind(struct ttm_backend *be)
 
 	NV_DEBUG(dev, "\n");
 
-	if (!nvbe->bound)
+	if (ttm->state != tt_bound)
 		return 0;
 
 	pte = (nvbe->offset >> NV_CTXDMA_PAGE_SHIFT) + 2;
-	for (i = 0; i < nvbe->nr_pages; i++) {
+	for (i = 0; i < ttm->num_pages; i++) {
 		for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++, pte++)
 			nv_wo32(gpuobj, (pte * 4) + 0, 0x00000000);
 	}
 
-	nvbe->bound = false;
 	return 0;
 }
 
 static struct ttm_backend_func nv04_sgdma_backend = {
-	.populate		= nouveau_sgdma_populate,
-	.clear			= nouveau_sgdma_clear,
 	.bind			= nv04_sgdma_bind,
 	.unbind			= nv04_sgdma_unbind,
 	.destroy		= nouveau_sgdma_destroy
@@ -161,14 +96,14 @@ nv41_sgdma_flush(struct nouveau_sgdma_be *nvbe)
 }
 
 static int
-nv41_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
+nv41_sgdma_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem)
 {
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
+	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 	struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
 	struct nouveau_gpuobj *pgt = dev_priv->gart_info.sg_ctxdma;
-	dma_addr_t *list = nvbe->pages;
+	dma_addr_t *list = nvbe->ttm.dma_address;
 	u32 pte = mem->start << 2;
-	u32 cnt = nvbe->nr_pages;
+	u32 cnt = ttm->num_pages;
 
 	nvbe->offset = mem->start << PAGE_SHIFT;
 
@@ -178,18 +113,17 @@ nv41_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
 	}
 
 	nv41_sgdma_flush(nvbe);
-	nvbe->bound = true;
 	return 0;
 }
 
 static int
-nv41_sgdma_unbind(struct ttm_backend *be)
+nv41_sgdma_unbind(struct ttm_tt *ttm)
 {
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
+	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 	struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
 	struct nouveau_gpuobj *pgt = dev_priv->gart_info.sg_ctxdma;
 	u32 pte = (nvbe->offset >> 12) << 2;
-	u32 cnt = nvbe->nr_pages;
+	u32 cnt = ttm->num_pages;
 
 	while (cnt--) {
 		nv_wo32(pgt, pte, 0x00000000);
@@ -197,24 +131,22 @@ nv41_sgdma_unbind(struct ttm_backend *be)
 	}
 
 	nv41_sgdma_flush(nvbe);
-	nvbe->bound = false;
 	return 0;
 }
 
 static struct ttm_backend_func nv41_sgdma_backend = {
-	.populate		= nouveau_sgdma_populate,
-	.clear			= nouveau_sgdma_clear,
 	.bind			= nv41_sgdma_bind,
 	.unbind			= nv41_sgdma_unbind,
 	.destroy		= nouveau_sgdma_destroy
 };
 
 static void
-nv44_sgdma_flush(struct nouveau_sgdma_be *nvbe)
+nv44_sgdma_flush(struct ttm_tt *ttm)
 {
+	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 	struct drm_device *dev = nvbe->dev;
 
-	nv_wr32(dev, 0x100814, (nvbe->nr_pages - 1) << 12);
+	nv_wr32(dev, 0x100814, (ttm->num_pages - 1) << 12);
 	nv_wr32(dev, 0x100808, nvbe->offset | 0x20);
 	if (!nv_wait(dev, 0x100808, 0x00000001, 0x00000001))
 		NV_ERROR(dev, "gart flush timeout: 0x%08x\n",
@@ -273,14 +205,14 @@ nv44_sgdma_fill(struct nouveau_gpuobj *pgt, dma_addr_t *list, u32 base, u32 cnt)
 }
 
 static int
-nv44_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
+nv44_sgdma_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem)
 {
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
+	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 	struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
 	struct nouveau_gpuobj *pgt = dev_priv->gart_info.sg_ctxdma;
-	dma_addr_t *list = nvbe->pages;
+	dma_addr_t *list = nvbe->ttm.dma_address;
 	u32 pte = mem->start << 2, tmp[4];
-	u32 cnt = nvbe->nr_pages;
+	u32 cnt = ttm->num_pages;
 	int i;
 
 	nvbe->offset = mem->start << PAGE_SHIFT;
@@ -308,19 +240,18 @@ nv44_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
 	if (cnt)
 		nv44_sgdma_fill(pgt, list, pte, cnt);
 
-	nv44_sgdma_flush(nvbe);
-	nvbe->bound = true;
+	nv44_sgdma_flush(ttm);
 	return 0;
 }
 
 static int
-nv44_sgdma_unbind(struct ttm_backend *be)
+nv44_sgdma_unbind(struct ttm_tt *ttm)
 {
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
+	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 	struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
 	struct nouveau_gpuobj *pgt = dev_priv->gart_info.sg_ctxdma;
 	u32 pte = (nvbe->offset >> 12) << 2;
-	u32 cnt = nvbe->nr_pages;
+	u32 cnt = ttm->num_pages;
 
 	if (pte & 0x0000000c) {
 		u32  max = 4 - ((pte >> 2) & 0x3);
@@ -342,55 +273,47 @@ nv44_sgdma_unbind(struct ttm_backend *be)
 	if (cnt)
 		nv44_sgdma_fill(pgt, NULL, pte, cnt);
 
-	nv44_sgdma_flush(nvbe);
-	nvbe->bound = false;
+	nv44_sgdma_flush(ttm);
 	return 0;
 }
 
 static struct ttm_backend_func nv44_sgdma_backend = {
-	.populate		= nouveau_sgdma_populate,
-	.clear			= nouveau_sgdma_clear,
 	.bind			= nv44_sgdma_bind,
 	.unbind			= nv44_sgdma_unbind,
 	.destroy		= nouveau_sgdma_destroy
 };
 
 static int
-nv50_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
+nv50_sgdma_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem)
 {
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
+	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 	struct nouveau_mem *node = mem->mm_node;
+
 	/* noop: bound in move_notify() */
-	node->pages = nvbe->pages;
-	nvbe->pages = (dma_addr_t *)node;
-	nvbe->bound = true;
+	node->pages = nvbe->ttm.dma_address;
 	return 0;
 }
 
 static int
-nv50_sgdma_unbind(struct ttm_backend *be)
+nv50_sgdma_unbind(struct ttm_tt *ttm)
 {
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
-	struct nouveau_mem *node = (struct nouveau_mem *)nvbe->pages;
 	/* noop: unbound in move_notify() */
-	nvbe->pages = node->pages;
-	node->pages = NULL;
-	nvbe->bound = false;
 	return 0;
 }
 
 static struct ttm_backend_func nv50_sgdma_backend = {
-	.populate		= nouveau_sgdma_populate,
-	.clear			= nouveau_sgdma_clear,
 	.bind			= nv50_sgdma_bind,
 	.unbind			= nv50_sgdma_unbind,
 	.destroy		= nouveau_sgdma_destroy
 };
 
-struct ttm_backend *
-nouveau_sgdma_init_ttm(struct drm_device *dev)
+struct ttm_tt *
+nouveau_sgdma_create_ttm(struct ttm_bo_device *bdev,
+			 unsigned long size, uint32_t page_flags,
+			 struct page *dummy_read_page)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	struct drm_nouveau_private *dev_priv = nouveau_bdev(bdev);
+	struct drm_device *dev = dev_priv->dev;
 	struct nouveau_sgdma_be *nvbe;
 
 	nvbe = kzalloc(sizeof(*nvbe), GFP_KERNEL);
@@ -398,9 +321,13 @@ nouveau_sgdma_init_ttm(struct drm_device *dev)
 		return NULL;
 
 	nvbe->dev = dev;
+	nvbe->ttm.ttm.func = dev_priv->gart_info.func;
 
-	nvbe->backend.func = dev_priv->gart_info.func;
-	return &nvbe->backend;
+	if (ttm_dma_tt_init(&nvbe->ttm, bdev, size, page_flags, dummy_read_page)) {
+		kfree(nvbe);
+		return NULL;
+	}
+	return &nvbe->ttm.ttm;
 }
 
 int