X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fnouveau%2Fnouveau_ttm.c;h=9be9cb58e19b30e6f463aaa637df067eb46ef9ac;hb=976bacef40c66443173283cc02b537e37a62c981;hp=bd35f930568c922b9b275aa3de418c502e543e7f;hpb=e799d0bce6b191de6e96e556528243c1d73303ca;p=karo-tx-linux.git

diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c
index bd35f930568c..9be9cb58e19b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_ttm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c
@@ -24,21 +24,253 @@
  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include "drmP.h"
+#include <subdev/fb.h>
+#include <subdev/vm.h>
+#include <subdev/instmem.h>
 
-#include "nouveau_drv.h"
+#include "nouveau_drm.h"
+#include "nouveau_ttm.h"
+#include "nouveau_gem.h"
+
+static int
+nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
+{
+	/* nothing to do */
+	return 0;
+}
+
+static int
+nouveau_vram_manager_fini(struct ttm_mem_type_manager *man)
+{
+	/* nothing to do */
+	return 0;
+}
+
+static inline void
+nouveau_mem_node_cleanup(struct nouveau_mem *node)
+{
+	if (node->vma[0].node) {
+		nouveau_vm_unmap(&node->vma[0]);
+		nouveau_vm_put(&node->vma[0]);
+	}
+
+	if (node->vma[1].node) {
+		nouveau_vm_unmap(&node->vma[1]);
+		nouveau_vm_put(&node->vma[1]);
+	}
+}
+
+static void
+nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
+			 struct ttm_mem_reg *mem)
+{
+	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
+	struct nouveau_fb *pfb = nouveau_fb(drm->device);
+	nouveau_mem_node_cleanup(mem->mm_node);
+	pfb->ram.put(pfb, (struct nouveau_mem **)&mem->mm_node);
+}
+
+static int
+nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
+			 struct ttm_buffer_object *bo,
+			 struct ttm_placement *placement,
+			 struct ttm_mem_reg *mem)
+{
+	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
+	struct nouveau_fb *pfb = nouveau_fb(drm->device);
+	struct nouveau_bo *nvbo = nouveau_bo(bo);
+	struct nouveau_mem *node;
+	u32 size_nc = 0;
+	int ret;
+
+	if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
+		size_nc = 1 << nvbo->page_shift;
+
+	ret = pfb->ram.get(pfb, mem->num_pages << PAGE_SHIFT,
+			   mem->page_alignment << PAGE_SHIFT, size_nc,
+			   (nvbo->tile_flags >> 8) & 0x3ff, &node);
+	if (ret) {
+		mem->mm_node = NULL;
+		return (ret == -ENOSPC) ? 0 : ret;
+	}
+
+	node->page_shift = nvbo->page_shift;
+
+	mem->mm_node = node;
+	mem->start   = node->offset >> PAGE_SHIFT;
+	return 0;
+}
+
+static void
+nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
+{
+	struct nouveau_mm *mm = man->priv;
+	struct nouveau_mm_node *r;
+	u32 total = 0, free = 0;
+
+	mutex_lock(&mm->mutex);
+	list_for_each_entry(r, &mm->nodes, nl_entry) {
+		printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
+		       prefix, r->type, ((u64)r->offset << 12),
+		       (((u64)r->offset + r->length) << 12));
+
+		total += r->length;
+		if (!r->type)
+			free += r->length;
+	}
+	mutex_unlock(&mm->mutex);
+
+	printk(KERN_DEBUG "%s  total: 0x%010llx free: 0x%010llx\n",
+	       prefix, (u64)total << 12, (u64)free << 12);
+	printk(KERN_DEBUG "%s  block: 0x%08x\n",
+	       prefix, mm->block_size << 12);
+}
+
+const struct ttm_mem_type_manager_func nouveau_vram_manager = {
+	nouveau_vram_manager_init,
+	nouveau_vram_manager_fini,
+	nouveau_vram_manager_new,
+	nouveau_vram_manager_del,
+	nouveau_vram_manager_debug
+};
+
+static int
+nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
+{
+	return 0;
+}
+
+static int
+nouveau_gart_manager_fini(struct ttm_mem_type_manager *man)
+{
+	return 0;
+}
+
+static void
+nouveau_gart_manager_del(struct ttm_mem_type_manager *man,
+			 struct ttm_mem_reg *mem)
+{
+	nouveau_mem_node_cleanup(mem->mm_node);
+	kfree(mem->mm_node);
+	mem->mm_node = NULL;
+}
+
+static int
+nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
+			 struct ttm_buffer_object *bo,
+			 struct ttm_placement *placement,
+			 struct ttm_mem_reg *mem)
+{
+	struct nouveau_mem *node;
+
+	if (unlikely((mem->num_pages << PAGE_SHIFT) >= 512 * 1024 * 1024))
+		return -ENOMEM;
+
+	node = kzalloc(sizeof(*node), GFP_KERNEL);
+	if (!node)
+		return -ENOMEM;
+	node->page_shift = 12;
+
+	mem->mm_node = node;
+	mem->start   = 0;
+	return 0;
+}
+
+static void
+nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
+{
+}
+
+const struct ttm_mem_type_manager_func nouveau_gart_manager = {
+	nouveau_gart_manager_init,
+	nouveau_gart_manager_fini,
+	nouveau_gart_manager_new,
+	nouveau_gart_manager_del,
+	nouveau_gart_manager_debug
+};
+
+#include <core/subdev/vm/nv04.h>
+static int
+nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
+{
+	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
+	struct nouveau_vmmgr *vmm = nouveau_vmmgr(drm->device);
+	struct nv04_vmmgr_priv *priv = (void *)vmm;
+	struct nouveau_vm *vm = NULL;
+	nouveau_vm_ref(priv->vm, &vm, NULL);
+	man->priv = vm;
+	return 0;
+}
+
+static int
+nv04_gart_manager_fini(struct ttm_mem_type_manager *man)
+{
+	struct nouveau_vm *vm = man->priv;
+	nouveau_vm_ref(NULL, &vm, NULL);
+	man->priv = NULL;
+	return 0;
+}
+
+static void
+nv04_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem)
+{
+	struct nouveau_mem *node = mem->mm_node;
+	if (node->vma[0].node)
+		nouveau_vm_put(&node->vma[0]);
+	kfree(mem->mm_node);
+	mem->mm_node = NULL;
+}
+
+static int
+nv04_gart_manager_new(struct ttm_mem_type_manager *man,
+		      struct ttm_buffer_object *bo,
+		      struct ttm_placement *placement,
+		      struct ttm_mem_reg *mem)
+{
+	struct nouveau_mem *node;
+	int ret;
+
+	node = kzalloc(sizeof(*node), GFP_KERNEL);
+	if (!node)
+		return -ENOMEM;
+
+	node->page_shift = 12;
+
+	ret = nouveau_vm_get(man->priv, mem->num_pages << 12, node->page_shift,
+			     NV_MEM_ACCESS_RW, &node->vma[0]);
+	if (ret) {
+		kfree(node);
+		return ret;
+	}
+
+	mem->mm_node = node;
+	mem->start   = node->vma[0].offset >> PAGE_SHIFT;
+	return 0;
+}
+
+static void
+nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
+{
+}
+
+const struct ttm_mem_type_manager_func nv04_gart_manager = {
+	nv04_gart_manager_init,
+	nv04_gart_manager_fini,
+	nv04_gart_manager_new,
+	nv04_gart_manager_del,
+	nv04_gart_manager_debug
+};
 
 int
 nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
 {
 	struct drm_file *file_priv = filp->private_data;
-	struct drm_nouveau_private *dev_priv =
-		file_priv->minor->dev->dev_private;
+	struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev);
 
 	if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
 		return drm_mmap(filp, vma);
 
-	return ttm_bo_mmap(filp, vma, &dev_priv->ttm.bdev);
+	return ttm_bo_mmap(filp, vma, &drm->ttm.bdev);
 }
 
 static int
@@ -54,12 +286,12 @@ nouveau_ttm_mem_global_release(struct drm_global_reference *ref)
 }
 
 int
-nouveau_ttm_global_init(struct drm_nouveau_private *dev_priv)
+nouveau_ttm_global_init(struct nouveau_drm *drm)
 {
 	struct drm_global_reference *global_ref;
 	int ret;
 
-	global_ref = &dev_priv->ttm.mem_global_ref;
+	global_ref = &drm->ttm.mem_global_ref;
 	global_ref->global_type = DRM_GLOBAL_TTM_MEM;
 	global_ref->size = sizeof(struct ttm_mem_global);
 	global_ref->init = &nouveau_ttm_mem_global_init;
@@ -68,12 +300,12 @@ nouveau_ttm_global_init(struct drm_nouveau_private *dev_priv)
 	ret = drm_global_item_ref(global_ref);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Failed setting up TTM memory accounting\n");
-		dev_priv->ttm.mem_global_ref.release = NULL;
+		drm->ttm.mem_global_ref.release = NULL;
 		return ret;
 	}
 
-	dev_priv->ttm.bo_global_ref.mem_glob = global_ref->object;
-	global_ref = &dev_priv->ttm.bo_global_ref.ref;
+	drm->ttm.bo_global_ref.mem_glob = global_ref->object;
+	global_ref = &drm->ttm.bo_global_ref.ref;
 	global_ref->global_type = DRM_GLOBAL_TTM_BO;
 	global_ref->size = sizeof(struct ttm_bo_global);
 	global_ref->init = &ttm_bo_global_init;
@@ -82,8 +314,8 @@ nouveau_ttm_global_init(struct drm_nouveau_private *dev_priv)
 	ret = drm_global_item_ref(global_ref);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Failed setting up TTM BO subsystem\n");
-		drm_global_item_unref(&dev_priv->ttm.mem_global_ref);
-		dev_priv->ttm.mem_global_ref.release = NULL;
+		drm_global_item_unref(&drm->ttm.mem_global_ref);
+		drm->ttm.mem_global_ref.release = NULL;
 		return ret;
 	}
 
@@ -91,13 +323,101 @@ nouveau_ttm_global_init(struct drm_nouveau_private *dev_priv)
 }
 
 void
-nouveau_ttm_global_release(struct drm_nouveau_private *dev_priv)
+nouveau_ttm_global_release(struct nouveau_drm *drm)
 {
-	if (dev_priv->ttm.mem_global_ref.release == NULL)
+	if (drm->ttm.mem_global_ref.release == NULL)
 		return;
 
-	drm_global_item_unref(&dev_priv->ttm.bo_global_ref.ref);
-	drm_global_item_unref(&dev_priv->ttm.mem_global_ref);
-	dev_priv->ttm.mem_global_ref.release = NULL;
+	drm_global_item_unref(&drm->ttm.bo_global_ref.ref);
+	drm_global_item_unref(&drm->ttm.mem_global_ref);
+	drm->ttm.mem_global_ref.release = NULL;
 }
 
+int
+nouveau_ttm_init(struct nouveau_drm *drm)
+{
+	struct drm_device *dev = drm->dev;
+	u32 bits;
+	int ret;
+
+	bits = nouveau_vmmgr(drm->device)->dma_bits;
+	if ( drm->agp.stat == ENABLED ||
+	    !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits)))
+		bits = 32;
+
+	ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
+	if (ret)
+		return ret;
+
+	ret = pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
+	if (ret)
+		pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32));
+
+	ret = nouveau_ttm_global_init(drm);
+	if (ret)
+		return ret;
+
+	ret = ttm_bo_device_init(&drm->ttm.bdev,
+				  drm->ttm.bo_global_ref.ref.object,
+				  &nouveau_bo_driver, DRM_FILE_PAGE_OFFSET,
+				  bits <= 32 ? true : false);
+	if (ret) {
+		NV_ERROR(drm, "error initialising bo driver, %d\n", ret);
+		return ret;
+	}
+
+	/* VRAM init */
+	drm->gem.vram_available  = nouveau_fb(drm->device)->ram.size;
+	drm->gem.vram_available -= nouveau_instmem(drm->device)->reserved;
+
+	ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM,
+			      drm->gem.vram_available >> PAGE_SHIFT);
+	if (ret) {
+		NV_ERROR(drm, "VRAM mm init failed, %d\n", ret);
+		return ret;
+	}
+
+	drm->ttm.mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 1),
+				     pci_resource_len(dev->pdev, 1),
+				     DRM_MTRR_WC);
+
+	/* GART init */
+	if (drm->agp.stat != ENABLED) {
+		drm->gem.gart_available = nouveau_vmmgr(drm->device)->limit;
+		if (drm->gem.gart_available > 512 * 1024 * 1024)
+			drm->gem.gart_available = 512 * 1024 * 1024;
+	} else {
+		drm->gem.gart_available = drm->agp.size;
+	}
+
+	ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT,
+			      drm->gem.gart_available >> PAGE_SHIFT);
+	if (ret) {
+		NV_ERROR(drm, "GART mm init failed, %d\n", ret);
+		return ret;
+	}
+
+	NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20));
+	NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20));
+	return 0;
+}
+
+void
+nouveau_ttm_fini(struct nouveau_drm *drm)
+{
+	mutex_lock(&drm->dev->struct_mutex);
+	ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM);
+	ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT);
+	mutex_unlock(&drm->dev->struct_mutex);
+
+	ttm_bo_device_release(&drm->ttm.bdev);
+
+	nouveau_ttm_global_release(drm);
+
+	if (drm->ttm.mtrr >= 0) {
+		drm_mtrr_del(drm->ttm.mtrr,
+			     pci_resource_start(drm->dev->pdev, 1),
+			     pci_resource_len(drm->dev->pdev, 1), DRM_MTRR_WC);
+		drm->ttm.mtrr = -1;
+	}
+}