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path: root/drivers/gpu/drm/nouveau/nouveau_mem.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_mem.c255
1 files changed, 197 insertions, 58 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 26347b7cd872..5045f8b921d6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -152,7 +152,6 @@ nouveau_mem_vram_fini(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- nouveau_bo_unpin(dev_priv->vga_ram);
nouveau_bo_ref(NULL, &dev_priv->vga_ram);
ttm_bo_device_release(&dev_priv->ttm.bdev);
@@ -393,11 +392,17 @@ nouveau_mem_vram_init(struct drm_device *dev)
struct ttm_bo_device *bdev = &dev_priv->ttm.bdev;
int ret, dma_bits;
- if (dev_priv->card_type >= NV_50 &&
- pci_dma_supported(dev->pdev, DMA_BIT_MASK(40)))
- dma_bits = 40;
- else
- dma_bits = 32;
+ dma_bits = 32;
+ if (dev_priv->card_type >= NV_50) {
+ if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(40)))
+ dma_bits = 40;
+ } else
+ if (drm_pci_device_is_pcie(dev) &&
+ dev_priv->chipset > 0x40 &&
+ dev_priv->chipset != 0x45) {
+ if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(39)))
+ dma_bits = 39;
+ }
ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits));
if (ret)
@@ -419,14 +424,32 @@ nouveau_mem_vram_init(struct drm_device *dev)
}
/* reserve space at end of VRAM for PRAMIN */
- if (dev_priv->chipset == 0x40 || dev_priv->chipset == 0x47 ||
- dev_priv->chipset == 0x49 || dev_priv->chipset == 0x4b)
- dev_priv->ramin_rsvd_vram = (2 * 1024 * 1024);
- else
- if (dev_priv->card_type >= NV_40)
- dev_priv->ramin_rsvd_vram = (1 * 1024 * 1024);
- else
- dev_priv->ramin_rsvd_vram = (512 * 1024);
+ if (dev_priv->card_type >= NV_50) {
+ dev_priv->ramin_rsvd_vram = 1 * 1024 * 1024;
+ } else
+ if (dev_priv->card_type >= NV_40) {
+ u32 vs = hweight8((nv_rd32(dev, 0x001540) & 0x0000ff00) >> 8);
+ u32 rsvd;
+
+ /* estimate grctx size, the magics come from nv40_grctx.c */
+ if (dev_priv->chipset == 0x40) rsvd = 0x6aa0 * vs;
+ else if (dev_priv->chipset < 0x43) rsvd = 0x4f00 * vs;
+ else if (nv44_graph_class(dev)) rsvd = 0x4980 * vs;
+ else rsvd = 0x4a40 * vs;
+ rsvd += 16 * 1024;
+ rsvd *= dev_priv->engine.fifo.channels;
+
+ /* pciegart table */
+ if (drm_pci_device_is_pcie(dev))
+ rsvd += 512 * 1024;
+
+ /* object storage */
+ rsvd += 512 * 1024;
+
+ dev_priv->ramin_rsvd_vram = round_up(rsvd, 4096);
+ } else {
+ dev_priv->ramin_rsvd_vram = 512 * 1024;
+ }
ret = dev_priv->engine.vram.init(dev);
if (ret)
@@ -455,13 +478,17 @@ nouveau_mem_vram_init(struct drm_device *dev)
return ret;
}
- ret = nouveau_bo_new(dev, NULL, 256*1024, 0, TTM_PL_FLAG_VRAM,
- 0, 0, true, true, &dev_priv->vga_ram);
- if (ret == 0)
- ret = nouveau_bo_pin(dev_priv->vga_ram, TTM_PL_FLAG_VRAM);
- if (ret) {
- NV_WARN(dev, "failed to reserve VGA memory\n");
- nouveau_bo_ref(NULL, &dev_priv->vga_ram);
+ if (dev_priv->card_type < NV_50) {
+ ret = nouveau_bo_new(dev, NULL, 256*1024, 0, TTM_PL_FLAG_VRAM,
+ 0, 0, &dev_priv->vga_ram);
+ if (ret == 0)
+ ret = nouveau_bo_pin(dev_priv->vga_ram,
+ TTM_PL_FLAG_VRAM);
+
+ if (ret) {
+ NV_WARN(dev, "failed to reserve VGA memory\n");
+ nouveau_bo_ref(NULL, &dev_priv->vga_ram);
+ }
}
dev_priv->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 1),
@@ -480,7 +507,7 @@ nouveau_mem_gart_init(struct drm_device *dev)
dev_priv->gart_info.type = NOUVEAU_GART_NONE;
#if !defined(__powerpc__) && !defined(__ia64__)
- if (drm_device_is_agp(dev) && dev->agp && nouveau_agpmode) {
+ if (drm_pci_device_is_agp(dev) && dev->agp && nouveau_agpmode) {
ret = nouveau_mem_init_agp(dev);
if (ret)
NV_ERROR(dev, "Error initialising AGP: %d\n", ret);
@@ -525,6 +552,7 @@ nouveau_mem_timing_init(struct drm_device *dev)
u8 tRC; /* Byte 9 */
u8 tUNK_10, tUNK_11, tUNK_12, tUNK_13, tUNK_14;
u8 tUNK_18, tUNK_19, tUNK_20, tUNK_21;
+ u8 magic_number = 0; /* Yeah... sorry*/
u8 *mem = NULL, *entry;
int i, recordlen, entries;
@@ -569,6 +597,12 @@ nouveau_mem_timing_init(struct drm_device *dev)
if (!memtimings->timing)
return;
+ /* Get "some number" from the timing reg for NV_40
+ * Used in calculations later */
+ if(dev_priv->card_type == NV_40) {
+ magic_number = (nv_rd32(dev,0x100228) & 0x0f000000) >> 24;
+ }
+
entry = mem + mem[1];
for (i = 0; i < entries; i++, entry += recordlen) {
struct nouveau_pm_memtiming *timing = &pm->memtimings.timing[i];
@@ -608,36 +642,51 @@ nouveau_mem_timing_init(struct drm_device *dev)
/* XXX: I don't trust the -1's and +1's... they must come
* from somewhere! */
- timing->reg_100224 = ((tUNK_0 + tUNK_19 + 1) << 24 |
+ timing->reg_100224 = (tUNK_0 + tUNK_19 + 1 + magic_number) << 24 |
tUNK_18 << 16 |
- (tUNK_1 + tUNK_19 + 1) << 8 |
- (tUNK_2 - 1));
+ (tUNK_1 + tUNK_19 + 1 + magic_number) << 8;
+ if(dev_priv->chipset == 0xa8) {
+ timing->reg_100224 |= (tUNK_2 - 1);
+ } else {
+ timing->reg_100224 |= (tUNK_2 + 2 - magic_number);
+ }
timing->reg_100228 = (tUNK_12 << 16 | tUNK_11 << 8 | tUNK_10);
- if(recordlen > 19) {
- timing->reg_100228 += (tUNK_19 - 1) << 24;
- }/* I cannot back-up this else-statement right now
- else {
- timing->reg_100228 += tUNK_12 << 24;
- }*/
-
- /* XXX: reg_10022c */
- timing->reg_10022c = tUNK_2 - 1;
-
- timing->reg_100230 = (tUNK_20 << 24 | tUNK_21 << 16 |
- tUNK_13 << 8 | tUNK_13);
-
- /* XXX: +6? */
- timing->reg_100234 = (tRAS << 24 | (tUNK_19 + 6) << 8 | tRC);
- timing->reg_100234 += max(tUNK_10,tUNK_11) << 16;
-
- /* XXX; reg_100238, reg_10023c
- * reg: 0x00??????
- * reg_10023c:
- * 0 for pre-NV50 cards
- * 0x????0202 for NV50+ cards (empirical evidence) */
- if(dev_priv->card_type >= NV_50) {
+ if(dev_priv->chipset >= 0xa3 && dev_priv->chipset < 0xaa) {
+ timing->reg_100228 |= (tUNK_19 - 1) << 24;
+ }
+
+ if(dev_priv->card_type == NV_40) {
+ /* NV40: don't know what the rest of the regs are..
+ * And don't need to know either */
+ timing->reg_100228 |= 0x20200000 | magic_number << 24;
+ } else if(dev_priv->card_type >= NV_50) {
+ /* XXX: reg_10022c */
+ timing->reg_10022c = tUNK_2 - 1;
+
+ timing->reg_100230 = (tUNK_20 << 24 | tUNK_21 << 16 |
+ tUNK_13 << 8 | tUNK_13);
+
+ timing->reg_100234 = (tRAS << 24 | tRC);
+ timing->reg_100234 += max(tUNK_10,tUNK_11) << 16;
+
+ if(dev_priv->chipset < 0xa3) {
+ timing->reg_100234 |= (tUNK_2 + 2) << 8;
+ } else {
+ /* XXX: +6? */
+ timing->reg_100234 |= (tUNK_19 + 6) << 8;
+ }
+
+ /* XXX; reg_100238, reg_10023c
+ * reg_100238: 0x00??????
+ * reg_10023c: 0x!!??0202 for NV50+ cards (empirical evidence) */
timing->reg_10023c = 0x202;
+ if(dev_priv->chipset < 0xa3) {
+ timing->reg_10023c |= 0x4000000 | (tUNK_2 - 1) << 16;
+ } else {
+ /* currently unknown
+ * 10023c seen as 06xxxxxx, 0bxxxxxx or 0fxxxxxx */
+ }
}
NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", i,
@@ -648,7 +697,7 @@ nouveau_mem_timing_init(struct drm_device *dev)
timing->reg_100238, timing->reg_10023c);
}
- memtimings->nr_timing = entries;
+ memtimings->nr_timing = entries;
memtimings->supported = true;
}
@@ -666,13 +715,14 @@ nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long p_size
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
struct nouveau_mm *mm;
- u32 b_size;
+ u64 size, block, rsvd;
int ret;
- p_size = (p_size << PAGE_SHIFT) >> 12;
- b_size = dev_priv->vram_rblock_size >> 12;
+ rsvd = (256 * 1024); /* vga memory */
+ size = (p_size << PAGE_SHIFT) - rsvd;
+ block = dev_priv->vram_rblock_size;
- ret = nouveau_mm_init(&mm, 0, p_size, b_size);
+ ret = nouveau_mm_init(&mm, rsvd >> 12, size >> 12, block >> 12);
if (ret)
return ret;
@@ -700,9 +750,15 @@ nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
struct nouveau_vram_engine *vram = &dev_priv->engine.vram;
+ struct nouveau_mem *node = mem->mm_node;
struct drm_device *dev = dev_priv->dev;
- vram->put(dev, (struct nouveau_vram **)&mem->mm_node);
+ if (node->tmp_vma.node) {
+ nouveau_vm_unmap(&node->tmp_vma);
+ nouveau_vm_put(&node->tmp_vma);
+ }
+
+ vram->put(dev, (struct nouveau_mem **)&mem->mm_node);
}
static int
@@ -715,7 +771,7 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
struct nouveau_vram_engine *vram = &dev_priv->engine.vram;
struct drm_device *dev = dev_priv->dev;
struct nouveau_bo *nvbo = nouveau_bo(bo);
- struct nouveau_vram *node;
+ struct nouveau_mem *node;
u32 size_nc = 0;
int ret;
@@ -724,9 +780,11 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
ret = vram->get(dev, mem->num_pages << PAGE_SHIFT,
mem->page_alignment << PAGE_SHIFT, size_nc,
- (nvbo->tile_flags >> 8) & 0xff, &node);
- if (ret)
- return ret;
+ (nvbo->tile_flags >> 8) & 0x3ff, &node);
+ if (ret) {
+ mem->mm_node = NULL;
+ return (ret == -ENOSPC) ? 0 : ret;
+ }
node->page_shift = 12;
if (nvbo->vma.node)
@@ -769,3 +827,84 @@ const struct ttm_mem_type_manager_func nouveau_vram_manager = {
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)
+{
+ struct nouveau_mem *node = mem->mm_node;
+
+ if (node->tmp_vma.node) {
+ nouveau_vm_unmap(&node->tmp_vma);
+ nouveau_vm_put(&node->tmp_vma);
+ }
+ 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 drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
+ struct nouveau_bo *nvbo = nouveau_bo(bo);
+ struct nouveau_vma *vma = &nvbo->vma;
+ struct nouveau_vm *vm = vma->vm;
+ struct nouveau_mem *node;
+ int ret;
+
+ if (unlikely((mem->num_pages << PAGE_SHIFT) >=
+ dev_priv->gart_info.aper_size))
+ return -ENOMEM;
+
+ node = kzalloc(sizeof(*node), GFP_KERNEL);
+ if (!node)
+ return -ENOMEM;
+
+ /* This node must be for evicting large-paged VRAM
+ * to system memory. Due to a nv50 limitation of
+ * not being able to mix large/small pages within
+ * the same PDE, we need to create a temporary
+ * small-paged VMA for the eviction.
+ */
+ if (vma->node->type != vm->spg_shift) {
+ ret = nouveau_vm_get(vm, (u64)vma->node->length << 12,
+ vm->spg_shift, NV_MEM_ACCESS_RW,
+ &node->tmp_vma);
+ if (ret) {
+ kfree(node);
+ return ret;
+ }
+ }
+
+ node->page_shift = nvbo->vma.node->type;
+ mem->mm_node = node;
+ mem->start = 0;
+ return 0;
+}
+
+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
+};