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authorDavid S. Miller <davem@davemloft.net>2010-04-11 02:44:30 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-11 02:44:30 -0700
commit4a1032faac94ebbf647460ae3e06fc21146eb280 (patch)
tree7f31b97beb0406faa1523e619289ad0ab07c9787 /drivers/gpu/drm/nouveau/nouveau_mem.c
parentae4e8d63b5619d4d95f1d2bfa2b836caa6e62d06 (diff)
parent0eddb519b9127c73d53db4bf3ec1d45b13f844d1 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_mem.c124
1 files changed, 76 insertions, 48 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 2dc09dbd817d..775a7017af64 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -347,6 +347,20 @@ nv50_mem_vm_bind_linear(struct drm_device *dev, uint64_t virt, uint32_t size,
return -EBUSY;
}
+ nv_wr32(dev, 0x100c80, 0x00040001);
+ if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
+ NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
+ NV_ERROR(dev, "0x100c80 = 0x%08x\n", nv_rd32(dev, 0x100c80));
+ return -EBUSY;
+ }
+
+ nv_wr32(dev, 0x100c80, 0x00060001);
+ if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
+ NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
+ NV_ERROR(dev, "0x100c80 = 0x%08x\n", nv_rd32(dev, 0x100c80));
+ return -EBUSY;
+ }
+
return 0;
}
@@ -387,6 +401,20 @@ nv50_mem_vm_unbind(struct drm_device *dev, uint64_t virt, uint32_t size)
if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
NV_ERROR(dev, "0x100c80 = 0x%08x\n", nv_rd32(dev, 0x100c80));
+ return;
+ }
+
+ nv_wr32(dev, 0x100c80, 0x00040001);
+ if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
+ NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
+ NV_ERROR(dev, "0x100c80 = 0x%08x\n", nv_rd32(dev, 0x100c80));
+ return;
+ }
+
+ nv_wr32(dev, 0x100c80, 0x00060001);
+ if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
+ NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
+ NV_ERROR(dev, "0x100c80 = 0x%08x\n", nv_rd32(dev, 0x100c80));
}
}
@@ -449,9 +477,30 @@ void nouveau_mem_close(struct drm_device *dev)
}
}
-/*XXX won't work on BSD because of pci_read_config_dword */
static uint32_t
-nouveau_mem_fb_amount_igp(struct drm_device *dev)
+nouveau_mem_detect_nv04(struct drm_device *dev)
+{
+ uint32_t boot0 = nv_rd32(dev, NV03_BOOT_0);
+
+ if (boot0 & 0x00000100)
+ return (((boot0 >> 12) & 0xf) * 2 + 2) * 1024 * 1024;
+
+ switch (boot0 & NV03_BOOT_0_RAM_AMOUNT) {
+ case NV04_BOOT_0_RAM_AMOUNT_32MB:
+ return 32 * 1024 * 1024;
+ case NV04_BOOT_0_RAM_AMOUNT_16MB:
+ return 16 * 1024 * 1024;
+ case NV04_BOOT_0_RAM_AMOUNT_8MB:
+ return 8 * 1024 * 1024;
+ case NV04_BOOT_0_RAM_AMOUNT_4MB:
+ return 4 * 1024 * 1024;
+ }
+
+ return 0;
+}
+
+static uint32_t
+nouveau_mem_detect_nforce(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct pci_dev *bridge;
@@ -463,11 +512,11 @@ nouveau_mem_fb_amount_igp(struct drm_device *dev)
return 0;
}
- if (dev_priv->flags&NV_NFORCE) {
+ if (dev_priv->flags & NV_NFORCE) {
pci_read_config_dword(bridge, 0x7C, &mem);
return (uint64_t)(((mem >> 6) & 31) + 1)*1024*1024;
} else
- if (dev_priv->flags&NV_NFORCE2) {
+ if (dev_priv->flags & NV_NFORCE2) {
pci_read_config_dword(bridge, 0x84, &mem);
return (uint64_t)(((mem >> 4) & 127) + 1)*1024*1024;
}
@@ -477,50 +526,32 @@ nouveau_mem_fb_amount_igp(struct drm_device *dev)
}
/* returns the amount of FB ram in bytes */
-uint64_t nouveau_mem_fb_amount(struct drm_device *dev)
+int
+nouveau_mem_detect(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t boot0;
-
- switch (dev_priv->card_type) {
- case NV_04:
- boot0 = nv_rd32(dev, NV03_BOOT_0);
- if (boot0 & 0x00000100)
- return (((boot0 >> 12) & 0xf) * 2 + 2) * 1024 * 1024;
-
- switch (boot0 & NV03_BOOT_0_RAM_AMOUNT) {
- case NV04_BOOT_0_RAM_AMOUNT_32MB:
- return 32 * 1024 * 1024;
- case NV04_BOOT_0_RAM_AMOUNT_16MB:
- return 16 * 1024 * 1024;
- case NV04_BOOT_0_RAM_AMOUNT_8MB:
- return 8 * 1024 * 1024;
- case NV04_BOOT_0_RAM_AMOUNT_4MB:
- return 4 * 1024 * 1024;
- }
- break;
- case NV_10:
- case NV_20:
- case NV_30:
- case NV_40:
- case NV_50:
- default:
- if (dev_priv->flags & (NV_NFORCE | NV_NFORCE2)) {
- return nouveau_mem_fb_amount_igp(dev);
- } else {
- uint64_t mem;
- mem = (nv_rd32(dev, NV04_FIFO_DATA) &
- NV10_FIFO_DATA_RAM_AMOUNT_MB_MASK) >>
- NV10_FIFO_DATA_RAM_AMOUNT_MB_SHIFT;
- return mem * 1024 * 1024;
- }
- break;
+
+ if (dev_priv->card_type == NV_04) {
+ dev_priv->vram_size = nouveau_mem_detect_nv04(dev);
+ } else
+ if (dev_priv->flags & (NV_NFORCE | NV_NFORCE2)) {
+ dev_priv->vram_size = nouveau_mem_detect_nforce(dev);
+ } else {
+ dev_priv->vram_size = nv_rd32(dev, NV04_FIFO_DATA);
+ dev_priv->vram_size &= NV10_FIFO_DATA_RAM_AMOUNT_MB_MASK;
+ if (dev_priv->chipset == 0xaa || dev_priv->chipset == 0xac)
+ dev_priv->vram_sys_base = nv_rd32(dev, 0x100e10) << 12;
}
- NV_ERROR(dev,
- "Unable to detect video ram size. Please report your setup to "
- DRIVER_EMAIL "\n");
- return 0;
+ NV_INFO(dev, "Detected %dMiB VRAM\n", (int)(dev_priv->vram_size >> 20));
+ if (dev_priv->vram_sys_base) {
+ NV_INFO(dev, "Stolen system memory at: 0x%010llx\n",
+ dev_priv->vram_sys_base);
+ }
+
+ if (dev_priv->vram_size)
+ return 0;
+ return -ENOMEM;
}
#if __OS_HAS_AGP
@@ -631,15 +662,12 @@ nouveau_mem_init(struct drm_device *dev)
spin_lock_init(&dev_priv->ttm.bo_list_lock);
spin_lock_init(&dev_priv->tile.lock);
- dev_priv->fb_available_size = nouveau_mem_fb_amount(dev);
-
+ dev_priv->fb_available_size = dev_priv->vram_size;
dev_priv->fb_mappable_pages = dev_priv->fb_available_size;
if (dev_priv->fb_mappable_pages > drm_get_resource_len(dev, 1))
dev_priv->fb_mappable_pages = drm_get_resource_len(dev, 1);
dev_priv->fb_mappable_pages >>= PAGE_SHIFT;
- NV_INFO(dev, "%d MiB VRAM\n", (int)(dev_priv->fb_available_size >> 20));
-
/* remove reserved space at end of vram from available amount */
dev_priv->fb_available_size -= dev_priv->ramin_rsvd_vram;
dev_priv->fb_aper_free = dev_priv->fb_available_size;