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path: root/drivers/gpu/drm/nouveau/nv50_fb.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_fb.c199
1 files changed, 177 insertions, 22 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fb.c b/drivers/gpu/drm/nouveau/nv50_fb.c
index 50290dea0ac..bdd2afe2920 100644
--- a/drivers/gpu/drm/nouveau/nv50_fb.c
+++ b/drivers/gpu/drm/nouveau/nv50_fb.c
@@ -8,31 +8,61 @@ struct nv50_fb_priv {
dma_addr_t r100c08;
};
+static void
+nv50_fb_destroy(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
+ struct nv50_fb_priv *priv = pfb->priv;
+
+ if (drm_mm_initialized(&pfb->tag_heap))
+ drm_mm_takedown(&pfb->tag_heap);
+
+ if (priv->r100c08_page) {
+ pci_unmap_page(dev->pdev, priv->r100c08, PAGE_SIZE,
+ PCI_DMA_BIDIRECTIONAL);
+ __free_page(priv->r100c08_page);
+ }
+
+ kfree(priv);
+ pfb->priv = NULL;
+}
+
static int
nv50_fb_create(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
struct nv50_fb_priv *priv;
+ u32 tagmem;
+ int ret;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
+ pfb->priv = priv;
priv->r100c08_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
if (!priv->r100c08_page) {
- kfree(priv);
+ nv50_fb_destroy(dev);
return -ENOMEM;
}
priv->r100c08 = pci_map_page(dev->pdev, priv->r100c08_page, 0,
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
if (pci_dma_mapping_error(dev->pdev, priv->r100c08)) {
- __free_page(priv->r100c08_page);
- kfree(priv);
+ nv50_fb_destroy(dev);
return -EFAULT;
}
- dev_priv->engine.fb.priv = priv;
+ tagmem = nv_rd32(dev, 0x100320);
+ NV_DEBUG(dev, "%d tags available\n", tagmem);
+ ret = drm_mm_init(&pfb->tag_heap, 0, tagmem);
+ if (ret) {
+ nv50_fb_destroy(dev);
+ return ret;
+ }
+
return 0;
}
@@ -81,26 +111,112 @@ nv50_fb_init(struct drm_device *dev)
void
nv50_fb_takedown(struct drm_device *dev)
{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nv50_fb_priv *priv;
+ nv50_fb_destroy(dev);
+}
- priv = dev_priv->engine.fb.priv;
- if (!priv)
- return;
- dev_priv->engine.fb.priv = NULL;
+static struct nouveau_enum vm_dispatch_subclients[] = {
+ { 0x00000000, "GRCTX", NULL },
+ { 0x00000001, "NOTIFY", NULL },
+ { 0x00000002, "QUERY", NULL },
+ { 0x00000003, "COND", NULL },
+ { 0x00000004, "M2M_IN", NULL },
+ { 0x00000005, "M2M_OUT", NULL },
+ { 0x00000006, "M2M_NOTIFY", NULL },
+ {}
+};
- pci_unmap_page(dev->pdev, priv->r100c08, PAGE_SIZE,
- PCI_DMA_BIDIRECTIONAL);
- __free_page(priv->r100c08_page);
- kfree(priv);
-}
+static struct nouveau_enum vm_ccache_subclients[] = {
+ { 0x00000000, "CB", NULL },
+ { 0x00000001, "TIC", NULL },
+ { 0x00000002, "TSC", NULL },
+ {}
+};
+
+static struct nouveau_enum vm_prop_subclients[] = {
+ { 0x00000000, "RT0", NULL },
+ { 0x00000001, "RT1", NULL },
+ { 0x00000002, "RT2", NULL },
+ { 0x00000003, "RT3", NULL },
+ { 0x00000004, "RT4", NULL },
+ { 0x00000005, "RT5", NULL },
+ { 0x00000006, "RT6", NULL },
+ { 0x00000007, "RT7", NULL },
+ { 0x00000008, "ZETA", NULL },
+ { 0x00000009, "LOCAL", NULL },
+ { 0x0000000a, "GLOBAL", NULL },
+ { 0x0000000b, "STACK", NULL },
+ { 0x0000000c, "DST2D", NULL },
+ {}
+};
+
+static struct nouveau_enum vm_pfifo_subclients[] = {
+ { 0x00000000, "PUSHBUF", NULL },
+ { 0x00000001, "SEMAPHORE", NULL },
+ {}
+};
+
+static struct nouveau_enum vm_bar_subclients[] = {
+ { 0x00000000, "FB", NULL },
+ { 0x00000001, "IN", NULL },
+ {}
+};
+
+static struct nouveau_enum vm_client[] = {
+ { 0x00000000, "STRMOUT", NULL },
+ { 0x00000003, "DISPATCH", vm_dispatch_subclients },
+ { 0x00000004, "PFIFO_WRITE", NULL },
+ { 0x00000005, "CCACHE", vm_ccache_subclients },
+ { 0x00000006, "PPPP", NULL },
+ { 0x00000007, "CLIPID", NULL },
+ { 0x00000008, "PFIFO_READ", NULL },
+ { 0x00000009, "VFETCH", NULL },
+ { 0x0000000a, "TEXTURE", NULL },
+ { 0x0000000b, "PROP", vm_prop_subclients },
+ { 0x0000000c, "PVP", NULL },
+ { 0x0000000d, "PBSP", NULL },
+ { 0x0000000e, "PCRYPT", NULL },
+ { 0x0000000f, "PCOUNTER", NULL },
+ { 0x00000011, "PDAEMON", NULL },
+ {}
+};
+
+static struct nouveau_enum vm_engine[] = {
+ { 0x00000000, "PGRAPH", NULL },
+ { 0x00000001, "PVP", NULL },
+ { 0x00000004, "PEEPHOLE", NULL },
+ { 0x00000005, "PFIFO", vm_pfifo_subclients },
+ { 0x00000006, "BAR", vm_bar_subclients },
+ { 0x00000008, "PPPP", NULL },
+ { 0x00000009, "PBSP", NULL },
+ { 0x0000000a, "PCRYPT", NULL },
+ { 0x0000000b, "PCOUNTER", NULL },
+ { 0x0000000c, "SEMAPHORE_BG", NULL },
+ { 0x0000000d, "PCOPY", NULL },
+ { 0x0000000e, "PDAEMON", NULL },
+ {}
+};
+
+static struct nouveau_enum vm_fault[] = {
+ { 0x00000000, "PT_NOT_PRESENT", NULL },
+ { 0x00000001, "PT_TOO_SHORT", NULL },
+ { 0x00000002, "PAGE_NOT_PRESENT", NULL },
+ { 0x00000003, "PAGE_SYSTEM_ONLY", NULL },
+ { 0x00000004, "PAGE_READ_ONLY", NULL },
+ { 0x00000006, "NULL_DMAOBJ", NULL },
+ { 0x00000007, "WRONG_MEMTYPE", NULL },
+ { 0x0000000b, "VRAM_LIMIT", NULL },
+ { 0x0000000f, "DMAOBJ_LIMIT", NULL },
+ {}
+};
void
-nv50_fb_vm_trap(struct drm_device *dev, int display, const char *name)
+nv50_fb_vm_trap(struct drm_device *dev, int display)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
+ const struct nouveau_enum *en, *cl;
unsigned long flags;
u32 trap[6], idx, chinst;
+ u8 st0, st1, st2, st3;
int i, ch;
idx = nv_rd32(dev, 0x100c90);
@@ -117,8 +233,8 @@ nv50_fb_vm_trap(struct drm_device *dev, int display, const char *name)
if (!display)
return;
+ /* lookup channel id */
chinst = (trap[2] << 16) | trap[1];
-
spin_lock_irqsave(&dev_priv->channels.lock, flags);
for (ch = 0; ch < dev_priv->engine.fifo.channels; ch++) {
struct nouveau_channel *chan = dev_priv->channels.ptr[ch];
@@ -131,9 +247,48 @@ nv50_fb_vm_trap(struct drm_device *dev, int display, const char *name)
}
spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
- NV_INFO(dev, "%s - VM: Trapped %s at %02x%04x%04x status %08x "
- "channel %d (0x%08x)\n",
- name, (trap[5] & 0x100 ? "read" : "write"),
- trap[5] & 0xff, trap[4] & 0xffff, trap[3] & 0xffff,
- trap[0], ch, chinst);
+ /* decode status bits into something more useful */
+ if (dev_priv->chipset < 0xa3 ||
+ dev_priv->chipset == 0xaa || dev_priv->chipset == 0xac) {
+ st0 = (trap[0] & 0x0000000f) >> 0;
+ st1 = (trap[0] & 0x000000f0) >> 4;
+ st2 = (trap[0] & 0x00000f00) >> 8;
+ st3 = (trap[0] & 0x0000f000) >> 12;
+ } else {
+ st0 = (trap[0] & 0x000000ff) >> 0;
+ st1 = (trap[0] & 0x0000ff00) >> 8;
+ st2 = (trap[0] & 0x00ff0000) >> 16;
+ st3 = (trap[0] & 0xff000000) >> 24;
+ }
+
+ NV_INFO(dev, "VM: trapped %s at 0x%02x%04x%04x on ch %d [0x%08x] ",
+ (trap[5] & 0x00000100) ? "read" : "write",
+ trap[5] & 0xff, trap[4] & 0xffff, trap[3] & 0xffff, ch, chinst);
+
+ en = nouveau_enum_find(vm_engine, st0);
+ if (en)
+ printk("%s/", en->name);
+ else
+ printk("%02x/", st0);
+
+ cl = nouveau_enum_find(vm_client, st2);
+ if (cl)
+ printk("%s/", cl->name);
+ else
+ printk("%02x/", st2);
+
+ if (cl && cl->data) cl = nouveau_enum_find(cl->data, st3);
+ else if (en && en->data) cl = nouveau_enum_find(en->data, st3);
+ else cl = NULL;
+ if (cl)
+ printk("%s", cl->name);
+ else
+ printk("%02x", st3);
+
+ printk(" reason: ");
+ en = nouveau_enum_find(vm_fault, st1);
+ if (en)
+ printk("%s\n", en->name);
+ else
+ printk("0x%08x\n", st1);
}