From 312d1d5fe9b832899b02c620c143bc7eb5a3bdb1 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 8 Mar 2011 09:50:06 +1000 Subject: [PATCH] drm/nv50: decode vm faults some more Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nv50_fb.c | 148 ++++++++++++++++++++++++++++-- 1 file changed, 142 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nv50_fb.c b/drivers/gpu/drm/nouveau/nv50_fb.c index ed411d88451d..705f59743db8 100644 --- a/drivers/gpu/drm/nouveau/nv50_fb.c +++ b/drivers/gpu/drm/nouveau/nv50_fb.c @@ -114,12 +114,109 @@ nv50_fb_takedown(struct drm_device *dev) nv50_fb_destroy(dev); } +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 }, + {} +}; + +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) { 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); @@ -136,8 +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]; @@ -150,9 +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); } -- 2.20.1