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path: root/drivers/gpu/drm/nouveau/nouveau_irq.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_irq.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_irq.c609
1 files changed, 561 insertions, 48 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index 95220ddebb45..2bd59a92fee5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -311,6 +311,31 @@ nouveau_print_bitfield_names_(uint32_t value,
#define nouveau_print_bitfield_names(val, namelist) \
nouveau_print_bitfield_names_((val), (namelist), ARRAY_SIZE(namelist))
+struct nouveau_enum_names {
+ uint32_t value;
+ const char *name;
+};
+
+static void
+nouveau_print_enum_names_(uint32_t value,
+ const struct nouveau_enum_names *namelist,
+ const int namelist_len)
+{
+ /*
+ * Caller must have already printed the KERN_* log level for us.
+ * Also the caller is responsible for adding the newline.
+ */
+ int i;
+ for (i = 0; i < namelist_len; ++i) {
+ if (value == namelist[i].value) {
+ printk("%s", namelist[i].name);
+ return;
+ }
+ }
+ printk("unknown value 0x%08x", value);
+}
+#define nouveau_print_enum_names(val, namelist) \
+ nouveau_print_enum_names_((val), (namelist), ARRAY_SIZE(namelist))
static int
nouveau_graph_chid_from_grctx(struct drm_device *dev)
@@ -427,14 +452,16 @@ nouveau_graph_dump_trap_info(struct drm_device *dev, const char *id,
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t nsource = trap->nsource, nstatus = trap->nstatus;
- NV_INFO(dev, "%s - nSource:", id);
- nouveau_print_bitfield_names(nsource, nsource_names);
- printk(", nStatus:");
- if (dev_priv->card_type < NV_10)
- nouveau_print_bitfield_names(nstatus, nstatus_names);
- else
- nouveau_print_bitfield_names(nstatus, nstatus_names_nv10);
- printk("\n");
+ if (dev_priv->card_type < NV_50) {
+ NV_INFO(dev, "%s - nSource:", id);
+ nouveau_print_bitfield_names(nsource, nsource_names);
+ printk(", nStatus:");
+ if (dev_priv->card_type < NV_10)
+ nouveau_print_bitfield_names(nstatus, nstatus_names);
+ else
+ nouveau_print_bitfield_names(nstatus, nstatus_names_nv10);
+ printk("\n");
+ }
NV_INFO(dev, "%s - Ch %d/%d Class 0x%04x Mthd 0x%04x "
"Data 0x%08x:0x%08x\n",
@@ -578,27 +605,502 @@ nouveau_pgraph_irq_handler(struct drm_device *dev)
}
static void
+nv50_pfb_vm_trap(struct drm_device *dev, int display, const char *name)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ uint32_t trap[6];
+ int i, ch;
+ uint32_t idx = nv_rd32(dev, 0x100c90);
+ if (idx & 0x80000000) {
+ idx &= 0xffffff;
+ if (display) {
+ for (i = 0; i < 6; i++) {
+ nv_wr32(dev, 0x100c90, idx | i << 24);
+ trap[i] = nv_rd32(dev, 0x100c94);
+ }
+ for (ch = 0; ch < dev_priv->engine.fifo.channels; ch++) {
+ struct nouveau_channel *chan = dev_priv->fifos[ch];
+
+ if (!chan || !chan->ramin)
+ continue;
+
+ if (trap[1] == chan->ramin->instance >> 12)
+ break;
+ }
+ NV_INFO(dev, "%s - VM: Trapped %s at %02x%04x%04x status %08x %08x channel %d\n",
+ name, (trap[5]&0x100?"read":"write"),
+ trap[5]&0xff, trap[4]&0xffff,
+ trap[3]&0xffff, trap[0], trap[2], ch);
+ }
+ nv_wr32(dev, 0x100c90, idx | 0x80000000);
+ } else if (display) {
+ NV_INFO(dev, "%s - no VM fault?\n", name);
+ }
+}
+
+static struct nouveau_enum_names nv50_mp_exec_error_names[] =
+{
+ { 3, "STACK_UNDERFLOW" },
+ { 4, "QUADON_ACTIVE" },
+ { 8, "TIMEOUT" },
+ { 0x10, "INVALID_OPCODE" },
+ { 0x40, "BREAKPOINT" },
+};
+
+static void
+nv50_pgraph_mp_trap(struct drm_device *dev, int tpid, int display)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ uint32_t units = nv_rd32(dev, 0x1540);
+ uint32_t addr, mp10, status, pc, oplow, ophigh;
+ int i;
+ int mps = 0;
+ for (i = 0; i < 4; i++) {
+ if (!(units & 1 << (i+24)))
+ continue;
+ if (dev_priv->chipset < 0xa0)
+ addr = 0x408200 + (tpid << 12) + (i << 7);
+ else
+ addr = 0x408100 + (tpid << 11) + (i << 7);
+ mp10 = nv_rd32(dev, addr + 0x10);
+ status = nv_rd32(dev, addr + 0x14);
+ if (!status)
+ continue;
+ if (display) {
+ nv_rd32(dev, addr + 0x20);
+ pc = nv_rd32(dev, addr + 0x24);
+ oplow = nv_rd32(dev, addr + 0x70);
+ ophigh= nv_rd32(dev, addr + 0x74);
+ NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - "
+ "TP %d MP %d: ", tpid, i);
+ nouveau_print_enum_names(status,
+ nv50_mp_exec_error_names);
+ printk(" at %06x warp %d, opcode %08x %08x\n",
+ pc&0xffffff, pc >> 24,
+ oplow, ophigh);
+ }
+ nv_wr32(dev, addr + 0x10, mp10);
+ nv_wr32(dev, addr + 0x14, 0);
+ mps++;
+ }
+ if (!mps && display)
+ NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - TP %d: "
+ "No MPs claiming errors?\n", tpid);
+}
+
+static void
+nv50_pgraph_tp_trap(struct drm_device *dev, int type, uint32_t ustatus_old,
+ uint32_t ustatus_new, int display, const char *name)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ int tps = 0;
+ uint32_t units = nv_rd32(dev, 0x1540);
+ int i, r;
+ uint32_t ustatus_addr, ustatus;
+ for (i = 0; i < 16; i++) {
+ if (!(units & (1 << i)))
+ continue;
+ if (dev_priv->chipset < 0xa0)
+ ustatus_addr = ustatus_old + (i << 12);
+ else
+ ustatus_addr = ustatus_new + (i << 11);
+ ustatus = nv_rd32(dev, ustatus_addr) & 0x7fffffff;
+ if (!ustatus)
+ continue;
+ tps++;
+ switch (type) {
+ case 6: /* texture error... unknown for now */
+ nv50_pfb_vm_trap(dev, display, name);
+ if (display) {
+ NV_ERROR(dev, "magic set %d:\n", i);
+ for (r = ustatus_addr + 4; r <= ustatus_addr + 0x10; r += 4)
+ NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
+ nv_rd32(dev, r));
+ }
+ break;
+ case 7: /* MP error */
+ if (ustatus & 0x00010000) {
+ nv50_pgraph_mp_trap(dev, i, display);
+ ustatus &= ~0x00010000;
+ }
+ break;
+ case 8: /* TPDMA error */
+ {
+ uint32_t e0c = nv_rd32(dev, ustatus_addr + 4);
+ uint32_t e10 = nv_rd32(dev, ustatus_addr + 8);
+ uint32_t e14 = nv_rd32(dev, ustatus_addr + 0xc);
+ uint32_t e18 = nv_rd32(dev, ustatus_addr + 0x10);
+ uint32_t e1c = nv_rd32(dev, ustatus_addr + 0x14);
+ uint32_t e20 = nv_rd32(dev, ustatus_addr + 0x18);
+ uint32_t e24 = nv_rd32(dev, ustatus_addr + 0x1c);
+ nv50_pfb_vm_trap(dev, display, name);
+ /* 2d engine destination */
+ if (ustatus & 0x00000010) {
+ if (display) {
+ NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - Unknown fault at address %02x%08x\n",
+ i, e14, e10);
+ NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
+ i, e0c, e18, e1c, e20, e24);
+ }
+ ustatus &= ~0x00000010;
+ }
+ /* Render target */
+ if (ustatus & 0x00000040) {
+ if (display) {
+ NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - Unknown fault at address %02x%08x\n",
+ i, e14, e10);
+ NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
+ i, e0c, e18, e1c, e20, e24);
+ }
+ ustatus &= ~0x00000040;
+ }
+ /* CUDA memory: l[], g[] or stack. */
+ if (ustatus & 0x00000080) {
+ if (display) {
+ if (e18 & 0x80000000) {
+ /* g[] read fault? */
+ NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global read fault at address %02x%08x\n",
+ i, e14, e10 | ((e18 >> 24) & 0x1f));
+ e18 &= ~0x1f000000;
+ } else if (e18 & 0xc) {
+ /* g[] write fault? */
+ NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global write fault at address %02x%08x\n",
+ i, e14, e10 | ((e18 >> 7) & 0x1f));
+ e18 &= ~0x00000f80;
+ } else {
+ NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Unknown CUDA fault at address %02x%08x\n",
+ i, e14, e10);
+ }
+ NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
+ i, e0c, e18, e1c, e20, e24);
+ }
+ ustatus &= ~0x00000080;
+ }
+ }
+ break;
+ }
+ if (ustatus) {
+ if (display)
+ NV_INFO(dev, "%s - TP%d: Unhandled ustatus 0x%08x\n", name, i, ustatus);
+ }
+ nv_wr32(dev, ustatus_addr, 0xc0000000);
+ }
+
+ if (!tps && display)
+ NV_INFO(dev, "%s - No TPs claiming errors?\n", name);
+}
+
+static void
+nv50_pgraph_trap_handler(struct drm_device *dev)
+{
+ struct nouveau_pgraph_trap trap;
+ uint32_t status = nv_rd32(dev, 0x400108);
+ uint32_t ustatus;
+ int display = nouveau_ratelimit();
+
+
+ if (!status && display) {
+ nouveau_graph_trap_info(dev, &trap);
+ nouveau_graph_dump_trap_info(dev, "PGRAPH_TRAP", &trap);
+ NV_INFO(dev, "PGRAPH_TRAP - no units reporting traps?\n");
+ }
+
+ /* DISPATCH: Relays commands to other units and handles NOTIFY,
+ * COND, QUERY. If you get a trap from it, the command is still stuck
+ * in DISPATCH and you need to do something about it. */
+ if (status & 0x001) {
+ ustatus = nv_rd32(dev, 0x400804) & 0x7fffffff;
+ if (!ustatus && display) {
+ NV_INFO(dev, "PGRAPH_TRAP_DISPATCH - no ustatus?\n");
+ }
+
+ /* Known to be triggered by screwed up NOTIFY and COND... */
+ if (ustatus & 0x00000001) {
+ nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_DISPATCH_FAULT");
+ nv_wr32(dev, 0x400500, 0);
+ if (nv_rd32(dev, 0x400808) & 0x80000000) {
+ if (display) {
+ if (nouveau_graph_trapped_channel(dev, &trap.channel))
+ trap.channel = -1;
+ trap.class = nv_rd32(dev, 0x400814);
+ trap.mthd = nv_rd32(dev, 0x400808) & 0x1ffc;
+ trap.subc = (nv_rd32(dev, 0x400808) >> 16) & 0x7;
+ trap.data = nv_rd32(dev, 0x40080c);
+ trap.data2 = nv_rd32(dev, 0x400810);
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_TRAP_DISPATCH_FAULT", &trap);
+ NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_FAULT - 400808: %08x\n", nv_rd32(dev, 0x400808));
+ NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_FAULT - 400848: %08x\n", nv_rd32(dev, 0x400848));
+ }
+ nv_wr32(dev, 0x400808, 0);
+ } else if (display) {
+ NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_FAULT - No stuck command?\n");
+ }
+ nv_wr32(dev, 0x4008e8, nv_rd32(dev, 0x4008e8) & 3);
+ nv_wr32(dev, 0x400848, 0);
+ ustatus &= ~0x00000001;
+ }
+ if (ustatus & 0x00000002) {
+ nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_DISPATCH_QUERY");
+ nv_wr32(dev, 0x400500, 0);
+ if (nv_rd32(dev, 0x40084c) & 0x80000000) {
+ if (display) {
+ if (nouveau_graph_trapped_channel(dev, &trap.channel))
+ trap.channel = -1;
+ trap.class = nv_rd32(dev, 0x400814);
+ trap.mthd = nv_rd32(dev, 0x40084c) & 0x1ffc;
+ trap.subc = (nv_rd32(dev, 0x40084c) >> 16) & 0x7;
+ trap.data = nv_rd32(dev, 0x40085c);
+ trap.data2 = 0;
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_TRAP_DISPATCH_QUERY", &trap);
+ NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_QUERY - 40084c: %08x\n", nv_rd32(dev, 0x40084c));
+ }
+ nv_wr32(dev, 0x40084c, 0);
+ } else if (display) {
+ NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_QUERY - No stuck command?\n");
+ }
+ ustatus &= ~0x00000002;
+ }
+ if (ustatus && display)
+ NV_INFO(dev, "PGRAPH_TRAP_DISPATCH - Unhandled ustatus 0x%08x\n", ustatus);
+ nv_wr32(dev, 0x400804, 0xc0000000);
+ nv_wr32(dev, 0x400108, 0x001);
+ status &= ~0x001;
+ }
+
+ /* TRAPs other than dispatch use the "normal" trap regs. */
+ if (status && display) {
+ nouveau_graph_trap_info(dev, &trap);
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_TRAP", &trap);
+ }
+
+ /* M2MF: Memory to memory copy engine. */
+ if (status & 0x002) {
+ ustatus = nv_rd32(dev, 0x406800) & 0x7fffffff;
+ if (!ustatus && display) {
+ NV_INFO(dev, "PGRAPH_TRAP_M2MF - no ustatus?\n");
+ }
+ if (ustatus & 0x00000001) {
+ nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_NOTIFY");
+ ustatus &= ~0x00000001;
+ }
+ if (ustatus & 0x00000002) {
+ nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_IN");
+ ustatus &= ~0x00000002;
+ }
+ if (ustatus & 0x00000004) {
+ nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_OUT");
+ ustatus &= ~0x00000004;
+ }
+ NV_INFO (dev, "PGRAPH_TRAP_M2MF - %08x %08x %08x %08x\n",
+ nv_rd32(dev, 0x406804),
+ nv_rd32(dev, 0x406808),
+ nv_rd32(dev, 0x40680c),
+ nv_rd32(dev, 0x406810));
+ if (ustatus && display)
+ NV_INFO(dev, "PGRAPH_TRAP_M2MF - Unhandled ustatus 0x%08x\n", ustatus);
+ /* No sane way found yet -- just reset the bugger. */
+ nv_wr32(dev, 0x400040, 2);
+ nv_wr32(dev, 0x400040, 0);
+ nv_wr32(dev, 0x406800, 0xc0000000);
+ nv_wr32(dev, 0x400108, 0x002);
+ status &= ~0x002;
+ }
+
+ /* VFETCH: Fetches data from vertex buffers. */
+ if (status & 0x004) {
+ ustatus = nv_rd32(dev, 0x400c04) & 0x7fffffff;
+ if (!ustatus && display) {
+ NV_INFO(dev, "PGRAPH_TRAP_VFETCH - no ustatus?\n");
+ }
+ if (ustatus & 0x00000001) {
+ nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_VFETCH_FAULT");
+ NV_INFO (dev, "PGRAPH_TRAP_VFETCH_FAULT - %08x %08x %08x %08x\n",
+ nv_rd32(dev, 0x400c00),
+ nv_rd32(dev, 0x400c08),
+ nv_rd32(dev, 0x400c0c),
+ nv_rd32(dev, 0x400c10));
+ ustatus &= ~0x00000001;
+ }
+ if (ustatus && display)
+ NV_INFO(dev, "PGRAPH_TRAP_VFETCH - Unhandled ustatus 0x%08x\n", ustatus);
+ nv_wr32(dev, 0x400c04, 0xc0000000);
+ nv_wr32(dev, 0x400108, 0x004);
+ status &= ~0x004;
+ }
+
+ /* STRMOUT: DirectX streamout / OpenGL transform feedback. */
+ if (status & 0x008) {
+ ustatus = nv_rd32(dev, 0x401800) & 0x7fffffff;
+ if (!ustatus && display) {
+ NV_INFO(dev, "PGRAPH_TRAP_STRMOUT - no ustatus?\n");
+ }
+ if (ustatus & 0x00000001) {
+ nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_STRMOUT_FAULT");
+ NV_INFO (dev, "PGRAPH_TRAP_STRMOUT_FAULT - %08x %08x %08x %08x\n",
+ nv_rd32(dev, 0x401804),
+ nv_rd32(dev, 0x401808),
+ nv_rd32(dev, 0x40180c),
+ nv_rd32(dev, 0x401810));
+ ustatus &= ~0x00000001;
+ }
+ if (ustatus && display)
+ NV_INFO(dev, "PGRAPH_TRAP_STRMOUT - Unhandled ustatus 0x%08x\n", ustatus);
+ /* No sane way found yet -- just reset the bugger. */
+ nv_wr32(dev, 0x400040, 0x80);
+ nv_wr32(dev, 0x400040, 0);
+ nv_wr32(dev, 0x401800, 0xc0000000);
+ nv_wr32(dev, 0x400108, 0x008);
+ status &= ~0x008;
+ }
+
+ /* CCACHE: Handles code and c[] caches and fills them. */
+ if (status & 0x010) {
+ ustatus = nv_rd32(dev, 0x405018) & 0x7fffffff;
+ if (!ustatus && display) {
+ NV_INFO(dev, "PGRAPH_TRAP_CCACHE - no ustatus?\n");
+ }
+ if (ustatus & 0x00000001) {
+ nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_CCACHE_FAULT");
+ NV_INFO (dev, "PGRAPH_TRAP_CCACHE_FAULT - %08x %08x %08x %08x %08x %08x %08x\n",
+ nv_rd32(dev, 0x405800),
+ nv_rd32(dev, 0x405804),
+ nv_rd32(dev, 0x405808),
+ nv_rd32(dev, 0x40580c),
+ nv_rd32(dev, 0x405810),
+ nv_rd32(dev, 0x405814),
+ nv_rd32(dev, 0x40581c));
+ ustatus &= ~0x00000001;
+ }
+ if (ustatus && display)
+ NV_INFO(dev, "PGRAPH_TRAP_CCACHE - Unhandled ustatus 0x%08x\n", ustatus);
+ nv_wr32(dev, 0x405018, 0xc0000000);
+ nv_wr32(dev, 0x400108, 0x010);
+ status &= ~0x010;
+ }
+
+ /* Unknown, not seen yet... 0x402000 is the only trap status reg
+ * remaining, so try to handle it anyway. Perhaps related to that
+ * unknown DMA slot on tesla? */
+ if (status & 0x20) {
+ nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_UNKC04");
+ ustatus = nv_rd32(dev, 0x402000) & 0x7fffffff;
+ if (display)
+ NV_INFO(dev, "PGRAPH_TRAP_UNKC04 - Unhandled ustatus 0x%08x\n", ustatus);
+ nv_wr32(dev, 0x402000, 0xc0000000);
+ /* no status modifiction on purpose */
+ }
+
+ /* TEXTURE: CUDA texturing units */
+ if (status & 0x040) {
+ nv50_pgraph_tp_trap (dev, 6, 0x408900, 0x408600, display,
+ "PGRAPH_TRAP_TEXTURE");
+ nv_wr32(dev, 0x400108, 0x040);
+ status &= ~0x040;
+ }
+
+ /* MP: CUDA execution engines. */
+ if (status & 0x080) {
+ nv50_pgraph_tp_trap (dev, 7, 0x408314, 0x40831c, display,
+ "PGRAPH_TRAP_MP");
+ nv_wr32(dev, 0x400108, 0x080);
+ status &= ~0x080;
+ }
+
+ /* TPDMA: Handles TP-initiated uncached memory accesses:
+ * l[], g[], stack, 2d surfaces, render targets. */
+ if (status & 0x100) {
+ nv50_pgraph_tp_trap (dev, 8, 0x408e08, 0x408708, display,
+ "PGRAPH_TRAP_TPDMA");
+ nv_wr32(dev, 0x400108, 0x100);
+ status &= ~0x100;
+ }
+
+ if (status) {
+ if (display)
+ NV_INFO(dev, "PGRAPH_TRAP - Unknown trap 0x%08x\n",
+ status);
+ nv_wr32(dev, 0x400108, status);
+ }
+}
+
+/* There must be a *lot* of these. Will take some time to gather them up. */
+static struct nouveau_enum_names nv50_data_error_names[] =
+{
+ { 4, "INVALID_VALUE" },
+ { 5, "INVALID_ENUM" },
+ { 8, "INVALID_OBJECT" },
+ { 0xc, "INVALID_BITFIELD" },
+ { 0x28, "MP_NO_REG_SPACE" },
+ { 0x2b, "MP_BLOCK_SIZE_MISMATCH" },
+};
+
+static void
nv50_pgraph_irq_handler(struct drm_device *dev)
{
+ struct nouveau_pgraph_trap trap;
+ int unhandled = 0;
uint32_t status;
while ((status = nv_rd32(dev, NV03_PGRAPH_INTR))) {
- uint32_t nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
-
+ /* NOTIFY: You've set a NOTIFY an a command and it's done. */
if (status & 0x00000001) {
- nouveau_pgraph_intr_notify(dev, nsource);
+ nouveau_graph_trap_info(dev, &trap);
+ if (nouveau_ratelimit())
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_NOTIFY", &trap);
status &= ~0x00000001;
nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000001);
}
- if (status & 0x00000010) {
- nouveau_pgraph_intr_error(dev, nsource |
- NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD);
+ /* COMPUTE_QUERY: Purpose and exact cause unknown, happens
+ * when you write 0x200 to 0x50c0 method 0x31c. */
+ if (status & 0x00000002) {
+ nouveau_graph_trap_info(dev, &trap);
+ if (nouveau_ratelimit())
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_COMPUTE_QUERY", &trap);
+ status &= ~0x00000002;
+ nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000002);
+ }
+ /* Unknown, never seen: 0x4 */
+
+ /* ILLEGAL_MTHD: You used a wrong method for this class. */
+ if (status & 0x00000010) {
+ nouveau_graph_trap_info(dev, &trap);
+ if (nouveau_pgraph_intr_swmthd(dev, &trap))
+ unhandled = 1;
+ if (unhandled && nouveau_ratelimit())
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_ILLEGAL_MTHD", &trap);
status &= ~0x00000010;
nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000010);
}
+ /* ILLEGAL_CLASS: You used a wrong class. */
+ if (status & 0x00000020) {
+ nouveau_graph_trap_info(dev, &trap);
+ if (nouveau_ratelimit())
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_ILLEGAL_CLASS", &trap);
+ status &= ~0x00000020;
+ nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000020);
+ }
+
+ /* DOUBLE_NOTIFY: You tried to set a NOTIFY on another NOTIFY. */
+ if (status & 0x00000040) {
+ nouveau_graph_trap_info(dev, &trap);
+ if (nouveau_ratelimit())
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_DOUBLE_NOTIFY", &trap);
+ status &= ~0x00000040;
+ nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000040);
+ }
+
+ /* CONTEXT_SWITCH: PGRAPH needs us to load a new context */
if (status & 0x00001000) {
nv_wr32(dev, 0x400500, 0x00000000);
nv_wr32(dev, NV03_PGRAPH_INTR,
@@ -613,49 +1115,59 @@ nv50_pgraph_irq_handler(struct drm_device *dev)
status &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
}
- if (status & 0x00100000) {
- nouveau_pgraph_intr_error(dev, nsource |
- NV03_PGRAPH_NSOURCE_DATA_ERROR);
+ /* BUFFER_NOTIFY: Your m2mf transfer finished */
+ if (status & 0x00010000) {
+ nouveau_graph_trap_info(dev, &trap);
+ if (nouveau_ratelimit())
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_BUFFER_NOTIFY", &trap);
+ status &= ~0x00010000;
+ nv_wr32(dev, NV03_PGRAPH_INTR, 0x00010000);
+ }
+ /* DATA_ERROR: Invalid value for this method, or invalid
+ * state in current PGRAPH context for this operation */
+ if (status & 0x00100000) {
+ nouveau_graph_trap_info(dev, &trap);
+ if (nouveau_ratelimit()) {
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_DATA_ERROR", &trap);
+ NV_INFO (dev, "PGRAPH_DATA_ERROR - ");
+ nouveau_print_enum_names(nv_rd32(dev, 0x400110),
+ nv50_data_error_names);
+ printk("\n");
+ }
status &= ~0x00100000;
nv_wr32(dev, NV03_PGRAPH_INTR, 0x00100000);
}
+ /* TRAP: Something bad happened in the middle of command
+ * execution. Has a billion types, subtypes, and even
+ * subsubtypes. */
if (status & 0x00200000) {
- int r;
-
- nouveau_pgraph_intr_error(dev, nsource |
- NV03_PGRAPH_NSOURCE_PROTECTION_ERROR);
-
- NV_ERROR(dev, "magic set 1:\n");
- for (r = 0x408900; r <= 0x408910; r += 4)
- NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
- nv_rd32(dev, r));
- nv_wr32(dev, 0x408900,
- nv_rd32(dev, 0x408904) | 0xc0000000);
- for (r = 0x408e08; r <= 0x408e24; r += 4)
- NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
- nv_rd32(dev, r));
- nv_wr32(dev, 0x408e08,
- nv_rd32(dev, 0x408e08) | 0xc0000000);
-
- NV_ERROR(dev, "magic set 2:\n");
- for (r = 0x409900; r <= 0x409910; r += 4)
- NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
- nv_rd32(dev, r));
- nv_wr32(dev, 0x409900,
- nv_rd32(dev, 0x409904) | 0xc0000000);
- for (r = 0x409e08; r <= 0x409e24; r += 4)
- NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
- nv_rd32(dev, r));
- nv_wr32(dev, 0x409e08,
- nv_rd32(dev, 0x409e08) | 0xc0000000);
-
+ nv50_pgraph_trap_handler(dev);
status &= ~0x00200000;
- nv_wr32(dev, NV03_PGRAPH_NSOURCE, nsource);
nv_wr32(dev, NV03_PGRAPH_INTR, 0x00200000);
}
+ /* Unknown, never seen: 0x00400000 */
+
+ /* SINGLE_STEP: Happens on every method if you turned on
+ * single stepping in 40008c */
+ if (status & 0x01000000) {
+ nouveau_graph_trap_info(dev, &trap);
+ if (nouveau_ratelimit())
+ nouveau_graph_dump_trap_info(dev,
+ "PGRAPH_SINGLE_STEP", &trap);
+ status &= ~0x01000000;
+ nv_wr32(dev, NV03_PGRAPH_INTR, 0x01000000);
+ }
+
+ /* 0x02000000 happens when you pause a ctxprog...
+ * but the only way this can happen that I know is by
+ * poking the relevant MMIO register, and we don't
+ * do that. */
+
if (status) {
NV_INFO(dev, "Unhandled PGRAPH_INTR - 0x%08x\n",
status);
@@ -672,7 +1184,8 @@ nv50_pgraph_irq_handler(struct drm_device *dev)
}
nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PGRAPH_PENDING);
- nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
+ if (nv_rd32(dev, 0x400824) & (1 << 31))
+ nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
}
static void
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 00:23:51 +0000