aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nv50_graph.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_graph.c680
1 files changed, 638 insertions, 42 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c
index 8b669d0af610..37e21d2be95b 100644
--- a/drivers/gpu/drm/nouveau/nv50_graph.c
+++ b/drivers/gpu/drm/nouveau/nv50_graph.c
@@ -29,6 +29,12 @@
#include "nouveau_drv.h"
#include "nouveau_ramht.h"
#include "nouveau_grctx.h"
+#include "nouveau_dma.h"
+#include "nouveau_vm.h"
+#include "nv50_evo.h"
+
+static int nv50_graph_register(struct drm_device *);
+static void nv50_graph_isr(struct drm_device *);
static void
nv50_graph_init_reset(struct drm_device *dev)
@@ -46,6 +52,7 @@ nv50_graph_init_intr(struct drm_device *dev)
{
NV_DEBUG(dev, "\n");
+ nouveau_irq_register(dev, 12, nv50_graph_isr);
nv_wr32(dev, NV03_PGRAPH_INTR, 0xffffffff);
nv_wr32(dev, 0x400138, 0xffffffff);
nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xffffffff);
@@ -145,12 +152,15 @@ nv50_graph_init(struct drm_device *dev)
nv50_graph_init_reset(dev);
nv50_graph_init_regs__nv(dev);
nv50_graph_init_regs(dev);
- nv50_graph_init_intr(dev);
ret = nv50_graph_init_ctxctl(dev);
if (ret)
return ret;
+ ret = nv50_graph_register(dev);
+ if (ret)
+ return ret;
+ nv50_graph_init_intr(dev);
return 0;
}
@@ -158,6 +168,8 @@ void
nv50_graph_takedown(struct drm_device *dev)
{
NV_DEBUG(dev, "\n");
+ nv_wr32(dev, 0x40013c, 0x00000000);
+ nouveau_irq_unregister(dev, 12);
}
void
@@ -190,7 +202,7 @@ nv50_graph_channel(struct drm_device *dev)
inst = (inst & NV50_PGRAPH_CTXCTL_CUR_INSTANCE) << 12;
for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
- struct nouveau_channel *chan = dev_priv->fifos[i];
+ struct nouveau_channel *chan = dev_priv->channels.ptr[i];
if (chan && chan->ramin && chan->ramin->vinst == inst)
return chan;
@@ -211,7 +223,7 @@ nv50_graph_create_context(struct nouveau_channel *chan)
NV_DEBUG(dev, "ch%d\n", chan->id);
- ret = nouveau_gpuobj_new(dev, chan, pgraph->grctx_size, 0x1000,
+ ret = nouveau_gpuobj_new(dev, chan, pgraph->grctx_size, 0,
NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE, &chan->ramin_grctx);
if (ret)
@@ -234,6 +246,7 @@ nv50_graph_create_context(struct nouveau_channel *chan)
nv_wo32(chan->ramin_grctx, 0x00000, chan->ramin->vinst >> 12);
dev_priv->engine.instmem.flush(dev);
+ atomic_inc(&chan->vm->pgraph_refs);
return 0;
}
@@ -242,18 +255,34 @@ nv50_graph_destroy_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
+ struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
int i, hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
+ unsigned long flags;
NV_DEBUG(dev, "ch%d\n", chan->id);
if (!chan->ramin)
return;
+ spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+ pfifo->reassign(dev, false);
+ pgraph->fifo_access(dev, false);
+
+ if (pgraph->channel(dev) == chan)
+ pgraph->unload_context(dev);
+
for (i = hdr; i < hdr + 24; i += 4)
nv_wo32(chan->ramin, i, 0);
dev_priv->engine.instmem.flush(dev);
+ pgraph->fifo_access(dev, true);
+ pfifo->reassign(dev, true);
+ spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
+
nouveau_gpuobj_ref(NULL, &chan->ramin_grctx);
+
+ atomic_dec(&chan->vm->pgraph_refs);
}
static int
@@ -306,7 +335,7 @@ nv50_graph_unload_context(struct drm_device *dev)
return 0;
}
-void
+static void
nv50_graph_context_switch(struct drm_device *dev)
{
uint32_t inst;
@@ -322,8 +351,8 @@ nv50_graph_context_switch(struct drm_device *dev)
}
static int
-nv50_graph_nvsw_dma_vblsem(struct nouveau_channel *chan, int grclass,
- int mthd, uint32_t data)
+nv50_graph_nvsw_dma_vblsem(struct nouveau_channel *chan,
+ u32 class, u32 mthd, u32 data)
{
struct nouveau_gpuobj *gpuobj;
@@ -340,8 +369,8 @@ nv50_graph_nvsw_dma_vblsem(struct nouveau_channel *chan, int grclass,
}
static int
-nv50_graph_nvsw_vblsem_offset(struct nouveau_channel *chan, int grclass,
- int mthd, uint32_t data)
+nv50_graph_nvsw_vblsem_offset(struct nouveau_channel *chan,
+ u32 class, u32 mthd, u32 data)
{
if (nouveau_notifier_offset(chan->nvsw.vblsem, &data))
return -ERANGE;
@@ -351,16 +380,16 @@ nv50_graph_nvsw_vblsem_offset(struct nouveau_channel *chan, int grclass,
}
static int
-nv50_graph_nvsw_vblsem_release_val(struct nouveau_channel *chan, int grclass,
- int mthd, uint32_t data)
+nv50_graph_nvsw_vblsem_release_val(struct nouveau_channel *chan,
+ u32 class, u32 mthd, u32 data)
{
chan->nvsw.vblsem_rval = data;
return 0;
}
static int
-nv50_graph_nvsw_vblsem_release(struct nouveau_channel *chan, int grclass,
- int mthd, uint32_t data)
+nv50_graph_nvsw_vblsem_release(struct nouveau_channel *chan,
+ u32 class, u32 mthd, u32 data)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
@@ -368,45 +397,85 @@ nv50_graph_nvsw_vblsem_release(struct nouveau_channel *chan, int grclass,
if (!chan->nvsw.vblsem || chan->nvsw.vblsem_offset == ~0 || data > 1)
return -EINVAL;
- if (!(nv_rd32(dev, NV50_PDISPLAY_INTR_EN) &
- NV50_PDISPLAY_INTR_EN_VBLANK_CRTC_(data))) {
- nv_wr32(dev, NV50_PDISPLAY_INTR_1,
- NV50_PDISPLAY_INTR_1_VBLANK_CRTC_(data));
- nv_wr32(dev, NV50_PDISPLAY_INTR_EN, nv_rd32(dev,
- NV50_PDISPLAY_INTR_EN) |
- NV50_PDISPLAY_INTR_EN_VBLANK_CRTC_(data));
- }
+ drm_vblank_get(dev, data);
+ chan->nvsw.vblsem_head = data;
list_add(&chan->nvsw.vbl_wait, &dev_priv->vbl_waiting);
+
return 0;
}
-static struct nouveau_pgraph_object_method nv50_graph_nvsw_methods[] = {
- { 0x018c, nv50_graph_nvsw_dma_vblsem },
- { 0x0400, nv50_graph_nvsw_vblsem_offset },
- { 0x0404, nv50_graph_nvsw_vblsem_release_val },
- { 0x0408, nv50_graph_nvsw_vblsem_release },
- {}
-};
+static int
+nv50_graph_nvsw_mthd_page_flip(struct nouveau_channel *chan,
+ u32 class, u32 mthd, u32 data)
+{
+ struct nouveau_page_flip_state s;
-struct nouveau_pgraph_object_class nv50_graph_grclass[] = {
- { 0x506e, true, nv50_graph_nvsw_methods }, /* nvsw */
- { 0x0030, false, NULL }, /* null */
- { 0x5039, false, NULL }, /* m2mf */
- { 0x502d, false, NULL }, /* 2d */
- { 0x50c0, false, NULL }, /* compute */
- { 0x85c0, false, NULL }, /* compute (nva3, nva5, nva8) */
- { 0x5097, false, NULL }, /* tesla (nv50) */
- { 0x8297, false, NULL }, /* tesla (nv8x/nv9x) */
- { 0x8397, false, NULL }, /* tesla (nva0, nvaa, nvac) */
- { 0x8597, false, NULL }, /* tesla (nva3, nva5, nva8) */
- {}
-};
+ if (!nouveau_finish_page_flip(chan, &s)) {
+ /* XXX - Do something here */
+ }
+
+ return 0;
+}
+
+static int
+nv50_graph_register(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->engine.graph.registered)
+ return 0;
+
+ NVOBJ_CLASS(dev, 0x506e, SW); /* nvsw */
+ NVOBJ_MTHD (dev, 0x506e, 0x018c, nv50_graph_nvsw_dma_vblsem);
+ NVOBJ_MTHD (dev, 0x506e, 0x0400, nv50_graph_nvsw_vblsem_offset);
+ NVOBJ_MTHD (dev, 0x506e, 0x0404, nv50_graph_nvsw_vblsem_release_val);
+ NVOBJ_MTHD (dev, 0x506e, 0x0408, nv50_graph_nvsw_vblsem_release);
+ NVOBJ_MTHD (dev, 0x506e, 0x0500, nv50_graph_nvsw_mthd_page_flip);
+
+ NVOBJ_CLASS(dev, 0x0030, GR); /* null */
+ NVOBJ_CLASS(dev, 0x5039, GR); /* m2mf */
+ NVOBJ_CLASS(dev, 0x502d, GR); /* 2d */
+
+ /* tesla */
+ if (dev_priv->chipset == 0x50)
+ NVOBJ_CLASS(dev, 0x5097, GR); /* tesla (nv50) */
+ else
+ if (dev_priv->chipset < 0xa0)
+ NVOBJ_CLASS(dev, 0x8297, GR); /* tesla (nv8x/nv9x) */
+ else {
+ switch (dev_priv->chipset) {
+ case 0xa0:
+ case 0xaa:
+ case 0xac:
+ NVOBJ_CLASS(dev, 0x8397, GR);
+ break;
+ case 0xa3:
+ case 0xa5:
+ case 0xa8:
+ NVOBJ_CLASS(dev, 0x8597, GR);
+ break;
+ case 0xaf:
+ NVOBJ_CLASS(dev, 0x8697, GR);
+ break;
+ }
+ }
+
+ /* compute */
+ NVOBJ_CLASS(dev, 0x50c0, GR);
+ if (dev_priv->chipset > 0xa0 &&
+ dev_priv->chipset != 0xaa &&
+ dev_priv->chipset != 0xac)
+ NVOBJ_CLASS(dev, 0x85c0, GR);
+
+ dev_priv->engine.graph.registered = true;
+ return 0;
+}
void
nv50_graph_tlb_flush(struct drm_device *dev)
{
- nv50_vm_flush(dev, 0);
+ nv50_vm_flush_engine(dev, 0);
}
void
@@ -449,8 +518,535 @@ nv86_graph_tlb_flush(struct drm_device *dev)
nv_rd32(dev, 0x400384), nv_rd32(dev, 0x400388));
}
- nv50_vm_flush(dev, 0);
+ nv50_vm_flush_engine(dev, 0);
nv_mask(dev, 0x400500, 0x00000001, 0x00000001);
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
}
+
+static struct nouveau_enum nv50_mp_exec_error_names[] =
+{
+ { 3, "STACK_UNDERFLOW" },
+ { 4, "QUADON_ACTIVE" },
+ { 8, "TIMEOUT" },
+ { 0x10, "INVALID_OPCODE" },
+ { 0x40, "BREAKPOINT" },
+ {}
+};
+
+static struct nouveau_bitfield nv50_graph_trap_m2mf[] = {
+ { 0x00000001, "NOTIFY" },
+ { 0x00000002, "IN" },
+ { 0x00000004, "OUT" },
+ {}
+};
+
+static struct nouveau_bitfield nv50_graph_trap_vfetch[] = {
+ { 0x00000001, "FAULT" },
+ {}
+};
+
+static struct nouveau_bitfield nv50_graph_trap_strmout[] = {
+ { 0x00000001, "FAULT" },
+ {}
+};
+
+static struct nouveau_bitfield nv50_graph_trap_ccache[] = {
+ { 0x00000001, "FAULT" },
+ {}
+};
+
+/* There must be a *lot* of these. Will take some time to gather them up. */
+struct nouveau_enum nv50_data_error_names[] = {
+ { 0x00000003, "INVALID_QUERY_OR_TEXTURE" },
+ { 0x00000004, "INVALID_VALUE" },
+ { 0x00000005, "INVALID_ENUM" },
+ { 0x00000008, "INVALID_OBJECT" },
+ { 0x00000009, "READ_ONLY_OBJECT" },
+ { 0x0000000a, "SUPERVISOR_OBJECT" },
+ { 0x0000000b, "INVALID_ADDRESS_ALIGNMENT" },
+ { 0x0000000c, "INVALID_BITFIELD" },
+ { 0x0000000d, "BEGIN_END_ACTIVE" },
+ { 0x0000000e, "SEMANTIC_COLOR_BACK_OVER_LIMIT" },
+ { 0x0000000f, "VIEWPORT_ID_NEEDS_GP" },
+ { 0x00000010, "RT_DOUBLE_BIND" },
+ { 0x00000011, "RT_TYPES_MISMATCH" },
+ { 0x00000012, "RT_LINEAR_WITH_ZETA" },
+ { 0x00000015, "FP_TOO_FEW_REGS" },
+ { 0x00000016, "ZETA_FORMAT_CSAA_MISMATCH" },
+ { 0x00000017, "RT_LINEAR_WITH_MSAA" },
+ { 0x00000018, "FP_INTERPOLANT_START_OVER_LIMIT" },
+ { 0x00000019, "SEMANTIC_LAYER_OVER_LIMIT" },
+ { 0x0000001a, "RT_INVALID_ALIGNMENT" },
+ { 0x0000001b, "SAMPLER_OVER_LIMIT" },
+ { 0x0000001c, "TEXTURE_OVER_LIMIT" },
+ { 0x0000001e, "GP_TOO_MANY_OUTPUTS" },
+ { 0x0000001f, "RT_BPP128_WITH_MS8" },
+ { 0x00000021, "Z_OUT_OF_BOUNDS" },
+ { 0x00000023, "XY_OUT_OF_BOUNDS" },
+ { 0x00000027, "CP_MORE_PARAMS_THAN_SHARED" },
+ { 0x00000028, "CP_NO_REG_SPACE_STRIPED" },
+ { 0x00000029, "CP_NO_REG_SPACE_PACKED" },
+ { 0x0000002a, "CP_NOT_ENOUGH_WARPS" },
+ { 0x0000002b, "CP_BLOCK_SIZE_MISMATCH" },
+ { 0x0000002c, "CP_NOT_ENOUGH_LOCAL_WARPS" },
+ { 0x0000002d, "CP_NOT_ENOUGH_STACK_WARPS" },
+ { 0x0000002e, "CP_NO_BLOCKDIM_LATCH" },
+ { 0x00000031, "ENG2D_FORMAT_MISMATCH" },
+ { 0x0000003f, "PRIMITIVE_ID_NEEDS_GP" },
+ { 0x00000044, "SEMANTIC_VIEWPORT_OVER_LIMIT" },
+ { 0x00000045, "SEMANTIC_COLOR_FRONT_OVER_LIMIT" },
+ { 0x00000046, "LAYER_ID_NEEDS_GP" },
+ { 0x00000047, "SEMANTIC_CLIP_OVER_LIMIT" },
+ { 0x00000048, "SEMANTIC_PTSZ_OVER_LIMIT" },
+ {}
+};
+
+static struct nouveau_bitfield nv50_graph_intr[] = {
+ { 0x00000001, "NOTIFY" },
+ { 0x00000002, "COMPUTE_QUERY" },
+ { 0x00000010, "ILLEGAL_MTHD" },
+ { 0x00000020, "ILLEGAL_CLASS" },
+ { 0x00000040, "DOUBLE_NOTIFY" },
+ { 0x00001000, "CONTEXT_SWITCH" },
+ { 0x00010000, "BUFFER_NOTIFY" },
+ { 0x00100000, "DATA_ERROR" },
+ { 0x00200000, "TRAP" },
+ { 0x01000000, "SINGLE_STEP" },
+ {}
+};
+
+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_enum_print(nv50_mp_exec_error_names, status);
+ 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_fb_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_fb_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 int
+nv50_pgraph_trap_handler(struct drm_device *dev, u32 display, u64 inst, u32 chid)
+{
+ u32 status = nv_rd32(dev, 0x400108);
+ u32 ustatus;
+
+ if (!status && display) {
+ NV_INFO(dev, "PGRAPH - TRAP: no units reporting traps?\n");
+ return 1;
+ }
+
+ /* 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");
+ }
+
+ nv_wr32(dev, 0x400500, 0x00000000);
+
+ /* Known to be triggered by screwed up NOTIFY and COND... */
+ if (ustatus & 0x00000001) {
+ u32 addr = nv_rd32(dev, 0x400808);
+ u32 subc = (addr & 0x00070000) >> 16;
+ u32 mthd = (addr & 0x00001ffc);
+ u32 datal = nv_rd32(dev, 0x40080c);
+ u32 datah = nv_rd32(dev, 0x400810);
+ u32 class = nv_rd32(dev, 0x400814);
+ u32 r848 = nv_rd32(dev, 0x400848);
+
+ NV_INFO(dev, "PGRAPH - TRAP DISPATCH_FAULT\n");
+ if (display && (addr & 0x80000000)) {
+ NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) "
+ "subc %d class 0x%04x mthd 0x%04x "
+ "data 0x%08x%08x "
+ "400808 0x%08x 400848 0x%08x\n",
+ chid, inst, subc, class, mthd, datah,
+ datal, addr, r848);
+ } else
+ if (display) {
+ NV_INFO(dev, "PGRAPH - no stuck command?\n");
+ }
+
+ nv_wr32(dev, 0x400808, 0);
+ nv_wr32(dev, 0x4008e8, nv_rd32(dev, 0x4008e8) & 3);
+ nv_wr32(dev, 0x400848, 0);
+ ustatus &= ~0x00000001;
+ }
+
+ if (ustatus & 0x00000002) {
+ u32 addr = nv_rd32(dev, 0x40084c);
+ u32 subc = (addr & 0x00070000) >> 16;
+ u32 mthd = (addr & 0x00001ffc);
+ u32 data = nv_rd32(dev, 0x40085c);
+ u32 class = nv_rd32(dev, 0x400814);
+
+ NV_INFO(dev, "PGRAPH - TRAP DISPATCH_QUERY\n");
+ if (display && (addr & 0x80000000)) {
+ NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) "
+ "subc %d class 0x%04x mthd 0x%04x "
+ "data 0x%08x 40084c 0x%08x\n",
+ chid, inst, subc, class, mthd,
+ data, addr);
+ } else
+ if (display) {
+ NV_INFO(dev, "PGRAPH - no stuck command?\n");
+ }
+
+ nv_wr32(dev, 0x40084c, 0);
+ ustatus &= ~0x00000002;
+ }
+
+ if (ustatus && display) {
+ NV_INFO(dev, "PGRAPH - TRAP_DISPATCH (unknown "
+ "0x%08x)\n", ustatus);
+ }
+
+ nv_wr32(dev, 0x400804, 0xc0000000);
+ nv_wr32(dev, 0x400108, 0x001);
+ status &= ~0x001;
+ if (!status)
+ return 0;
+ }
+
+ /* M2MF: Memory to memory copy engine. */
+ if (status & 0x002) {
+ u32 ustatus = nv_rd32(dev, 0x406800) & 0x7fffffff;
+ if (display) {
+ NV_INFO(dev, "PGRAPH - TRAP_M2MF");
+ nouveau_bitfield_print(nv50_graph_trap_m2mf, ustatus);
+ printk("\n");
+ 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));
+
+ }
+
+ /* 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) {
+ u32 ustatus = nv_rd32(dev, 0x400c04) & 0x7fffffff;
+ if (display) {
+ NV_INFO(dev, "PGRAPH - TRAP_VFETCH");
+ nouveau_bitfield_print(nv50_graph_trap_vfetch, ustatus);
+ printk("\n");
+ NV_INFO(dev, "PGRAPH - TRAP_VFETCH %08x %08x %08x %08x\n",
+ nv_rd32(dev, 0x400c00), nv_rd32(dev, 0x400c08),
+ nv_rd32(dev, 0x400c0c), nv_rd32(dev, 0x400c10));
+ }
+
+ 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 (display) {
+ NV_INFO(dev, "PGRAPH - TRAP_STRMOUT");
+ nouveau_bitfield_print(nv50_graph_trap_strmout, ustatus);
+ printk("\n");
+ NV_INFO(dev, "PGRAPH - TRAP_STRMOUT %08x %08x %08x %08x\n",
+ nv_rd32(dev, 0x401804), nv_rd32(dev, 0x401808),
+ nv_rd32(dev, 0x40180c), nv_rd32(dev, 0x401810));
+
+ }
+
+ /* 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 (display) {
+ NV_INFO(dev, "PGRAPH - TRAP_CCACHE");
+ nouveau_bitfield_print(nv50_graph_trap_ccache, ustatus);
+ printk("\n");
+ NV_INFO(dev, "PGRAPH - TRAP_CCACHE %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));
+
+ }
+
+ 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) {
+ ustatus = nv_rd32(dev, 0x402000) & 0x7fffffff;
+ if (display)
+ NV_INFO(dev, "PGRAPH - TRAP_UNKC04 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 0x%08x\n", status);
+ nv_wr32(dev, 0x400108, status);
+ }
+
+ return 1;
+}
+
+static int
+nv50_graph_isr_chid(struct drm_device *dev, u64 inst)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_channel *chan;
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&dev_priv->channels.lock, flags);
+ for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
+ chan = dev_priv->channels.ptr[i];
+ if (!chan || !chan->ramin)
+ continue;
+
+ if (inst == chan->ramin->vinst)
+ break;
+ }
+ spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
+ return i;
+}
+
+static void
+nv50_graph_isr(struct drm_device *dev)
+{
+ u32 stat;
+
+ while ((stat = nv_rd32(dev, 0x400100))) {
+ u64 inst = (u64)(nv_rd32(dev, 0x40032c) & 0x0fffffff) << 12;
+ u32 chid = nv50_graph_isr_chid(dev, inst);
+ u32 addr = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR);
+ u32 subc = (addr & 0x00070000) >> 16;
+ u32 mthd = (addr & 0x00001ffc);
+ u32 data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA);
+ u32 class = nv_rd32(dev, 0x400814);
+ u32 show = stat;
+
+ if (stat & 0x00000010) {
+ if (!nouveau_gpuobj_mthd_call2(dev, chid, class,
+ mthd, data))
+ show &= ~0x00000010;
+ }
+
+ if (stat & 0x00001000) {
+ nv_wr32(dev, 0x400500, 0x00000000);
+ nv_wr32(dev, 0x400100, 0x00001000);
+ nv_mask(dev, 0x40013c, 0x00001000, 0x00000000);
+ nv50_graph_context_switch(dev);
+ stat &= ~0x00001000;
+ show &= ~0x00001000;
+ }
+
+ show = (show && nouveau_ratelimit()) ? show : 0;
+
+ if (show & 0x00100000) {
+ u32 ecode = nv_rd32(dev, 0x400110);
+ NV_INFO(dev, "PGRAPH - DATA_ERROR ");
+ nouveau_enum_print(nv50_data_error_names, ecode);
+ printk("\n");
+ }
+
+ if (stat & 0x00200000) {
+ if (!nv50_pgraph_trap_handler(dev, show, inst, chid))
+ show &= ~0x00200000;
+ }
+
+ nv_wr32(dev, 0x400100, stat);
+ nv_wr32(dev, 0x400500, 0x00010001);
+
+ if (show) {
+ NV_INFO(dev, "PGRAPH -");
+ nouveau_bitfield_print(nv50_graph_intr, show);
+ printk("\n");
+ NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) subc %d "
+ "class 0x%04x mthd 0x%04x data 0x%08x\n",
+ chid, inst, subc, class, mthd, data);
+ }
+ }
+
+ if (nv_rd32(dev, 0x400824) & (1 << 31))
+ nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.