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drm/nouveau: tidy+move PGRAPH ISRs to their respective *_graph.c files 

Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-11-03 13:16:18 +10:00
parent 5178d40dff
commit 274fec93cd
8 changed files with 809 additions and 894 deletions
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8
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -54,6 +54,7 @@ struct nouveau_fpriv {
#include "nouveau_drm.h"
#include "nouveau_reg.h"
#include "nouveau_bios.h"
#include "nouveau_util.h"
struct nouveau_grctx;
#define MAX_NUM_DCB_ENTRIES 16
@ -872,6 +873,7 @@ extern int nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
int (*exec)(struct nouveau_channel *,
u32 class, u32 mthd, u32 data));
extern int nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
extern int nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
uint32_t vram_h, uint32_t tt_h);
extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
@ -1110,9 +1112,9 @@ extern int nv04_graph_create_context(struct nouveau_channel *);
extern void nv04_graph_destroy_context(struct nouveau_channel *);
extern int nv04_graph_load_context(struct nouveau_channel *);
extern int nv04_graph_unload_context(struct drm_device *);
extern void nv04_graph_context_switch(struct drm_device *);
extern int nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
u32 class, u32 mthd, u32 data);
extern struct nouveau_bitfield nv04_graph_nsource[];
/* nv10_graph.c */
extern int nv10_graph_init(struct drm_device *);
@ -1122,8 +1124,9 @@ extern int nv10_graph_create_context(struct nouveau_channel *);
extern void nv10_graph_destroy_context(struct nouveau_channel *);
extern int nv10_graph_load_context(struct nouveau_channel *);
extern int nv10_graph_unload_context(struct drm_device *);
extern void nv10_graph_context_switch(struct drm_device *);
extern void nv10_graph_set_tile_region(struct drm_device *dev, int i);
extern struct nouveau_bitfield nv10_graph_intr[];
extern struct nouveau_bitfield nv10_graph_nstatus[];
/* nv20_graph.c */
extern int nv20_graph_create_context(struct nouveau_channel *);
@ -1155,7 +1158,6 @@ extern int nv50_graph_create_context(struct nouveau_channel *);
extern void nv50_graph_destroy_context(struct nouveau_channel *);
extern int nv50_graph_load_context(struct nouveau_channel *);
extern int nv50_graph_unload_context(struct drm_device *);
extern void nv50_graph_context_switch(struct drm_device *);
extern int nv50_grctx_init(struct nouveau_grctx *);
extern void nv50_graph_tlb_flush(struct drm_device *dev);
extern void nv86_graph_tlb_flush(struct drm_device *dev);

894
drivers/gpu/drm/nouveau/nouveau_irq.c
View File

@ -69,910 +69,34 @@ nouveau_irq_uninstall(struct drm_device *dev)
nv_wr32(dev, NV03_PMC_INTR_EN_0, 0);
}
static struct nouveau_bitfield nstatus_names[] =
{
{ NV04_PGRAPH_NSTATUS_STATE_IN_USE, "STATE_IN_USE" },
{ NV04_PGRAPH_NSTATUS_INVALID_STATE, "INVALID_STATE" },
{ NV04_PGRAPH_NSTATUS_BAD_ARGUMENT, "BAD_ARGUMENT" },
{ NV04_PGRAPH_NSTATUS_PROTECTION_FAULT, "PROTECTION_FAULT" },
{}
};
static struct nouveau_bitfield nstatus_names_nv10[] =
{
{ NV10_PGRAPH_NSTATUS_STATE_IN_USE, "STATE_IN_USE" },
{ NV10_PGRAPH_NSTATUS_INVALID_STATE, "INVALID_STATE" },
{ NV10_PGRAPH_NSTATUS_BAD_ARGUMENT, "BAD_ARGUMENT" },
{ NV10_PGRAPH_NSTATUS_PROTECTION_FAULT, "PROTECTION_FAULT" },
{}
};
static struct nouveau_bitfield nsource_names[] =
{
{ NV03_PGRAPH_NSOURCE_NOTIFICATION, "NOTIFICATION" },
{ NV03_PGRAPH_NSOURCE_DATA_ERROR, "DATA_ERROR" },
{ NV03_PGRAPH_NSOURCE_PROTECTION_ERROR, "PROTECTION_ERROR" },
{ NV03_PGRAPH_NSOURCE_RANGE_EXCEPTION, "RANGE_EXCEPTION" },
{ NV03_PGRAPH_NSOURCE_LIMIT_COLOR, "LIMIT_COLOR" },
{ NV03_PGRAPH_NSOURCE_LIMIT_ZETA, "LIMIT_ZETA" },
{ NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD, "ILLEGAL_MTHD" },
{ NV03_PGRAPH_NSOURCE_DMA_R_PROTECTION, "DMA_R_PROTECTION" },
{ NV03_PGRAPH_NSOURCE_DMA_W_PROTECTION, "DMA_W_PROTECTION" },
{ NV03_PGRAPH_NSOURCE_FORMAT_EXCEPTION, "FORMAT_EXCEPTION" },
{ NV03_PGRAPH_NSOURCE_PATCH_EXCEPTION, "PATCH_EXCEPTION" },
{ NV03_PGRAPH_NSOURCE_STATE_INVALID, "STATE_INVALID" },
{ NV03_PGRAPH_NSOURCE_DOUBLE_NOTIFY, "DOUBLE_NOTIFY" },
{ NV03_PGRAPH_NSOURCE_NOTIFY_IN_USE, "NOTIFY_IN_USE" },
{ NV03_PGRAPH_NSOURCE_METHOD_CNT, "METHOD_CNT" },
{ NV03_PGRAPH_NSOURCE_BFR_NOTIFICATION, "BFR_NOTIFICATION" },
{ NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION, "DMA_VTX_PROTECTION" },
{ NV03_PGRAPH_NSOURCE_DMA_WIDTH_A, "DMA_WIDTH_A" },
{ NV03_PGRAPH_NSOURCE_DMA_WIDTH_B, "DMA_WIDTH_B" },
{}
};
static int
nouveau_graph_chid_from_grctx(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan;
unsigned long flags;
uint32_t inst;
int i;
if (dev_priv->card_type < NV_40)
return dev_priv->engine.fifo.channels;
else
if (dev_priv->card_type < NV_50) {
inst = (nv_rd32(dev, 0x40032c) & 0xfffff) << 4;
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_grctx)
continue;
if (inst == chan->ramin_grctx->pinst)
break;
}
spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
} else {
inst = (nv_rd32(dev, 0x40032c) & 0xfffff) << 12;
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 int
nouveau_graph_trapped_channel(struct drm_device *dev, int *channel_ret)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
int channel;
if (dev_priv->card_type < NV_10)
channel = (nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR) >> 24) & 0xf;
else
if (dev_priv->card_type < NV_40)
channel = (nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR) >> 20) & 0x1f;
else
channel = nouveau_graph_chid_from_grctx(dev);
if (channel >= engine->fifo.channels ||
!dev_priv->channels.ptr[channel]) {
NV_ERROR(dev, "AIII, invalid/inactive channel id %d\n", channel);
return -EINVAL;
}
*channel_ret = channel;
return 0;
}
struct nouveau_pgraph_trap {
int channel;
int class;
int subc, mthd, size;
uint32_t data, data2;
uint32_t nsource, nstatus;
};
static void
nouveau_graph_trap_info(struct drm_device *dev,
struct nouveau_pgraph_trap *trap)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t address;
trap->nsource = trap->nstatus = 0;
if (dev_priv->card_type < NV_50) {
trap->nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
trap->nstatus = nv_rd32(dev, NV03_PGRAPH_NSTATUS);
}
if (nouveau_graph_trapped_channel(dev, &trap->channel))
trap->channel = -1;
address = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR);
trap->mthd = address & 0x1FFC;
trap->data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA);
if (dev_priv->card_type < NV_10) {
trap->subc = (address >> 13) & 0x7;
} else {
trap->subc = (address >> 16) & 0x7;
trap->data2 = nv_rd32(dev, NV10_PGRAPH_TRAPPED_DATA_HIGH);
}
if (dev_priv->card_type < NV_10)
trap->class = nv_rd32(dev, 0x400180 + trap->subc*4) & 0xFF;
else if (dev_priv->card_type < NV_40)
trap->class = nv_rd32(dev, 0x400160 + trap->subc*4) & 0xFFF;
else if (dev_priv->card_type < NV_50)
trap->class = nv_rd32(dev, 0x400160 + trap->subc*4) & 0xFFFF;
else
trap->class = nv_rd32(dev, 0x400814);
}
static void
nouveau_graph_dump_trap_info(struct drm_device *dev, const char *id,
struct nouveau_pgraph_trap *trap)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t nsource = trap->nsource, nstatus = trap->nstatus;
if (dev_priv->card_type < NV_50) {
NV_INFO(dev, "%s - nSource:", id);
nouveau_bitfield_print(nsource_names, nsource);
printk(", nStatus:");
if (dev_priv->card_type < NV_10)
nouveau_bitfield_print(nstatus_names, nstatus);
else
nouveau_bitfield_print(nstatus_names_nv10, nstatus);
printk("\n");
}
NV_INFO(dev, "%s - Ch %d/%d Class 0x%04x Mthd 0x%04x "
"Data 0x%08x:0x%08x\n",
id, trap->channel, trap->subc,
trap->class, trap->mthd,
trap->data2, trap->data);
}
static int
nouveau_pgraph_intr_swmthd(struct drm_device *dev,
struct nouveau_pgraph_trap *trap)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan;
unsigned long flags;
int ret = -EINVAL;
spin_lock_irqsave(&dev_priv->channels.lock, flags);
if (trap->channel > 0 &&
trap->channel < dev_priv->engine.fifo.channels &&
dev_priv->channels.ptr[trap->channel]) {
chan = dev_priv->channels.ptr[trap->channel];
ret = nouveau_gpuobj_mthd_call(chan, trap->class, trap->mthd, trap->data);
}
spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
return ret;
}
static inline void
nouveau_pgraph_intr_notify(struct drm_device *dev, uint32_t nsource)
{
struct nouveau_pgraph_trap trap;
int unhandled = 0;
nouveau_graph_trap_info(dev, &trap);
if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
if (nouveau_pgraph_intr_swmthd(dev, &trap))
unhandled = 1;
} else {
unhandled = 1;
}
if (unhandled)
nouveau_graph_dump_trap_info(dev, "PGRAPH_NOTIFY", &trap);
}
static inline void
nouveau_pgraph_intr_error(struct drm_device *dev, uint32_t nsource)
{
struct nouveau_pgraph_trap trap;
int unhandled = 0;
nouveau_graph_trap_info(dev, &trap);
trap.nsource = nsource;
if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
if (nouveau_pgraph_intr_swmthd(dev, &trap))
unhandled = 1;
} else if (nsource & NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION) {
uint32_t v = nv_rd32(dev, 0x402000);
nv_wr32(dev, 0x402000, v);
/* dump the error anyway for now: it's useful for
Gallium development */
unhandled = 1;
} else {
unhandled = 1;
}
if (unhandled && nouveau_ratelimit())
nouveau_graph_dump_trap_info(dev, "PGRAPH_ERROR", &trap);
}
static inline void
nouveau_pgraph_intr_context_switch(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
uint32_t chid;
chid = engine->fifo.channel_id(dev);
NV_DEBUG(dev, "PGRAPH context switch interrupt channel %x\n", chid);
switch (dev_priv->card_type) {
case NV_04:
nv04_graph_context_switch(dev);
break;
case NV_10:
nv10_graph_context_switch(dev);
break;
default:
NV_ERROR(dev, "Context switch not implemented\n");
break;
}
}
static void
nouveau_pgraph_irq_handler(struct drm_device *dev)
{
uint32_t status;
while ((status = nv_rd32(dev, NV03_PGRAPH_INTR))) {
uint32_t nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
if (status & NV_PGRAPH_INTR_NOTIFY) {
nouveau_pgraph_intr_notify(dev, nsource);
status &= ~NV_PGRAPH_INTR_NOTIFY;
nv_wr32(dev, NV03_PGRAPH_INTR, NV_PGRAPH_INTR_NOTIFY);
}
if (status & NV_PGRAPH_INTR_ERROR) {
nouveau_pgraph_intr_error(dev, nsource);
status &= ~NV_PGRAPH_INTR_ERROR;
nv_wr32(dev, NV03_PGRAPH_INTR, NV_PGRAPH_INTR_ERROR);
}
if (status & NV_PGRAPH_INTR_CONTEXT_SWITCH) {
status &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
nv_wr32(dev, NV03_PGRAPH_INTR,
NV_PGRAPH_INTR_CONTEXT_SWITCH);
nouveau_pgraph_intr_context_switch(dev);
}
if (status) {
NV_INFO(dev, "Unhandled PGRAPH_INTR - 0x%08x\n", status);
nv_wr32(dev, NV03_PGRAPH_INTR, status);
}
if ((nv_rd32(dev, NV04_PGRAPH_FIFO) & (1 << 0)) == 0)
nv_wr32(dev, NV04_PGRAPH_FIFO, 1);
}
nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PGRAPH_PENDING);
}
static struct nouveau_enum 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_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 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_fb_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_fb_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_fb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_NOTIFY");
ustatus &= ~0x00000001;
}
if (ustatus & 0x00000002) {
nv50_fb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_IN");
ustatus &= ~0x00000002;
}
if (ustatus & 0x00000004) {
nv50_fb_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_fb_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_fb_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_fb_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_fb_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 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))) {
/* NOTIFY: You've set a NOTIFY an a command and it's done. */
if (status & 0x00000001) {
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);
}
/* 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,
NV_PGRAPH_INTR_CONTEXT_SWITCH);
nv_wr32(dev, NV40_PGRAPH_INTR_EN, nv_rd32(dev,
NV40_PGRAPH_INTR_EN) &
~NV_PGRAPH_INTR_CONTEXT_SWITCH);
nv_wr32(dev, 0x400500, 0x00010001);
nv50_graph_context_switch(dev);
status &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
}
/* 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_enum_print(nv50_data_error_names,
nv_rd32(dev, 0x400110));
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) {
nv50_pgraph_trap_handler(dev);
status &= ~0x00200000;
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);
nv_wr32(dev, NV03_PGRAPH_INTR, status);
}
{
const int isb = (1 << 16) | (1 << 0);
if ((nv_rd32(dev, 0x400500) & isb) != isb)
nv_wr32(dev, 0x400500,
nv_rd32(dev, 0x400500) | isb);
}
}
nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PGRAPH_PENDING);
if (nv_rd32(dev, 0x400824) & (1 << 31))
nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
}
irqreturn_t
nouveau_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *)arg;
struct drm_nouveau_private *dev_priv = dev->dev_private;
unsigned long flags;
u32 status;
u32 stat;
int i;
status = nv_rd32(dev, NV03_PMC_INTR_0);
if (!status)
stat = nv_rd32(dev, NV03_PMC_INTR_0);
if (!stat)
return IRQ_NONE;
spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
if (status & NV_PMC_INTR_0_PGRAPH_PENDING) {
if (dev_priv->card_type >= NV_50)
nv50_pgraph_irq_handler(dev);
else
nouveau_pgraph_irq_handler(dev);
status &= ~NV_PMC_INTR_0_PGRAPH_PENDING;
}
for (i = 0; i < 32 && status; i++) {
if (!(status & (1 << i)) || !dev_priv->irq_handler[i])
for (i = 0; i < 32 && stat; i++) {
if (!(stat & (1 << i)) || !dev_priv->irq_handler[i])
continue;
dev_priv->irq_handler[i](dev);
status &= ~(1 << i);
stat &= ~(1 << i);
}
if (status)
NV_ERROR(dev, "Unhandled PMC INTR status bits 0x%08x\n", status);
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
if (dev_priv->msi_enabled)
nv_wr08(dev, 0x00088068, 0xff);
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
if (stat && nouveau_ratelimit())
NV_ERROR(dev, "PMC - unhandled INTR 0x%08x\n", stat);
return IRQ_HANDLED;
}

18
drivers/gpu/drm/nouveau/nouveau_object.c
View File

@ -113,6 +113,24 @@ nouveau_gpuobj_mthd_call(struct nouveau_channel *chan,
return -ENOENT;
}
int
nouveau_gpuobj_mthd_call2(struct drm_device *dev, int chid,
u32 class, u32 mthd, u32 data)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = NULL;
unsigned long flags;
int ret = -EINVAL;
spin_lock_irqsave(&dev_priv->channels.lock, flags);
if (chid > 0 && chid < dev_priv->engine.fifo.channels)
chan = dev_priv->channels.ptr[chid];
if (chan)
ret = nouveau_gpuobj_mthd_call(chan, class, mthd, data);
spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
return ret;
}
/* NVidia uses context objects to drive drawing operations.
Context objects can be selected into 8 subchannels in the FIFO,

95
drivers/gpu/drm/nouveau/nv04_graph.c
View File

@ -27,8 +27,10 @@
#include "nouveau_drm.h"
#include "nouveau_drv.h"
#include "nouveau_hw.h"
#include "nouveau_util.h"
static int nv04_graph_register(struct drm_device *dev);
static int nv04_graph_register(struct drm_device *dev);
static void nv04_graph_isr(struct drm_device *dev);
static uint32_t nv04_graph_ctx_regs[] = {
0x0040053c,
@ -363,7 +365,7 @@ nv04_graph_channel(struct drm_device *dev)
return dev_priv->channels.ptr[chid];
}
void
static void
nv04_graph_context_switch(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
@ -498,6 +500,7 @@ int nv04_graph_init(struct drm_device *dev)
return ret;
/* Enable PGRAPH interrupts */
nouveau_irq_register(dev, 12, nv04_graph_isr);
nv_wr32(dev, NV03_PGRAPH_INTR, 0xFFFFFFFF);
nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
@ -533,6 +536,8 @@ int nv04_graph_init(struct drm_device *dev)
void nv04_graph_takedown(struct drm_device *dev)
{
nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0x00000000);
nouveau_irq_unregister(dev, 12);
}
void
@ -1224,3 +1229,89 @@ nv04_graph_register(struct drm_device *dev)
dev_priv->engine.graph.registered = true;
return 0;
};
static struct nouveau_bitfield nv04_graph_intr[] = {
{ NV_PGRAPH_INTR_NOTIFY, "NOTIFY" },
{}
};
static struct nouveau_bitfield nv04_graph_nstatus[] =
{
{ NV04_PGRAPH_NSTATUS_STATE_IN_USE, "STATE_IN_USE" },
{ NV04_PGRAPH_NSTATUS_INVALID_STATE, "INVALID_STATE" },
{ NV04_PGRAPH_NSTATUS_BAD_ARGUMENT, "BAD_ARGUMENT" },
{ NV04_PGRAPH_NSTATUS_PROTECTION_FAULT, "PROTECTION_FAULT" },
{}
};
struct nouveau_bitfield nv04_graph_nsource[] =
{
{ NV03_PGRAPH_NSOURCE_NOTIFICATION, "NOTIFICATION" },
{ NV03_PGRAPH_NSOURCE_DATA_ERROR, "DATA_ERROR" },
{ NV03_PGRAPH_NSOURCE_PROTECTION_ERROR, "PROTECTION_ERROR" },
{ NV03_PGRAPH_NSOURCE_RANGE_EXCEPTION, "RANGE_EXCEPTION" },
{ NV03_PGRAPH_NSOURCE_LIMIT_COLOR, "LIMIT_COLOR" },
{ NV03_PGRAPH_NSOURCE_LIMIT_ZETA, "LIMIT_ZETA" },
{ NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD, "ILLEGAL_MTHD" },
{ NV03_PGRAPH_NSOURCE_DMA_R_PROTECTION, "DMA_R_PROTECTION" },
{ NV03_PGRAPH_NSOURCE_DMA_W_PROTECTION, "DMA_W_PROTECTION" },
{ NV03_PGRAPH_NSOURCE_FORMAT_EXCEPTION, "FORMAT_EXCEPTION" },
{ NV03_PGRAPH_NSOURCE_PATCH_EXCEPTION, "PATCH_EXCEPTION" },
{ NV03_PGRAPH_NSOURCE_STATE_INVALID, "STATE_INVALID" },
{ NV03_PGRAPH_NSOURCE_DOUBLE_NOTIFY, "DOUBLE_NOTIFY" },
{ NV03_PGRAPH_NSOURCE_NOTIFY_IN_USE, "NOTIFY_IN_USE" },
{ NV03_PGRAPH_NSOURCE_METHOD_CNT, "METHOD_CNT" },
{ NV03_PGRAPH_NSOURCE_BFR_NOTIFICATION, "BFR_NOTIFICATION" },
{ NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION, "DMA_VTX_PROTECTION" },
{ NV03_PGRAPH_NSOURCE_DMA_WIDTH_A, "DMA_WIDTH_A" },
{ NV03_PGRAPH_NSOURCE_DMA_WIDTH_B, "DMA_WIDTH_B" },
{}
};
static void
nv04_graph_isr(struct drm_device *dev)
{
u32 stat;
while ((stat = nv_rd32(dev, NV03_PGRAPH_INTR))) {
u32 nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
u32 nstatus = nv_rd32(dev, NV03_PGRAPH_NSTATUS);
u32 addr = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR);
u32 chid = (addr & 0x0f000000) >> 24;
u32 subc = (addr & 0x0000e000) >> 13;
u32 mthd = (addr & 0x00001ffc);
u32 data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA);
u32 class = nv_rd32(dev, 0x400180 + subc * 4) & 0xff;
u32 show = stat;
if (stat & NV_PGRAPH_INTR_NOTIFY) {
if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
if (!nouveau_gpuobj_mthd_call2(dev, chid, class, mthd, data))
show &= ~NV_PGRAPH_INTR_NOTIFY;
}
}
if (stat & NV_PGRAPH_INTR_CONTEXT_SWITCH) {
nv_wr32(dev, NV03_PGRAPH_INTR, NV_PGRAPH_INTR_CONTEXT_SWITCH);
stat &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
show &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
nv04_graph_context_switch(dev);
}
nv_wr32(dev, NV03_PGRAPH_INTR, stat);
nv_wr32(dev, NV04_PGRAPH_FIFO, 0x00000001);
if (show && nouveau_ratelimit()) {
NV_INFO(dev, "PGRAPH -");
nouveau_bitfield_print(nv04_graph_intr, show);
printk(" nsource:");
nouveau_bitfield_print(nv04_graph_nsource, nsource);
printk(" nstatus:");
nouveau_bitfield_print(nv04_graph_nstatus, nstatus);
printk("\n");
NV_INFO(dev, "PGRAPH - ch %d/%d class 0x%04x "
"mthd 0x%04x data 0x%08x\n",
chid, subc, class, mthd, data);
}
}
}

72
drivers/gpu/drm/nouveau/nv10_graph.c
View File

@ -26,8 +26,10 @@
#include "drm.h"
#include "nouveau_drm.h"
#include "nouveau_drv.h"
#include "nouveau_util.h"
static int nv10_graph_register(struct drm_device *);
static int nv10_graph_register(struct drm_device *);
static void nv10_graph_isr(struct drm_device *);
#define NV10_FIFO_NUMBER 32
@ -788,7 +790,7 @@ nv10_graph_unload_context(struct drm_device *dev)
return 0;
}
void
static void
nv10_graph_context_switch(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
@ -924,6 +926,7 @@ int nv10_graph_init(struct drm_device *dev)
if (ret)
return ret;
nouveau_irq_register(dev, 12, nv10_graph_isr);
nv_wr32(dev, NV03_PGRAPH_INTR , 0xFFFFFFFF);
nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
@ -966,6 +969,8 @@ int nv10_graph_init(struct drm_device *dev)
void nv10_graph_takedown(struct drm_device *dev)
{
nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0x00000000);
nouveau_irq_unregister(dev, 12);
}
static int
@ -1117,3 +1122,66 @@ nv10_graph_register(struct drm_device *dev)
dev_priv->engine.graph.registered = true;
return 0;
}
struct nouveau_bitfield nv10_graph_intr[] = {
{ NV_PGRAPH_INTR_NOTIFY, "NOTIFY" },
{ NV_PGRAPH_INTR_ERROR, "ERROR" },
{}
};
struct nouveau_bitfield nv10_graph_nstatus[] =
{
{ NV10_PGRAPH_NSTATUS_STATE_IN_USE, "STATE_IN_USE" },
{ NV10_PGRAPH_NSTATUS_INVALID_STATE, "INVALID_STATE" },
{ NV10_PGRAPH_NSTATUS_BAD_ARGUMENT, "BAD_ARGUMENT" },
{ NV10_PGRAPH_NSTATUS_PROTECTION_FAULT, "PROTECTION_FAULT" },
{}
};
static void
nv10_graph_isr(struct drm_device *dev)
{
u32 stat;
while ((stat = nv_rd32(dev, NV03_PGRAPH_INTR))) {
u32 nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
u32 nstatus = nv_rd32(dev, NV03_PGRAPH_NSTATUS);
u32 addr = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR);
u32 chid = (addr & 0x01f00000) >> 20;
u32 subc = (addr & 0x00070000) >> 16;
u32 mthd = (addr & 0x00001ffc);
u32 data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA);
u32 class = nv_rd32(dev, 0x400160 + subc * 4) & 0xfff;
u32 show = stat;
if (stat & NV_PGRAPH_INTR_ERROR) {
if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
if (!nouveau_gpuobj_mthd_call2(dev, chid, class, mthd, data))
show &= ~NV_PGRAPH_INTR_ERROR;
}
}
if (stat & NV_PGRAPH_INTR_CONTEXT_SWITCH) {
nv_wr32(dev, NV03_PGRAPH_INTR, NV_PGRAPH_INTR_CONTEXT_SWITCH);
stat &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
show &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
nv10_graph_context_switch(dev);
}
nv_wr32(dev, NV03_PGRAPH_INTR, stat);
nv_wr32(dev, NV04_PGRAPH_FIFO, 0x00000001);
if (show && nouveau_ratelimit()) {
NV_INFO(dev, "PGRAPH -");
nouveau_bitfield_print(nv10_graph_intr, show);
printk(" nsource:");
nouveau_bitfield_print(nv04_graph_nsource, nsource);
printk(" nstatus:");
nouveau_bitfield_print(nv10_graph_nstatus, nstatus);
printk("\n");
NV_INFO(dev, "PGRAPH - ch %d/%d class 0x%04x "
"mthd 0x%04x data 0x%08x\n",
chid, subc, class, mthd, data);
}
}
}

47
drivers/gpu/drm/nouveau/nv20_graph.c
View File

@ -34,6 +34,7 @@
static int nv20_graph_register(struct drm_device *);
static int nv30_graph_register(struct drm_device *);
static void nv20_graph_isr(struct drm_device *);
static void
nv20_graph_context_init(struct drm_device *dev, struct nouveau_gpuobj *ctx)
@ -584,6 +585,7 @@ nv20_graph_init(struct drm_device *dev)
return ret;
}
nouveau_irq_register(dev, 12, nv20_graph_isr);
nv_wr32(dev, NV03_PGRAPH_INTR , 0xFFFFFFFF);
nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
@ -661,6 +663,9 @@ nv20_graph_takedown(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0x00000000);
nouveau_irq_unregister(dev, 12);
nouveau_gpuobj_ref(NULL, &pgraph->ctx_table);
}
@ -712,6 +717,7 @@ nv30_graph_init(struct drm_device *dev)
nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_TABLE,
pgraph->ctx_table->pinst >> 4);
nouveau_irq_register(dev, 12, nv20_graph_isr);
nv_wr32(dev, NV03_PGRAPH_INTR , 0xFFFFFFFF);
nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
@ -850,3 +856,44 @@ nv30_graph_register(struct drm_device *dev)
dev_priv->engine.graph.registered = true;
return 0;
}
static void
nv20_graph_isr(struct drm_device *dev)
{
u32 stat;
while ((stat = nv_rd32(dev, NV03_PGRAPH_INTR))) {
u32 nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
u32 nstatus = nv_rd32(dev, NV03_PGRAPH_NSTATUS);
u32 addr = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR);
u32 chid = (addr & 0x01f00000) >> 20;
u32 subc = (addr & 0x00070000) >> 16;
u32 mthd = (addr & 0x00001ffc);
u32 data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA);
u32 class = nv_rd32(dev, 0x400160 + subc * 4) & 0xfff;
u32 show = stat;
if (stat & NV_PGRAPH_INTR_ERROR) {
if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
if (!nouveau_gpuobj_mthd_call2(dev, chid, class, mthd, data))
show &= ~NV_PGRAPH_INTR_ERROR;
}
}
nv_wr32(dev, NV03_PGRAPH_INTR, stat);
nv_wr32(dev, NV04_PGRAPH_FIFO, 0x00000001);
if (show && nouveau_ratelimit()) {
NV_INFO(dev, "PGRAPH -");
nouveau_bitfield_print(nv10_graph_intr, show);
printk(" nsource:");
nouveau_bitfield_print(nv04_graph_nsource, nsource);
printk(" nstatus:");
nouveau_bitfield_print(nv10_graph_nstatus, nstatus);
printk("\n");
NV_INFO(dev, "PGRAPH - ch %d/%d class 0x%04x "
"mthd 0x%04x data 0x%08x\n",
chid, subc, class, mthd, data);
}
}
}

69
drivers/gpu/drm/nouveau/nv40_graph.c
View File

@ -30,6 +30,7 @@
#include "nouveau_grctx.h"
static int nv40_graph_register(struct drm_device *);
static void nv40_graph_isr(struct drm_device *);
struct nouveau_channel *
nv40_graph_channel(struct drm_device *dev)
@ -277,6 +278,7 @@ nv40_graph_init(struct drm_device *dev)
/* No context present currently */
nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR, 0x00000000);
nouveau_irq_register(dev, 12, nv40_graph_isr);
nv_wr32(dev, NV03_PGRAPH_INTR , 0xFFFFFFFF);
nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xFFFFFFFF);
@ -408,6 +410,7 @@ nv40_graph_init(struct drm_device *dev)
void nv40_graph_takedown(struct drm_device *dev)
{
nouveau_irq_unregister(dev, 12);
}
static int
@ -449,3 +452,69 @@ nv40_graph_register(struct drm_device *dev)
dev_priv->engine.graph.registered = true;
return 0;
}
static int
nv40_graph_isr_chid(struct drm_device *dev, u32 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_grctx)
continue;
if (inst == chan->ramin_grctx->pinst)
break;
}
spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
return i;
}
static void
nv40_graph_isr(struct drm_device *dev)
{
u32 stat;
while ((stat = nv_rd32(dev, NV03_PGRAPH_INTR))) {
u32 nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
u32 nstatus = nv_rd32(dev, NV03_PGRAPH_NSTATUS);
u32 inst = (nv_rd32(dev, 0x40032c) & 0x000fffff) << 4;
u32 chid = nv40_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, 0x400160 + subc * 4) & 0xffff;
u32 show = stat;
if (stat & NV_PGRAPH_INTR_ERROR) {
if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
if (!nouveau_gpuobj_mthd_call2(dev, chid, class, mthd, data))
show &= ~NV_PGRAPH_INTR_ERROR;
} else
if (nsource & NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION) {
nv_mask(dev, 0x402000, 0, 0);
}
}
nv_wr32(dev, NV03_PGRAPH_INTR, stat);
nv_wr32(dev, NV04_PGRAPH_FIFO, 0x00000001);
if (show && nouveau_ratelimit()) {
NV_INFO(dev, "PGRAPH -");
nouveau_bitfield_print(nv10_graph_intr, show);
printk(" nsource:");
nouveau_bitfield_print(nv04_graph_nsource, nsource);
printk(" nstatus:");
nouveau_bitfield_print(nv10_graph_nstatus, nstatus);
printk("\n");
NV_INFO(dev, "PGRAPH - ch %d (0x%08x) subc %d "
"class 0x%04x mthd 0x%04x data 0x%08x\n",
chid, inst, subc, class, mthd, data);
}
}
}

500
drivers/gpu/drm/nouveau/nv50_graph.c
View File

@ -32,7 +32,8 @@
#include "nouveau_dma.h"
#include "nv50_evo.h"
static int nv50_graph_register(struct drm_device *);
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)
@ -50,6 +51,7 @@ 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);
@ -165,6 +167,8 @@ void
nv50_graph_takedown(struct drm_device *dev)
{
NV_DEBUG(dev, "\n");
nv_wr32(dev, 0x40013c, 0x00000000);
nouveau_irq_unregister(dev, 12);
}
void
@ -324,7 +328,7 @@ nv50_graph_unload_context(struct drm_device *dev)
return 0;
}
void
static void
nv50_graph_context_switch(struct drm_device *dev)
{
uint32_t inst;
@ -512,3 +516,495 @@ nv86_graph_tlb_flush(struct drm_device *dev)
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. */
static struct nouveau_enum 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 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));
}