From 274fec93cdd627408a799519fa602f2eecb14d2f Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Wed, 3 Nov 2010 13:16:18 +1000 Subject: [PATCH] drm/nouveau: tidy+move PGRAPH ISRs to their respective *_graph.c files Reviewed-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_drv.h | 8 +- drivers/gpu/drm/nouveau/nouveau_irq.c | 894 +------------------------------ drivers/gpu/drm/nouveau/nouveau_object.c | 18 + drivers/gpu/drm/nouveau/nv04_graph.c | 95 +++- drivers/gpu/drm/nouveau/nv10_graph.c | 72 ++- drivers/gpu/drm/nouveau/nv20_graph.c | 47 ++ drivers/gpu/drm/nouveau/nv40_graph.c | 69 +++ drivers/gpu/drm/nouveau/nv50_graph.c | 500 ++++++++++++++++- 8 files changed, 809 insertions(+), 894 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index e174479..b19ef7f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -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); diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c index 16f42f7..2ba7265 100644 --- a/drivers/gpu/drm/nouveau/nouveau_irq.c +++ b/drivers/gpu/drm/nouveau/nouveau_irq.c @@ -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; } diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c index 5407818..9442955 100644 --- a/drivers/gpu/drm/nouveau/nouveau_object.c +++ b/drivers/gpu/drm/nouveau/nouveau_object.c @@ -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, diff --git a/drivers/gpu/drm/nouveau/nv04_graph.c b/drivers/gpu/drm/nouveau/nv04_graph.c index 239519a..0bc616d 100644 --- a/drivers/gpu/drm/nouveau/nv04_graph.c +++ b/drivers/gpu/drm/nouveau/nv04_graph.c @@ -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); + } + } +} diff --git a/drivers/gpu/drm/nouveau/nv10_graph.c b/drivers/gpu/drm/nouveau/nv10_graph.c index 1cd141e..536b39e4 100644 --- a/drivers/gpu/drm/nouveau/nv10_graph.c +++ b/drivers/gpu/drm/nouveau/nv10_graph.c @@ -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); + } + } +} diff --git a/drivers/gpu/drm/nouveau/nv20_graph.c b/drivers/gpu/drm/nouveau/nv20_graph.c index bd065c2..8464b76 100644 --- a/drivers/gpu/drm/nouveau/nv20_graph.c +++ b/drivers/gpu/drm/nouveau/nv20_graph.c @@ -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); + } + } +} diff --git a/drivers/gpu/drm/nouveau/nv40_graph.c b/drivers/gpu/drm/nouveau/nv40_graph.c index 7a51608..0618846 100644 --- a/drivers/gpu/drm/nouveau/nv40_graph.c +++ b/drivers/gpu/drm/nouveau/nv40_graph.c @@ -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); + } + } +} diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c index 6785269..b390078 100644 --- a/drivers/gpu/drm/nouveau/nv50_graph.c +++ b/drivers/gpu/drm/nouveau/nv50_graph.c @@ -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)); +} -- 2.7.4