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path: root/drivers/gpu/drm/nouveau/nv50_graph.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_graph.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_graph.c868
1 files changed, 0 insertions, 868 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c
deleted file mode 100644
index 437608d1dfe7..000000000000
--- a/drivers/gpu/drm/nouveau/nv50_graph.c
+++ /dev/null
@@ -1,868 +0,0 @@
-/*
- * Copyright (C) 2007 Ben Skeggs.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "nouveau_drv.h"
-#include "nouveau_fifo.h"
-#include "nouveau_ramht.h"
-#include "nouveau_dma.h"
-#include "nouveau_vm.h"
-#include "nv50_evo.h"
-
-struct nv50_graph_engine {
- struct nouveau_exec_engine base;
- u32 ctxprog[512];
- u32 ctxprog_size;
- u32 grctx_size;
-};
-
-static int
-nv50_graph_init(struct drm_device *dev, int engine)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nv50_graph_engine *pgraph = nv_engine(dev, engine);
- u32 units = nv_rd32(dev, 0x001540);
- int i;
-
- NV_DEBUG(dev, "\n");
-
- /* master reset */
- nv_mask(dev, 0x000200, 0x00201000, 0x00000000);
- nv_mask(dev, 0x000200, 0x00201000, 0x00201000);
- nv_wr32(dev, 0x40008c, 0x00000004); /* HW_CTX_SWITCH_ENABLED */
-
- /* reset/enable traps and interrupts */
- nv_wr32(dev, 0x400804, 0xc0000000);
- nv_wr32(dev, 0x406800, 0xc0000000);
- nv_wr32(dev, 0x400c04, 0xc0000000);
- nv_wr32(dev, 0x401800, 0xc0000000);
- nv_wr32(dev, 0x405018, 0xc0000000);
- nv_wr32(dev, 0x402000, 0xc0000000);
- for (i = 0; i < 16; i++) {
- if (!(units & (1 << i)))
- continue;
-
- if (dev_priv->chipset < 0xa0) {
- nv_wr32(dev, 0x408900 + (i << 12), 0xc0000000);
- nv_wr32(dev, 0x408e08 + (i << 12), 0xc0000000);
- nv_wr32(dev, 0x408314 + (i << 12), 0xc0000000);
- } else {
- nv_wr32(dev, 0x408600 + (i << 11), 0xc0000000);
- nv_wr32(dev, 0x408708 + (i << 11), 0xc0000000);
- nv_wr32(dev, 0x40831c + (i << 11), 0xc0000000);
- }
- }
-
- nv_wr32(dev, 0x400108, 0xffffffff);
- nv_wr32(dev, 0x400138, 0xffffffff);
- nv_wr32(dev, 0x400100, 0xffffffff);
- nv_wr32(dev, 0x40013c, 0xffffffff);
- nv_wr32(dev, 0x400500, 0x00010001);
-
- /* upload context program, initialise ctxctl defaults */
- nv_wr32(dev, 0x400324, 0x00000000);
- for (i = 0; i < pgraph->ctxprog_size; i++)
- nv_wr32(dev, 0x400328, pgraph->ctxprog[i]);
- nv_wr32(dev, 0x400824, 0x00000000);
- nv_wr32(dev, 0x400828, 0x00000000);
- nv_wr32(dev, 0x40082c, 0x00000000);
- nv_wr32(dev, 0x400830, 0x00000000);
- nv_wr32(dev, 0x400724, 0x00000000);
- nv_wr32(dev, 0x40032c, 0x00000000);
- nv_wr32(dev, 0x400320, 4); /* CTXCTL_CMD = NEWCTXDMA */
-
- /* some unknown zcull magic */
- switch (dev_priv->chipset & 0xf0) {
- case 0x50:
- case 0x80:
- case 0x90:
- nv_wr32(dev, 0x402ca8, 0x00000800);
- break;
- case 0xa0:
- default:
- nv_wr32(dev, 0x402cc0, 0x00000000);
- if (dev_priv->chipset == 0xa0 ||
- dev_priv->chipset == 0xaa ||
- dev_priv->chipset == 0xac) {
- nv_wr32(dev, 0x402ca8, 0x00000802);
- } else {
- nv_wr32(dev, 0x402cc0, 0x00000000);
- nv_wr32(dev, 0x402ca8, 0x00000002);
- }
-
- break;
- }
-
- /* zero out zcull regions */
- for (i = 0; i < 8; i++) {
- nv_wr32(dev, 0x402c20 + (i * 8), 0x00000000);
- nv_wr32(dev, 0x402c24 + (i * 8), 0x00000000);
- nv_wr32(dev, 0x402c28 + (i * 8), 0x00000000);
- nv_wr32(dev, 0x402c2c + (i * 8), 0x00000000);
- }
-
- return 0;
-}
-
-static int
-nv50_graph_fini(struct drm_device *dev, int engine, bool suspend)
-{
- nv_wr32(dev, 0x40013c, 0x00000000);
- return 0;
-}
-
-static int
-nv50_graph_context_new(struct nouveau_channel *chan, int engine)
-{
- struct drm_device *dev = chan->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj *ramin = chan->ramin;
- struct nouveau_gpuobj *grctx = NULL;
- struct nv50_graph_engine *pgraph = nv_engine(dev, engine);
- int hdr, ret;
-
- NV_DEBUG(dev, "ch%d\n", chan->id);
-
- ret = nouveau_gpuobj_new(dev, NULL, pgraph->grctx_size, 0,
- NVOBJ_FLAG_ZERO_ALLOC |
- NVOBJ_FLAG_ZERO_FREE, &grctx);
- if (ret)
- return ret;
-
- hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
- nv_wo32(ramin, hdr + 0x00, 0x00190002);
- nv_wo32(ramin, hdr + 0x04, grctx->vinst + grctx->size - 1);
- nv_wo32(ramin, hdr + 0x08, grctx->vinst);
- nv_wo32(ramin, hdr + 0x0c, 0);
- nv_wo32(ramin, hdr + 0x10, 0);
- nv_wo32(ramin, hdr + 0x14, 0x00010000);
-
- nv50_grctx_fill(dev, grctx);
- nv_wo32(grctx, 0x00000, chan->ramin->vinst >> 12);
-
- dev_priv->engine.instmem.flush(dev);
-
- atomic_inc(&chan->vm->engref[NVOBJ_ENGINE_GR]);
- chan->engctx[NVOBJ_ENGINE_GR] = grctx;
- return 0;
-}
-
-static void
-nv50_graph_context_del(struct nouveau_channel *chan, int engine)
-{
- struct nouveau_gpuobj *grctx = chan->engctx[engine];
- struct drm_device *dev = chan->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- int i, hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
-
- for (i = hdr; i < hdr + 24; i += 4)
- nv_wo32(chan->ramin, i, 0);
- dev_priv->engine.instmem.flush(dev);
-
- atomic_dec(&chan->vm->engref[engine]);
- nouveau_gpuobj_ref(NULL, &grctx);
- chan->engctx[engine] = NULL;
-}
-
-static int
-nv50_graph_object_new(struct nouveau_channel *chan, int engine,
- u32 handle, u16 class)
-{
- struct drm_device *dev = chan->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj *obj = NULL;
- int ret;
-
- ret = nouveau_gpuobj_new(dev, chan, 16, 16, NVOBJ_FLAG_ZERO_FREE, &obj);
- if (ret)
- return ret;
- obj->engine = 1;
- obj->class = class;
-
- nv_wo32(obj, 0x00, class);
- nv_wo32(obj, 0x04, 0x00000000);
- nv_wo32(obj, 0x08, 0x00000000);
- nv_wo32(obj, 0x0c, 0x00000000);
- dev_priv->engine.instmem.flush(dev);
-
- ret = nouveau_ramht_insert(chan, handle, obj);
- nouveau_gpuobj_ref(NULL, &obj);
- return ret;
-}
-
-static void
-nv50_graph_tlb_flush(struct drm_device *dev, int engine)
-{
- nv50_vm_flush_engine(dev, 0);
-}
-
-static void
-nv84_graph_tlb_flush(struct drm_device *dev, int engine)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
- bool idle, timeout = false;
- unsigned long flags;
- u64 start;
- u32 tmp;
-
- spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
- nv_mask(dev, 0x400500, 0x00000001, 0x00000000);
-
- start = ptimer->read(dev);
- do {
- idle = true;
-
- for (tmp = nv_rd32(dev, 0x400380); tmp && idle; tmp >>= 3) {
- if ((tmp & 7) == 1)
- idle = false;
- }
-
- for (tmp = nv_rd32(dev, 0x400384); tmp && idle; tmp >>= 3) {
- if ((tmp & 7) == 1)
- idle = false;
- }
-
- for (tmp = nv_rd32(dev, 0x400388); tmp && idle; tmp >>= 3) {
- if ((tmp & 7) == 1)
- idle = false;
- }
- } while (!idle && !(timeout = ptimer->read(dev) - start > 2000000000));
-
- if (timeout) {
- NV_ERROR(dev, "PGRAPH TLB flush idle timeout fail: "
- "0x%08x 0x%08x 0x%08x 0x%08x\n",
- nv_rd32(dev, 0x400700), nv_rd32(dev, 0x400380),
- nv_rd32(dev, 0x400384), nv_rd32(dev, 0x400388));
- }
-
- nv50_vm_flush_engine(dev, 0);
-
- nv_mask(dev, 0x400500, 0x00000001, 0x00000001);
- spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
-}
-
-static struct nouveau_enum nv50_mp_exec_error_names[] = {
- { 3, "STACK_UNDERFLOW", NULL },
- { 4, "QUADON_ACTIVE", NULL },
- { 8, "TIMEOUT", NULL },
- { 0x10, "INVALID_OPCODE", NULL },
- { 0x40, "BREAKPOINT", NULL },
- {}
-};
-
-static struct nouveau_bitfield nv50_graph_trap_m2mf[] = {
- { 0x00000001, "NOTIFY" },
- { 0x00000002, "IN" },
- { 0x00000004, "OUT" },
- {}
-};
-
-static struct nouveau_bitfield nv50_graph_trap_vfetch[] = {
- { 0x00000001, "FAULT" },
- {}
-};
-
-static struct nouveau_bitfield nv50_graph_trap_strmout[] = {
- { 0x00000001, "FAULT" },
- {}
-};
-
-static struct nouveau_bitfield nv50_graph_trap_ccache[] = {
- { 0x00000001, "FAULT" },
- {}
-};
-
-/* There must be a *lot* of these. Will take some time to gather them up. */
-struct nouveau_enum nv50_data_error_names[] = {
- { 0x00000003, "INVALID_OPERATION", NULL },
- { 0x00000004, "INVALID_VALUE", NULL },
- { 0x00000005, "INVALID_ENUM", NULL },
- { 0x00000008, "INVALID_OBJECT", NULL },
- { 0x00000009, "READ_ONLY_OBJECT", NULL },
- { 0x0000000a, "SUPERVISOR_OBJECT", NULL },
- { 0x0000000b, "INVALID_ADDRESS_ALIGNMENT", NULL },
- { 0x0000000c, "INVALID_BITFIELD", NULL },
- { 0x0000000d, "BEGIN_END_ACTIVE", NULL },
- { 0x0000000e, "SEMANTIC_COLOR_BACK_OVER_LIMIT", NULL },
- { 0x0000000f, "VIEWPORT_ID_NEEDS_GP", NULL },
- { 0x00000010, "RT_DOUBLE_BIND", NULL },
- { 0x00000011, "RT_TYPES_MISMATCH", NULL },
- { 0x00000012, "RT_LINEAR_WITH_ZETA", NULL },
- { 0x00000015, "FP_TOO_FEW_REGS", NULL },
- { 0x00000016, "ZETA_FORMAT_CSAA_MISMATCH", NULL },
- { 0x00000017, "RT_LINEAR_WITH_MSAA", NULL },
- { 0x00000018, "FP_INTERPOLANT_START_OVER_LIMIT", NULL },
- { 0x00000019, "SEMANTIC_LAYER_OVER_LIMIT", NULL },
- { 0x0000001a, "RT_INVALID_ALIGNMENT", NULL },
- { 0x0000001b, "SAMPLER_OVER_LIMIT", NULL },
- { 0x0000001c, "TEXTURE_OVER_LIMIT", NULL },
- { 0x0000001e, "GP_TOO_MANY_OUTPUTS", NULL },
- { 0x0000001f, "RT_BPP128_WITH_MS8", NULL },
- { 0x00000021, "Z_OUT_OF_BOUNDS", NULL },
- { 0x00000023, "XY_OUT_OF_BOUNDS", NULL },
- { 0x00000024, "VP_ZERO_INPUTS", NULL },
- { 0x00000027, "CP_MORE_PARAMS_THAN_SHARED", NULL },
- { 0x00000028, "CP_NO_REG_SPACE_STRIPED", NULL },
- { 0x00000029, "CP_NO_REG_SPACE_PACKED", NULL },
- { 0x0000002a, "CP_NOT_ENOUGH_WARPS", NULL },
- { 0x0000002b, "CP_BLOCK_SIZE_MISMATCH", NULL },
- { 0x0000002c, "CP_NOT_ENOUGH_LOCAL_WARPS", NULL },
- { 0x0000002d, "CP_NOT_ENOUGH_STACK_WARPS", NULL },
- { 0x0000002e, "CP_NO_BLOCKDIM_LATCH", NULL },
- { 0x00000031, "ENG2D_FORMAT_MISMATCH", NULL },
- { 0x0000003f, "PRIMITIVE_ID_NEEDS_GP", NULL },
- { 0x00000044, "SEMANTIC_VIEWPORT_OVER_LIMIT", NULL },
- { 0x00000045, "SEMANTIC_COLOR_FRONT_OVER_LIMIT", NULL },
- { 0x00000046, "LAYER_ID_NEEDS_GP", NULL },
- { 0x00000047, "SEMANTIC_CLIP_OVER_LIMIT", NULL },
- { 0x00000048, "SEMANTIC_PTSZ_OVER_LIMIT", NULL },
- {}
-};
-
-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 */
- 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 & 0x04030000) {
- nv50_pgraph_mp_trap(dev, i, display);
- ustatus &= ~0x04030000;
- }
- 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);
- /* 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, 0x405000), nv_rd32(dev, 0x405004),
- nv_rd32(dev, 0x405008), nv_rd32(dev, 0x40500c),
- nv_rd32(dev, 0x405010), nv_rd32(dev, 0x405014),
- nv_rd32(dev, 0x40501c));
-
- }
-
- 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;
-}
-
-int
-nv50_graph_isr_chid(struct drm_device *dev, u64 inst)
-{
- struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO);
- 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 < pfifo->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;
- }
-
- 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);
- nv50_fb_vm_trap(dev, 1);
- }
- }
-
- if (nv_rd32(dev, 0x400824) & (1 << 31))
- nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
-}
-
-static void
-nv50_graph_destroy(struct drm_device *dev, int engine)
-{
- struct nv50_graph_engine *pgraph = nv_engine(dev, engine);
-
- NVOBJ_ENGINE_DEL(dev, GR);
-
- nouveau_irq_unregister(dev, 12);
- kfree(pgraph);
-}
-
-int
-nv50_graph_create(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nv50_graph_engine *pgraph;
- int ret;
-
- pgraph = kzalloc(sizeof(*pgraph),GFP_KERNEL);
- if (!pgraph)
- return -ENOMEM;
-
- ret = nv50_grctx_init(dev, pgraph->ctxprog, ARRAY_SIZE(pgraph->ctxprog),
- &pgraph->ctxprog_size,
- &pgraph->grctx_size);
- if (ret) {
- NV_ERROR(dev, "PGRAPH: ctxprog build failed\n");
- kfree(pgraph);
- return 0;
- }
-
- pgraph->base.destroy = nv50_graph_destroy;
- pgraph->base.init = nv50_graph_init;
- pgraph->base.fini = nv50_graph_fini;
- pgraph->base.context_new = nv50_graph_context_new;
- pgraph->base.context_del = nv50_graph_context_del;
- pgraph->base.object_new = nv50_graph_object_new;
- if (dev_priv->chipset == 0x50 || dev_priv->chipset == 0xac)
- pgraph->base.tlb_flush = nv50_graph_tlb_flush;
- else
- pgraph->base.tlb_flush = nv84_graph_tlb_flush;
-
- nouveau_irq_register(dev, 12, nv50_graph_isr);
-
- NVOBJ_ENGINE_ADD(dev, GR, &pgraph->base);
- NVOBJ_CLASS(dev, 0x0030, GR); /* null */
- NVOBJ_CLASS(dev, 0x5039, GR); /* m2mf */
- NVOBJ_CLASS(dev, 0x502d, GR); /* 2d */
-
- /* tesla */
- if (dev_priv->chipset == 0x50)
- NVOBJ_CLASS(dev, 0x5097, GR); /* tesla (nv50) */
- else
- if (dev_priv->chipset < 0xa0)
- NVOBJ_CLASS(dev, 0x8297, GR); /* tesla (nv8x/nv9x) */
- else {
- switch (dev_priv->chipset) {
- case 0xa0:
- case 0xaa:
- case 0xac:
- NVOBJ_CLASS(dev, 0x8397, GR);
- break;
- case 0xa3:
- case 0xa5:
- case 0xa8:
- NVOBJ_CLASS(dev, 0x8597, GR);
- break;
- case 0xaf:
- NVOBJ_CLASS(dev, 0x8697, GR);
- break;
- }
- }
-
- /* compute */
- NVOBJ_CLASS(dev, 0x50c0, GR);
- if (dev_priv->chipset > 0xa0 &&
- dev_priv->chipset != 0xaa &&
- dev_priv->chipset != 0xac)
- NVOBJ_CLASS(dev, 0x85c0, GR);
-
- return 0;
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.