| 0,0 → 1,271 |
|---|
| /* |
| * Copyright 2013 Nouveau Project |
| * |
| * 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 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 AUTHORS OR COPYRIGHT HOLDERS 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. |
| * |
| * Authors: Christoph Bumiller, Samuel Pitoiset |
| */ |
| |
| #include "nvc0/nvc0_context.h" |
| #include "nvc0/nvc0_compute.h" |
| |
| int |
| nvc0_screen_compute_setup(struct nvc0_screen *screen, |
| struct nouveau_pushbuf *push) |
| { |
| struct nouveau_object *chan = screen->base.channel; |
| struct nouveau_device *dev = screen->base.device; |
| uint32_t obj_class; |
| int ret; |
| int i; |
| |
| switch (dev->chipset & ~0xf) { |
| case 0xc0: |
| if (dev->chipset == 0xc8) |
| obj_class = NVC8_COMPUTE_CLASS; |
| else |
| obj_class = NVC0_COMPUTE_CLASS; |
| break; |
| case 0xd0: |
| obj_class = NVC0_COMPUTE_CLASS; |
| break; |
| default: |
| NOUVEAU_ERR("unsupported chipset: NV%02x\n", dev->chipset); |
| return -1; |
| } |
| |
| ret = nouveau_object_new(chan, 0xbeef90c0, obj_class, NULL, 0, |
| &screen->compute); |
| if (ret) { |
| NOUVEAU_ERR("Failed to allocate compute object: %d\n", ret); |
| return ret; |
| } |
| |
| ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 1 << 12, NULL, |
| &screen->parm); |
| if (ret) |
| return ret; |
| |
| BEGIN_NVC0(push, SUBC_COMPUTE(NV01_SUBCHAN_OBJECT), 1); |
| PUSH_DATA (push, screen->compute->oclass); |
| |
| /* hardware limit */ |
| BEGIN_NVC0(push, NVC0_COMPUTE(MP_LIMIT), 1); |
| PUSH_DATA (push, screen->mp_count); |
| BEGIN_NVC0(push, NVC0_COMPUTE(CALL_LIMIT_LOG), 1); |
| PUSH_DATA (push, 0xf); |
| |
| BEGIN_NVC0(push, SUBC_COMPUTE(0x02a0), 1); |
| PUSH_DATA (push, 0x8000); |
| |
| /* global memory setup */ |
| BEGIN_NVC0(push, SUBC_COMPUTE(0x02c4), 1); |
| PUSH_DATA (push, 0); |
| BEGIN_NIC0(push, NVC0_COMPUTE(GLOBAL_BASE), 0x100); |
| for (i = 0; i <= 0xff; i++) |
| PUSH_DATA (push, (0xc << 28) | (i << 16) | i); |
| BEGIN_NVC0(push, SUBC_COMPUTE(0x02c4), 1); |
| PUSH_DATA (push, 1); |
| |
| /* local memory and cstack setup */ |
| BEGIN_NVC0(push, NVC0_COMPUTE(TEMP_ADDRESS_HIGH), 2); |
| PUSH_DATAh(push, screen->tls->offset); |
| PUSH_DATA (push, screen->tls->offset); |
| BEGIN_NVC0(push, NVC0_COMPUTE(TEMP_SIZE_HIGH), 2); |
| PUSH_DATAh(push, screen->tls->size); |
| PUSH_DATA (push, screen->tls->size); |
| BEGIN_NVC0(push, NVC0_COMPUTE(WARP_TEMP_ALLOC), 1); |
| PUSH_DATA (push, 0); |
| BEGIN_NVC0(push, NVC0_COMPUTE(LOCAL_BASE), 1); |
| PUSH_DATA (push, 1 << 24); |
| |
| /* shared memory setup */ |
| BEGIN_NVC0(push, NVC0_COMPUTE(CACHE_SPLIT), 1); |
| PUSH_DATA (push, NVC0_COMPUTE_CACHE_SPLIT_48K_SHARED_16K_L1); |
| BEGIN_NVC0(push, NVC0_COMPUTE(SHARED_BASE), 1); |
| PUSH_DATA (push, 2 << 24); |
| BEGIN_NVC0(push, NVC0_COMPUTE(SHARED_SIZE), 1); |
| PUSH_DATA (push, 0); |
| |
| /* code segment setup */ |
| BEGIN_NVC0(push, NVC0_COMPUTE(CODE_ADDRESS_HIGH), 2); |
| PUSH_DATAh(push, screen->text->offset); |
| PUSH_DATA (push, screen->text->offset); |
| |
| /* bind parameters buffer */ |
| BEGIN_NVC0(push, NVC0_COMPUTE(CB_SIZE), 3); |
| PUSH_DATA (push, screen->parm->size); |
| PUSH_DATAh(push, screen->parm->offset); |
| PUSH_DATA (push, screen->parm->offset); |
| BEGIN_NVC0(push, NVC0_COMPUTE(CB_BIND), 1); |
| PUSH_DATA (push, (0 << 8) | 1); |
| |
| /* TODO: textures & samplers */ |
| |
| return 0; |
| } |
| |
| boolean |
| nvc0_compute_validate_program(struct nvc0_context *nvc0) |
| { |
| struct nvc0_program *prog = nvc0->compprog; |
| |
| if (prog->mem) |
| return TRUE; |
| |
| if (!prog->translated) { |
| prog->translated = nvc0_program_translate( |
| prog, nvc0->screen->base.device->chipset); |
| if (!prog->translated) |
| return FALSE; |
| } |
| if (unlikely(!prog->code_size)) |
| return FALSE; |
| |
| if (likely(prog->code_size)) { |
| if (nvc0_program_upload_code(nvc0, prog)) { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| BEGIN_NVC0(push, NVC0_COMPUTE(FLUSH), 1); |
| PUSH_DATA (push, NVC0_COMPUTE_FLUSH_CODE); |
| return TRUE; |
| } |
| } |
| return FALSE; |
| } |
| |
| static boolean |
| nvc0_compute_state_validate(struct nvc0_context *nvc0) |
| { |
| if (!nvc0_compute_validate_program(nvc0)) |
| return FALSE; |
| |
| /* TODO: textures, samplers, surfaces, global memory buffers */ |
| |
| nvc0_bufctx_fence(nvc0, nvc0->bufctx_cp, FALSE); |
| |
| nouveau_pushbuf_bufctx(nvc0->base.pushbuf, nvc0->bufctx_cp); |
| if (unlikely(nouveau_pushbuf_validate(nvc0->base.pushbuf))) |
| return FALSE; |
| if (unlikely(nvc0->state.flushed)) |
| nvc0_bufctx_fence(nvc0, nvc0->bufctx_cp, TRUE); |
| |
| return TRUE; |
| |
| } |
| |
| static void |
| nvc0_compute_upload_input(struct nvc0_context *nvc0, const void *input) |
| { |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| struct nvc0_screen *screen = nvc0->screen; |
| struct nvc0_program *cp = nvc0->compprog; |
| |
| if (cp->parm_size) { |
| BEGIN_NVC0(push, NVC0_COMPUTE(CB_SIZE), 3); |
| PUSH_DATA (push, align(cp->parm_size, 0x100)); |
| PUSH_DATAh(push, screen->parm->offset); |
| PUSH_DATA (push, screen->parm->offset); |
| BEGIN_NVC0(push, NVC0_COMPUTE(CB_BIND), 1); |
| PUSH_DATA (push, (0 << 8) | 1); |
| /* NOTE: size is limited to 4 KiB, which is < NV04_PFIFO_MAX_PACKET_LEN */ |
| BEGIN_1IC0(push, NVC0_COMPUTE(CB_POS), 1 + cp->parm_size / 4); |
| PUSH_DATA (push, 0); |
| PUSH_DATAp(push, input, cp->parm_size / 4); |
| |
| BEGIN_NVC0(push, NVC0_COMPUTE(FLUSH), 1); |
| PUSH_DATA (push, NVC0_COMPUTE_FLUSH_CB); |
| } |
| } |
| |
| void |
| nvc0_launch_grid(struct pipe_context *pipe, |
| const uint *block_layout, const uint *grid_layout, |
| uint32_t label, |
| const void *input) |
| { |
| struct nvc0_context *nvc0 = nvc0_context(pipe); |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| struct nvc0_program *cp = nvc0->compprog; |
| unsigned s, i; |
| int ret; |
| |
| ret = !nvc0_compute_state_validate(nvc0); |
| if (ret) |
| goto out; |
| |
| nvc0_compute_upload_input(nvc0, input); |
| |
| BEGIN_NVC0(push, NVC0_COMPUTE(CP_START_ID), 1); |
| PUSH_DATA (push, nvc0_program_symbol_offset(cp, label)); |
| |
| BEGIN_NVC0(push, NVC0_COMPUTE(LOCAL_POS_ALLOC), 3); |
| PUSH_DATA (push, align(cp->cp.lmem_size, 0x10)); |
| PUSH_DATA (push, 0); |
| PUSH_DATA (push, 0x800); /* WARP_CSTACK_SIZE */ |
| |
| BEGIN_NVC0(push, NVC0_COMPUTE(SHARED_SIZE), 3); |
| PUSH_DATA (push, align(cp->cp.smem_size, 0x100)); |
| PUSH_DATA (push, block_layout[0] * block_layout[1] * block_layout[2]); |
| PUSH_DATA (push, cp->num_barriers); |
| BEGIN_NVC0(push, NVC0_COMPUTE(CP_GPR_ALLOC), 1); |
| PUSH_DATA (push, cp->num_gprs); |
| |
| /* grid/block setup */ |
| BEGIN_NVC0(push, NVC0_COMPUTE(GRIDDIM_YX), 2); |
| PUSH_DATA (push, (grid_layout[1] << 16) | grid_layout[0]); |
| PUSH_DATA (push, grid_layout[2]); |
| BEGIN_NVC0(push, NVC0_COMPUTE(BLOCKDIM_YX), 2); |
| PUSH_DATA (push, (block_layout[1] << 16) | block_layout[0]); |
| PUSH_DATA (push, block_layout[2]); |
| |
| /* launch preliminary setup */ |
| BEGIN_NVC0(push, NVC0_COMPUTE(GRIDID), 1); |
| PUSH_DATA (push, 0x1); |
| BEGIN_NVC0(push, SUBC_COMPUTE(0x036c), 1); |
| PUSH_DATA (push, 0); |
| BEGIN_NVC0(push, NVC0_COMPUTE(FLUSH), 1); |
| PUSH_DATA (push, NVC0_COMPUTE_FLUSH_GLOBAL | NVC0_COMPUTE_FLUSH_UNK8); |
| |
| /* kernel launching */ |
| BEGIN_NVC0(push, NVC0_COMPUTE(COMPUTE_BEGIN), 1); |
| PUSH_DATA (push, 0); |
| BEGIN_NVC0(push, SUBC_COMPUTE(0x0a08), 1); |
| PUSH_DATA (push, 0); |
| BEGIN_NVC0(push, NVC0_COMPUTE(LAUNCH), 1); |
| PUSH_DATA (push, 0x1000); |
| BEGIN_NVC0(push, NVC0_COMPUTE(COMPUTE_END), 1); |
| PUSH_DATA (push, 0); |
| BEGIN_NVC0(push, SUBC_COMPUTE(0x0360), 1); |
| PUSH_DATA (push, 0x1); |
| |
| /* rebind all the 3D constant buffers |
| * (looks like binding a CB on COMPUTE clobbers 3D state) */ |
| nvc0->dirty |= NVC0_NEW_CONSTBUF; |
| for (s = 0; s < 6; s++) { |
| for (i = 0; i < NVC0_MAX_PIPE_CONSTBUFS; i++) |
| if (nvc0->constbuf[s][i].u.buf) |
| nvc0->constbuf_dirty[s] |= 1 << i; |
| } |
| memset(nvc0->state.uniform_buffer_bound, 0, |
| sizeof(nvc0->state.uniform_buffer_bound)); |
| |
| out: |
| if (ret) |
| NOUVEAU_ERR("Failed to launch grid !\n"); |
| } |