src/gallium/drivers/radeonsi/si_gfx_cs.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   3  * Copyright 2018 Advanced Micro Devices, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * on the rights to use, copy, modify, merge, publish, distribute, sub
  10  * license, and/or sell copies of the Software, and to permit persons to whom
  11  * the Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  20  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  23  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #include "si_pipe.h"
  27
  28 #include "util/os_time.h"
  29 #include "util/u_upload_mgr.h"
  30
  31 /* initialize */
  32 void si_need_gfx_cs_space(struct si_context *ctx)
  33 {
  34         struct radeon_cmdbuf *cs = ctx->gfx_cs;
  35
  36         /* There is no need to flush the DMA IB here, because
  37          * si_need_dma_space always flushes the GFX IB if there is
  38          * a conflict, which means any unflushed DMA commands automatically
  39          * precede the GFX IB (= they had no dependency on the GFX IB when
  40          * they were submitted).
  41          */
  42
  43         /* There are two memory usage counters in the winsys for all buffers
  44          * that have been added (cs_add_buffer) and two counters in the pipe
  45          * driver for those that haven't been added yet.
  46          */
  47         if (unlikely(!radeon_cs_memory_below_limit(ctx->screen, ctx->gfx_cs,
  48                                                    ctx->vram, ctx->gtt))) {
  49                 ctx->gtt = 0;
  50                 ctx->vram = 0;
  51                 si_flush_gfx_cs(ctx, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL);
  52                 return;
  53         }
  54         ctx->gtt = 0;
  55         ctx->vram = 0;
  56
  57         unsigned need_dwords = si_get_minimum_num_gfx_cs_dwords(ctx);
  58         if (!ctx->ws->cs_check_space(cs, need_dwords))
  59                 si_flush_gfx_cs(ctx, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL);
  60 }
  61
  62 void si_unref_sdma_uploads(struct si_context *sctx)
  63 {
  64         for (unsigned i = 0; i < sctx->num_sdma_uploads; i++) {
  65                 si_resource_reference(&sctx->sdma_uploads[i].dst, NULL);
  66                 si_resource_reference(&sctx->sdma_uploads[i].src, NULL);
  67         }
  68         sctx->num_sdma_uploads = 0;
  69 }
  70
  71 void si_flush_gfx_cs(struct si_context *ctx, unsigned flags,
  72                      struct pipe_fence_handle **fence)
  73 {
  74         struct radeon_cmdbuf *cs = ctx->gfx_cs;
  75         struct radeon_winsys *ws = ctx->ws;
  76         unsigned wait_flags = 0;
  77
  78         if (ctx->gfx_flush_in_progress)
  79                 return;
  80
  81         if (!ctx->screen->info.kernel_flushes_tc_l2_after_ib) {
  82                 wait_flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
  83                               SI_CONTEXT_CS_PARTIAL_FLUSH |
  84                               SI_CONTEXT_INV_GLOBAL_L2;
  85         } else if (ctx->chip_class == SI) {
  86                 /* The kernel flushes L2 before shaders are finished. */
  87                 wait_flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
  88                               SI_CONTEXT_CS_PARTIAL_FLUSH;
  89         } else if (!(flags & RADEON_FLUSH_START_NEXT_GFX_IB_NOW)) {
  90                 wait_flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
  91                               SI_CONTEXT_CS_PARTIAL_FLUSH;
  92         }
  93
  94         /* Drop this flush if it's a no-op. */
  95         if (!radeon_emitted(cs, ctx->initial_gfx_cs_size) &&
  96             (!wait_flags || !ctx->gfx_last_ib_is_busy))
  97                 return;
  98
  99         if (si_check_device_reset(ctx))
 100                 return;
 101
 102         if (ctx->screen->debug_flags & DBG(CHECK_VM))
 103                 flags &= ~PIPE_FLUSH_ASYNC;
 104
 105         ctx->gfx_flush_in_progress = true;
 106
 107         /* If the state tracker is flushing the GFX IB, si_flush_from_st is
 108          * responsible for flushing the DMA IB and merging the fences from both.
 109          * If the driver flushes the GFX IB internally, and it should never ask
 110          * for a fence handle.
 111          */
 112         assert(!radeon_emitted(ctx->dma_cs, 0) || fence == NULL);
 113
 114         /* Update the sdma_uploads list by flushing the uploader. */
 115         u_upload_unmap(ctx->b.const_uploader);
 116
 117         /* Execute SDMA uploads. */
 118         ctx->sdma_uploads_in_progress = true;
 119         for (unsigned i = 0; i < ctx->num_sdma_uploads; i++) {
 120                 struct si_sdma_upload *up = &ctx->sdma_uploads[i];
 121                 struct pipe_box box;
 122
 123                 assert(up->src_offset % 4 == 0 && up->dst_offset % 4 == 0 &&
 124                        up->size % 4 == 0);
 125
 126                 u_box_1d(up->src_offset, up->size, &box);
 127                 ctx->dma_copy(&ctx->b, &up->dst->b.b, 0, up->dst_offset, 0, 0,
 128                               &up->src->b.b, 0, &box);
 129         }
 130         ctx->sdma_uploads_in_progress = false;
 131         si_unref_sdma_uploads(ctx);
 132
 133         /* Flush SDMA (preamble IB). */
 134         if (radeon_emitted(ctx->dma_cs, 0))
 135                 si_flush_dma_cs(ctx, flags, NULL);
 136
 137         if (ctx->has_graphics) {
 138                 if (!LIST_IS_EMPTY(&ctx->active_queries))
 139                         si_suspend_queries(ctx);
 140
 141                 ctx->streamout.suspended = false;
 142                 if (ctx->streamout.begin_emitted) {
 143                         si_emit_streamout_end(ctx);
 144                         ctx->streamout.suspended = true;
 145                 }
 146         }
 147
 148         /* Make sure CP DMA is idle at the end of IBs after L2 prefetches
 149          * because the kernel doesn't wait for it. */
 150         if (ctx->chip_class >= CIK)
 151                 si_cp_dma_wait_for_idle(ctx);
 152
 153         /* Wait for draw calls to finish if needed. */
 154         if (wait_flags) {
 155                 ctx->flags |= wait_flags;
 156                 si_emit_cache_flush(ctx);
 157         }
 158         ctx->gfx_last_ib_is_busy = wait_flags == 0;
 159
 160         if (ctx->current_saved_cs) {
 161                 si_trace_emit(ctx);
 162
 163                 /* Save the IB for debug contexts. */
 164                 si_save_cs(ws, cs, &ctx->current_saved_cs->gfx, true);
 165                 ctx->current_saved_cs->flushed = true;
 166                 ctx->current_saved_cs->time_flush = os_time_get_nano();
 167
 168                 si_log_hw_flush(ctx);
 169         }
 170
 171         /* Flush the CS. */
 172         ws->cs_flush(cs, flags, &ctx->last_gfx_fence);
 173         if (fence)
 174                 ws->fence_reference(fence, ctx->last_gfx_fence);
 175
 176         ctx->num_gfx_cs_flushes++;
 177
 178         /* Check VM faults if needed. */
 179         if (ctx->screen->debug_flags & DBG(CHECK_VM)) {
 180                 /* Use conservative timeout 800ms, after which we won't wait any
 181                  * longer and assume the GPU is hung.
 182                  */
 183                 ctx->ws->fence_wait(ctx->ws, ctx->last_gfx_fence, 800*1000*1000);
 184
 185                 si_check_vm_faults(ctx, &ctx->current_saved_cs->gfx, RING_GFX);
 186         }
 187
 188         if (ctx->current_saved_cs)
 189                 si_saved_cs_reference(&ctx->current_saved_cs, NULL);
 190
 191         si_begin_new_gfx_cs(ctx);
 192         ctx->gfx_flush_in_progress = false;
 193 }
 194
 195 static void si_begin_gfx_cs_debug(struct si_context *ctx)
 196 {
 197         static const uint32_t zeros[1];
 198         assert(!ctx->current_saved_cs);
 199
 200         ctx->current_saved_cs = calloc(1, sizeof(*ctx->current_saved_cs));
 201         if (!ctx->current_saved_cs)
 202                 return;
 203
 204         pipe_reference_init(&ctx->current_saved_cs->reference, 1);
 205
 206         ctx->current_saved_cs->trace_buf = si_resource(
 207                 pipe_buffer_create(ctx->b.screen, 0, PIPE_USAGE_STAGING, 8));
 208         if (!ctx->current_saved_cs->trace_buf) {
 209                 free(ctx->current_saved_cs);
 210                 ctx->current_saved_cs = NULL;
 211                 return;
 212         }
 213
 214         pipe_buffer_write_nooverlap(&ctx->b, &ctx->current_saved_cs->trace_buf->b.b,
 215                                     0, sizeof(zeros), zeros);
 216         ctx->current_saved_cs->trace_id = 0;
 217
 218         si_trace_emit(ctx);
 219
 220         radeon_add_to_buffer_list(ctx, ctx->gfx_cs, ctx->current_saved_cs->trace_buf,
 221                               RADEON_USAGE_READWRITE, RADEON_PRIO_TRACE);
 222 }
 223
 224 void si_begin_new_gfx_cs(struct si_context *ctx)
 225 {
 226         if (ctx->is_debug)
 227                 si_begin_gfx_cs_debug(ctx);
 228
 229         /* Always invalidate caches at the beginning of IBs, because external
 230          * users (e.g. BO evictions and SDMA/UVD/VCE IBs) can modify our
 231          * buffers.
 232          *
 233          * Note that the cache flush done by the kernel at the end of GFX IBs
 234          * isn't useful here, because that flush can finish after the following
 235          * IB starts drawing.
 236          *
 237          * TODO: Do we also need to invalidate CB & DB caches?
 238          */
 239         ctx->flags |= SI_CONTEXT_INV_ICACHE |
 240                       SI_CONTEXT_INV_SMEM_L1 |
 241                       SI_CONTEXT_INV_VMEM_L1 |
 242                       SI_CONTEXT_INV_GLOBAL_L2 |
 243                       SI_CONTEXT_START_PIPELINE_STATS;
 244
 245         ctx->cs_shader_state.initialized = false;
 246         si_all_descriptors_begin_new_cs(ctx);
 247         si_all_resident_buffers_begin_new_cs(ctx);
 248
 249         if (!ctx->has_graphics) {
 250                 ctx->initial_gfx_cs_size = ctx->gfx_cs->current.cdw;
 251                 return;
 252         }
 253
 254         /* set all valid group as dirty so they get reemited on
 255          * next draw command
 256          */
 257         si_pm4_reset_emitted(ctx);
 258
 259         /* The CS initialization should be emitted before everything else. */
 260         si_pm4_emit(ctx, ctx->init_config);
 261         if (ctx->init_config_gs_rings)
 262                 si_pm4_emit(ctx, ctx->init_config_gs_rings);
 263
 264         if (ctx->queued.named.ls)
 265                 ctx->prefetch_L2_mask |= SI_PREFETCH_LS;
 266         if (ctx->queued.named.hs)
 267                 ctx->prefetch_L2_mask |= SI_PREFETCH_HS;
 268         if (ctx->queued.named.es)
 269                 ctx->prefetch_L2_mask |= SI_PREFETCH_ES;
 270         if (ctx->queued.named.gs)
 271                 ctx->prefetch_L2_mask |= SI_PREFETCH_GS;
 272         if (ctx->queued.named.vs)
 273                 ctx->prefetch_L2_mask |= SI_PREFETCH_VS;
 274         if (ctx->queued.named.ps)
 275                 ctx->prefetch_L2_mask |= SI_PREFETCH_PS;
 276         if (ctx->vb_descriptors_buffer && ctx->vertex_elements)
 277                 ctx->prefetch_L2_mask |= SI_PREFETCH_VBO_DESCRIPTORS;
 278
 279         /* CLEAR_STATE disables all colorbuffers, so only enable bound ones. */
 280         bool has_clear_state = ctx->screen->has_clear_state;
 281         if (has_clear_state) {
 282                 ctx->framebuffer.dirty_cbufs =
 283                          u_bit_consecutive(0, ctx->framebuffer.state.nr_cbufs);
 284                 /* CLEAR_STATE disables the zbuffer, so only enable it if it's bound. */
 285                 ctx->framebuffer.dirty_zsbuf = ctx->framebuffer.state.zsbuf != NULL;
 286         } else {
 287                 ctx->framebuffer.dirty_cbufs = u_bit_consecutive(0, 8);
 288                 ctx->framebuffer.dirty_zsbuf = true;
 289         }
 290         /* This should always be marked as dirty to set the framebuffer scissor
 291          * at least. */
 292         si_mark_atom_dirty(ctx, &ctx->atoms.s.framebuffer);
 293
 294         si_mark_atom_dirty(ctx, &ctx->atoms.s.clip_regs);
 295         /* CLEAR_STATE sets zeros. */
 296         if (!has_clear_state || ctx->clip_state.any_nonzeros)
 297                 si_mark_atom_dirty(ctx, &ctx->atoms.s.clip_state);
 298         ctx->sample_locs_num_samples = 0;
 299         si_mark_atom_dirty(ctx, &ctx->atoms.s.msaa_sample_locs);
 300         si_mark_atom_dirty(ctx, &ctx->atoms.s.msaa_config);
 301         /* CLEAR_STATE sets 0xffff. */
 302         if (!has_clear_state || ctx->sample_mask != 0xffff)
 303                 si_mark_atom_dirty(ctx, &ctx->atoms.s.sample_mask);
 304         si_mark_atom_dirty(ctx, &ctx->atoms.s.cb_render_state);
 305         /* CLEAR_STATE sets zeros. */
 306         if (!has_clear_state || ctx->blend_color.any_nonzeros)
 307                 si_mark_atom_dirty(ctx, &ctx->atoms.s.blend_color);
 308         si_mark_atom_dirty(ctx, &ctx->atoms.s.db_render_state);
 309         if (ctx->chip_class >= GFX9)
 310                 si_mark_atom_dirty(ctx, &ctx->atoms.s.dpbb_state);
 311         si_mark_atom_dirty(ctx, &ctx->atoms.s.stencil_ref);
 312         si_mark_atom_dirty(ctx, &ctx->atoms.s.spi_map);
 313         si_mark_atom_dirty(ctx, &ctx->atoms.s.streamout_enable);
 314         si_mark_atom_dirty(ctx, &ctx->atoms.s.render_cond);
 315         /* CLEAR_STATE disables all window rectangles. */
 316         if (!has_clear_state || ctx->num_window_rectangles > 0)
 317                 si_mark_atom_dirty(ctx, &ctx->atoms.s.window_rectangles);
 318
 319         ctx->scissors.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
 320         ctx->viewports.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
 321         ctx->viewports.depth_range_dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
 322         si_mark_atom_dirty(ctx, &ctx->atoms.s.guardband);
 323         si_mark_atom_dirty(ctx, &ctx->atoms.s.scissors);
 324         si_mark_atom_dirty(ctx, &ctx->atoms.s.viewports);
 325
 326         si_mark_atom_dirty(ctx, &ctx->atoms.s.scratch_state);
 327         if (ctx->scratch_buffer) {
 328                 si_context_add_resource_size(ctx, &ctx->scratch_buffer->b.b);
 329         }
 330
 331         if (ctx->streamout.suspended) {
 332                 ctx->streamout.append_bitmask = ctx->streamout.enabled_mask;
 333                 si_streamout_buffers_dirty(ctx);
 334         }
 335
 336         if (!LIST_IS_EMPTY(&ctx->active_queries))
 337                 si_resume_queries(ctx);
 338
 339         assert(!ctx->gfx_cs->prev_dw);
 340         ctx->initial_gfx_cs_size = ctx->gfx_cs->current.cdw;
 341
 342         /* Invalidate various draw states so that they are emitted before
 343          * the first draw call. */
 344         si_invalidate_draw_sh_constants(ctx);
 345         ctx->last_index_size = -1;
 346         ctx->last_primitive_restart_en = -1;
 347         ctx->last_restart_index = SI_RESTART_INDEX_UNKNOWN;
 348         ctx->last_prim = -1;
 349         ctx->last_multi_vgt_param = -1;
 350         ctx->last_rast_prim = -1;
 351         ctx->last_sc_line_stipple = ~0;
 352         ctx->last_vs_state = ~0;
 353         ctx->last_ls = NULL;
 354         ctx->last_tcs = NULL;
 355         ctx->last_tes_sh_base = -1;
 356         ctx->last_num_tcs_input_cp = -1;
 357         ctx->last_ls_hs_config = -1; /* impossible value */
 358
 359         if (has_clear_state) {
 360                 ctx->tracked_regs.reg_value[SI_TRACKED_DB_RENDER_CONTROL] = 0x00000000;
 361                 ctx->tracked_regs.reg_value[SI_TRACKED_DB_COUNT_CONTROL] = 0x00000000;
 362                 ctx->tracked_regs.reg_value[SI_TRACKED_DB_RENDER_OVERRIDE2] = 0x00000000;
 363                 ctx->tracked_regs.reg_value[SI_TRACKED_DB_SHADER_CONTROL] = 0x00000000;
 364                 ctx->tracked_regs.reg_value[SI_TRACKED_CB_TARGET_MASK] = 0xffffffff;
 365                 ctx->tracked_regs.reg_value[SI_TRACKED_CB_DCC_CONTROL] = 0x00000000;
 366                 ctx->tracked_regs.reg_value[SI_TRACKED_SX_PS_DOWNCONVERT] = 0x00000000;
 367                 ctx->tracked_regs.reg_value[SI_TRACKED_SX_BLEND_OPT_EPSILON] = 0x00000000;
 368                 ctx->tracked_regs.reg_value[SI_TRACKED_SX_BLEND_OPT_CONTROL] = 0x00000000;
 369                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SC_LINE_CNTL] = 0x00001000;
 370                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SC_AA_CONFIG] = 0x00000000;
 371                 ctx->tracked_regs.reg_value[SI_TRACKED_DB_EQAA] = 0x00000000;
 372                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SC_MODE_CNTL_1] = 0x00000000;
 373                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SU_PRIM_FILTER_CNTL] = 0;
 374                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SU_SMALL_PRIM_FILTER_CNTL] = 0x00000000;
 375                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_VS_OUT_CNTL] = 0x00000000;
 376                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_CLIP_CNTL] = 0x00090000;
 377                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SC_BINNER_CNTL_0] = 0x00000003;
 378                 ctx->tracked_regs.reg_value[SI_TRACKED_DB_DFSM_CONTROL] = 0x00000000;
 379                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_GB_VERT_CLIP_ADJ]  = 0x3f800000;
 380                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_GB_VERT_DISC_ADJ]  = 0x3f800000;
 381                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_GB_HORZ_CLIP_ADJ]  = 0x3f800000;
 382                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_GB_HORZ_DISC_ADJ]  = 0x3f800000;
 383                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SU_HARDWARE_SCREEN_OFFSET] = 0;
 384                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SU_VTX_CNTL] = 0x00000005;
 385                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SC_CLIPRECT_RULE]     = 0xffff;
 386                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_ESGS_RING_ITEMSIZE]  = 0x00000000;
 387                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GSVS_RING_OFFSET_1]  = 0x00000000;
 388                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GSVS_RING_OFFSET_2]  = 0x00000000;
 389                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GSVS_RING_OFFSET_3]  = 0x00000000;
 390                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_OUT_PRIM_TYPE]    = 0x00000000;
 391                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GSVS_RING_ITEMSIZE]  = 0x00000000;
 392                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_MAX_VERT_OUT]  = 0x00000000;
 393                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_VERT_ITEMSIZE]  = 0x00000000;
 394                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_VERT_ITEMSIZE_1]  = 0x00000000;
 395                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_VERT_ITEMSIZE_2]  = 0x00000000;
 396                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_VERT_ITEMSIZE_3]  = 0x00000000;
 397                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_INSTANCE_CNT]  = 0x00000000;
 398                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_ONCHIP_CNTL]  = 0x00000000;
 399                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_MAX_PRIMS_PER_SUBGROUP]  = 0x00000000;
 400                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_MODE]  = 0x00000000;
 401                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_PRIMITIVEID_EN]  = 0x00000000;
 402                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_REUSE_OFF]  = 0x00000000;
 403                 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_VS_OUT_CONFIG]  = 0x00000000;
 404                 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_SHADER_POS_FORMAT]  = 0x00000000;
 405                 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_VTE_CNTL]  = 0x00000000;
 406                 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_PS_INPUT_ENA]  = 0x00000000;
 407                 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_PS_INPUT_ADDR]  = 0x00000000;
 408                 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_BARYC_CNTL]  = 0x00000000;
 409                 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_PS_IN_CONTROL]  = 0x00000002;
 410                 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_SHADER_Z_FORMAT]  = 0x00000000;
 411                 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_SHADER_COL_FORMAT]  = 0x00000000;
 412                 ctx->tracked_regs.reg_value[SI_TRACKED_CB_SHADER_MASK]  = 0xffffffff;
 413                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_TF_PARAM]  = 0x00000000;
 414                 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_VERTEX_REUSE_BLOCK_CNTL]  = 0x0000001e; /* From VI */
 415
 416                 /* Set all saved registers state to saved. */
 417                 ctx->tracked_regs.reg_saved = 0xffffffffffffffff;
 418         } else {
 419                 /* Set all saved registers state to unknown. */
 420                 ctx->tracked_regs.reg_saved = 0;
 421         }
 422
 423         /* 0xffffffff is a impossible value to register SPI_PS_INPUT_CNTL_n */
 424         memset(ctx->tracked_regs.spi_ps_input_cntl, 0xff, sizeof(uint32_t) * 32);
 425 }