v3d: Add support for handling OOM signals from the simulator.
[mesa.git] / 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 /* If the IB is sufficiently large, don't count the space needed
58 * and just flush if there is not enough space left.
59 *
60 * Also reserve space for stopping queries at the end of IB, because
61 * the number of active queries is mostly unlimited.
62 */
63 unsigned need_dwords = 2048 + ctx->num_cs_dw_queries_suspend;
64 if (!ctx->ws->cs_check_space(cs, need_dwords))
65 si_flush_gfx_cs(ctx, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL);
66 }
67
68 void si_unref_sdma_uploads(struct si_context *sctx)
69 {
70 for (unsigned i = 0; i < sctx->num_sdma_uploads; i++) {
71 si_resource_reference(&sctx->sdma_uploads[i].dst, NULL);
72 si_resource_reference(&sctx->sdma_uploads[i].src, NULL);
73 }
74 sctx->num_sdma_uploads = 0;
75 }
76
77 void si_flush_gfx_cs(struct si_context *ctx, unsigned flags,
78 struct pipe_fence_handle **fence)
79 {
80 struct radeon_cmdbuf *cs = ctx->gfx_cs;
81 struct radeon_winsys *ws = ctx->ws;
82 unsigned wait_flags = 0;
83
84 if (ctx->gfx_flush_in_progress)
85 return;
86
87 if (!ctx->screen->info.kernel_flushes_tc_l2_after_ib) {
88 wait_flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
89 SI_CONTEXT_CS_PARTIAL_FLUSH |
90 SI_CONTEXT_INV_GLOBAL_L2;
91 } else if (ctx->chip_class == SI) {
92 /* The kernel flushes L2 before shaders are finished. */
93 wait_flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
94 SI_CONTEXT_CS_PARTIAL_FLUSH;
95 } else if (!(flags & RADEON_FLUSH_START_NEXT_GFX_IB_NOW)) {
96 wait_flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
97 SI_CONTEXT_CS_PARTIAL_FLUSH;
98 }
99
100 /* Drop this flush if it's a no-op. */
101 if (!radeon_emitted(cs, ctx->initial_gfx_cs_size) &&
102 (!wait_flags || !ctx->gfx_last_ib_is_busy))
103 return;
104
105 if (si_check_device_reset(ctx))
106 return;
107
108 if (ctx->screen->debug_flags & DBG(CHECK_VM))
109 flags &= ~PIPE_FLUSH_ASYNC;
110
111 ctx->gfx_flush_in_progress = true;
112
113 /* If the state tracker is flushing the GFX IB, si_flush_from_st is
114 * responsible for flushing the DMA IB and merging the fences from both.
115 * If the driver flushes the GFX IB internally, and it should never ask
116 * for a fence handle.
117 */
118 assert(!radeon_emitted(ctx->dma_cs, 0) || fence == NULL);
119
120 /* Update the sdma_uploads list by flushing the uploader. */
121 u_upload_unmap(ctx->b.const_uploader);
122
123 /* Execute SDMA uploads. */
124 ctx->sdma_uploads_in_progress = true;
125 for (unsigned i = 0; i < ctx->num_sdma_uploads; i++) {
126 struct si_sdma_upload *up = &ctx->sdma_uploads[i];
127 struct pipe_box box;
128
129 assert(up->src_offset % 4 == 0 && up->dst_offset % 4 == 0 &&
130 up->size % 4 == 0);
131
132 u_box_1d(up->src_offset, up->size, &box);
133 ctx->dma_copy(&ctx->b, &up->dst->b.b, 0, up->dst_offset, 0, 0,
134 &up->src->b.b, 0, &box);
135 }
136 ctx->sdma_uploads_in_progress = false;
137 si_unref_sdma_uploads(ctx);
138
139 /* Flush SDMA (preamble IB). */
140 if (radeon_emitted(ctx->dma_cs, 0))
141 si_flush_dma_cs(ctx, flags, NULL);
142
143 if (ctx->has_graphics) {
144 if (!LIST_IS_EMPTY(&ctx->active_queries))
145 si_suspend_queries(ctx);
146
147 ctx->streamout.suspended = false;
148 if (ctx->streamout.begin_emitted) {
149 si_emit_streamout_end(ctx);
150 ctx->streamout.suspended = true;
151 }
152 }
153
154 /* Make sure CP DMA is idle at the end of IBs after L2 prefetches
155 * because the kernel doesn't wait for it. */
156 if (ctx->chip_class >= CIK)
157 si_cp_dma_wait_for_idle(ctx);
158
159 /* Wait for draw calls to finish if needed. */
160 if (wait_flags) {
161 ctx->flags |= wait_flags;
162 si_emit_cache_flush(ctx);
163 }
164 ctx->gfx_last_ib_is_busy = wait_flags == 0;
165
166 if (ctx->current_saved_cs) {
167 si_trace_emit(ctx);
168
169 /* Save the IB for debug contexts. */
170 si_save_cs(ws, cs, &ctx->current_saved_cs->gfx, true);
171 ctx->current_saved_cs->flushed = true;
172 ctx->current_saved_cs->time_flush = os_time_get_nano();
173
174 si_log_hw_flush(ctx);
175 }
176
177 /* Flush the CS. */
178 ws->cs_flush(cs, flags, &ctx->last_gfx_fence);
179 if (fence)
180 ws->fence_reference(fence, ctx->last_gfx_fence);
181
182 ctx->num_gfx_cs_flushes++;
183
184 /* Check VM faults if needed. */
185 if (ctx->screen->debug_flags & DBG(CHECK_VM)) {
186 /* Use conservative timeout 800ms, after which we won't wait any
187 * longer and assume the GPU is hung.
188 */
189 ctx->ws->fence_wait(ctx->ws, ctx->last_gfx_fence, 800*1000*1000);
190
191 si_check_vm_faults(ctx, &ctx->current_saved_cs->gfx, RING_GFX);
192 }
193
194 if (ctx->current_saved_cs)
195 si_saved_cs_reference(&ctx->current_saved_cs, NULL);
196
197 si_begin_new_gfx_cs(ctx);
198 ctx->gfx_flush_in_progress = false;
199 }
200
201 static void si_begin_gfx_cs_debug(struct si_context *ctx)
202 {
203 static const uint32_t zeros[1];
204 assert(!ctx->current_saved_cs);
205
206 ctx->current_saved_cs = calloc(1, sizeof(*ctx->current_saved_cs));
207 if (!ctx->current_saved_cs)
208 return;
209
210 pipe_reference_init(&ctx->current_saved_cs->reference, 1);
211
212 ctx->current_saved_cs->trace_buf = si_resource(
213 pipe_buffer_create(ctx->b.screen, 0, PIPE_USAGE_STAGING, 8));
214 if (!ctx->current_saved_cs->trace_buf) {
215 free(ctx->current_saved_cs);
216 ctx->current_saved_cs = NULL;
217 return;
218 }
219
220 pipe_buffer_write_nooverlap(&ctx->b, &ctx->current_saved_cs->trace_buf->b.b,
221 0, sizeof(zeros), zeros);
222 ctx->current_saved_cs->trace_id = 0;
223
224 si_trace_emit(ctx);
225
226 radeon_add_to_buffer_list(ctx, ctx->gfx_cs, ctx->current_saved_cs->trace_buf,
227 RADEON_USAGE_READWRITE, RADEON_PRIO_TRACE);
228 }
229
230 void si_begin_new_gfx_cs(struct si_context *ctx)
231 {
232 if (ctx->is_debug)
233 si_begin_gfx_cs_debug(ctx);
234
235 /* Always invalidate caches at the beginning of IBs, because external
236 * users (e.g. BO evictions and SDMA/UVD/VCE IBs) can modify our
237 * buffers.
238 *
239 * Note that the cache flush done by the kernel at the end of GFX IBs
240 * isn't useful here, because that flush can finish after the following
241 * IB starts drawing.
242 *
243 * TODO: Do we also need to invalidate CB & DB caches?
244 */
245 ctx->flags |= SI_CONTEXT_INV_ICACHE |
246 SI_CONTEXT_INV_SMEM_L1 |
247 SI_CONTEXT_INV_VMEM_L1 |
248 SI_CONTEXT_INV_GLOBAL_L2 |
249 SI_CONTEXT_START_PIPELINE_STATS;
250
251 ctx->cs_shader_state.initialized = false;
252 si_all_descriptors_begin_new_cs(ctx);
253 si_all_resident_buffers_begin_new_cs(ctx);
254
255 if (!ctx->has_graphics) {
256 ctx->initial_gfx_cs_size = ctx->gfx_cs->current.cdw;
257 return;
258 }
259
260 /* set all valid group as dirty so they get reemited on
261 * next draw command
262 */
263 si_pm4_reset_emitted(ctx);
264
265 /* The CS initialization should be emitted before everything else. */
266 si_pm4_emit(ctx, ctx->init_config);
267 if (ctx->init_config_gs_rings)
268 si_pm4_emit(ctx, ctx->init_config_gs_rings);
269
270 if (ctx->queued.named.ls)
271 ctx->prefetch_L2_mask |= SI_PREFETCH_LS;
272 if (ctx->queued.named.hs)
273 ctx->prefetch_L2_mask |= SI_PREFETCH_HS;
274 if (ctx->queued.named.es)
275 ctx->prefetch_L2_mask |= SI_PREFETCH_ES;
276 if (ctx->queued.named.gs)
277 ctx->prefetch_L2_mask |= SI_PREFETCH_GS;
278 if (ctx->queued.named.vs)
279 ctx->prefetch_L2_mask |= SI_PREFETCH_VS;
280 if (ctx->queued.named.ps)
281 ctx->prefetch_L2_mask |= SI_PREFETCH_PS;
282 if (ctx->vb_descriptors_buffer && ctx->vertex_elements)
283 ctx->prefetch_L2_mask |= SI_PREFETCH_VBO_DESCRIPTORS;
284
285 /* CLEAR_STATE disables all colorbuffers, so only enable bound ones. */
286 bool has_clear_state = ctx->screen->has_clear_state;
287 if (has_clear_state) {
288 ctx->framebuffer.dirty_cbufs =
289 u_bit_consecutive(0, ctx->framebuffer.state.nr_cbufs);
290 /* CLEAR_STATE disables the zbuffer, so only enable it if it's bound. */
291 ctx->framebuffer.dirty_zsbuf = ctx->framebuffer.state.zsbuf != NULL;
292 } else {
293 ctx->framebuffer.dirty_cbufs = u_bit_consecutive(0, 8);
294 ctx->framebuffer.dirty_zsbuf = true;
295 }
296 /* This should always be marked as dirty to set the framebuffer scissor
297 * at least. */
298 si_mark_atom_dirty(ctx, &ctx->atoms.s.framebuffer);
299
300 si_mark_atom_dirty(ctx, &ctx->atoms.s.clip_regs);
301 /* CLEAR_STATE sets zeros. */
302 if (!has_clear_state || ctx->clip_state.any_nonzeros)
303 si_mark_atom_dirty(ctx, &ctx->atoms.s.clip_state);
304 ctx->sample_locs_num_samples = 0;
305 si_mark_atom_dirty(ctx, &ctx->atoms.s.msaa_sample_locs);
306 si_mark_atom_dirty(ctx, &ctx->atoms.s.msaa_config);
307 /* CLEAR_STATE sets 0xffff. */
308 if (!has_clear_state || ctx->sample_mask != 0xffff)
309 si_mark_atom_dirty(ctx, &ctx->atoms.s.sample_mask);
310 si_mark_atom_dirty(ctx, &ctx->atoms.s.cb_render_state);
311 /* CLEAR_STATE sets zeros. */
312 if (!has_clear_state || ctx->blend_color.any_nonzeros)
313 si_mark_atom_dirty(ctx, &ctx->atoms.s.blend_color);
314 si_mark_atom_dirty(ctx, &ctx->atoms.s.db_render_state);
315 if (ctx->chip_class >= GFX9)
316 si_mark_atom_dirty(ctx, &ctx->atoms.s.dpbb_state);
317 si_mark_atom_dirty(ctx, &ctx->atoms.s.stencil_ref);
318 si_mark_atom_dirty(ctx, &ctx->atoms.s.spi_map);
319 si_mark_atom_dirty(ctx, &ctx->atoms.s.streamout_enable);
320 si_mark_atom_dirty(ctx, &ctx->atoms.s.render_cond);
321 /* CLEAR_STATE disables all window rectangles. */
322 if (!has_clear_state || ctx->num_window_rectangles > 0)
323 si_mark_atom_dirty(ctx, &ctx->atoms.s.window_rectangles);
324
325 ctx->scissors.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
326 ctx->viewports.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
327 ctx->viewports.depth_range_dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
328 si_mark_atom_dirty(ctx, &ctx->atoms.s.guardband);
329 si_mark_atom_dirty(ctx, &ctx->atoms.s.scissors);
330 si_mark_atom_dirty(ctx, &ctx->atoms.s.viewports);
331
332 si_mark_atom_dirty(ctx, &ctx->atoms.s.scratch_state);
333 if (ctx->scratch_buffer) {
334 si_context_add_resource_size(ctx, &ctx->scratch_buffer->b.b);
335 }
336
337 if (ctx->streamout.suspended) {
338 ctx->streamout.append_bitmask = ctx->streamout.enabled_mask;
339 si_streamout_buffers_dirty(ctx);
340 }
341
342 if (!LIST_IS_EMPTY(&ctx->active_queries))
343 si_resume_queries(ctx);
344
345 assert(!ctx->gfx_cs->prev_dw);
346 ctx->initial_gfx_cs_size = ctx->gfx_cs->current.cdw;
347
348 /* Invalidate various draw states so that they are emitted before
349 * the first draw call. */
350 si_invalidate_draw_sh_constants(ctx);
351 ctx->last_index_size = -1;
352 ctx->last_primitive_restart_en = -1;
353 ctx->last_restart_index = SI_RESTART_INDEX_UNKNOWN;
354 ctx->last_prim = -1;
355 ctx->last_multi_vgt_param = -1;
356 ctx->last_rast_prim = -1;
357 ctx->last_sc_line_stipple = ~0;
358 ctx->last_vs_state = ~0;
359 ctx->last_ls = NULL;
360 ctx->last_tcs = NULL;
361 ctx->last_tes_sh_base = -1;
362 ctx->last_num_tcs_input_cp = -1;
363 ctx->last_ls_hs_config = -1; /* impossible value */
364
365 if (has_clear_state) {
366 ctx->tracked_regs.reg_value[SI_TRACKED_DB_RENDER_CONTROL] = 0x00000000;
367 ctx->tracked_regs.reg_value[SI_TRACKED_DB_COUNT_CONTROL] = 0x00000000;
368 ctx->tracked_regs.reg_value[SI_TRACKED_DB_RENDER_OVERRIDE2] = 0x00000000;
369 ctx->tracked_regs.reg_value[SI_TRACKED_DB_SHADER_CONTROL] = 0x00000000;
370 ctx->tracked_regs.reg_value[SI_TRACKED_CB_TARGET_MASK] = 0xffffffff;
371 ctx->tracked_regs.reg_value[SI_TRACKED_CB_DCC_CONTROL] = 0x00000000;
372 ctx->tracked_regs.reg_value[SI_TRACKED_SX_PS_DOWNCONVERT] = 0x00000000;
373 ctx->tracked_regs.reg_value[SI_TRACKED_SX_BLEND_OPT_EPSILON] = 0x00000000;
374 ctx->tracked_regs.reg_value[SI_TRACKED_SX_BLEND_OPT_CONTROL] = 0x00000000;
375 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SC_LINE_CNTL] = 0x00001000;
376 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SC_AA_CONFIG] = 0x00000000;
377 ctx->tracked_regs.reg_value[SI_TRACKED_DB_EQAA] = 0x00000000;
378 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SC_MODE_CNTL_1] = 0x00000000;
379 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SU_PRIM_FILTER_CNTL] = 0;
380 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SU_SMALL_PRIM_FILTER_CNTL] = 0x00000000;
381 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_VS_OUT_CNTL] = 0x00000000;
382 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_CLIP_CNTL] = 0x00090000;
383 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SC_BINNER_CNTL_0] = 0x00000003;
384 ctx->tracked_regs.reg_value[SI_TRACKED_DB_DFSM_CONTROL] = 0x00000000;
385 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_GB_VERT_CLIP_ADJ] = 0x3f800000;
386 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_GB_VERT_DISC_ADJ] = 0x3f800000;
387 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_GB_HORZ_CLIP_ADJ] = 0x3f800000;
388 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_GB_HORZ_DISC_ADJ] = 0x3f800000;
389 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SU_HARDWARE_SCREEN_OFFSET] = 0;
390 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SU_VTX_CNTL] = 0x00000005;
391 ctx->tracked_regs.reg_value[SI_TRACKED_PA_SC_CLIPRECT_RULE] = 0xffff;
392 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_ESGS_RING_ITEMSIZE] = 0x00000000;
393 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GSVS_RING_OFFSET_1] = 0x00000000;
394 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GSVS_RING_OFFSET_2] = 0x00000000;
395 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GSVS_RING_OFFSET_3] = 0x00000000;
396 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_OUT_PRIM_TYPE] = 0x00000000;
397 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GSVS_RING_ITEMSIZE] = 0x00000000;
398 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_MAX_VERT_OUT] = 0x00000000;
399 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_VERT_ITEMSIZE] = 0x00000000;
400 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_VERT_ITEMSIZE_1] = 0x00000000;
401 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_VERT_ITEMSIZE_2] = 0x00000000;
402 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_VERT_ITEMSIZE_3] = 0x00000000;
403 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_INSTANCE_CNT] = 0x00000000;
404 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_ONCHIP_CNTL] = 0x00000000;
405 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_MAX_PRIMS_PER_SUBGROUP] = 0x00000000;
406 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_GS_MODE] = 0x00000000;
407 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_PRIMITIVEID_EN] = 0x00000000;
408 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_REUSE_OFF] = 0x00000000;
409 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_VS_OUT_CONFIG] = 0x00000000;
410 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_SHADER_POS_FORMAT] = 0x00000000;
411 ctx->tracked_regs.reg_value[SI_TRACKED_PA_CL_VTE_CNTL] = 0x00000000;
412 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_PS_INPUT_ENA] = 0x00000000;
413 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_PS_INPUT_ADDR] = 0x00000000;
414 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_BARYC_CNTL] = 0x00000000;
415 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_PS_IN_CONTROL] = 0x00000002;
416 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_SHADER_Z_FORMAT] = 0x00000000;
417 ctx->tracked_regs.reg_value[SI_TRACKED_SPI_SHADER_COL_FORMAT] = 0x00000000;
418 ctx->tracked_regs.reg_value[SI_TRACKED_CB_SHADER_MASK] = 0xffffffff;
419 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_TF_PARAM] = 0x00000000;
420 ctx->tracked_regs.reg_value[SI_TRACKED_VGT_VERTEX_REUSE_BLOCK_CNTL] = 0x0000001e; /* From VI */
421
422 /* Set all saved registers state to saved. */
423 ctx->tracked_regs.reg_saved = 0xffffffffffffffff;
424 } else {
425 /* Set all saved registers state to unknown. */
426 ctx->tracked_regs.reg_saved = 0;
427 }
428
429 /* 0xffffffff is a impossible value to register SPI_PS_INPUT_CNTL_n */
430 memset(ctx->tracked_regs.spi_ps_input_cntl, 0xff, sizeof(uint32_t) * 32);
431 }