2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
3 * Copyright 2018 Advanced Micro Devices, Inc.
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:
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
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.
28 #include "util/os_time.h"
29 #include "util/u_upload_mgr.h"
32 void si_need_gfx_cs_space(struct si_context
*ctx
)
34 struct radeon_cmdbuf
*cs
= ctx
->gfx_cs
;
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).
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.
47 if (unlikely(!radeon_cs_memory_below_limit(ctx
->screen
, ctx
->gfx_cs
,
48 ctx
->vram
, ctx
->gtt
))) {
51 si_flush_gfx_cs(ctx
, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW
, NULL
);
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
);
62 void si_unref_sdma_uploads(struct si_context
*sctx
)
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
);
68 sctx
->num_sdma_uploads
= 0;
71 void si_flush_gfx_cs(struct si_context
*ctx
, unsigned flags
,
72 struct pipe_fence_handle
**fence
)
74 struct radeon_cmdbuf
*cs
= ctx
->gfx_cs
;
75 struct radeon_winsys
*ws
= ctx
->ws
;
76 unsigned wait_flags
= 0;
78 if (ctx
->gfx_flush_in_progress
)
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
== GFX6
) {
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
;
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
))
99 if (si_check_device_reset(ctx
))
102 if (ctx
->screen
->debug_flags
& DBG(CHECK_VM
))
103 flags
&= ~PIPE_FLUSH_ASYNC
;
105 ctx
->gfx_flush_in_progress
= true;
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.
112 assert(!radeon_emitted(ctx
->dma_cs
, 0) || fence
== NULL
);
114 /* Update the sdma_uploads list by flushing the uploader. */
115 u_upload_unmap(ctx
->b
.const_uploader
);
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
];
123 assert(up
->src_offset
% 4 == 0 && up
->dst_offset
% 4 == 0 &&
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
);
130 ctx
->sdma_uploads_in_progress
= false;
131 si_unref_sdma_uploads(ctx
);
133 /* Flush SDMA (preamble IB). */
134 if (radeon_emitted(ctx
->dma_cs
, 0))
135 si_flush_dma_cs(ctx
, flags
, NULL
);
137 if (ctx
->has_graphics
) {
138 if (!LIST_IS_EMPTY(&ctx
->active_queries
))
139 si_suspend_queries(ctx
);
141 ctx
->streamout
.suspended
= false;
142 if (ctx
->streamout
.begin_emitted
) {
143 si_emit_streamout_end(ctx
);
144 ctx
->streamout
.suspended
= true;
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
>= GFX7
)
151 si_cp_dma_wait_for_idle(ctx
);
153 /* Wait for draw calls to finish if needed. */
155 ctx
->flags
|= wait_flags
;
156 si_emit_cache_flush(ctx
);
158 ctx
->gfx_last_ib_is_busy
= wait_flags
== 0;
160 if (ctx
->current_saved_cs
) {
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();
168 si_log_hw_flush(ctx
);
172 ws
->cs_flush(cs
, flags
, &ctx
->last_gfx_fence
);
174 ws
->fence_reference(fence
, ctx
->last_gfx_fence
);
176 ctx
->num_gfx_cs_flushes
++;
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.
183 ctx
->ws
->fence_wait(ctx
->ws
, ctx
->last_gfx_fence
, 800*1000*1000);
185 si_check_vm_faults(ctx
, &ctx
->current_saved_cs
->gfx
, RING_GFX
);
188 if (ctx
->current_saved_cs
)
189 si_saved_cs_reference(&ctx
->current_saved_cs
, NULL
);
191 si_begin_new_gfx_cs(ctx
);
192 ctx
->gfx_flush_in_progress
= false;
195 static void si_begin_gfx_cs_debug(struct si_context
*ctx
)
197 static const uint32_t zeros
[1];
198 assert(!ctx
->current_saved_cs
);
200 ctx
->current_saved_cs
= calloc(1, sizeof(*ctx
->current_saved_cs
));
201 if (!ctx
->current_saved_cs
)
204 pipe_reference_init(&ctx
->current_saved_cs
->reference
, 1);
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
;
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;
220 radeon_add_to_buffer_list(ctx
, ctx
->gfx_cs
, ctx
->current_saved_cs
->trace_buf
,
221 RADEON_USAGE_READWRITE
, RADEON_PRIO_TRACE
);
224 void si_begin_new_gfx_cs(struct si_context
*ctx
)
227 si_begin_gfx_cs_debug(ctx
);
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
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
237 * TODO: Do we also need to invalidate CB & DB caches?
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
;
245 ctx
->cs_shader_state
.initialized
= false;
246 si_all_descriptors_begin_new_cs(ctx
);
248 if (!ctx
->has_graphics
) {
249 ctx
->initial_gfx_cs_size
= ctx
->gfx_cs
->current
.cdw
;
253 /* set all valid group as dirty so they get reemited on
256 si_pm4_reset_emitted(ctx
);
258 /* The CS initialization should be emitted before everything else. */
259 si_pm4_emit(ctx
, ctx
->init_config
);
260 if (ctx
->init_config_gs_rings
)
261 si_pm4_emit(ctx
, ctx
->init_config_gs_rings
);
263 if (ctx
->queued
.named
.ls
)
264 ctx
->prefetch_L2_mask
|= SI_PREFETCH_LS
;
265 if (ctx
->queued
.named
.hs
)
266 ctx
->prefetch_L2_mask
|= SI_PREFETCH_HS
;
267 if (ctx
->queued
.named
.es
)
268 ctx
->prefetch_L2_mask
|= SI_PREFETCH_ES
;
269 if (ctx
->queued
.named
.gs
)
270 ctx
->prefetch_L2_mask
|= SI_PREFETCH_GS
;
271 if (ctx
->queued
.named
.vs
)
272 ctx
->prefetch_L2_mask
|= SI_PREFETCH_VS
;
273 if (ctx
->queued
.named
.ps
)
274 ctx
->prefetch_L2_mask
|= SI_PREFETCH_PS
;
275 if (ctx
->vb_descriptors_buffer
&& ctx
->vertex_elements
)
276 ctx
->prefetch_L2_mask
|= SI_PREFETCH_VBO_DESCRIPTORS
;
278 /* CLEAR_STATE disables all colorbuffers, so only enable bound ones. */
279 bool has_clear_state
= ctx
->screen
->has_clear_state
;
280 if (has_clear_state
) {
281 ctx
->framebuffer
.dirty_cbufs
=
282 u_bit_consecutive(0, ctx
->framebuffer
.state
.nr_cbufs
);
283 /* CLEAR_STATE disables the zbuffer, so only enable it if it's bound. */
284 ctx
->framebuffer
.dirty_zsbuf
= ctx
->framebuffer
.state
.zsbuf
!= NULL
;
286 ctx
->framebuffer
.dirty_cbufs
= u_bit_consecutive(0, 8);
287 ctx
->framebuffer
.dirty_zsbuf
= true;
289 /* This should always be marked as dirty to set the framebuffer scissor
291 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.framebuffer
);
293 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.clip_regs
);
294 /* CLEAR_STATE sets zeros. */
295 if (!has_clear_state
|| ctx
->clip_state
.any_nonzeros
)
296 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.clip_state
);
297 ctx
->sample_locs_num_samples
= 0;
298 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.msaa_sample_locs
);
299 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.msaa_config
);
300 /* CLEAR_STATE sets 0xffff. */
301 if (!has_clear_state
|| ctx
->sample_mask
!= 0xffff)
302 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.sample_mask
);
303 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.cb_render_state
);
304 /* CLEAR_STATE sets zeros. */
305 if (!has_clear_state
|| ctx
->blend_color
.any_nonzeros
)
306 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.blend_color
);
307 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.db_render_state
);
308 if (ctx
->chip_class
>= GFX9
)
309 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.dpbb_state
);
310 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.stencil_ref
);
311 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.spi_map
);
312 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.streamout_enable
);
313 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.render_cond
);
314 /* CLEAR_STATE disables all window rectangles. */
315 if (!has_clear_state
|| ctx
->num_window_rectangles
> 0)
316 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.window_rectangles
);
318 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.guardband
);
319 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.scissors
);
320 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.viewports
);
322 si_mark_atom_dirty(ctx
, &ctx
->atoms
.s
.scratch_state
);
323 if (ctx
->scratch_buffer
) {
324 si_context_add_resource_size(ctx
, &ctx
->scratch_buffer
->b
.b
);
327 if (ctx
->streamout
.suspended
) {
328 ctx
->streamout
.append_bitmask
= ctx
->streamout
.enabled_mask
;
329 si_streamout_buffers_dirty(ctx
);
332 if (!LIST_IS_EMPTY(&ctx
->active_queries
))
333 si_resume_queries(ctx
);
335 assert(!ctx
->gfx_cs
->prev_dw
);
336 ctx
->initial_gfx_cs_size
= ctx
->gfx_cs
->current
.cdw
;
338 /* Invalidate various draw states so that they are emitted before
339 * the first draw call. */
340 si_invalidate_draw_sh_constants(ctx
);
341 ctx
->last_index_size
= -1;
342 ctx
->last_primitive_restart_en
= -1;
343 ctx
->last_restart_index
= SI_RESTART_INDEX_UNKNOWN
;
345 ctx
->last_multi_vgt_param
= -1;
346 ctx
->last_rast_prim
= -1;
347 ctx
->last_sc_line_stipple
= ~0;
348 ctx
->last_vs_state
= ~0;
350 ctx
->last_tcs
= NULL
;
351 ctx
->last_tes_sh_base
= -1;
352 ctx
->last_num_tcs_input_cp
= -1;
353 ctx
->last_ls_hs_config
= -1; /* impossible value */
355 if (has_clear_state
) {
356 ctx
->tracked_regs
.reg_value
[SI_TRACKED_DB_RENDER_CONTROL
] = 0x00000000;
357 ctx
->tracked_regs
.reg_value
[SI_TRACKED_DB_COUNT_CONTROL
] = 0x00000000;
358 ctx
->tracked_regs
.reg_value
[SI_TRACKED_DB_RENDER_OVERRIDE2
] = 0x00000000;
359 ctx
->tracked_regs
.reg_value
[SI_TRACKED_DB_SHADER_CONTROL
] = 0x00000000;
360 ctx
->tracked_regs
.reg_value
[SI_TRACKED_CB_TARGET_MASK
] = 0xffffffff;
361 ctx
->tracked_regs
.reg_value
[SI_TRACKED_CB_DCC_CONTROL
] = 0x00000000;
362 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SX_PS_DOWNCONVERT
] = 0x00000000;
363 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SX_BLEND_OPT_EPSILON
] = 0x00000000;
364 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SX_BLEND_OPT_CONTROL
] = 0x00000000;
365 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_SC_LINE_CNTL
] = 0x00001000;
366 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_SC_AA_CONFIG
] = 0x00000000;
367 ctx
->tracked_regs
.reg_value
[SI_TRACKED_DB_EQAA
] = 0x00000000;
368 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_SC_MODE_CNTL_1
] = 0x00000000;
369 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_SU_PRIM_FILTER_CNTL
] = 0;
370 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_SU_SMALL_PRIM_FILTER_CNTL
] = 0x00000000;
371 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_CL_VS_OUT_CNTL
] = 0x00000000;
372 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_CL_CLIP_CNTL
] = 0x00090000;
373 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_SC_BINNER_CNTL_0
] = 0x00000003;
374 ctx
->tracked_regs
.reg_value
[SI_TRACKED_DB_DFSM_CONTROL
] = 0x00000000;
375 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_CL_GB_VERT_CLIP_ADJ
] = 0x3f800000;
376 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_CL_GB_VERT_DISC_ADJ
] = 0x3f800000;
377 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_CL_GB_HORZ_CLIP_ADJ
] = 0x3f800000;
378 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_CL_GB_HORZ_DISC_ADJ
] = 0x3f800000;
379 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_SU_HARDWARE_SCREEN_OFFSET
] = 0;
380 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_SU_VTX_CNTL
] = 0x00000005;
381 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_SC_CLIPRECT_RULE
] = 0xffff;
382 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_ESGS_RING_ITEMSIZE
] = 0x00000000;
383 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GSVS_RING_OFFSET_1
] = 0x00000000;
384 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GSVS_RING_OFFSET_2
] = 0x00000000;
385 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GSVS_RING_OFFSET_3
] = 0x00000000;
386 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GS_OUT_PRIM_TYPE
] = 0x00000000;
387 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GSVS_RING_ITEMSIZE
] = 0x00000000;
388 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GS_MAX_VERT_OUT
] = 0x00000000;
389 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GS_VERT_ITEMSIZE
] = 0x00000000;
390 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GS_VERT_ITEMSIZE_1
] = 0x00000000;
391 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GS_VERT_ITEMSIZE_2
] = 0x00000000;
392 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GS_VERT_ITEMSIZE_3
] = 0x00000000;
393 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GS_INSTANCE_CNT
] = 0x00000000;
394 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GS_ONCHIP_CNTL
] = 0x00000000;
395 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GS_MAX_PRIMS_PER_SUBGROUP
] = 0x00000000;
396 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_GS_MODE
] = 0x00000000;
397 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_PRIMITIVEID_EN
] = 0x00000000;
398 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_REUSE_OFF
] = 0x00000000;
399 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SPI_VS_OUT_CONFIG
] = 0x00000000;
400 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SPI_SHADER_POS_FORMAT
] = 0x00000000;
401 ctx
->tracked_regs
.reg_value
[SI_TRACKED_PA_CL_VTE_CNTL
] = 0x00000000;
402 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SPI_PS_INPUT_ENA
] = 0x00000000;
403 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SPI_PS_INPUT_ADDR
] = 0x00000000;
404 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SPI_BARYC_CNTL
] = 0x00000000;
405 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SPI_PS_IN_CONTROL
] = 0x00000002;
406 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SPI_SHADER_Z_FORMAT
] = 0x00000000;
407 ctx
->tracked_regs
.reg_value
[SI_TRACKED_SPI_SHADER_COL_FORMAT
] = 0x00000000;
408 ctx
->tracked_regs
.reg_value
[SI_TRACKED_CB_SHADER_MASK
] = 0xffffffff;
409 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_TF_PARAM
] = 0x00000000;
410 ctx
->tracked_regs
.reg_value
[SI_TRACKED_VGT_VERTEX_REUSE_BLOCK_CNTL
] = 0x0000001e; /* From GFX8 */
412 /* Set all saved registers state to saved. */
413 ctx
->tracked_regs
.reg_saved
= 0xffffffffffffffff;
415 /* Set all saved registers state to unknown. */
416 ctx
->tracked_regs
.reg_saved
= 0;
419 /* 0xffffffff is a impossible value to register SPI_PS_INPUT_CNTL_n */
420 memset(ctx
->tracked_regs
.spi_ps_input_cntl
, 0xff, sizeof(uint32_t) * 32);