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1 /*
2  * Copyright © 2022 Collabora Ltd. and Red Hat Inc.
3  * SPDX-License-Identifier: MIT
4  */
5 #include "nvk_buffer.h"
6 #include "nvk_cmd_buffer.h"
7 #include "nvk_device.h"
8 #include "nvk_entrypoints.h"
9 #include "nvk_mme.h"
10 #include "nvk_physical_device.h"
11 #include "nvk_shader.h"
12 
13 #include "cl906f.h"
14 #include "cla0b5.h"
15 #include "cla1c0.h"
16 #include "clc0c0.h"
17 #include "clc5c0.h"
18 #include "nv_push_cl90c0.h"
19 #include "nv_push_cl9097.h"
20 #include "nv_push_cla0c0.h"
21 #include "nv_push_clb0c0.h"
22 #include "nv_push_clb1c0.h"
23 #include "nv_push_clc3c0.h"
24 #include "nv_push_clc597.h"
25 #include "nv_push_clc6c0.h"
26 
27 VkResult
nvk_push_dispatch_state_init(struct nvk_queue * queue,struct nv_push * p)28 nvk_push_dispatch_state_init(struct nvk_queue *queue, struct nv_push *p)
29 {
30    struct nvk_device *dev = nvk_queue_device(queue);
31    struct nvk_physical_device *pdev = nvk_device_physical(dev);
32 
33    P_MTHD(p, NV90C0, SET_OBJECT);
34    P_NV90C0_SET_OBJECT(p, {
35       .class_id = pdev->info.cls_compute,
36       .engine_id = 0,
37    });
38 
39    if (pdev->info.cls_compute == MAXWELL_COMPUTE_A)
40       P_IMMD(p, NVB0C0, SET_SELECT_MAXWELL_TEXTURE_HEADERS, V_TRUE);
41 
42    if (pdev->info.cls_eng3d < VOLTA_COMPUTE_A) {
43       uint64_t shader_base_addr =
44          nvk_heap_contiguous_base_address(&dev->shader_heap);
45 
46       P_MTHD(p, NVA0C0, SET_PROGRAM_REGION_A);
47       P_NVA0C0_SET_PROGRAM_REGION_A(p, shader_base_addr >> 32);
48       P_NVA0C0_SET_PROGRAM_REGION_B(p, shader_base_addr);
49    }
50 
51    return VK_SUCCESS;
52 }
53 
54 static inline uint16_t
nvk_cmd_buffer_compute_cls(struct nvk_cmd_buffer * cmd)55 nvk_cmd_buffer_compute_cls(struct nvk_cmd_buffer *cmd)
56 {
57    struct nvk_device *dev = nvk_cmd_buffer_device(cmd);
58    struct nvk_physical_device *pdev = nvk_device_physical(dev);
59    return pdev->info.cls_compute;
60 }
61 
62 void
nvk_cmd_buffer_begin_compute(struct nvk_cmd_buffer * cmd,const VkCommandBufferBeginInfo * pBeginInfo)63 nvk_cmd_buffer_begin_compute(struct nvk_cmd_buffer *cmd,
64                              const VkCommandBufferBeginInfo *pBeginInfo)
65 {
66    if (cmd->vk.level == VK_COMMAND_BUFFER_LEVEL_PRIMARY) {
67       struct nv_push *p = nvk_cmd_buffer_push(cmd, 6);
68       if (nvk_cmd_buffer_compute_cls(cmd) >= MAXWELL_COMPUTE_B) {
69          P_IMMD(p, NVB1C0, INVALIDATE_SKED_CACHES, 0);
70       }
71       P_IMMD(p, NVA0C0, INVALIDATE_SAMPLER_CACHE_NO_WFI, {
72          .lines = LINES_ALL,
73       });
74       P_IMMD(p, NVA0C0, INVALIDATE_TEXTURE_HEADER_CACHE_NO_WFI, {
75          .lines = LINES_ALL,
76       });
77    }
78 }
79 
80 void
nvk_cmd_invalidate_compute_state(struct nvk_cmd_buffer * cmd)81 nvk_cmd_invalidate_compute_state(struct nvk_cmd_buffer *cmd)
82 {
83    memset(&cmd->state.cs, 0, sizeof(cmd->state.cs));
84 }
85 
86 void
nvk_cmd_bind_compute_shader(struct nvk_cmd_buffer * cmd,struct nvk_shader * shader)87 nvk_cmd_bind_compute_shader(struct nvk_cmd_buffer *cmd,
88                             struct nvk_shader *shader)
89 {
90    cmd->state.cs.shader = shader;
91 }
92 
93 static uint32_t
nvk_compute_local_size(struct nvk_cmd_buffer * cmd)94 nvk_compute_local_size(struct nvk_cmd_buffer *cmd)
95 {
96    const struct nvk_shader *shader = cmd->state.cs.shader;
97 
98    return shader->info.cs.local_size[0] *
99           shader->info.cs.local_size[1] *
100           shader->info.cs.local_size[2];
101 }
102 
103 static void
nvk_flush_compute_state(struct nvk_cmd_buffer * cmd,uint32_t base_workgroup[3],uint32_t global_size[3])104 nvk_flush_compute_state(struct nvk_cmd_buffer *cmd,
105                         uint32_t base_workgroup[3],
106                         uint32_t global_size[3])
107 {
108    struct nvk_descriptor_state *desc = &cmd->state.cs.descriptors;
109 
110    nvk_cmd_buffer_flush_push_descriptors(cmd, desc);
111 
112    nvk_descriptor_state_set_root_array(cmd, desc, cs.base_group,
113                                        0, 3, base_workgroup);
114    nvk_descriptor_state_set_root_array(cmd, desc, cs.group_count,
115                                        0, 3, global_size);
116 }
117 
118 static VkResult
nvk_cmd_upload_qmd(struct nvk_cmd_buffer * cmd,const struct nvk_shader * shader,const struct nvk_descriptor_state * desc,const struct nvk_root_descriptor_table * root,uint32_t global_size[3],uint64_t * qmd_addr_out,uint64_t * root_desc_addr_out)119 nvk_cmd_upload_qmd(struct nvk_cmd_buffer *cmd,
120                    const struct nvk_shader *shader,
121                    const struct nvk_descriptor_state *desc,
122                    const struct nvk_root_descriptor_table *root,
123                    uint32_t global_size[3],
124                    uint64_t *qmd_addr_out,
125                    uint64_t *root_desc_addr_out)
126 {
127    struct nvk_device *dev = nvk_cmd_buffer_device(cmd);
128    struct nvk_physical_device *pdev = nvk_device_physical(dev);
129    const uint32_t min_cbuf_alignment = nvk_min_cbuf_alignment(&pdev->info);
130    VkResult result;
131 
132    /* pre Pascal the constant buffer sizes need to be 0x100 aligned. As we
133     * simply allocated a buffer and upload data to it, make sure its size is
134     * 0x100 aligned.
135     */
136    STATIC_ASSERT((sizeof(*root) & 0xff) == 0);
137    assert(sizeof(*root) % min_cbuf_alignment == 0);
138 
139    void *root_desc_map;
140    uint64_t root_desc_addr;
141    result = nvk_cmd_buffer_upload_alloc(cmd, sizeof(*root), min_cbuf_alignment,
142                                         &root_desc_addr, &root_desc_map);
143    if (unlikely(result != VK_SUCCESS))
144       return result;
145 
146    memcpy(root_desc_map, root, sizeof(*root));
147 
148    struct nak_qmd_info qmd_info = {
149       .addr = shader->hdr_addr,
150       .smem_size = shader->info.cs.smem_size,
151       .smem_max = NVK_MAX_SHARED_SIZE,
152       .global_size = {
153          global_size[0],
154          global_size[1],
155          global_size[2],
156       },
157    };
158 
159    assert(shader->cbuf_map.cbuf_count <= ARRAY_SIZE(qmd_info.cbufs));
160    for (uint32_t c = 0; c < shader->cbuf_map.cbuf_count; c++) {
161       const struct nvk_cbuf *cbuf = &shader->cbuf_map.cbufs[c];
162 
163       struct nvk_buffer_address ba;
164       if (cbuf->type == NVK_CBUF_TYPE_ROOT_DESC) {
165          ba = (struct nvk_buffer_address) {
166             .base_addr = root_desc_addr,
167             .size = sizeof(*root),
168          };
169       } else {
170          ASSERTED bool direct_descriptor =
171             nvk_cmd_buffer_get_cbuf_addr(cmd, desc, shader, cbuf, &ba);
172          assert(direct_descriptor);
173       }
174 
175       if (ba.size > 0) {
176          assert(ba.base_addr % min_cbuf_alignment == 0);
177          ba.size = align(ba.size, min_cbuf_alignment);
178          ba.size = MIN2(ba.size, NVK_MAX_CBUF_SIZE);
179 
180          qmd_info.cbufs[qmd_info.num_cbufs++] = (struct nak_qmd_cbuf) {
181             .index = c,
182             .addr = ba.base_addr,
183             .size = ba.size,
184          };
185       }
186    }
187 
188    uint32_t qmd[64];
189    nak_fill_qmd(&pdev->info, &shader->info, &qmd_info, qmd, sizeof(qmd));
190 
191    uint64_t qmd_addr;
192    result = nvk_cmd_buffer_upload_data(cmd, qmd, sizeof(qmd), 0x100, &qmd_addr);
193    if (unlikely(result != VK_SUCCESS))
194       return result;
195 
196    *qmd_addr_out = qmd_addr;
197    if (root_desc_addr_out != NULL)
198       *root_desc_addr_out = root_desc_addr;
199 
200    return VK_SUCCESS;
201 }
202 
203 VkResult
nvk_cmd_flush_cs_qmd(struct nvk_cmd_buffer * cmd,uint32_t global_size[3],uint64_t * qmd_addr_out,uint64_t * root_desc_addr_out)204 nvk_cmd_flush_cs_qmd(struct nvk_cmd_buffer *cmd,
205                      uint32_t global_size[3],
206                      uint64_t *qmd_addr_out,
207                      uint64_t *root_desc_addr_out)
208 {
209    struct nvk_descriptor_state *desc = &cmd->state.cs.descriptors;
210 
211    return nvk_cmd_upload_qmd(cmd, cmd->state.cs.shader,
212                              desc, (void *)desc->root, global_size,
213                              qmd_addr_out, root_desc_addr_out);
214 }
215 
216 static void
nvk_build_mme_add_cs_invocations(struct mme_builder * b,struct mme_value64 count)217 nvk_build_mme_add_cs_invocations(struct mme_builder *b,
218                                  struct mme_value64 count)
219 {
220    struct mme_value accum_hi = nvk_mme_load_scratch(b, CS_INVOCATIONS_HI);
221    struct mme_value accum_lo = nvk_mme_load_scratch(b, CS_INVOCATIONS_LO);
222    struct mme_value64 accum = mme_value64(accum_lo, accum_hi);
223 
224    mme_add64_to(b, accum, accum, count);
225 
226    STATIC_ASSERT(NVK_MME_SCRATCH_CS_INVOCATIONS_HI + 1 ==
227                  NVK_MME_SCRATCH_CS_INVOCATIONS_LO);
228 
229    mme_mthd(b, NVK_SET_MME_SCRATCH(CS_INVOCATIONS_HI));
230    mme_emit(b, accum.hi);
231    mme_emit(b, accum.lo);
232 
233    mme_free_reg64(b, accum);
234 }
235 
236 void
nvk_mme_add_cs_invocations(struct mme_builder * b)237 nvk_mme_add_cs_invocations(struct mme_builder *b)
238 {
239    struct mme_value64 count = mme_load_addr64(b);
240 
241    nvk_build_mme_add_cs_invocations(b, count);
242 }
243 
244 VKAPI_ATTR void VKAPI_CALL
nvk_CmdDispatchBase(VkCommandBuffer commandBuffer,uint32_t baseGroupX,uint32_t baseGroupY,uint32_t baseGroupZ,uint32_t groupCountX,uint32_t groupCountY,uint32_t groupCountZ)245 nvk_CmdDispatchBase(VkCommandBuffer commandBuffer,
246                     uint32_t baseGroupX,
247                     uint32_t baseGroupY,
248                     uint32_t baseGroupZ,
249                     uint32_t groupCountX,
250                     uint32_t groupCountY,
251                     uint32_t groupCountZ)
252 {
253    VK_FROM_HANDLE(nvk_cmd_buffer, cmd, commandBuffer);
254 
255    uint32_t base_workgroup[3] = { baseGroupX, baseGroupY, baseGroupZ };
256    uint32_t global_size[3] = { groupCountX, groupCountY, groupCountZ };
257    nvk_flush_compute_state(cmd, base_workgroup, global_size);
258 
259    uint64_t qmd_addr = 0;
260    VkResult result = nvk_cmd_flush_cs_qmd(cmd, global_size, &qmd_addr, NULL);
261    if (result != VK_SUCCESS) {
262       vk_command_buffer_set_error(&cmd->vk, result);
263       return;
264    }
265 
266    const uint32_t local_size = nvk_compute_local_size(cmd);
267    const uint64_t cs_invocations =
268       (uint64_t)local_size * (uint64_t)groupCountX *
269       (uint64_t)groupCountY * (uint64_t)groupCountZ;
270 
271    struct nv_push *p = nvk_cmd_buffer_push(cmd, 7);
272 
273    P_1INC(p, NV9097, CALL_MME_MACRO(NVK_MME_ADD_CS_INVOCATIONS));
274    P_INLINE_DATA(p, cs_invocations >> 32);
275    P_INLINE_DATA(p, cs_invocations);
276 
277    P_MTHD(p, NVA0C0, SEND_PCAS_A);
278    P_NVA0C0_SEND_PCAS_A(p, qmd_addr >> 8);
279 
280    if (nvk_cmd_buffer_compute_cls(cmd) <= TURING_COMPUTE_A) {
281       P_IMMD(p, NVA0C0, SEND_SIGNALING_PCAS_B, {
282             .invalidate = INVALIDATE_TRUE,
283             .schedule = SCHEDULE_TRUE
284       });
285    } else {
286       P_IMMD(p, NVC6C0, SEND_SIGNALING_PCAS2_B,
287              PCAS_ACTION_INVALIDATE_COPY_SCHEDULE);
288    }
289 }
290 
291 void
nvk_cmd_dispatch_shader(struct nvk_cmd_buffer * cmd,struct nvk_shader * shader,const void * push_data,size_t push_size,uint32_t groupCountX,uint32_t groupCountY,uint32_t groupCountZ)292 nvk_cmd_dispatch_shader(struct nvk_cmd_buffer *cmd,
293                         struct nvk_shader *shader,
294                         const void *push_data, size_t push_size,
295                         uint32_t groupCountX,
296                         uint32_t groupCountY,
297                         uint32_t groupCountZ)
298 {
299    struct nvk_root_descriptor_table root = {
300       .cs.group_count = {
301          groupCountX,
302          groupCountY,
303          groupCountZ,
304       },
305    };
306    assert(push_size <= sizeof(root.push));
307    memcpy(root.push, push_data, push_size);
308 
309    uint64_t qmd_addr;
310    VkResult result = nvk_cmd_upload_qmd(cmd, shader, NULL, &root,
311                                         root.cs.group_count,
312                                         &qmd_addr, NULL);
313    if (result != VK_SUCCESS) {
314       vk_command_buffer_set_error(&cmd->vk, result);
315       return;
316    }
317 
318    struct nv_push *p = nvk_cmd_buffer_push(cmd, 8);
319 
320    /* Internal shaders don't want conditional rendering */
321    P_IMMD(p, NVA0C0, SET_RENDER_ENABLE_OVERRIDE, MODE_ALWAYS_RENDER);
322 
323    P_MTHD(p, NVA0C0, SEND_PCAS_A);
324    P_NVA0C0_SEND_PCAS_A(p, qmd_addr >> 8);
325 
326    if (nvk_cmd_buffer_compute_cls(cmd) <= TURING_COMPUTE_A) {
327       P_IMMD(p, NVA0C0, SEND_SIGNALING_PCAS_B, {
328             .invalidate = INVALIDATE_TRUE,
329             .schedule = SCHEDULE_TRUE
330       });
331    } else {
332       P_IMMD(p, NVC6C0, SEND_SIGNALING_PCAS2_B,
333              PCAS_ACTION_INVALIDATE_COPY_SCHEDULE);
334    }
335 
336    P_IMMD(p, NVA0C0, SET_RENDER_ENABLE_OVERRIDE, MODE_USE_RENDER_ENABLE);
337 }
338 
339 static void
mme_store_global(struct mme_builder * b,struct mme_value64 addr,struct mme_value v)340 mme_store_global(struct mme_builder *b,
341                  struct mme_value64 addr,
342                  struct mme_value v)
343 {
344    mme_mthd(b, NV9097_SET_REPORT_SEMAPHORE_A);
345    mme_emit_addr64(b, addr);
346    mme_emit(b, v);
347    mme_emit(b, mme_imm(0x10000000));
348 }
349 
350 static void
mme_store_global_vec3_free_addr(struct mme_builder * b,struct mme_value64 addr,uint32_t offset,struct mme_value x,struct mme_value y,struct mme_value z)351 mme_store_global_vec3_free_addr(struct mme_builder *b,
352                                 struct mme_value64 addr,
353                                 uint32_t offset,
354                                 struct mme_value x,
355                                 struct mme_value y,
356                                 struct mme_value z)
357 {
358    if (offset > 0)
359       mme_add64_to(b, addr, addr, mme_imm64(offset));
360 
361    mme_store_global(b, addr, x);
362    mme_add64_to(b, addr, addr, mme_imm64(4));
363    mme_store_global(b, addr, y);
364    mme_add64_to(b, addr, addr, mme_imm64(4));
365    mme_store_global(b, addr, z);
366    mme_free_reg64(b, addr);
367 }
368 
369 static void
mme_store_root_desc_group_count(struct mme_builder * b,struct mme_value64 root_desc_addr,struct mme_value group_count_x,struct mme_value group_count_y,struct mme_value group_count_z)370 mme_store_root_desc_group_count(struct mme_builder *b,
371                                 struct mme_value64 root_desc_addr,
372                                 struct mme_value group_count_x,
373                                 struct mme_value group_count_y,
374                                 struct mme_value group_count_z)
375 {
376    uint32_t root_desc_size_offset =
377       offsetof(struct nvk_root_descriptor_table, cs.group_count);
378    mme_store_global_vec3_free_addr(b, root_desc_addr,
379                                    root_desc_size_offset,
380                                    group_count_x,
381                                    group_count_y,
382                                    group_count_z);
383 }
384 
385 static void
mme_store_qmd_dispatch_size(struct mme_builder * b,struct mme_value64 qmd_addr,struct mme_value group_count_x,struct mme_value group_count_y,struct mme_value group_count_z)386 mme_store_qmd_dispatch_size(struct mme_builder *b,
387                             struct mme_value64 qmd_addr,
388                             struct mme_value group_count_x,
389                             struct mme_value group_count_y,
390                             struct mme_value group_count_z)
391 {
392    struct nak_qmd_dispatch_size_layout qmd_size_layout =
393       nak_get_qmd_dispatch_size_layout(b->devinfo);
394    assert(qmd_size_layout.y_start == qmd_size_layout.x_start + 32);
395 
396    if (qmd_size_layout.z_start == qmd_size_layout.y_start + 32) {
397       mme_store_global_vec3_free_addr(b, qmd_addr,
398                                       qmd_size_layout.x_start / 8,
399                                       group_count_x,
400                                       group_count_y,
401                                       group_count_z);
402    } else {
403       mme_add64_to(b, qmd_addr, qmd_addr,
404                    mme_imm64(qmd_size_layout.x_start / 8));
405       mme_store_global(b, qmd_addr, group_count_x);
406 
407       assert(qmd_size_layout.z_start == qmd_size_layout.y_start + 16);
408       struct mme_value group_count_yz =
409          mme_merge(b, group_count_y, group_count_z, 16, 16, 0);
410       mme_add64_to(b, qmd_addr, qmd_addr, mme_imm64(4));
411       mme_store_global(b, qmd_addr, group_count_yz);
412       mme_free_reg(b, group_count_yz);
413 
414       mme_free_reg64(b, qmd_addr);
415    };
416 }
417 
418 void
nvk_mme_dispatch_indirect(struct mme_builder * b)419 nvk_mme_dispatch_indirect(struct mme_builder *b)
420 {
421    if (b->devinfo->cls_eng3d >= TURING_A) {
422       /* Load everything before we switch to an indirect read */
423       struct mme_value64 dispatch_addr = mme_load_addr64(b);
424       struct mme_value64 root_desc_addr = mme_load_addr64(b);
425       struct mme_value64 qmd_addr = mme_load_addr64(b);
426       struct mme_value local_size = mme_load(b);
427 
428       mme_tu104_read_fifoed(b, dispatch_addr, mme_imm(3));
429       mme_free_reg64(b, dispatch_addr);
430       struct mme_value group_count_x = mme_load(b);
431       struct mme_value group_count_y = mme_load(b);
432       struct mme_value group_count_z = mme_load(b);
433 
434       mme_store_root_desc_group_count(b, root_desc_addr,
435                                       group_count_x,
436                                       group_count_y,
437                                       group_count_z);
438 
439       mme_store_qmd_dispatch_size(b, qmd_addr,
440                                   group_count_x,
441                                   group_count_y,
442                                   group_count_z);
443 
444       struct mme_value64 cs1 = mme_umul_32x32_64(b, group_count_y,
445                                                     group_count_z);
446       struct mme_value64 cs2 = mme_umul_32x32_64(b, group_count_x,
447                                                     local_size);
448       struct mme_value64 count = mme_mul64(b, cs1, cs2);
449       mme_free_reg64(b, cs1);
450       mme_free_reg64(b, cs2);
451 
452       nvk_build_mme_add_cs_invocations(b, count);
453    } else {
454       struct mme_value group_count_x = mme_load(b);
455       struct mme_value group_count_y = mme_load(b);
456       struct mme_value group_count_z = mme_load(b);
457 
458       struct mme_value64 root_desc_addr = mme_load_addr64(b);
459       mme_store_root_desc_group_count(b, root_desc_addr,
460                                       group_count_x,
461                                       group_count_y,
462                                       group_count_z);
463 
464       struct mme_value64 qmd_addr = mme_load_addr64(b);
465       mme_store_qmd_dispatch_size(b, qmd_addr,
466                                   group_count_x,
467                                   group_count_y,
468                                   group_count_z);
469 
470       /* Y and Z are 16b, so this cant't overflow */
471       struct mme_value cs1 =
472          mme_mul_32x32_32_free_srcs(b, group_count_y, group_count_z);
473       struct mme_value64 cs2 =
474          mme_umul_32x32_64_free_srcs(b, group_count_x, cs1);
475       struct mme_value local_size = mme_load(b);
476       struct mme_value64 count =
477          mme_umul_32x64_64_free_srcs(b, local_size, cs2);
478 
479       nvk_build_mme_add_cs_invocations(b, count);
480    }
481 }
482 
483 VKAPI_ATTR void VKAPI_CALL
nvk_CmdDispatchIndirect(VkCommandBuffer commandBuffer,VkBuffer _buffer,VkDeviceSize offset)484 nvk_CmdDispatchIndirect(VkCommandBuffer commandBuffer,
485                         VkBuffer _buffer,
486                         VkDeviceSize offset)
487 {
488    VK_FROM_HANDLE(nvk_cmd_buffer, cmd, commandBuffer);
489    VK_FROM_HANDLE(nvk_buffer, buffer, _buffer);
490 
491    uint64_t dispatch_addr = nvk_buffer_address(buffer, offset);
492 
493    /* We set these through the MME */
494    uint32_t base_workgroup[3] = { 0, 0, 0 };
495    uint32_t global_size[3] = { 0, 0, 0 };
496    nvk_flush_compute_state(cmd, base_workgroup, global_size);
497 
498    uint64_t qmd_addr = 0, root_desc_addr = 0;
499    VkResult result = nvk_cmd_flush_cs_qmd(cmd, global_size, &qmd_addr,
500                                           &root_desc_addr);
501    if (result != VK_SUCCESS) {
502       vk_command_buffer_set_error(&cmd->vk, result);
503       return;
504    }
505 
506    struct nv_push *p;
507    if (nvk_cmd_buffer_compute_cls(cmd) >= TURING_A) {
508       p = nvk_cmd_buffer_push(cmd, 14);
509       P_IMMD(p, NVC597, SET_MME_DATA_FIFO_CONFIG, FIFO_SIZE_SIZE_4KB);
510       P_1INC(p, NV9097, CALL_MME_MACRO(NVK_MME_DISPATCH_INDIRECT));
511       P_INLINE_DATA(p, dispatch_addr >> 32);
512       P_INLINE_DATA(p, dispatch_addr);
513       P_INLINE_DATA(p, root_desc_addr >> 32);
514       P_INLINE_DATA(p, root_desc_addr);
515       P_INLINE_DATA(p, qmd_addr >> 32);
516       P_INLINE_DATA(p, qmd_addr);
517       P_INLINE_DATA(p, nvk_compute_local_size(cmd));
518    } else {
519       p = nvk_cmd_buffer_push(cmd, 5);
520       /* Stall the command streamer */
521       __push_immd(p, SUBC_NV9097, NV906F_SET_REFERENCE, 0);
522 
523       P_1INC(p, NV9097, CALL_MME_MACRO(NVK_MME_DISPATCH_INDIRECT));
524       nv_push_update_count(p, sizeof(VkDispatchIndirectCommand) / 4);
525       nvk_cmd_buffer_push_indirect(cmd, dispatch_addr, sizeof(VkDispatchIndirectCommand));
526       p = nvk_cmd_buffer_push(cmd, 9);
527       P_INLINE_DATA(p, root_desc_addr >> 32);
528       P_INLINE_DATA(p, root_desc_addr);
529       P_INLINE_DATA(p, qmd_addr >> 32);
530       P_INLINE_DATA(p, qmd_addr);
531       P_INLINE_DATA(p, nvk_compute_local_size(cmd));
532    }
533 
534    P_MTHD(p, NVA0C0, SEND_PCAS_A);
535    P_NVA0C0_SEND_PCAS_A(p, qmd_addr >> 8);
536    if (nvk_cmd_buffer_compute_cls(cmd) <= TURING_COMPUTE_A) {
537       P_IMMD(p, NVA0C0, SEND_SIGNALING_PCAS_B, {
538             .invalidate = INVALIDATE_TRUE,
539             .schedule = SCHEDULE_TRUE
540       });
541    } else {
542       P_IMMD(p, NVC6C0, SEND_SIGNALING_PCAS2_B,
543              PCAS_ACTION_INVALIDATE_COPY_SCHEDULE);
544    }
545 }
546