xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c (revision 61c1f340bc809a1ca1e3c8794207a91cde1a7c78)
1 /*
2  * Copyright 2019 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 #include <linux/module.h>
26 #include "amdgpu.h"
27 #include "soc15_common.h"
28 #include "soc21.h"
29 #include "gc/gc_11_0_0_offset.h"
30 #include "gc/gc_11_0_0_sh_mask.h"
31 #include "gc/gc_11_0_0_default.h"
32 #include "v11_structs.h"
33 #include "mes_v11_api_def.h"
34 
35 MODULE_FIRMWARE("amdgpu/gc_11_0_0_mes.bin");
36 MODULE_FIRMWARE("amdgpu/gc_11_0_0_mes1.bin");
37 MODULE_FIRMWARE("amdgpu/gc_11_0_1_mes.bin");
38 MODULE_FIRMWARE("amdgpu/gc_11_0_1_mes1.bin");
39 MODULE_FIRMWARE("amdgpu/gc_11_0_2_mes.bin");
40 MODULE_FIRMWARE("amdgpu/gc_11_0_2_mes1.bin");
41 
42 static int mes_v11_0_hw_fini(void *handle);
43 static int mes_v11_0_kiq_hw_init(struct amdgpu_device *adev);
44 static int mes_v11_0_kiq_hw_fini(struct amdgpu_device *adev);
45 
46 #define MES_EOP_SIZE   2048
47 
48 static void mes_v11_0_ring_set_wptr(struct amdgpu_ring *ring)
49 {
50 	struct amdgpu_device *adev = ring->adev;
51 
52 	if (ring->use_doorbell) {
53 		atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
54 			     ring->wptr);
55 		WDOORBELL64(ring->doorbell_index, ring->wptr);
56 	} else {
57 		BUG();
58 	}
59 }
60 
61 static u64 mes_v11_0_ring_get_rptr(struct amdgpu_ring *ring)
62 {
63 	return *ring->rptr_cpu_addr;
64 }
65 
66 static u64 mes_v11_0_ring_get_wptr(struct amdgpu_ring *ring)
67 {
68 	u64 wptr;
69 
70 	if (ring->use_doorbell)
71 		wptr = atomic64_read((atomic64_t *)ring->wptr_cpu_addr);
72 	else
73 		BUG();
74 	return wptr;
75 }
76 
77 static const struct amdgpu_ring_funcs mes_v11_0_ring_funcs = {
78 	.type = AMDGPU_RING_TYPE_MES,
79 	.align_mask = 1,
80 	.nop = 0,
81 	.support_64bit_ptrs = true,
82 	.get_rptr = mes_v11_0_ring_get_rptr,
83 	.get_wptr = mes_v11_0_ring_get_wptr,
84 	.set_wptr = mes_v11_0_ring_set_wptr,
85 	.insert_nop = amdgpu_ring_insert_nop,
86 };
87 
88 static int mes_v11_0_submit_pkt_and_poll_completion(struct amdgpu_mes *mes,
89 						    void *pkt, int size)
90 {
91 	int ndw = size / 4;
92 	signed long r;
93 	union MESAPI__ADD_QUEUE *x_pkt = pkt;
94 	struct amdgpu_device *adev = mes->adev;
95 	struct amdgpu_ring *ring = &mes->ring;
96 
97 	BUG_ON(size % 4 != 0);
98 
99 	if (amdgpu_ring_alloc(ring, ndw))
100 		return -ENOMEM;
101 
102 	amdgpu_ring_write_multiple(ring, pkt, ndw);
103 	amdgpu_ring_commit(ring);
104 
105 	DRM_DEBUG("MES msg=%d was emitted\n", x_pkt->header.opcode);
106 
107 	r = amdgpu_fence_wait_polling(ring, ring->fence_drv.sync_seq,
108 		      adev->usec_timeout * (amdgpu_emu_mode ? 100 : 1));
109 	if (r < 1) {
110 		DRM_ERROR("MES failed to response msg=%d\n",
111 			  x_pkt->header.opcode);
112 		return -ETIMEDOUT;
113 	}
114 
115 	return 0;
116 }
117 
118 static int convert_to_mes_queue_type(int queue_type)
119 {
120 	if (queue_type == AMDGPU_RING_TYPE_GFX)
121 		return MES_QUEUE_TYPE_GFX;
122 	else if (queue_type == AMDGPU_RING_TYPE_COMPUTE)
123 		return MES_QUEUE_TYPE_COMPUTE;
124 	else if (queue_type == AMDGPU_RING_TYPE_SDMA)
125 		return MES_QUEUE_TYPE_SDMA;
126 	else
127 		BUG();
128 	return -1;
129 }
130 
131 static int mes_v11_0_add_hw_queue(struct amdgpu_mes *mes,
132 				  struct mes_add_queue_input *input)
133 {
134 	struct amdgpu_device *adev = mes->adev;
135 	union MESAPI__ADD_QUEUE mes_add_queue_pkt;
136 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
137 	uint32_t vm_cntx_cntl = hub->vm_cntx_cntl;
138 
139 	memset(&mes_add_queue_pkt, 0, sizeof(mes_add_queue_pkt));
140 
141 	mes_add_queue_pkt.header.type = MES_API_TYPE_SCHEDULER;
142 	mes_add_queue_pkt.header.opcode = MES_SCH_API_ADD_QUEUE;
143 	mes_add_queue_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
144 
145 	mes_add_queue_pkt.process_id = input->process_id;
146 	mes_add_queue_pkt.page_table_base_addr = input->page_table_base_addr;
147 	mes_add_queue_pkt.process_va_start = input->process_va_start;
148 	mes_add_queue_pkt.process_va_end = input->process_va_end;
149 	mes_add_queue_pkt.process_quantum = input->process_quantum;
150 	mes_add_queue_pkt.process_context_addr = input->process_context_addr;
151 	mes_add_queue_pkt.gang_quantum = input->gang_quantum;
152 	mes_add_queue_pkt.gang_context_addr = input->gang_context_addr;
153 	mes_add_queue_pkt.inprocess_gang_priority =
154 		input->inprocess_gang_priority;
155 	mes_add_queue_pkt.gang_global_priority_level =
156 		input->gang_global_priority_level;
157 	mes_add_queue_pkt.doorbell_offset = input->doorbell_offset;
158 	mes_add_queue_pkt.mqd_addr = input->mqd_addr;
159 
160 	if (((adev->mes.sched_version & AMDGPU_MES_API_VERSION_MASK) >>
161 			AMDGPU_MES_API_VERSION_SHIFT) >= 2)
162 		mes_add_queue_pkt.wptr_addr = input->wptr_mc_addr;
163 	else
164 		mes_add_queue_pkt.wptr_addr = input->wptr_addr;
165 
166 	mes_add_queue_pkt.queue_type =
167 		convert_to_mes_queue_type(input->queue_type);
168 	mes_add_queue_pkt.paging = input->paging;
169 	mes_add_queue_pkt.vm_context_cntl = vm_cntx_cntl;
170 	mes_add_queue_pkt.gws_base = input->gws_base;
171 	mes_add_queue_pkt.gws_size = input->gws_size;
172 	mes_add_queue_pkt.trap_handler_addr = input->tba_addr;
173 	mes_add_queue_pkt.tma_addr = input->tma_addr;
174 	mes_add_queue_pkt.is_kfd_process = input->is_kfd_process;
175 
176 	mes_add_queue_pkt.api_status.api_completion_fence_addr =
177 		mes->ring.fence_drv.gpu_addr;
178 	mes_add_queue_pkt.api_status.api_completion_fence_value =
179 		++mes->ring.fence_drv.sync_seq;
180 
181 	return mes_v11_0_submit_pkt_and_poll_completion(mes,
182 			&mes_add_queue_pkt, sizeof(mes_add_queue_pkt));
183 }
184 
185 static int mes_v11_0_remove_hw_queue(struct amdgpu_mes *mes,
186 				     struct mes_remove_queue_input *input)
187 {
188 	union MESAPI__REMOVE_QUEUE mes_remove_queue_pkt;
189 
190 	memset(&mes_remove_queue_pkt, 0, sizeof(mes_remove_queue_pkt));
191 
192 	mes_remove_queue_pkt.header.type = MES_API_TYPE_SCHEDULER;
193 	mes_remove_queue_pkt.header.opcode = MES_SCH_API_REMOVE_QUEUE;
194 	mes_remove_queue_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
195 
196 	mes_remove_queue_pkt.doorbell_offset = input->doorbell_offset;
197 	mes_remove_queue_pkt.gang_context_addr = input->gang_context_addr;
198 
199 	mes_remove_queue_pkt.api_status.api_completion_fence_addr =
200 		mes->ring.fence_drv.gpu_addr;
201 	mes_remove_queue_pkt.api_status.api_completion_fence_value =
202 		++mes->ring.fence_drv.sync_seq;
203 
204 	return mes_v11_0_submit_pkt_and_poll_completion(mes,
205 			&mes_remove_queue_pkt, sizeof(mes_remove_queue_pkt));
206 }
207 
208 static int mes_v11_0_unmap_legacy_queue(struct amdgpu_mes *mes,
209 			struct mes_unmap_legacy_queue_input *input)
210 {
211 	union MESAPI__REMOVE_QUEUE mes_remove_queue_pkt;
212 
213 	memset(&mes_remove_queue_pkt, 0, sizeof(mes_remove_queue_pkt));
214 
215 	mes_remove_queue_pkt.header.type = MES_API_TYPE_SCHEDULER;
216 	mes_remove_queue_pkt.header.opcode = MES_SCH_API_REMOVE_QUEUE;
217 	mes_remove_queue_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
218 
219 	mes_remove_queue_pkt.doorbell_offset = input->doorbell_offset << 2;
220 	mes_remove_queue_pkt.gang_context_addr = 0;
221 
222 	mes_remove_queue_pkt.pipe_id = input->pipe_id;
223 	mes_remove_queue_pkt.queue_id = input->queue_id;
224 
225 	if (input->action == PREEMPT_QUEUES_NO_UNMAP) {
226 		mes_remove_queue_pkt.preempt_legacy_gfx_queue = 1;
227 		mes_remove_queue_pkt.tf_addr = input->trail_fence_addr;
228 		mes_remove_queue_pkt.tf_data =
229 			lower_32_bits(input->trail_fence_data);
230 	} else {
231 		if (input->queue_type == AMDGPU_RING_TYPE_GFX)
232 			mes_remove_queue_pkt.unmap_legacy_gfx_queue = 1;
233 		else
234 			mes_remove_queue_pkt.unmap_kiq_utility_queue = 1;
235 	}
236 
237 	mes_remove_queue_pkt.api_status.api_completion_fence_addr =
238 		mes->ring.fence_drv.gpu_addr;
239 	mes_remove_queue_pkt.api_status.api_completion_fence_value =
240 		++mes->ring.fence_drv.sync_seq;
241 
242 	return mes_v11_0_submit_pkt_and_poll_completion(mes,
243 			&mes_remove_queue_pkt, sizeof(mes_remove_queue_pkt));
244 }
245 
246 static int mes_v11_0_suspend_gang(struct amdgpu_mes *mes,
247 				  struct mes_suspend_gang_input *input)
248 {
249 	return 0;
250 }
251 
252 static int mes_v11_0_resume_gang(struct amdgpu_mes *mes,
253 				 struct mes_resume_gang_input *input)
254 {
255 	return 0;
256 }
257 
258 static int mes_v11_0_query_sched_status(struct amdgpu_mes *mes)
259 {
260 	union MESAPI__QUERY_MES_STATUS mes_status_pkt;
261 
262 	memset(&mes_status_pkt, 0, sizeof(mes_status_pkt));
263 
264 	mes_status_pkt.header.type = MES_API_TYPE_SCHEDULER;
265 	mes_status_pkt.header.opcode = MES_SCH_API_QUERY_SCHEDULER_STATUS;
266 	mes_status_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
267 
268 	mes_status_pkt.api_status.api_completion_fence_addr =
269 		mes->ring.fence_drv.gpu_addr;
270 	mes_status_pkt.api_status.api_completion_fence_value =
271 		++mes->ring.fence_drv.sync_seq;
272 
273 	return mes_v11_0_submit_pkt_and_poll_completion(mes,
274 			&mes_status_pkt, sizeof(mes_status_pkt));
275 }
276 
277 static int mes_v11_0_misc_op(struct amdgpu_mes *mes,
278 			     struct mes_misc_op_input *input)
279 {
280 	union MESAPI__MISC misc_pkt;
281 
282 	memset(&misc_pkt, 0, sizeof(misc_pkt));
283 
284 	misc_pkt.header.type = MES_API_TYPE_SCHEDULER;
285 	misc_pkt.header.opcode = MES_SCH_API_MISC;
286 	misc_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
287 
288 	switch (input->op) {
289 	case MES_MISC_OP_READ_REG:
290 		misc_pkt.opcode = MESAPI_MISC__READ_REG;
291 		misc_pkt.read_reg.reg_offset = input->read_reg.reg_offset;
292 		misc_pkt.read_reg.buffer_addr = input->read_reg.buffer_addr;
293 		break;
294 	case MES_MISC_OP_WRITE_REG:
295 		misc_pkt.opcode = MESAPI_MISC__WRITE_REG;
296 		misc_pkt.write_reg.reg_offset = input->write_reg.reg_offset;
297 		misc_pkt.write_reg.reg_value = input->write_reg.reg_value;
298 		break;
299 	case MES_MISC_OP_WRM_REG_WAIT:
300 		misc_pkt.opcode = MESAPI_MISC__WAIT_REG_MEM;
301 		misc_pkt.wait_reg_mem.op = WRM_OPERATION__WAIT_REG_MEM;
302 		misc_pkt.wait_reg_mem.reference = input->wrm_reg.ref;
303 		misc_pkt.wait_reg_mem.mask = input->wrm_reg.mask;
304 		misc_pkt.wait_reg_mem.reg_offset1 = input->wrm_reg.reg0;
305 		misc_pkt.wait_reg_mem.reg_offset2 = 0;
306 		break;
307 	case MES_MISC_OP_WRM_REG_WR_WAIT:
308 		misc_pkt.opcode = MESAPI_MISC__WAIT_REG_MEM;
309 		misc_pkt.wait_reg_mem.op = WRM_OPERATION__WR_WAIT_WR_REG;
310 		misc_pkt.wait_reg_mem.reference = input->wrm_reg.ref;
311 		misc_pkt.wait_reg_mem.mask = input->wrm_reg.mask;
312 		misc_pkt.wait_reg_mem.reg_offset1 = input->wrm_reg.reg0;
313 		misc_pkt.wait_reg_mem.reg_offset2 = input->wrm_reg.reg1;
314 		break;
315 	default:
316 		DRM_ERROR("unsupported misc op (%d) \n", input->op);
317 		return -EINVAL;
318 	}
319 
320 	misc_pkt.api_status.api_completion_fence_addr =
321 		mes->ring.fence_drv.gpu_addr;
322 	misc_pkt.api_status.api_completion_fence_value =
323 		++mes->ring.fence_drv.sync_seq;
324 
325 	return mes_v11_0_submit_pkt_and_poll_completion(mes,
326 			&misc_pkt, sizeof(misc_pkt));
327 }
328 
329 static int mes_v11_0_set_hw_resources(struct amdgpu_mes *mes)
330 {
331 	int i;
332 	struct amdgpu_device *adev = mes->adev;
333 	union MESAPI_SET_HW_RESOURCES mes_set_hw_res_pkt;
334 
335 	memset(&mes_set_hw_res_pkt, 0, sizeof(mes_set_hw_res_pkt));
336 
337 	mes_set_hw_res_pkt.header.type = MES_API_TYPE_SCHEDULER;
338 	mes_set_hw_res_pkt.header.opcode = MES_SCH_API_SET_HW_RSRC;
339 	mes_set_hw_res_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
340 
341 	mes_set_hw_res_pkt.vmid_mask_mmhub = mes->vmid_mask_mmhub;
342 	mes_set_hw_res_pkt.vmid_mask_gfxhub = mes->vmid_mask_gfxhub;
343 	mes_set_hw_res_pkt.gds_size = adev->gds.gds_size;
344 	mes_set_hw_res_pkt.paging_vmid = 0;
345 	mes_set_hw_res_pkt.g_sch_ctx_gpu_mc_ptr = mes->sch_ctx_gpu_addr;
346 	mes_set_hw_res_pkt.query_status_fence_gpu_mc_ptr =
347 		mes->query_status_fence_gpu_addr;
348 
349 	for (i = 0; i < MAX_COMPUTE_PIPES; i++)
350 		mes_set_hw_res_pkt.compute_hqd_mask[i] =
351 			mes->compute_hqd_mask[i];
352 
353 	for (i = 0; i < MAX_GFX_PIPES; i++)
354 		mes_set_hw_res_pkt.gfx_hqd_mask[i] = mes->gfx_hqd_mask[i];
355 
356 	for (i = 0; i < MAX_SDMA_PIPES; i++)
357 		mes_set_hw_res_pkt.sdma_hqd_mask[i] = mes->sdma_hqd_mask[i];
358 
359 	for (i = 0; i < AMD_PRIORITY_NUM_LEVELS; i++)
360 		mes_set_hw_res_pkt.aggregated_doorbells[i] =
361 			mes->agreegated_doorbells[i];
362 
363 	for (i = 0; i < 5; i++) {
364 		mes_set_hw_res_pkt.gc_base[i] = adev->reg_offset[GC_HWIP][0][i];
365 		mes_set_hw_res_pkt.mmhub_base[i] =
366 				adev->reg_offset[MMHUB_HWIP][0][i];
367 		mes_set_hw_res_pkt.osssys_base[i] =
368 		adev->reg_offset[OSSSYS_HWIP][0][i];
369 	}
370 
371 	mes_set_hw_res_pkt.disable_reset = 1;
372 	mes_set_hw_res_pkt.disable_mes_log = 1;
373 	mes_set_hw_res_pkt.use_different_vmid_compute = 1;
374 	mes_set_hw_res_pkt.oversubscription_timer = 50;
375 
376 	mes_set_hw_res_pkt.api_status.api_completion_fence_addr =
377 		mes->ring.fence_drv.gpu_addr;
378 	mes_set_hw_res_pkt.api_status.api_completion_fence_value =
379 		++mes->ring.fence_drv.sync_seq;
380 
381 	return mes_v11_0_submit_pkt_and_poll_completion(mes,
382 			&mes_set_hw_res_pkt, sizeof(mes_set_hw_res_pkt));
383 }
384 
385 static const struct amdgpu_mes_funcs mes_v11_0_funcs = {
386 	.add_hw_queue = mes_v11_0_add_hw_queue,
387 	.remove_hw_queue = mes_v11_0_remove_hw_queue,
388 	.unmap_legacy_queue = mes_v11_0_unmap_legacy_queue,
389 	.suspend_gang = mes_v11_0_suspend_gang,
390 	.resume_gang = mes_v11_0_resume_gang,
391 	.misc_op = mes_v11_0_misc_op,
392 };
393 
394 static int mes_v11_0_init_microcode(struct amdgpu_device *adev,
395 				    enum admgpu_mes_pipe pipe)
396 {
397 	char fw_name[30];
398 	char ucode_prefix[30];
399 	int err;
400 	const struct mes_firmware_header_v1_0 *mes_hdr;
401 	struct amdgpu_firmware_info *info;
402 
403 	amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
404 
405 	if (pipe == AMDGPU_MES_SCHED_PIPE)
406 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mes.bin",
407 			 ucode_prefix);
408 	else
409 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mes1.bin",
410 			 ucode_prefix);
411 
412 	err = request_firmware(&adev->mes.fw[pipe], fw_name, adev->dev);
413 	if (err)
414 		return err;
415 
416 	err = amdgpu_ucode_validate(adev->mes.fw[pipe]);
417 	if (err) {
418 		release_firmware(adev->mes.fw[pipe]);
419 		adev->mes.fw[pipe] = NULL;
420 		return err;
421 	}
422 
423 	mes_hdr = (const struct mes_firmware_header_v1_0 *)
424 		adev->mes.fw[pipe]->data;
425 	adev->mes.ucode_fw_version[pipe] =
426 		le32_to_cpu(mes_hdr->mes_ucode_version);
427 	adev->mes.ucode_fw_version[pipe] =
428 		le32_to_cpu(mes_hdr->mes_ucode_data_version);
429 	adev->mes.uc_start_addr[pipe] =
430 		le32_to_cpu(mes_hdr->mes_uc_start_addr_lo) |
431 		((uint64_t)(le32_to_cpu(mes_hdr->mes_uc_start_addr_hi)) << 32);
432 	adev->mes.data_start_addr[pipe] =
433 		le32_to_cpu(mes_hdr->mes_data_start_addr_lo) |
434 		((uint64_t)(le32_to_cpu(mes_hdr->mes_data_start_addr_hi)) << 32);
435 
436 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
437 		int ucode, ucode_data;
438 
439 		if (pipe == AMDGPU_MES_SCHED_PIPE) {
440 			ucode = AMDGPU_UCODE_ID_CP_MES;
441 			ucode_data = AMDGPU_UCODE_ID_CP_MES_DATA;
442 		} else {
443 			ucode = AMDGPU_UCODE_ID_CP_MES1;
444 			ucode_data = AMDGPU_UCODE_ID_CP_MES1_DATA;
445 		}
446 
447 		info = &adev->firmware.ucode[ucode];
448 		info->ucode_id = ucode;
449 		info->fw = adev->mes.fw[pipe];
450 		adev->firmware.fw_size +=
451 			ALIGN(le32_to_cpu(mes_hdr->mes_ucode_size_bytes),
452 			      PAGE_SIZE);
453 
454 		info = &adev->firmware.ucode[ucode_data];
455 		info->ucode_id = ucode_data;
456 		info->fw = adev->mes.fw[pipe];
457 		adev->firmware.fw_size +=
458 			ALIGN(le32_to_cpu(mes_hdr->mes_ucode_data_size_bytes),
459 			      PAGE_SIZE);
460 	}
461 
462 	return 0;
463 }
464 
465 static void mes_v11_0_free_microcode(struct amdgpu_device *adev,
466 				     enum admgpu_mes_pipe pipe)
467 {
468 	release_firmware(adev->mes.fw[pipe]);
469 	adev->mes.fw[pipe] = NULL;
470 }
471 
472 static int mes_v11_0_allocate_ucode_buffer(struct amdgpu_device *adev,
473 					   enum admgpu_mes_pipe pipe)
474 {
475 	int r;
476 	const struct mes_firmware_header_v1_0 *mes_hdr;
477 	const __le32 *fw_data;
478 	unsigned fw_size;
479 
480 	mes_hdr = (const struct mes_firmware_header_v1_0 *)
481 		adev->mes.fw[pipe]->data;
482 
483 	fw_data = (const __le32 *)(adev->mes.fw[pipe]->data +
484 		   le32_to_cpu(mes_hdr->mes_ucode_offset_bytes));
485 	fw_size = le32_to_cpu(mes_hdr->mes_ucode_size_bytes);
486 
487 	r = amdgpu_bo_create_reserved(adev, fw_size,
488 				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
489 				      &adev->mes.ucode_fw_obj[pipe],
490 				      &adev->mes.ucode_fw_gpu_addr[pipe],
491 				      (void **)&adev->mes.ucode_fw_ptr[pipe]);
492 	if (r) {
493 		dev_err(adev->dev, "(%d) failed to create mes fw bo\n", r);
494 		return r;
495 	}
496 
497 	memcpy(adev->mes.ucode_fw_ptr[pipe], fw_data, fw_size);
498 
499 	amdgpu_bo_kunmap(adev->mes.ucode_fw_obj[pipe]);
500 	amdgpu_bo_unreserve(adev->mes.ucode_fw_obj[pipe]);
501 
502 	return 0;
503 }
504 
505 static int mes_v11_0_allocate_ucode_data_buffer(struct amdgpu_device *adev,
506 						enum admgpu_mes_pipe pipe)
507 {
508 	int r;
509 	const struct mes_firmware_header_v1_0 *mes_hdr;
510 	const __le32 *fw_data;
511 	unsigned fw_size;
512 
513 	mes_hdr = (const struct mes_firmware_header_v1_0 *)
514 		adev->mes.fw[pipe]->data;
515 
516 	fw_data = (const __le32 *)(adev->mes.fw[pipe]->data +
517 		   le32_to_cpu(mes_hdr->mes_ucode_data_offset_bytes));
518 	fw_size = le32_to_cpu(mes_hdr->mes_ucode_data_size_bytes);
519 
520 	r = amdgpu_bo_create_reserved(adev, fw_size,
521 				      64 * 1024, AMDGPU_GEM_DOMAIN_VRAM,
522 				      &adev->mes.data_fw_obj[pipe],
523 				      &adev->mes.data_fw_gpu_addr[pipe],
524 				      (void **)&adev->mes.data_fw_ptr[pipe]);
525 	if (r) {
526 		dev_err(adev->dev, "(%d) failed to create mes data fw bo\n", r);
527 		return r;
528 	}
529 
530 	memcpy(adev->mes.data_fw_ptr[pipe], fw_data, fw_size);
531 
532 	amdgpu_bo_kunmap(adev->mes.data_fw_obj[pipe]);
533 	amdgpu_bo_unreserve(adev->mes.data_fw_obj[pipe]);
534 
535 	return 0;
536 }
537 
538 static void mes_v11_0_free_ucode_buffers(struct amdgpu_device *adev,
539 					 enum admgpu_mes_pipe pipe)
540 {
541 	amdgpu_bo_free_kernel(&adev->mes.data_fw_obj[pipe],
542 			      &adev->mes.data_fw_gpu_addr[pipe],
543 			      (void **)&adev->mes.data_fw_ptr[pipe]);
544 
545 	amdgpu_bo_free_kernel(&adev->mes.ucode_fw_obj[pipe],
546 			      &adev->mes.ucode_fw_gpu_addr[pipe],
547 			      (void **)&adev->mes.ucode_fw_ptr[pipe]);
548 }
549 
550 static void mes_v11_0_enable(struct amdgpu_device *adev, bool enable)
551 {
552 	uint64_t ucode_addr;
553 	uint32_t pipe, data = 0;
554 
555 	if (enable) {
556 		data = RREG32_SOC15(GC, 0, regCP_MES_CNTL);
557 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_RESET, 1);
558 		data = REG_SET_FIELD(data, CP_MES_CNTL,
559 			     MES_PIPE1_RESET, adev->enable_mes_kiq ? 1 : 0);
560 		WREG32_SOC15(GC, 0, regCP_MES_CNTL, data);
561 
562 		mutex_lock(&adev->srbm_mutex);
563 		for (pipe = 0; pipe < AMDGPU_MAX_MES_PIPES; pipe++) {
564 			if (!adev->enable_mes_kiq &&
565 			    pipe == AMDGPU_MES_KIQ_PIPE)
566 				continue;
567 
568 			soc21_grbm_select(adev, 3, pipe, 0, 0);
569 
570 			ucode_addr = adev->mes.uc_start_addr[pipe] >> 2;
571 			WREG32_SOC15(GC, 0, regCP_MES_PRGRM_CNTR_START,
572 				     lower_32_bits(ucode_addr));
573 			WREG32_SOC15(GC, 0, regCP_MES_PRGRM_CNTR_START_HI,
574 				     upper_32_bits(ucode_addr));
575 		}
576 		soc21_grbm_select(adev, 0, 0, 0, 0);
577 		mutex_unlock(&adev->srbm_mutex);
578 
579 		/* unhalt MES and activate pipe0 */
580 		data = REG_SET_FIELD(0, CP_MES_CNTL, MES_PIPE0_ACTIVE, 1);
581 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE1_ACTIVE,
582 				     adev->enable_mes_kiq ? 1 : 0);
583 		WREG32_SOC15(GC, 0, regCP_MES_CNTL, data);
584 
585 		if (amdgpu_emu_mode)
586 			msleep(100);
587 		else
588 			udelay(50);
589 	} else {
590 		data = RREG32_SOC15(GC, 0, regCP_MES_CNTL);
591 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_ACTIVE, 0);
592 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE1_ACTIVE, 0);
593 		data = REG_SET_FIELD(data, CP_MES_CNTL,
594 				     MES_INVALIDATE_ICACHE, 1);
595 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_RESET, 1);
596 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE1_RESET,
597 				     adev->enable_mes_kiq ? 1 : 0);
598 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_HALT, 1);
599 		WREG32_SOC15(GC, 0, regCP_MES_CNTL, data);
600 	}
601 }
602 
603 /* This function is for backdoor MES firmware */
604 static int mes_v11_0_load_microcode(struct amdgpu_device *adev,
605 				    enum admgpu_mes_pipe pipe, bool prime_icache)
606 {
607 	int r;
608 	uint32_t data;
609 	uint64_t ucode_addr;
610 
611 	mes_v11_0_enable(adev, false);
612 
613 	if (!adev->mes.fw[pipe])
614 		return -EINVAL;
615 
616 	r = mes_v11_0_allocate_ucode_buffer(adev, pipe);
617 	if (r)
618 		return r;
619 
620 	r = mes_v11_0_allocate_ucode_data_buffer(adev, pipe);
621 	if (r) {
622 		mes_v11_0_free_ucode_buffers(adev, pipe);
623 		return r;
624 	}
625 
626 	mutex_lock(&adev->srbm_mutex);
627 	/* me=3, pipe=0, queue=0 */
628 	soc21_grbm_select(adev, 3, pipe, 0, 0);
629 
630 	WREG32_SOC15(GC, 0, regCP_MES_IC_BASE_CNTL, 0);
631 
632 	/* set ucode start address */
633 	ucode_addr = adev->mes.uc_start_addr[pipe] >> 2;
634 	WREG32_SOC15(GC, 0, regCP_MES_PRGRM_CNTR_START,
635 		     lower_32_bits(ucode_addr));
636 	WREG32_SOC15(GC, 0, regCP_MES_PRGRM_CNTR_START_HI,
637 		     upper_32_bits(ucode_addr));
638 
639 	/* set ucode fimrware address */
640 	WREG32_SOC15(GC, 0, regCP_MES_IC_BASE_LO,
641 		     lower_32_bits(adev->mes.ucode_fw_gpu_addr[pipe]));
642 	WREG32_SOC15(GC, 0, regCP_MES_IC_BASE_HI,
643 		     upper_32_bits(adev->mes.ucode_fw_gpu_addr[pipe]));
644 
645 	/* set ucode instruction cache boundary to 2M-1 */
646 	WREG32_SOC15(GC, 0, regCP_MES_MIBOUND_LO, 0x1FFFFF);
647 
648 	/* set ucode data firmware address */
649 	WREG32_SOC15(GC, 0, regCP_MES_MDBASE_LO,
650 		     lower_32_bits(adev->mes.data_fw_gpu_addr[pipe]));
651 	WREG32_SOC15(GC, 0, regCP_MES_MDBASE_HI,
652 		     upper_32_bits(adev->mes.data_fw_gpu_addr[pipe]));
653 
654 	/* Set 0x3FFFF (256K-1) to CP_MES_MDBOUND_LO */
655 	WREG32_SOC15(GC, 0, regCP_MES_MDBOUND_LO, 0x3FFFF);
656 
657 	if (prime_icache) {
658 		/* invalidate ICACHE */
659 		data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
660 		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
661 		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
662 		WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
663 
664 		/* prime the ICACHE. */
665 		data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
666 		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
667 		WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
668 	}
669 
670 	soc21_grbm_select(adev, 0, 0, 0, 0);
671 	mutex_unlock(&adev->srbm_mutex);
672 
673 	return 0;
674 }
675 
676 static int mes_v11_0_allocate_eop_buf(struct amdgpu_device *adev,
677 				      enum admgpu_mes_pipe pipe)
678 {
679 	int r;
680 	u32 *eop;
681 
682 	r = amdgpu_bo_create_reserved(adev, MES_EOP_SIZE, PAGE_SIZE,
683 			      AMDGPU_GEM_DOMAIN_GTT,
684 			      &adev->mes.eop_gpu_obj[pipe],
685 			      &adev->mes.eop_gpu_addr[pipe],
686 			      (void **)&eop);
687 	if (r) {
688 		dev_warn(adev->dev, "(%d) create EOP bo failed\n", r);
689 		return r;
690 	}
691 
692 	memset(eop, 0,
693 	       adev->mes.eop_gpu_obj[pipe]->tbo.base.size);
694 
695 	amdgpu_bo_kunmap(adev->mes.eop_gpu_obj[pipe]);
696 	amdgpu_bo_unreserve(adev->mes.eop_gpu_obj[pipe]);
697 
698 	return 0;
699 }
700 
701 static int mes_v11_0_mqd_init(struct amdgpu_ring *ring)
702 {
703 	struct v11_compute_mqd *mqd = ring->mqd_ptr;
704 	uint64_t hqd_gpu_addr, wb_gpu_addr, eop_base_addr;
705 	uint32_t tmp;
706 
707 	mqd->header = 0xC0310800;
708 	mqd->compute_pipelinestat_enable = 0x00000001;
709 	mqd->compute_static_thread_mgmt_se0 = 0xffffffff;
710 	mqd->compute_static_thread_mgmt_se1 = 0xffffffff;
711 	mqd->compute_static_thread_mgmt_se2 = 0xffffffff;
712 	mqd->compute_static_thread_mgmt_se3 = 0xffffffff;
713 	mqd->compute_misc_reserved = 0x00000007;
714 
715 	eop_base_addr = ring->eop_gpu_addr >> 8;
716 
717 	/* set the EOP size, register value is 2^(EOP_SIZE+1) dwords */
718 	tmp = regCP_HQD_EOP_CONTROL_DEFAULT;
719 	tmp = REG_SET_FIELD(tmp, CP_HQD_EOP_CONTROL, EOP_SIZE,
720 			(order_base_2(MES_EOP_SIZE / 4) - 1));
721 
722 	mqd->cp_hqd_eop_base_addr_lo = lower_32_bits(eop_base_addr);
723 	mqd->cp_hqd_eop_base_addr_hi = upper_32_bits(eop_base_addr);
724 	mqd->cp_hqd_eop_control = tmp;
725 
726 	/* disable the queue if it's active */
727 	ring->wptr = 0;
728 	mqd->cp_hqd_pq_rptr = 0;
729 	mqd->cp_hqd_pq_wptr_lo = 0;
730 	mqd->cp_hqd_pq_wptr_hi = 0;
731 
732 	/* set the pointer to the MQD */
733 	mqd->cp_mqd_base_addr_lo = ring->mqd_gpu_addr & 0xfffffffc;
734 	mqd->cp_mqd_base_addr_hi = upper_32_bits(ring->mqd_gpu_addr);
735 
736 	/* set MQD vmid to 0 */
737 	tmp = regCP_MQD_CONTROL_DEFAULT;
738 	tmp = REG_SET_FIELD(tmp, CP_MQD_CONTROL, VMID, 0);
739 	mqd->cp_mqd_control = tmp;
740 
741 	/* set the pointer to the HQD, this is similar CP_RB0_BASE/_HI */
742 	hqd_gpu_addr = ring->gpu_addr >> 8;
743 	mqd->cp_hqd_pq_base_lo = lower_32_bits(hqd_gpu_addr);
744 	mqd->cp_hqd_pq_base_hi = upper_32_bits(hqd_gpu_addr);
745 
746 	/* set the wb address whether it's enabled or not */
747 	wb_gpu_addr = ring->rptr_gpu_addr;
748 	mqd->cp_hqd_pq_rptr_report_addr_lo = wb_gpu_addr & 0xfffffffc;
749 	mqd->cp_hqd_pq_rptr_report_addr_hi =
750 		upper_32_bits(wb_gpu_addr) & 0xffff;
751 
752 	/* only used if CP_PQ_WPTR_POLL_CNTL.CP_PQ_WPTR_POLL_CNTL__EN_MASK=1 */
753 	wb_gpu_addr = ring->wptr_gpu_addr;
754 	mqd->cp_hqd_pq_wptr_poll_addr_lo = wb_gpu_addr & 0xfffffff8;
755 	mqd->cp_hqd_pq_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr) & 0xffff;
756 
757 	/* set up the HQD, this is similar to CP_RB0_CNTL */
758 	tmp = regCP_HQD_PQ_CONTROL_DEFAULT;
759 	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, QUEUE_SIZE,
760 			    (order_base_2(ring->ring_size / 4) - 1));
761 	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, RPTR_BLOCK_SIZE,
762 			    ((order_base_2(AMDGPU_GPU_PAGE_SIZE / 4) - 1) << 8));
763 	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, UNORD_DISPATCH, 1);
764 	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, TUNNEL_DISPATCH, 0);
765 	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, PRIV_STATE, 1);
766 	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, KMD_QUEUE, 1);
767 	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, NO_UPDATE_RPTR, 1);
768 	mqd->cp_hqd_pq_control = tmp;
769 
770 	/* enable doorbell */
771 	tmp = 0;
772 	if (ring->use_doorbell) {
773 		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL,
774 				    DOORBELL_OFFSET, ring->doorbell_index);
775 		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL,
776 				    DOORBELL_EN, 1);
777 		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL,
778 				    DOORBELL_SOURCE, 0);
779 		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL,
780 				    DOORBELL_HIT, 0);
781 	}
782 	else
783 		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL,
784 				    DOORBELL_EN, 0);
785 	mqd->cp_hqd_pq_doorbell_control = tmp;
786 
787 	mqd->cp_hqd_vmid = 0;
788 	/* activate the queue */
789 	mqd->cp_hqd_active = 1;
790 
791 	tmp = regCP_HQD_PERSISTENT_STATE_DEFAULT;
792 	tmp = REG_SET_FIELD(tmp, CP_HQD_PERSISTENT_STATE,
793 			    PRELOAD_SIZE, 0x55);
794 	mqd->cp_hqd_persistent_state = tmp;
795 
796 	mqd->cp_hqd_ib_control = regCP_HQD_IB_CONTROL_DEFAULT;
797 	mqd->cp_hqd_iq_timer = regCP_HQD_IQ_TIMER_DEFAULT;
798 	mqd->cp_hqd_quantum = regCP_HQD_QUANTUM_DEFAULT;
799 
800 	return 0;
801 }
802 
803 static void mes_v11_0_queue_init_register(struct amdgpu_ring *ring)
804 {
805 	struct v11_compute_mqd *mqd = ring->mqd_ptr;
806 	struct amdgpu_device *adev = ring->adev;
807 	uint32_t data = 0;
808 
809 	mutex_lock(&adev->srbm_mutex);
810 	soc21_grbm_select(adev, 3, ring->pipe, 0, 0);
811 
812 	/* set CP_HQD_VMID.VMID = 0. */
813 	data = RREG32_SOC15(GC, 0, regCP_HQD_VMID);
814 	data = REG_SET_FIELD(data, CP_HQD_VMID, VMID, 0);
815 	WREG32_SOC15(GC, 0, regCP_HQD_VMID, data);
816 
817 	/* set CP_HQD_PQ_DOORBELL_CONTROL.DOORBELL_EN=0 */
818 	data = RREG32_SOC15(GC, 0, regCP_HQD_PQ_DOORBELL_CONTROL);
819 	data = REG_SET_FIELD(data, CP_HQD_PQ_DOORBELL_CONTROL,
820 			     DOORBELL_EN, 0);
821 	WREG32_SOC15(GC, 0, regCP_HQD_PQ_DOORBELL_CONTROL, data);
822 
823 	/* set CP_MQD_BASE_ADDR/HI with the MQD base address */
824 	WREG32_SOC15(GC, 0, regCP_MQD_BASE_ADDR, mqd->cp_mqd_base_addr_lo);
825 	WREG32_SOC15(GC, 0, regCP_MQD_BASE_ADDR_HI, mqd->cp_mqd_base_addr_hi);
826 
827 	/* set CP_MQD_CONTROL.VMID=0 */
828 	data = RREG32_SOC15(GC, 0, regCP_MQD_CONTROL);
829 	data = REG_SET_FIELD(data, CP_MQD_CONTROL, VMID, 0);
830 	WREG32_SOC15(GC, 0, regCP_MQD_CONTROL, 0);
831 
832 	/* set CP_HQD_PQ_BASE/HI with the ring buffer base address */
833 	WREG32_SOC15(GC, 0, regCP_HQD_PQ_BASE, mqd->cp_hqd_pq_base_lo);
834 	WREG32_SOC15(GC, 0, regCP_HQD_PQ_BASE_HI, mqd->cp_hqd_pq_base_hi);
835 
836 	/* set CP_HQD_PQ_RPTR_REPORT_ADDR/HI */
837 	WREG32_SOC15(GC, 0, regCP_HQD_PQ_RPTR_REPORT_ADDR,
838 		     mqd->cp_hqd_pq_rptr_report_addr_lo);
839 	WREG32_SOC15(GC, 0, regCP_HQD_PQ_RPTR_REPORT_ADDR_HI,
840 		     mqd->cp_hqd_pq_rptr_report_addr_hi);
841 
842 	/* set CP_HQD_PQ_CONTROL */
843 	WREG32_SOC15(GC, 0, regCP_HQD_PQ_CONTROL, mqd->cp_hqd_pq_control);
844 
845 	/* set CP_HQD_PQ_WPTR_POLL_ADDR/HI */
846 	WREG32_SOC15(GC, 0, regCP_HQD_PQ_WPTR_POLL_ADDR,
847 		     mqd->cp_hqd_pq_wptr_poll_addr_lo);
848 	WREG32_SOC15(GC, 0, regCP_HQD_PQ_WPTR_POLL_ADDR_HI,
849 		     mqd->cp_hqd_pq_wptr_poll_addr_hi);
850 
851 	/* set CP_HQD_PQ_DOORBELL_CONTROL */
852 	WREG32_SOC15(GC, 0, regCP_HQD_PQ_DOORBELL_CONTROL,
853 		     mqd->cp_hqd_pq_doorbell_control);
854 
855 	/* set CP_HQD_PERSISTENT_STATE.PRELOAD_SIZE=0x53 */
856 	WREG32_SOC15(GC, 0, regCP_HQD_PERSISTENT_STATE, mqd->cp_hqd_persistent_state);
857 
858 	/* set CP_HQD_ACTIVE.ACTIVE=1 */
859 	WREG32_SOC15(GC, 0, regCP_HQD_ACTIVE, mqd->cp_hqd_active);
860 
861 	soc21_grbm_select(adev, 0, 0, 0, 0);
862 	mutex_unlock(&adev->srbm_mutex);
863 }
864 
865 static int mes_v11_0_kiq_enable_queue(struct amdgpu_device *adev)
866 {
867 	struct amdgpu_kiq *kiq = &adev->gfx.kiq;
868 	struct amdgpu_ring *kiq_ring = &adev->gfx.kiq.ring;
869 	int r;
870 
871 	if (!kiq->pmf || !kiq->pmf->kiq_map_queues)
872 		return -EINVAL;
873 
874 	r = amdgpu_ring_alloc(kiq_ring, kiq->pmf->map_queues_size);
875 	if (r) {
876 		DRM_ERROR("Failed to lock KIQ (%d).\n", r);
877 		return r;
878 	}
879 
880 	kiq->pmf->kiq_map_queues(kiq_ring, &adev->mes.ring);
881 
882 	r = amdgpu_ring_test_ring(kiq_ring);
883 	if (r) {
884 		DRM_ERROR("kfq enable failed\n");
885 		kiq_ring->sched.ready = false;
886 	}
887 	return r;
888 }
889 
890 static int mes_v11_0_queue_init(struct amdgpu_device *adev,
891 				enum admgpu_mes_pipe pipe)
892 {
893 	struct amdgpu_ring *ring;
894 	int r;
895 
896 	if (pipe == AMDGPU_MES_KIQ_PIPE)
897 		ring = &adev->gfx.kiq.ring;
898 	else if (pipe == AMDGPU_MES_SCHED_PIPE)
899 		ring = &adev->mes.ring;
900 	else
901 		BUG();
902 
903 	if ((pipe == AMDGPU_MES_SCHED_PIPE) &&
904 	    (amdgpu_in_reset(adev) || adev->in_suspend)) {
905 		*(ring->wptr_cpu_addr) = 0;
906 		*(ring->rptr_cpu_addr) = 0;
907 		amdgpu_ring_clear_ring(ring);
908 	}
909 
910 	r = mes_v11_0_mqd_init(ring);
911 	if (r)
912 		return r;
913 
914 	if (pipe == AMDGPU_MES_SCHED_PIPE) {
915 		r = mes_v11_0_kiq_enable_queue(adev);
916 		if (r)
917 			return r;
918 	} else {
919 		mes_v11_0_queue_init_register(ring);
920 	}
921 
922 	/* get MES scheduler/KIQ versions */
923 	mutex_lock(&adev->srbm_mutex);
924 	soc21_grbm_select(adev, 3, pipe, 0, 0);
925 
926 	if (pipe == AMDGPU_MES_SCHED_PIPE)
927 		adev->mes.sched_version = RREG32_SOC15(GC, 0, regCP_MES_GP3_LO);
928 	else if (pipe == AMDGPU_MES_KIQ_PIPE && adev->enable_mes_kiq)
929 		adev->mes.kiq_version = RREG32_SOC15(GC, 0, regCP_MES_GP3_LO);
930 
931 	soc21_grbm_select(adev, 0, 0, 0, 0);
932 	mutex_unlock(&adev->srbm_mutex);
933 
934 	return 0;
935 }
936 
937 static int mes_v11_0_ring_init(struct amdgpu_device *adev)
938 {
939 	struct amdgpu_ring *ring;
940 
941 	ring = &adev->mes.ring;
942 
943 	ring->funcs = &mes_v11_0_ring_funcs;
944 
945 	ring->me = 3;
946 	ring->pipe = 0;
947 	ring->queue = 0;
948 
949 	ring->ring_obj = NULL;
950 	ring->use_doorbell = true;
951 	ring->doorbell_index = adev->doorbell_index.mes_ring0 << 1;
952 	ring->eop_gpu_addr = adev->mes.eop_gpu_addr[AMDGPU_MES_SCHED_PIPE];
953 	ring->no_scheduler = true;
954 	sprintf(ring->name, "mes_%d.%d.%d", ring->me, ring->pipe, ring->queue);
955 
956 	return amdgpu_ring_init(adev, ring, 1024, NULL, 0,
957 				AMDGPU_RING_PRIO_DEFAULT, NULL);
958 }
959 
960 static int mes_v11_0_kiq_ring_init(struct amdgpu_device *adev)
961 {
962 	struct amdgpu_ring *ring;
963 
964 	spin_lock_init(&adev->gfx.kiq.ring_lock);
965 
966 	ring = &adev->gfx.kiq.ring;
967 
968 	ring->me = 3;
969 	ring->pipe = 1;
970 	ring->queue = 0;
971 
972 	ring->adev = NULL;
973 	ring->ring_obj = NULL;
974 	ring->use_doorbell = true;
975 	ring->doorbell_index = adev->doorbell_index.mes_ring1 << 1;
976 	ring->eop_gpu_addr = adev->mes.eop_gpu_addr[AMDGPU_MES_KIQ_PIPE];
977 	ring->no_scheduler = true;
978 	sprintf(ring->name, "mes_kiq_%d.%d.%d",
979 		ring->me, ring->pipe, ring->queue);
980 
981 	return amdgpu_ring_init(adev, ring, 1024, NULL, 0,
982 				AMDGPU_RING_PRIO_DEFAULT, NULL);
983 }
984 
985 static int mes_v11_0_mqd_sw_init(struct amdgpu_device *adev,
986 				 enum admgpu_mes_pipe pipe)
987 {
988 	int r, mqd_size = sizeof(struct v11_compute_mqd);
989 	struct amdgpu_ring *ring;
990 
991 	if (pipe == AMDGPU_MES_KIQ_PIPE)
992 		ring = &adev->gfx.kiq.ring;
993 	else if (pipe == AMDGPU_MES_SCHED_PIPE)
994 		ring = &adev->mes.ring;
995 	else
996 		BUG();
997 
998 	if (ring->mqd_obj)
999 		return 0;
1000 
1001 	r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
1002 				    AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
1003 				    &ring->mqd_gpu_addr, &ring->mqd_ptr);
1004 	if (r) {
1005 		dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
1006 		return r;
1007 	}
1008 
1009 	memset(ring->mqd_ptr, 0, mqd_size);
1010 
1011 	/* prepare MQD backup */
1012 	adev->mes.mqd_backup[pipe] = kmalloc(mqd_size, GFP_KERNEL);
1013 	if (!adev->mes.mqd_backup[pipe])
1014 		dev_warn(adev->dev,
1015 			 "no memory to create MQD backup for ring %s\n",
1016 			 ring->name);
1017 
1018 	return 0;
1019 }
1020 
1021 static int mes_v11_0_sw_init(void *handle)
1022 {
1023 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1024 	int pipe, r;
1025 
1026 	adev->mes.adev = adev;
1027 	adev->mes.funcs = &mes_v11_0_funcs;
1028 	adev->mes.kiq_hw_init = &mes_v11_0_kiq_hw_init;
1029 	adev->mes.kiq_hw_fini = &mes_v11_0_kiq_hw_fini;
1030 
1031 	r = amdgpu_mes_init(adev);
1032 	if (r)
1033 		return r;
1034 
1035 	for (pipe = 0; pipe < AMDGPU_MAX_MES_PIPES; pipe++) {
1036 		if (!adev->enable_mes_kiq && pipe == AMDGPU_MES_KIQ_PIPE)
1037 			continue;
1038 
1039 		r = mes_v11_0_init_microcode(adev, pipe);
1040 		if (r)
1041 			return r;
1042 
1043 		r = mes_v11_0_allocate_eop_buf(adev, pipe);
1044 		if (r)
1045 			return r;
1046 
1047 		r = mes_v11_0_mqd_sw_init(adev, pipe);
1048 		if (r)
1049 			return r;
1050 	}
1051 
1052 	if (adev->enable_mes_kiq) {
1053 		r = mes_v11_0_kiq_ring_init(adev);
1054 		if (r)
1055 			return r;
1056 	}
1057 
1058 	r = mes_v11_0_ring_init(adev);
1059 	if (r)
1060 		return r;
1061 
1062 	return 0;
1063 }
1064 
1065 static int mes_v11_0_sw_fini(void *handle)
1066 {
1067 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1068 	int pipe;
1069 
1070 	amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs);
1071 	amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs);
1072 
1073 	for (pipe = 0; pipe < AMDGPU_MAX_MES_PIPES; pipe++) {
1074 		kfree(adev->mes.mqd_backup[pipe]);
1075 
1076 		amdgpu_bo_free_kernel(&adev->mes.eop_gpu_obj[pipe],
1077 				      &adev->mes.eop_gpu_addr[pipe],
1078 				      NULL);
1079 
1080 		mes_v11_0_free_microcode(adev, pipe);
1081 	}
1082 
1083 	amdgpu_bo_free_kernel(&adev->gfx.kiq.ring.mqd_obj,
1084 			      &adev->gfx.kiq.ring.mqd_gpu_addr,
1085 			      &adev->gfx.kiq.ring.mqd_ptr);
1086 
1087 	amdgpu_bo_free_kernel(&adev->mes.ring.mqd_obj,
1088 			      &adev->mes.ring.mqd_gpu_addr,
1089 			      &adev->mes.ring.mqd_ptr);
1090 
1091 	amdgpu_ring_fini(&adev->gfx.kiq.ring);
1092 	amdgpu_ring_fini(&adev->mes.ring);
1093 
1094 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
1095 		mes_v11_0_free_ucode_buffers(adev, AMDGPU_MES_KIQ_PIPE);
1096 		mes_v11_0_free_ucode_buffers(adev, AMDGPU_MES_SCHED_PIPE);
1097 	}
1098 
1099 	amdgpu_mes_fini(adev);
1100 	return 0;
1101 }
1102 
1103 static void mes_v11_0_kiq_setting(struct amdgpu_ring *ring)
1104 {
1105 	uint32_t tmp;
1106 	struct amdgpu_device *adev = ring->adev;
1107 
1108 	/* tell RLC which is KIQ queue */
1109 	tmp = RREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS);
1110 	tmp &= 0xffffff00;
1111 	tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue);
1112 	WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp);
1113 	tmp |= 0x80;
1114 	WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp);
1115 }
1116 
1117 static int mes_v11_0_kiq_hw_init(struct amdgpu_device *adev)
1118 {
1119 	int r = 0;
1120 
1121 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
1122 
1123 		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_SCHED_PIPE, false);
1124 		if (r) {
1125 			DRM_ERROR("failed to load MES fw, r=%d\n", r);
1126 			return r;
1127 		}
1128 
1129 		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_KIQ_PIPE, true);
1130 		if (r) {
1131 			DRM_ERROR("failed to load MES kiq fw, r=%d\n", r);
1132 			return r;
1133 		}
1134 
1135 	}
1136 
1137 	mes_v11_0_enable(adev, true);
1138 
1139 	mes_v11_0_kiq_setting(&adev->gfx.kiq.ring);
1140 
1141 	r = mes_v11_0_queue_init(adev, AMDGPU_MES_KIQ_PIPE);
1142 	if (r)
1143 		goto failure;
1144 
1145 	return r;
1146 
1147 failure:
1148 	mes_v11_0_hw_fini(adev);
1149 	return r;
1150 }
1151 
1152 static int mes_v11_0_kiq_hw_fini(struct amdgpu_device *adev)
1153 {
1154 	mes_v11_0_enable(adev, false);
1155 	return 0;
1156 }
1157 
1158 static int mes_v11_0_hw_init(void *handle)
1159 {
1160 	int r;
1161 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1162 
1163 	if (!adev->enable_mes_kiq) {
1164 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
1165 			r = mes_v11_0_load_microcode(adev,
1166 					     AMDGPU_MES_SCHED_PIPE, true);
1167 			if (r) {
1168 				DRM_ERROR("failed to MES fw, r=%d\n", r);
1169 				return r;
1170 			}
1171 		}
1172 
1173 		mes_v11_0_enable(adev, true);
1174 	}
1175 
1176 	r = mes_v11_0_queue_init(adev, AMDGPU_MES_SCHED_PIPE);
1177 	if (r)
1178 		goto failure;
1179 
1180 	r = mes_v11_0_set_hw_resources(&adev->mes);
1181 	if (r)
1182 		goto failure;
1183 
1184 	r = mes_v11_0_query_sched_status(&adev->mes);
1185 	if (r) {
1186 		DRM_ERROR("MES is busy\n");
1187 		goto failure;
1188 	}
1189 
1190 	/*
1191 	 * Disable KIQ ring usage from the driver once MES is enabled.
1192 	 * MES uses KIQ ring exclusively so driver cannot access KIQ ring
1193 	 * with MES enabled.
1194 	 */
1195 	adev->gfx.kiq.ring.sched.ready = false;
1196 	adev->mes.ring.sched.ready = true;
1197 
1198 	return 0;
1199 
1200 failure:
1201 	mes_v11_0_hw_fini(adev);
1202 	return r;
1203 }
1204 
1205 static int mes_v11_0_hw_fini(void *handle)
1206 {
1207 	return 0;
1208 }
1209 
1210 static int mes_v11_0_suspend(void *handle)
1211 {
1212 	int r;
1213 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1214 
1215 	r = amdgpu_mes_suspend(adev);
1216 	if (r)
1217 		return r;
1218 
1219 	return mes_v11_0_hw_fini(adev);
1220 }
1221 
1222 static int mes_v11_0_resume(void *handle)
1223 {
1224 	int r;
1225 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1226 
1227 	r = mes_v11_0_hw_init(adev);
1228 	if (r)
1229 		return r;
1230 
1231 	return amdgpu_mes_resume(adev);
1232 }
1233 
1234 static int mes_v11_0_late_init(void *handle)
1235 {
1236 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1237 
1238 	amdgpu_mes_self_test(adev);
1239 
1240 	return 0;
1241 }
1242 
1243 static const struct amd_ip_funcs mes_v11_0_ip_funcs = {
1244 	.name = "mes_v11_0",
1245 	.late_init = mes_v11_0_late_init,
1246 	.sw_init = mes_v11_0_sw_init,
1247 	.sw_fini = mes_v11_0_sw_fini,
1248 	.hw_init = mes_v11_0_hw_init,
1249 	.hw_fini = mes_v11_0_hw_fini,
1250 	.suspend = mes_v11_0_suspend,
1251 	.resume = mes_v11_0_resume,
1252 };
1253 
1254 const struct amdgpu_ip_block_version mes_v11_0_ip_block = {
1255 	.type = AMD_IP_BLOCK_TYPE_MES,
1256 	.major = 11,
1257 	.minor = 0,
1258 	.rev = 0,
1259 	.funcs = &mes_v11_0_ip_funcs,
1260 };
1261