xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/soc15.c (revision acddaa55)
1 /*
2  * Copyright 2016 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 #include <linux/firmware.h>
24 #include <linux/slab.h>
25 #include <linux/module.h>
26 #include <linux/pci.h>
27 
28 #include "amdgpu.h"
29 #include "amdgpu_atombios.h"
30 #include "amdgpu_ih.h"
31 #include "amdgpu_uvd.h"
32 #include "amdgpu_vce.h"
33 #include "amdgpu_ucode.h"
34 #include "amdgpu_psp.h"
35 #include "atom.h"
36 #include "amd_pcie.h"
37 
38 #include "uvd/uvd_7_0_offset.h"
39 #include "gc/gc_9_0_offset.h"
40 #include "gc/gc_9_0_sh_mask.h"
41 #include "sdma0/sdma0_4_0_offset.h"
42 #include "sdma1/sdma1_4_0_offset.h"
43 #include "hdp/hdp_4_0_offset.h"
44 #include "hdp/hdp_4_0_sh_mask.h"
45 #include "smuio/smuio_9_0_offset.h"
46 #include "smuio/smuio_9_0_sh_mask.h"
47 #include "nbio/nbio_7_0_default.h"
48 #include "nbio/nbio_7_0_offset.h"
49 #include "nbio/nbio_7_0_sh_mask.h"
50 #include "nbio/nbio_7_0_smn.h"
51 #include "mp/mp_9_0_offset.h"
52 
53 #include "soc15.h"
54 #include "soc15_common.h"
55 #include "gfx_v9_0.h"
56 #include "gmc_v9_0.h"
57 #include "gfxhub_v1_0.h"
58 #include "mmhub_v1_0.h"
59 #include "df_v1_7.h"
60 #include "df_v3_6.h"
61 #include "nbio_v6_1.h"
62 #include "nbio_v7_0.h"
63 #include "nbio_v7_4.h"
64 #include "vega10_ih.h"
65 #include "sdma_v4_0.h"
66 #include "uvd_v7_0.h"
67 #include "vce_v4_0.h"
68 #include "vcn_v1_0.h"
69 #include "vcn_v2_0.h"
70 #include "jpeg_v2_0.h"
71 #include "vcn_v2_5.h"
72 #include "jpeg_v2_5.h"
73 #include "dce_virtual.h"
74 #include "mxgpu_ai.h"
75 #include "amdgpu_smu.h"
76 #include "amdgpu_ras.h"
77 #include "amdgpu_xgmi.h"
78 #include <uapi/linux/kfd_ioctl.h>
79 
80 #define mmMP0_MISC_CGTT_CTRL0                                                                   0x01b9
81 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX                                                          0
82 #define mmMP0_MISC_LIGHT_SLEEP_CTRL                                                             0x01ba
83 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX                                                    0
84 
85 /* for Vega20 register name change */
86 #define mmHDP_MEM_POWER_CTRL	0x00d4
87 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK	0x00000001L
88 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK	0x00000002L
89 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK	0x00010000L
90 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK		0x00020000L
91 #define mmHDP_MEM_POWER_CTRL_BASE_IDX	0
92 
93 /* for Vega20/arcturus regiter offset change */
94 #define	mmROM_INDEX_VG20				0x00e4
95 #define	mmROM_INDEX_VG20_BASE_IDX			0
96 #define	mmROM_DATA_VG20					0x00e5
97 #define	mmROM_DATA_VG20_BASE_IDX			0
98 
99 /*
100  * Indirect registers accessor
101  */
102 static u32 soc15_pcie_rreg(struct amdgpu_device *adev, u32 reg)
103 {
104 	unsigned long flags, address, data;
105 	u32 r;
106 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
107 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
108 
109 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
110 	WREG32(address, reg);
111 	(void)RREG32(address);
112 	r = RREG32(data);
113 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
114 	return r;
115 }
116 
117 static void soc15_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
118 {
119 	unsigned long flags, address, data;
120 
121 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
122 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
123 
124 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
125 	WREG32(address, reg);
126 	(void)RREG32(address);
127 	WREG32(data, v);
128 	(void)RREG32(data);
129 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
130 }
131 
132 static u64 soc15_pcie_rreg64(struct amdgpu_device *adev, u32 reg)
133 {
134 	unsigned long flags, address, data;
135 	u64 r;
136 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
137 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
138 
139 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
140 	/* read low 32 bit */
141 	WREG32(address, reg);
142 	(void)RREG32(address);
143 	r = RREG32(data);
144 
145 	/* read high 32 bit*/
146 	WREG32(address, reg + 4);
147 	(void)RREG32(address);
148 	r |= ((u64)RREG32(data) << 32);
149 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
150 	return r;
151 }
152 
153 static void soc15_pcie_wreg64(struct amdgpu_device *adev, u32 reg, u64 v)
154 {
155 	unsigned long flags, address, data;
156 
157 	address = adev->nbio.funcs->get_pcie_index_offset(adev);
158 	data = adev->nbio.funcs->get_pcie_data_offset(adev);
159 
160 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
161 	/* write low 32 bit */
162 	WREG32(address, reg);
163 	(void)RREG32(address);
164 	WREG32(data, (u32)(v & 0xffffffffULL));
165 	(void)RREG32(data);
166 
167 	/* write high 32 bit */
168 	WREG32(address, reg + 4);
169 	(void)RREG32(address);
170 	WREG32(data, (u32)(v >> 32));
171 	(void)RREG32(data);
172 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
173 }
174 
175 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
176 {
177 	unsigned long flags, address, data;
178 	u32 r;
179 
180 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
181 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
182 
183 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
184 	WREG32(address, ((reg) & 0x1ff));
185 	r = RREG32(data);
186 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
187 	return r;
188 }
189 
190 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
191 {
192 	unsigned long flags, address, data;
193 
194 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
195 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
196 
197 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
198 	WREG32(address, ((reg) & 0x1ff));
199 	WREG32(data, (v));
200 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
201 }
202 
203 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
204 {
205 	unsigned long flags, address, data;
206 	u32 r;
207 
208 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
209 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
210 
211 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
212 	WREG32(address, (reg));
213 	r = RREG32(data);
214 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
215 	return r;
216 }
217 
218 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
219 {
220 	unsigned long flags, address, data;
221 
222 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
223 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
224 
225 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
226 	WREG32(address, (reg));
227 	WREG32(data, (v));
228 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
229 }
230 
231 static u32 soc15_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
232 {
233 	unsigned long flags;
234 	u32 r;
235 
236 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
237 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
238 	r = RREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA);
239 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
240 	return r;
241 }
242 
243 static void soc15_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
244 {
245 	unsigned long flags;
246 
247 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
248 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
249 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA, (v));
250 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
251 }
252 
253 static u32 soc15_se_cac_rreg(struct amdgpu_device *adev, u32 reg)
254 {
255 	unsigned long flags;
256 	u32 r;
257 
258 	spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
259 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
260 	r = RREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA);
261 	spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
262 	return r;
263 }
264 
265 static void soc15_se_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
266 {
267 	unsigned long flags;
268 
269 	spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
270 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
271 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA, (v));
272 	spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
273 }
274 
275 static u32 soc15_get_config_memsize(struct amdgpu_device *adev)
276 {
277 	return adev->nbio.funcs->get_memsize(adev);
278 }
279 
280 static u32 soc15_get_xclk(struct amdgpu_device *adev)
281 {
282 	u32 reference_clock = adev->clock.spll.reference_freq;
283 
284 	if (adev->asic_type == CHIP_RAVEN)
285 		return reference_clock / 4;
286 
287 	return reference_clock;
288 }
289 
290 
291 void soc15_grbm_select(struct amdgpu_device *adev,
292 		     u32 me, u32 pipe, u32 queue, u32 vmid)
293 {
294 	u32 grbm_gfx_cntl = 0;
295 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
296 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
297 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
298 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
299 
300 	WREG32_SOC15_RLC_SHADOW(GC, 0, mmGRBM_GFX_CNTL, grbm_gfx_cntl);
301 }
302 
303 static void soc15_vga_set_state(struct amdgpu_device *adev, bool state)
304 {
305 	/* todo */
306 }
307 
308 static bool soc15_read_disabled_bios(struct amdgpu_device *adev)
309 {
310 	/* todo */
311 	return false;
312 }
313 
314 static bool soc15_read_bios_from_rom(struct amdgpu_device *adev,
315 				     u8 *bios, u32 length_bytes)
316 {
317 	u32 *dw_ptr;
318 	u32 i, length_dw;
319 	uint32_t rom_index_offset;
320 	uint32_t rom_data_offset;
321 
322 	if (bios == NULL)
323 		return false;
324 	if (length_bytes == 0)
325 		return false;
326 	/* APU vbios image is part of sbios image */
327 	if (adev->flags & AMD_IS_APU)
328 		return false;
329 
330 	dw_ptr = (u32 *)bios;
331 	length_dw = ALIGN(length_bytes, 4) / 4;
332 
333 	switch (adev->asic_type) {
334 	case CHIP_VEGA20:
335 	case CHIP_ARCTURUS:
336 		rom_index_offset = SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX_VG20);
337 		rom_data_offset = SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA_VG20);
338 		break;
339 	default:
340 		rom_index_offset = SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX);
341 		rom_data_offset = SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA);
342 		break;
343 	}
344 
345 	/* set rom index to 0 */
346 	WREG32(rom_index_offset, 0);
347 	/* read out the rom data */
348 	for (i = 0; i < length_dw; i++)
349 		dw_ptr[i] = RREG32(rom_data_offset);
350 
351 	return true;
352 }
353 
354 static struct soc15_allowed_register_entry soc15_allowed_read_registers[] = {
355 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
356 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
357 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
358 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
359 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
360 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
361 	{ SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
362 	{ SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
363 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
364 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
365 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
366 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
367 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
368 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
369 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
370 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)},
371 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
372 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
373 	{ SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
374 	{ SOC15_REG_ENTRY(GC, 0, mmDB_DEBUG2)},
375 };
376 
377 static uint32_t soc15_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
378 					 u32 sh_num, u32 reg_offset)
379 {
380 	uint32_t val;
381 
382 	mutex_lock(&adev->grbm_idx_mutex);
383 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
384 		amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
385 
386 	val = RREG32(reg_offset);
387 
388 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
389 		amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
390 	mutex_unlock(&adev->grbm_idx_mutex);
391 	return val;
392 }
393 
394 static uint32_t soc15_get_register_value(struct amdgpu_device *adev,
395 					 bool indexed, u32 se_num,
396 					 u32 sh_num, u32 reg_offset)
397 {
398 	if (indexed) {
399 		return soc15_read_indexed_register(adev, se_num, sh_num, reg_offset);
400 	} else {
401 		if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
402 			return adev->gfx.config.gb_addr_config;
403 		else if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2))
404 			return adev->gfx.config.db_debug2;
405 		return RREG32(reg_offset);
406 	}
407 }
408 
409 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num,
410 			    u32 sh_num, u32 reg_offset, u32 *value)
411 {
412 	uint32_t i;
413 	struct soc15_allowed_register_entry  *en;
414 
415 	*value = 0;
416 	for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) {
417 		en = &soc15_allowed_read_registers[i];
418 		if (adev->reg_offset[en->hwip][en->inst] &&
419 			reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
420 					+ en->reg_offset))
421 			continue;
422 
423 		*value = soc15_get_register_value(adev,
424 						  soc15_allowed_read_registers[i].grbm_indexed,
425 						  se_num, sh_num, reg_offset);
426 		return 0;
427 	}
428 	return -EINVAL;
429 }
430 
431 
432 /**
433  * soc15_program_register_sequence - program an array of registers.
434  *
435  * @adev: amdgpu_device pointer
436  * @regs: pointer to the register array
437  * @array_size: size of the register array
438  *
439  * Programs an array or registers with and and or masks.
440  * This is a helper for setting golden registers.
441  */
442 
443 void soc15_program_register_sequence(struct amdgpu_device *adev,
444 					     const struct soc15_reg_golden *regs,
445 					     const u32 array_size)
446 {
447 	const struct soc15_reg_golden *entry;
448 	u32 tmp, reg;
449 	int i;
450 
451 	for (i = 0; i < array_size; ++i) {
452 		entry = &regs[i];
453 		reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
454 
455 		if (entry->and_mask == 0xffffffff) {
456 			tmp = entry->or_mask;
457 		} else {
458 			tmp = RREG32(reg);
459 			tmp &= ~(entry->and_mask);
460 			tmp |= (entry->or_mask & entry->and_mask);
461 		}
462 
463 		if (reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_BINNER_EVENT_CNTL_3) ||
464 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE) ||
465 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE_1) ||
466 			reg == SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG))
467 			WREG32_RLC(reg, tmp);
468 		else
469 			WREG32(reg, tmp);
470 
471 	}
472 
473 }
474 
475 static int soc15_asic_mode1_reset(struct amdgpu_device *adev)
476 {
477 	u32 i;
478 	int ret = 0;
479 
480 	amdgpu_atombios_scratch_regs_engine_hung(adev, true);
481 
482 	dev_info(adev->dev, "GPU mode1 reset\n");
483 
484 	/* disable BM */
485 	pci_clear_master(adev->pdev);
486 
487 	pci_save_state(adev->pdev);
488 
489 	ret = psp_gpu_reset(adev);
490 	if (ret)
491 		dev_err(adev->dev, "GPU mode1 reset failed\n");
492 
493 	pci_restore_state(adev->pdev);
494 
495 	/* wait for asic to come out of reset */
496 	for (i = 0; i < adev->usec_timeout; i++) {
497 		u32 memsize = adev->nbio.funcs->get_memsize(adev);
498 
499 		if (memsize != 0xffffffff)
500 			break;
501 		udelay(1);
502 	}
503 
504 	amdgpu_atombios_scratch_regs_engine_hung(adev, false);
505 
506 	return ret;
507 }
508 
509 static int soc15_asic_baco_reset(struct amdgpu_device *adev)
510 {
511 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
512 	int ret = 0;
513 
514 	/* avoid NBIF got stuck when do RAS recovery in BACO reset */
515 	if (ras && ras->supported)
516 		adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
517 
518 	ret = amdgpu_dpm_baco_reset(adev);
519 	if (ret)
520 		return ret;
521 
522 	/* re-enable doorbell interrupt after BACO exit */
523 	if (ras && ras->supported)
524 		adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
525 
526 	return 0;
527 }
528 
529 static enum amd_reset_method
530 soc15_asic_reset_method(struct amdgpu_device *adev)
531 {
532 	bool baco_reset = false;
533 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
534 
535 	if (amdgpu_reset_method == AMD_RESET_METHOD_MODE1 ||
536 	    amdgpu_reset_method == AMD_RESET_METHOD_MODE2 ||
537 		amdgpu_reset_method == AMD_RESET_METHOD_BACO)
538 		return amdgpu_reset_method;
539 
540 	if (amdgpu_reset_method != -1)
541 		dev_warn(adev->dev, "Specified reset method:%d isn't supported, using AUTO instead.\n",
542 				  amdgpu_reset_method);
543 
544 	switch (adev->asic_type) {
545 	case CHIP_RAVEN:
546 	case CHIP_RENOIR:
547 		return AMD_RESET_METHOD_MODE2;
548 	case CHIP_VEGA10:
549 	case CHIP_VEGA12:
550 	case CHIP_ARCTURUS:
551 		baco_reset = amdgpu_dpm_is_baco_supported(adev);
552 		break;
553 	case CHIP_VEGA20:
554 		if (adev->psp.sos_fw_version >= 0x80067)
555 			baco_reset = amdgpu_dpm_is_baco_supported(adev);
556 
557 		/*
558 		 * 1. PMFW version > 0x284300: all cases use baco
559 		 * 2. PMFW version <= 0x284300: only sGPU w/o RAS use baco
560 		 */
561 		if ((ras && ras->supported) && adev->pm.fw_version <= 0x283400)
562 			baco_reset = false;
563 		break;
564 	default:
565 		break;
566 	}
567 
568 	if (baco_reset)
569 		return AMD_RESET_METHOD_BACO;
570 	else
571 		return AMD_RESET_METHOD_MODE1;
572 }
573 
574 static int soc15_asic_reset(struct amdgpu_device *adev)
575 {
576 	/* original raven doesn't have full asic reset */
577 	if ((adev->apu_flags & AMD_APU_IS_RAVEN) &&
578 	    !(adev->apu_flags & AMD_APU_IS_RAVEN2))
579 		return 0;
580 
581 	switch (soc15_asic_reset_method(adev)) {
582 		case AMD_RESET_METHOD_BACO:
583 			return soc15_asic_baco_reset(adev);
584 		case AMD_RESET_METHOD_MODE2:
585 			return amdgpu_dpm_mode2_reset(adev);
586 		default:
587 			return soc15_asic_mode1_reset(adev);
588 	}
589 }
590 
591 static bool soc15_supports_baco(struct amdgpu_device *adev)
592 {
593 	switch (adev->asic_type) {
594 	case CHIP_VEGA10:
595 	case CHIP_VEGA12:
596 	case CHIP_ARCTURUS:
597 		return amdgpu_dpm_is_baco_supported(adev);
598 	case CHIP_VEGA20:
599 		if (adev->psp.sos_fw_version >= 0x80067)
600 			return amdgpu_dpm_is_baco_supported(adev);
601 		return false;
602 	default:
603 		return false;
604 	}
605 }
606 
607 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
608 			u32 cntl_reg, u32 status_reg)
609 {
610 	return 0;
611 }*/
612 
613 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
614 {
615 	/*int r;
616 
617 	r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
618 	if (r)
619 		return r;
620 
621 	r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
622 	*/
623 	return 0;
624 }
625 
626 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
627 {
628 	/* todo */
629 
630 	return 0;
631 }
632 
633 static void soc15_pcie_gen3_enable(struct amdgpu_device *adev)
634 {
635 	if (pci_is_root_bus(adev->pdev->bus))
636 		return;
637 
638 	if (amdgpu_pcie_gen2 == 0)
639 		return;
640 
641 	if (adev->flags & AMD_IS_APU)
642 		return;
643 
644 	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
645 					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
646 		return;
647 
648 	/* todo */
649 }
650 
651 static void soc15_program_aspm(struct amdgpu_device *adev)
652 {
653 
654 	if (amdgpu_aspm == 0)
655 		return;
656 
657 	/* todo */
658 }
659 
660 static void soc15_enable_doorbell_aperture(struct amdgpu_device *adev,
661 					   bool enable)
662 {
663 	adev->nbio.funcs->enable_doorbell_aperture(adev, enable);
664 	adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, enable);
665 }
666 
667 static const struct amdgpu_ip_block_version vega10_common_ip_block =
668 {
669 	.type = AMD_IP_BLOCK_TYPE_COMMON,
670 	.major = 2,
671 	.minor = 0,
672 	.rev = 0,
673 	.funcs = &soc15_common_ip_funcs,
674 };
675 
676 static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
677 {
678 	return adev->nbio.funcs->get_rev_id(adev);
679 }
680 
681 static void soc15_reg_base_init(struct amdgpu_device *adev)
682 {
683 	int r;
684 
685 	/* Set IP register base before any HW register access */
686 	switch (adev->asic_type) {
687 	case CHIP_VEGA10:
688 	case CHIP_VEGA12:
689 	case CHIP_RAVEN:
690 		vega10_reg_base_init(adev);
691 		break;
692 	case CHIP_RENOIR:
693 		/* It's safe to do ip discovery here for Renior,
694 		 * it doesn't support SRIOV. */
695 		if (amdgpu_discovery) {
696 			r = amdgpu_discovery_reg_base_init(adev);
697 			if (r) {
698 				DRM_WARN("failed to init reg base from ip discovery table, "
699 					 "fallback to legacy init method\n");
700 				vega10_reg_base_init(adev);
701 			}
702 		}
703 		break;
704 	case CHIP_VEGA20:
705 		vega20_reg_base_init(adev);
706 		break;
707 	case CHIP_ARCTURUS:
708 		arct_reg_base_init(adev);
709 		break;
710 	default:
711 		DRM_ERROR("Unsupported asic type: %d!\n", adev->asic_type);
712 		break;
713 	}
714 }
715 
716 void soc15_set_virt_ops(struct amdgpu_device *adev)
717 {
718 	adev->virt.ops = &xgpu_ai_virt_ops;
719 
720 	/* init soc15 reg base early enough so we can
721 	 * request request full access for sriov before
722 	 * set_ip_blocks. */
723 	soc15_reg_base_init(adev);
724 }
725 
726 int soc15_set_ip_blocks(struct amdgpu_device *adev)
727 {
728 	/* for bare metal case */
729 	if (!amdgpu_sriov_vf(adev))
730 		soc15_reg_base_init(adev);
731 
732 	if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
733 		adev->gmc.xgmi.supported = true;
734 
735 	if (adev->flags & AMD_IS_APU) {
736 		adev->nbio.funcs = &nbio_v7_0_funcs;
737 		adev->nbio.hdp_flush_reg = &nbio_v7_0_hdp_flush_reg;
738 	} else if (adev->asic_type == CHIP_VEGA20 ||
739 		   adev->asic_type == CHIP_ARCTURUS) {
740 		adev->nbio.funcs = &nbio_v7_4_funcs;
741 		adev->nbio.hdp_flush_reg = &nbio_v7_4_hdp_flush_reg;
742 	} else {
743 		adev->nbio.funcs = &nbio_v6_1_funcs;
744 		adev->nbio.hdp_flush_reg = &nbio_v6_1_hdp_flush_reg;
745 	}
746 
747 	if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
748 		adev->df.funcs = &df_v3_6_funcs;
749 	else
750 		adev->df.funcs = &df_v1_7_funcs;
751 
752 	adev->rev_id = soc15_get_rev_id(adev);
753 
754 	switch (adev->asic_type) {
755 	case CHIP_VEGA10:
756 	case CHIP_VEGA12:
757 	case CHIP_VEGA20:
758 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
759 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
760 
761 		/* For Vega10 SR-IOV, PSP need to be initialized before IH */
762 		if (amdgpu_sriov_vf(adev)) {
763 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
764 				if (adev->asic_type == CHIP_VEGA20)
765 					amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
766 				else
767 					amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
768 			}
769 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
770 		} else {
771 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
772 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
773 				if (adev->asic_type == CHIP_VEGA20)
774 					amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
775 				else
776 					amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
777 			}
778 		}
779 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
780 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
781 		if (is_support_sw_smu(adev)) {
782 			if (!amdgpu_sriov_vf(adev))
783 				amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
784 		} else {
785 			amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
786 		}
787 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
788 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
789 #if defined(CONFIG_DRM_AMD_DC)
790 		else if (amdgpu_device_has_dc_support(adev))
791 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
792 #endif
793 		if (!(adev->asic_type == CHIP_VEGA20 && amdgpu_sriov_vf(adev))) {
794 			amdgpu_device_ip_block_add(adev, &uvd_v7_0_ip_block);
795 			amdgpu_device_ip_block_add(adev, &vce_v4_0_ip_block);
796 		}
797 		break;
798 	case CHIP_RAVEN:
799 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
800 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
801 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
802 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
803 			amdgpu_device_ip_block_add(adev, &psp_v10_0_ip_block);
804 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
805 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
806 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
807 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
808 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
809 #if defined(CONFIG_DRM_AMD_DC)
810 		else if (amdgpu_device_has_dc_support(adev))
811 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
812 #endif
813 		amdgpu_device_ip_block_add(adev, &vcn_v1_0_ip_block);
814 		break;
815 	case CHIP_ARCTURUS:
816 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
817 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
818 
819 		if (amdgpu_sriov_vf(adev)) {
820 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
821 				amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
822 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
823 		} else {
824 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
825 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
826 				amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
827 		}
828 
829 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
830 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
831 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
832 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
833 		amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
834 
835 		if (amdgpu_sriov_vf(adev)) {
836 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
837 				amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
838 		} else {
839 			amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
840 		}
841 		if (!amdgpu_sriov_vf(adev))
842 			amdgpu_device_ip_block_add(adev, &jpeg_v2_5_ip_block);
843 		break;
844 	case CHIP_RENOIR:
845 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
846 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
847 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
848 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
849 			amdgpu_device_ip_block_add(adev, &psp_v12_0_ip_block);
850 		amdgpu_device_ip_block_add(adev, &smu_v12_0_ip_block);
851 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
852 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
853 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
854 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
855 #if defined(CONFIG_DRM_AMD_DC)
856                 else if (amdgpu_device_has_dc_support(adev))
857                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
858 #endif
859 		amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
860 		amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);
861 		break;
862 	default:
863 		return -EINVAL;
864 	}
865 
866 	return 0;
867 }
868 
869 static void soc15_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
870 {
871 	adev->nbio.funcs->hdp_flush(adev, ring);
872 }
873 
874 static void soc15_invalidate_hdp(struct amdgpu_device *adev,
875 				 struct amdgpu_ring *ring)
876 {
877 	if (!ring || !ring->funcs->emit_wreg)
878 		WREG32_SOC15_NO_KIQ(HDP, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
879 	else
880 		amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
881 			HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
882 }
883 
884 static bool soc15_need_full_reset(struct amdgpu_device *adev)
885 {
886 	/* change this when we implement soft reset */
887 	return true;
888 }
889 
890 static void vega20_reset_hdp_ras_error_count(struct amdgpu_device *adev)
891 {
892 	if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__HDP))
893 		return;
894 	/*read back hdp ras counter to reset it to 0 */
895 	RREG32_SOC15(HDP, 0, mmHDP_EDC_CNT);
896 }
897 
898 static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
899 				 uint64_t *count1)
900 {
901 	uint32_t perfctr = 0;
902 	uint64_t cnt0_of, cnt1_of;
903 	int tmp;
904 
905 	/* This reports 0 on APUs, so return to avoid writing/reading registers
906 	 * that may or may not be different from their GPU counterparts
907 	 */
908 	if (adev->flags & AMD_IS_APU)
909 		return;
910 
911 	/* Set the 2 events that we wish to watch, defined above */
912 	/* Reg 40 is # received msgs */
913 	/* Reg 104 is # of posted requests sent */
914 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
915 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
916 
917 	/* Write to enable desired perf counters */
918 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr);
919 	/* Zero out and enable the perf counters
920 	 * Write 0x5:
921 	 * Bit 0 = Start all counters(1)
922 	 * Bit 2 = Global counter reset enable(1)
923 	 */
924 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
925 
926 	msleep(1000);
927 
928 	/* Load the shadow and disable the perf counters
929 	 * Write 0x2:
930 	 * Bit 0 = Stop counters(0)
931 	 * Bit 1 = Load the shadow counters(1)
932 	 */
933 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
934 
935 	/* Read register values to get any >32bit overflow */
936 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK);
937 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
938 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
939 
940 	/* Get the values and add the overflow */
941 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
942 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
943 }
944 
945 static void vega20_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
946 				 uint64_t *count1)
947 {
948 	uint32_t perfctr = 0;
949 	uint64_t cnt0_of, cnt1_of;
950 	int tmp;
951 
952 	/* This reports 0 on APUs, so return to avoid writing/reading registers
953 	 * that may or may not be different from their GPU counterparts
954 	 */
955 	if (adev->flags & AMD_IS_APU)
956 		return;
957 
958 	/* Set the 2 events that we wish to watch, defined above */
959 	/* Reg 40 is # received msgs */
960 	/* Reg 108 is # of posted requests sent on VG20 */
961 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
962 				EVENT0_SEL, 40);
963 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
964 				EVENT1_SEL, 108);
965 
966 	/* Write to enable desired perf counters */
967 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3, perfctr);
968 	/* Zero out and enable the perf counters
969 	 * Write 0x5:
970 	 * Bit 0 = Start all counters(1)
971 	 * Bit 2 = Global counter reset enable(1)
972 	 */
973 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
974 
975 	msleep(1000);
976 
977 	/* Load the shadow and disable the perf counters
978 	 * Write 0x2:
979 	 * Bit 0 = Stop counters(0)
980 	 * Bit 1 = Load the shadow counters(1)
981 	 */
982 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
983 
984 	/* Read register values to get any >32bit overflow */
985 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3);
986 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER0_UPPER);
987 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER1_UPPER);
988 
989 	/* Get the values and add the overflow */
990 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK3) | (cnt0_of << 32);
991 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK3) | (cnt1_of << 32);
992 }
993 
994 static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
995 {
996 	u32 sol_reg;
997 
998 	/* Just return false for soc15 GPUs.  Reset does not seem to
999 	 * be necessary.
1000 	 */
1001 	if (!amdgpu_passthrough(adev))
1002 		return false;
1003 
1004 	if (adev->flags & AMD_IS_APU)
1005 		return false;
1006 
1007 	/* Check sOS sign of life register to confirm sys driver and sOS
1008 	 * are already been loaded.
1009 	 */
1010 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
1011 	if (sol_reg)
1012 		return true;
1013 
1014 	return false;
1015 }
1016 
1017 static uint64_t soc15_get_pcie_replay_count(struct amdgpu_device *adev)
1018 {
1019 	uint64_t nak_r, nak_g;
1020 
1021 	/* Get the number of NAKs received and generated */
1022 	nak_r = RREG32_PCIE(smnPCIE_RX_NUM_NAK);
1023 	nak_g = RREG32_PCIE(smnPCIE_RX_NUM_NAK_GENERATED);
1024 
1025 	/* Add the total number of NAKs, i.e the number of replays */
1026 	return (nak_r + nak_g);
1027 }
1028 
1029 static const struct amdgpu_asic_funcs soc15_asic_funcs =
1030 {
1031 	.read_disabled_bios = &soc15_read_disabled_bios,
1032 	.read_bios_from_rom = &soc15_read_bios_from_rom,
1033 	.read_register = &soc15_read_register,
1034 	.reset = &soc15_asic_reset,
1035 	.reset_method = &soc15_asic_reset_method,
1036 	.set_vga_state = &soc15_vga_set_state,
1037 	.get_xclk = &soc15_get_xclk,
1038 	.set_uvd_clocks = &soc15_set_uvd_clocks,
1039 	.set_vce_clocks = &soc15_set_vce_clocks,
1040 	.get_config_memsize = &soc15_get_config_memsize,
1041 	.flush_hdp = &soc15_flush_hdp,
1042 	.invalidate_hdp = &soc15_invalidate_hdp,
1043 	.need_full_reset = &soc15_need_full_reset,
1044 	.init_doorbell_index = &vega10_doorbell_index_init,
1045 	.get_pcie_usage = &soc15_get_pcie_usage,
1046 	.need_reset_on_init = &soc15_need_reset_on_init,
1047 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
1048 	.supports_baco = &soc15_supports_baco,
1049 };
1050 
1051 static const struct amdgpu_asic_funcs vega20_asic_funcs =
1052 {
1053 	.read_disabled_bios = &soc15_read_disabled_bios,
1054 	.read_bios_from_rom = &soc15_read_bios_from_rom,
1055 	.read_register = &soc15_read_register,
1056 	.reset = &soc15_asic_reset,
1057 	.reset_method = &soc15_asic_reset_method,
1058 	.set_vga_state = &soc15_vga_set_state,
1059 	.get_xclk = &soc15_get_xclk,
1060 	.set_uvd_clocks = &soc15_set_uvd_clocks,
1061 	.set_vce_clocks = &soc15_set_vce_clocks,
1062 	.get_config_memsize = &soc15_get_config_memsize,
1063 	.flush_hdp = &soc15_flush_hdp,
1064 	.invalidate_hdp = &soc15_invalidate_hdp,
1065 	.reset_hdp_ras_error_count = &vega20_reset_hdp_ras_error_count,
1066 	.need_full_reset = &soc15_need_full_reset,
1067 	.init_doorbell_index = &vega20_doorbell_index_init,
1068 	.get_pcie_usage = &vega20_get_pcie_usage,
1069 	.need_reset_on_init = &soc15_need_reset_on_init,
1070 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
1071 	.supports_baco = &soc15_supports_baco,
1072 };
1073 
1074 static int soc15_common_early_init(void *handle)
1075 {
1076 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
1077 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1078 
1079 	adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
1080 	adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
1081 	adev->smc_rreg = NULL;
1082 	adev->smc_wreg = NULL;
1083 	adev->pcie_rreg = &soc15_pcie_rreg;
1084 	adev->pcie_wreg = &soc15_pcie_wreg;
1085 	adev->pcie_rreg64 = &soc15_pcie_rreg64;
1086 	adev->pcie_wreg64 = &soc15_pcie_wreg64;
1087 	adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
1088 	adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
1089 	adev->didt_rreg = &soc15_didt_rreg;
1090 	adev->didt_wreg = &soc15_didt_wreg;
1091 	adev->gc_cac_rreg = &soc15_gc_cac_rreg;
1092 	adev->gc_cac_wreg = &soc15_gc_cac_wreg;
1093 	adev->se_cac_rreg = &soc15_se_cac_rreg;
1094 	adev->se_cac_wreg = &soc15_se_cac_wreg;
1095 
1096 
1097 	adev->external_rev_id = 0xFF;
1098 	switch (adev->asic_type) {
1099 	case CHIP_VEGA10:
1100 		adev->asic_funcs = &soc15_asic_funcs;
1101 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1102 			AMD_CG_SUPPORT_GFX_MGLS |
1103 			AMD_CG_SUPPORT_GFX_RLC_LS |
1104 			AMD_CG_SUPPORT_GFX_CP_LS |
1105 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1106 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1107 			AMD_CG_SUPPORT_GFX_CGCG |
1108 			AMD_CG_SUPPORT_GFX_CGLS |
1109 			AMD_CG_SUPPORT_BIF_MGCG |
1110 			AMD_CG_SUPPORT_BIF_LS |
1111 			AMD_CG_SUPPORT_HDP_LS |
1112 			AMD_CG_SUPPORT_DRM_MGCG |
1113 			AMD_CG_SUPPORT_DRM_LS |
1114 			AMD_CG_SUPPORT_ROM_MGCG |
1115 			AMD_CG_SUPPORT_DF_MGCG |
1116 			AMD_CG_SUPPORT_SDMA_MGCG |
1117 			AMD_CG_SUPPORT_SDMA_LS |
1118 			AMD_CG_SUPPORT_MC_MGCG |
1119 			AMD_CG_SUPPORT_MC_LS;
1120 		adev->pg_flags = 0;
1121 		adev->external_rev_id = 0x1;
1122 		break;
1123 	case CHIP_VEGA12:
1124 		adev->asic_funcs = &soc15_asic_funcs;
1125 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1126 			AMD_CG_SUPPORT_GFX_MGLS |
1127 			AMD_CG_SUPPORT_GFX_CGCG |
1128 			AMD_CG_SUPPORT_GFX_CGLS |
1129 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1130 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1131 			AMD_CG_SUPPORT_GFX_CP_LS |
1132 			AMD_CG_SUPPORT_MC_LS |
1133 			AMD_CG_SUPPORT_MC_MGCG |
1134 			AMD_CG_SUPPORT_SDMA_MGCG |
1135 			AMD_CG_SUPPORT_SDMA_LS |
1136 			AMD_CG_SUPPORT_BIF_MGCG |
1137 			AMD_CG_SUPPORT_BIF_LS |
1138 			AMD_CG_SUPPORT_HDP_MGCG |
1139 			AMD_CG_SUPPORT_HDP_LS |
1140 			AMD_CG_SUPPORT_ROM_MGCG |
1141 			AMD_CG_SUPPORT_VCE_MGCG |
1142 			AMD_CG_SUPPORT_UVD_MGCG;
1143 		adev->pg_flags = 0;
1144 		adev->external_rev_id = adev->rev_id + 0x14;
1145 		break;
1146 	case CHIP_VEGA20:
1147 		adev->asic_funcs = &vega20_asic_funcs;
1148 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1149 			AMD_CG_SUPPORT_GFX_MGLS |
1150 			AMD_CG_SUPPORT_GFX_CGCG |
1151 			AMD_CG_SUPPORT_GFX_CGLS |
1152 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1153 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1154 			AMD_CG_SUPPORT_GFX_CP_LS |
1155 			AMD_CG_SUPPORT_MC_LS |
1156 			AMD_CG_SUPPORT_MC_MGCG |
1157 			AMD_CG_SUPPORT_SDMA_MGCG |
1158 			AMD_CG_SUPPORT_SDMA_LS |
1159 			AMD_CG_SUPPORT_BIF_MGCG |
1160 			AMD_CG_SUPPORT_BIF_LS |
1161 			AMD_CG_SUPPORT_HDP_MGCG |
1162 			AMD_CG_SUPPORT_HDP_LS |
1163 			AMD_CG_SUPPORT_ROM_MGCG |
1164 			AMD_CG_SUPPORT_VCE_MGCG |
1165 			AMD_CG_SUPPORT_UVD_MGCG;
1166 		adev->pg_flags = 0;
1167 		adev->external_rev_id = adev->rev_id + 0x28;
1168 		break;
1169 	case CHIP_RAVEN:
1170 		adev->asic_funcs = &soc15_asic_funcs;
1171 		if (adev->pdev->device == 0x15dd)
1172 			adev->apu_flags |= AMD_APU_IS_RAVEN;
1173 		if (adev->pdev->device == 0x15d8)
1174 			adev->apu_flags |= AMD_APU_IS_PICASSO;
1175 		if (adev->rev_id >= 0x8)
1176 			adev->apu_flags |= AMD_APU_IS_RAVEN2;
1177 
1178 		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
1179 			adev->external_rev_id = adev->rev_id + 0x79;
1180 		else if (adev->apu_flags & AMD_APU_IS_PICASSO)
1181 			adev->external_rev_id = adev->rev_id + 0x41;
1182 		else if (adev->rev_id == 1)
1183 			adev->external_rev_id = adev->rev_id + 0x20;
1184 		else
1185 			adev->external_rev_id = adev->rev_id + 0x01;
1186 
1187 		if (adev->apu_flags & AMD_APU_IS_RAVEN2) {
1188 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1189 				AMD_CG_SUPPORT_GFX_MGLS |
1190 				AMD_CG_SUPPORT_GFX_CP_LS |
1191 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1192 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1193 				AMD_CG_SUPPORT_GFX_CGCG |
1194 				AMD_CG_SUPPORT_GFX_CGLS |
1195 				AMD_CG_SUPPORT_BIF_LS |
1196 				AMD_CG_SUPPORT_HDP_LS |
1197 				AMD_CG_SUPPORT_ROM_MGCG |
1198 				AMD_CG_SUPPORT_MC_MGCG |
1199 				AMD_CG_SUPPORT_MC_LS |
1200 				AMD_CG_SUPPORT_SDMA_MGCG |
1201 				AMD_CG_SUPPORT_SDMA_LS |
1202 				AMD_CG_SUPPORT_VCN_MGCG;
1203 
1204 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1205 		} else if (adev->apu_flags & AMD_APU_IS_PICASSO) {
1206 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1207 				AMD_CG_SUPPORT_GFX_MGLS |
1208 				AMD_CG_SUPPORT_GFX_CP_LS |
1209 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1210 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1211 				AMD_CG_SUPPORT_GFX_CGCG |
1212 				AMD_CG_SUPPORT_GFX_CGLS |
1213 				AMD_CG_SUPPORT_BIF_LS |
1214 				AMD_CG_SUPPORT_HDP_LS |
1215 				AMD_CG_SUPPORT_ROM_MGCG |
1216 				AMD_CG_SUPPORT_MC_MGCG |
1217 				AMD_CG_SUPPORT_MC_LS |
1218 				AMD_CG_SUPPORT_SDMA_MGCG |
1219 				AMD_CG_SUPPORT_SDMA_LS;
1220 
1221 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1222 				AMD_PG_SUPPORT_MMHUB |
1223 				AMD_PG_SUPPORT_VCN |
1224 				AMD_PG_SUPPORT_VCN_DPG;
1225 		} else {
1226 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1227 				AMD_CG_SUPPORT_GFX_MGLS |
1228 				AMD_CG_SUPPORT_GFX_RLC_LS |
1229 				AMD_CG_SUPPORT_GFX_CP_LS |
1230 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1231 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1232 				AMD_CG_SUPPORT_GFX_CGCG |
1233 				AMD_CG_SUPPORT_GFX_CGLS |
1234 				AMD_CG_SUPPORT_BIF_MGCG |
1235 				AMD_CG_SUPPORT_BIF_LS |
1236 				AMD_CG_SUPPORT_HDP_MGCG |
1237 				AMD_CG_SUPPORT_HDP_LS |
1238 				AMD_CG_SUPPORT_DRM_MGCG |
1239 				AMD_CG_SUPPORT_DRM_LS |
1240 				AMD_CG_SUPPORT_ROM_MGCG |
1241 				AMD_CG_SUPPORT_MC_MGCG |
1242 				AMD_CG_SUPPORT_MC_LS |
1243 				AMD_CG_SUPPORT_SDMA_MGCG |
1244 				AMD_CG_SUPPORT_SDMA_LS |
1245 				AMD_CG_SUPPORT_VCN_MGCG;
1246 
1247 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1248 		}
1249 		break;
1250 	case CHIP_ARCTURUS:
1251 		adev->asic_funcs = &vega20_asic_funcs;
1252 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1253 			AMD_CG_SUPPORT_GFX_MGLS |
1254 			AMD_CG_SUPPORT_GFX_CGCG |
1255 			AMD_CG_SUPPORT_GFX_CGLS |
1256 			AMD_CG_SUPPORT_GFX_CP_LS |
1257 			AMD_CG_SUPPORT_HDP_MGCG |
1258 			AMD_CG_SUPPORT_HDP_LS |
1259 			AMD_CG_SUPPORT_SDMA_MGCG |
1260 			AMD_CG_SUPPORT_SDMA_LS |
1261 			AMD_CG_SUPPORT_MC_MGCG |
1262 			AMD_CG_SUPPORT_MC_LS |
1263 			AMD_CG_SUPPORT_IH_CG |
1264 			AMD_CG_SUPPORT_VCN_MGCG |
1265 			AMD_CG_SUPPORT_JPEG_MGCG;
1266 		adev->pg_flags = AMD_PG_SUPPORT_VCN | AMD_PG_SUPPORT_VCN_DPG;
1267 		adev->external_rev_id = adev->rev_id + 0x32;
1268 		break;
1269 	case CHIP_RENOIR:
1270 		adev->asic_funcs = &soc15_asic_funcs;
1271 		adev->apu_flags |= AMD_APU_IS_RENOIR;
1272 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1273 				 AMD_CG_SUPPORT_GFX_MGLS |
1274 				 AMD_CG_SUPPORT_GFX_3D_CGCG |
1275 				 AMD_CG_SUPPORT_GFX_3D_CGLS |
1276 				 AMD_CG_SUPPORT_GFX_CGCG |
1277 				 AMD_CG_SUPPORT_GFX_CGLS |
1278 				 AMD_CG_SUPPORT_GFX_CP_LS |
1279 				 AMD_CG_SUPPORT_MC_MGCG |
1280 				 AMD_CG_SUPPORT_MC_LS |
1281 				 AMD_CG_SUPPORT_SDMA_MGCG |
1282 				 AMD_CG_SUPPORT_SDMA_LS |
1283 				 AMD_CG_SUPPORT_BIF_LS |
1284 				 AMD_CG_SUPPORT_HDP_LS |
1285 				 AMD_CG_SUPPORT_ROM_MGCG |
1286 				 AMD_CG_SUPPORT_VCN_MGCG |
1287 				 AMD_CG_SUPPORT_JPEG_MGCG |
1288 				 AMD_CG_SUPPORT_IH_CG |
1289 				 AMD_CG_SUPPORT_ATHUB_LS |
1290 				 AMD_CG_SUPPORT_ATHUB_MGCG |
1291 				 AMD_CG_SUPPORT_DF_MGCG;
1292 		adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1293 				 AMD_PG_SUPPORT_VCN |
1294 				 AMD_PG_SUPPORT_JPEG |
1295 				 AMD_PG_SUPPORT_VCN_DPG;
1296 		adev->external_rev_id = adev->rev_id + 0x91;
1297 		break;
1298 	default:
1299 		/* FIXME: not supported yet */
1300 		return -EINVAL;
1301 	}
1302 
1303 	if (amdgpu_sriov_vf(adev)) {
1304 		amdgpu_virt_init_setting(adev);
1305 		xgpu_ai_mailbox_set_irq_funcs(adev);
1306 	}
1307 
1308 	return 0;
1309 }
1310 
1311 static int soc15_common_late_init(void *handle)
1312 {
1313 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1314 	int r = 0;
1315 
1316 	if (amdgpu_sriov_vf(adev))
1317 		xgpu_ai_mailbox_get_irq(adev);
1318 
1319 	if (adev->asic_funcs &&
1320 	    adev->asic_funcs->reset_hdp_ras_error_count)
1321 		adev->asic_funcs->reset_hdp_ras_error_count(adev);
1322 
1323 	if (adev->nbio.funcs->ras_late_init)
1324 		r = adev->nbio.funcs->ras_late_init(adev);
1325 
1326 	return r;
1327 }
1328 
1329 static int soc15_common_sw_init(void *handle)
1330 {
1331 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1332 
1333 	if (amdgpu_sriov_vf(adev))
1334 		xgpu_ai_mailbox_add_irq_id(adev);
1335 
1336 	adev->df.funcs->sw_init(adev);
1337 
1338 	return 0;
1339 }
1340 
1341 static int soc15_common_sw_fini(void *handle)
1342 {
1343 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1344 
1345 	amdgpu_nbio_ras_fini(adev);
1346 	adev->df.funcs->sw_fini(adev);
1347 	return 0;
1348 }
1349 
1350 static void soc15_doorbell_range_init(struct amdgpu_device *adev)
1351 {
1352 	int i;
1353 	struct amdgpu_ring *ring;
1354 
1355 	/* sdma/ih doorbell range are programed by hypervisor */
1356 	if (!amdgpu_sriov_vf(adev)) {
1357 		for (i = 0; i < adev->sdma.num_instances; i++) {
1358 			ring = &adev->sdma.instance[i].ring;
1359 			adev->nbio.funcs->sdma_doorbell_range(adev, i,
1360 				ring->use_doorbell, ring->doorbell_index,
1361 				adev->doorbell_index.sdma_doorbell_range);
1362 		}
1363 
1364 		adev->nbio.funcs->ih_doorbell_range(adev, adev->irq.ih.use_doorbell,
1365 						adev->irq.ih.doorbell_index);
1366 	}
1367 }
1368 
1369 static int soc15_common_hw_init(void *handle)
1370 {
1371 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1372 
1373 	/* enable pcie gen2/3 link */
1374 	soc15_pcie_gen3_enable(adev);
1375 	/* enable aspm */
1376 	soc15_program_aspm(adev);
1377 	/* setup nbio registers */
1378 	adev->nbio.funcs->init_registers(adev);
1379 	/* remap HDP registers to a hole in mmio space,
1380 	 * for the purpose of expose those registers
1381 	 * to process space
1382 	 */
1383 	if (adev->nbio.funcs->remap_hdp_registers)
1384 		adev->nbio.funcs->remap_hdp_registers(adev);
1385 
1386 	/* enable the doorbell aperture */
1387 	soc15_enable_doorbell_aperture(adev, true);
1388 	/* HW doorbell routing policy: doorbell writing not
1389 	 * in SDMA/IH/MM/ACV range will be routed to CP. So
1390 	 * we need to init SDMA/IH/MM/ACV doorbell range prior
1391 	 * to CP ip block init and ring test.
1392 	 */
1393 	soc15_doorbell_range_init(adev);
1394 
1395 	return 0;
1396 }
1397 
1398 static int soc15_common_hw_fini(void *handle)
1399 {
1400 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1401 
1402 	/* disable the doorbell aperture */
1403 	soc15_enable_doorbell_aperture(adev, false);
1404 	if (amdgpu_sriov_vf(adev))
1405 		xgpu_ai_mailbox_put_irq(adev);
1406 
1407 	if (adev->nbio.ras_if &&
1408 	    amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
1409 		if (adev->nbio.funcs->init_ras_controller_interrupt)
1410 			amdgpu_irq_put(adev, &adev->nbio.ras_controller_irq, 0);
1411 		if (adev->nbio.funcs->init_ras_err_event_athub_interrupt)
1412 			amdgpu_irq_put(adev, &adev->nbio.ras_err_event_athub_irq, 0);
1413 	}
1414 
1415 	return 0;
1416 }
1417 
1418 static int soc15_common_suspend(void *handle)
1419 {
1420 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1421 
1422 	return soc15_common_hw_fini(adev);
1423 }
1424 
1425 static int soc15_common_resume(void *handle)
1426 {
1427 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1428 
1429 	return soc15_common_hw_init(adev);
1430 }
1431 
1432 static bool soc15_common_is_idle(void *handle)
1433 {
1434 	return true;
1435 }
1436 
1437 static int soc15_common_wait_for_idle(void *handle)
1438 {
1439 	return 0;
1440 }
1441 
1442 static int soc15_common_soft_reset(void *handle)
1443 {
1444 	return 0;
1445 }
1446 
1447 static void soc15_update_hdp_light_sleep(struct amdgpu_device *adev, bool enable)
1448 {
1449 	uint32_t def, data;
1450 
1451 	if (adev->asic_type == CHIP_VEGA20 ||
1452 		adev->asic_type == CHIP_ARCTURUS) {
1453 		def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL));
1454 
1455 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1456 			data |= HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
1457 				HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
1458 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
1459 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK;
1460 		else
1461 			data &= ~(HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
1462 				HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
1463 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
1464 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK);
1465 
1466 		if (def != data)
1467 			WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL), data);
1468 	} else {
1469 		def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1470 
1471 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1472 			data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1473 		else
1474 			data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1475 
1476 		if (def != data)
1477 			WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data);
1478 	}
1479 }
1480 
1481 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
1482 {
1483 	uint32_t def, data;
1484 
1485 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1486 
1487 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
1488 		data &= ~(0x01000000 |
1489 			  0x02000000 |
1490 			  0x04000000 |
1491 			  0x08000000 |
1492 			  0x10000000 |
1493 			  0x20000000 |
1494 			  0x40000000 |
1495 			  0x80000000);
1496 	else
1497 		data |= (0x01000000 |
1498 			 0x02000000 |
1499 			 0x04000000 |
1500 			 0x08000000 |
1501 			 0x10000000 |
1502 			 0x20000000 |
1503 			 0x40000000 |
1504 			 0x80000000);
1505 
1506 	if (def != data)
1507 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
1508 }
1509 
1510 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
1511 {
1512 	uint32_t def, data;
1513 
1514 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1515 
1516 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
1517 		data |= 1;
1518 	else
1519 		data &= ~1;
1520 
1521 	if (def != data)
1522 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
1523 }
1524 
1525 static void soc15_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
1526 						       bool enable)
1527 {
1528 	uint32_t def, data;
1529 
1530 	def = data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1531 
1532 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
1533 		data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1534 			CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
1535 	else
1536 		data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1537 			CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
1538 
1539 	if (def != data)
1540 		WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0), data);
1541 }
1542 
1543 static int soc15_common_set_clockgating_state(void *handle,
1544 					    enum amd_clockgating_state state)
1545 {
1546 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1547 
1548 	if (amdgpu_sriov_vf(adev))
1549 		return 0;
1550 
1551 	switch (adev->asic_type) {
1552 	case CHIP_VEGA10:
1553 	case CHIP_VEGA12:
1554 	case CHIP_VEGA20:
1555 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1556 				state == AMD_CG_STATE_GATE);
1557 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1558 				state == AMD_CG_STATE_GATE);
1559 		soc15_update_hdp_light_sleep(adev,
1560 				state == AMD_CG_STATE_GATE);
1561 		soc15_update_drm_clock_gating(adev,
1562 				state == AMD_CG_STATE_GATE);
1563 		soc15_update_drm_light_sleep(adev,
1564 				state == AMD_CG_STATE_GATE);
1565 		soc15_update_rom_medium_grain_clock_gating(adev,
1566 				state == AMD_CG_STATE_GATE);
1567 		adev->df.funcs->update_medium_grain_clock_gating(adev,
1568 				state == AMD_CG_STATE_GATE);
1569 		break;
1570 	case CHIP_RAVEN:
1571 	case CHIP_RENOIR:
1572 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1573 				state == AMD_CG_STATE_GATE);
1574 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1575 				state == AMD_CG_STATE_GATE);
1576 		soc15_update_hdp_light_sleep(adev,
1577 				state == AMD_CG_STATE_GATE);
1578 		soc15_update_drm_clock_gating(adev,
1579 				state == AMD_CG_STATE_GATE);
1580 		soc15_update_drm_light_sleep(adev,
1581 				state == AMD_CG_STATE_GATE);
1582 		soc15_update_rom_medium_grain_clock_gating(adev,
1583 				state == AMD_CG_STATE_GATE);
1584 		break;
1585 	case CHIP_ARCTURUS:
1586 		soc15_update_hdp_light_sleep(adev,
1587 				state == AMD_CG_STATE_GATE);
1588 		break;
1589 	default:
1590 		break;
1591 	}
1592 	return 0;
1593 }
1594 
1595 static void soc15_common_get_clockgating_state(void *handle, u32 *flags)
1596 {
1597 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1598 	int data;
1599 
1600 	if (amdgpu_sriov_vf(adev))
1601 		*flags = 0;
1602 
1603 	adev->nbio.funcs->get_clockgating_state(adev, flags);
1604 
1605 	/* AMD_CG_SUPPORT_HDP_LS */
1606 	data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1607 	if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK)
1608 		*flags |= AMD_CG_SUPPORT_HDP_LS;
1609 
1610 	/* AMD_CG_SUPPORT_DRM_MGCG */
1611 	data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1612 	if (!(data & 0x01000000))
1613 		*flags |= AMD_CG_SUPPORT_DRM_MGCG;
1614 
1615 	/* AMD_CG_SUPPORT_DRM_LS */
1616 	data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1617 	if (data & 0x1)
1618 		*flags |= AMD_CG_SUPPORT_DRM_LS;
1619 
1620 	/* AMD_CG_SUPPORT_ROM_MGCG */
1621 	data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1622 	if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK))
1623 		*flags |= AMD_CG_SUPPORT_ROM_MGCG;
1624 
1625 	adev->df.funcs->get_clockgating_state(adev, flags);
1626 }
1627 
1628 static int soc15_common_set_powergating_state(void *handle,
1629 					    enum amd_powergating_state state)
1630 {
1631 	/* todo */
1632 	return 0;
1633 }
1634 
1635 const struct amd_ip_funcs soc15_common_ip_funcs = {
1636 	.name = "soc15_common",
1637 	.early_init = soc15_common_early_init,
1638 	.late_init = soc15_common_late_init,
1639 	.sw_init = soc15_common_sw_init,
1640 	.sw_fini = soc15_common_sw_fini,
1641 	.hw_init = soc15_common_hw_init,
1642 	.hw_fini = soc15_common_hw_fini,
1643 	.suspend = soc15_common_suspend,
1644 	.resume = soc15_common_resume,
1645 	.is_idle = soc15_common_is_idle,
1646 	.wait_for_idle = soc15_common_wait_for_idle,
1647 	.soft_reset = soc15_common_soft_reset,
1648 	.set_clockgating_state = soc15_common_set_clockgating_state,
1649 	.set_powergating_state = soc15_common_set_powergating_state,
1650 	.get_clockgating_state= soc15_common_get_clockgating_state,
1651 };
1652