xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/soc15.c (revision 5edb7691)
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 (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
419 					+ en->reg_offset))
420 			continue;
421 
422 		*value = soc15_get_register_value(adev,
423 						  soc15_allowed_read_registers[i].grbm_indexed,
424 						  se_num, sh_num, reg_offset);
425 		return 0;
426 	}
427 	return -EINVAL;
428 }
429 
430 
431 /**
432  * soc15_program_register_sequence - program an array of registers.
433  *
434  * @adev: amdgpu_device pointer
435  * @regs: pointer to the register array
436  * @array_size: size of the register array
437  *
438  * Programs an array or registers with and and or masks.
439  * This is a helper for setting golden registers.
440  */
441 
442 void soc15_program_register_sequence(struct amdgpu_device *adev,
443 					     const struct soc15_reg_golden *regs,
444 					     const u32 array_size)
445 {
446 	const struct soc15_reg_golden *entry;
447 	u32 tmp, reg;
448 	int i;
449 
450 	for (i = 0; i < array_size; ++i) {
451 		entry = &regs[i];
452 		reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
453 
454 		if (entry->and_mask == 0xffffffff) {
455 			tmp = entry->or_mask;
456 		} else {
457 			tmp = RREG32(reg);
458 			tmp &= ~(entry->and_mask);
459 			tmp |= (entry->or_mask & entry->and_mask);
460 		}
461 
462 		if (reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_BINNER_EVENT_CNTL_3) ||
463 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE) ||
464 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE_1) ||
465 			reg == SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG))
466 			WREG32_RLC(reg, tmp);
467 		else
468 			WREG32(reg, tmp);
469 
470 	}
471 
472 }
473 
474 static int soc15_asic_mode1_reset(struct amdgpu_device *adev)
475 {
476 	u32 i;
477 	int ret = 0;
478 
479 	amdgpu_atombios_scratch_regs_engine_hung(adev, true);
480 
481 	dev_info(adev->dev, "GPU mode1 reset\n");
482 
483 	/* disable BM */
484 	pci_clear_master(adev->pdev);
485 
486 	pci_save_state(adev->pdev);
487 
488 	ret = psp_gpu_reset(adev);
489 	if (ret)
490 		dev_err(adev->dev, "GPU mode1 reset failed\n");
491 
492 	pci_restore_state(adev->pdev);
493 
494 	/* wait for asic to come out of reset */
495 	for (i = 0; i < adev->usec_timeout; i++) {
496 		u32 memsize = adev->nbio.funcs->get_memsize(adev);
497 
498 		if (memsize != 0xffffffff)
499 			break;
500 		udelay(1);
501 	}
502 
503 	amdgpu_atombios_scratch_regs_engine_hung(adev, false);
504 
505 	return ret;
506 }
507 
508 static int soc15_asic_baco_reset(struct amdgpu_device *adev)
509 {
510 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
511 	int ret = 0;
512 
513 	/* avoid NBIF got stuck when do RAS recovery in BACO reset */
514 	if (ras && ras->supported)
515 		adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
516 
517 	ret = amdgpu_dpm_baco_reset(adev);
518 	if (ret)
519 		return ret;
520 
521 	/* re-enable doorbell interrupt after BACO exit */
522 	if (ras && ras->supported)
523 		adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
524 
525 	return 0;
526 }
527 
528 static enum amd_reset_method
529 soc15_asic_reset_method(struct amdgpu_device *adev)
530 {
531 	bool baco_reset = false;
532 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
533 
534 	switch (adev->asic_type) {
535 	case CHIP_RAVEN:
536 	case CHIP_RENOIR:
537 		return AMD_RESET_METHOD_MODE2;
538 	case CHIP_VEGA10:
539 	case CHIP_VEGA12:
540 	case CHIP_ARCTURUS:
541 		baco_reset = amdgpu_dpm_is_baco_supported(adev);
542 		break;
543 	case CHIP_VEGA20:
544 		if (adev->psp.sos_fw_version >= 0x80067)
545 			baco_reset = amdgpu_dpm_is_baco_supported(adev);
546 
547 		/*
548 		 * 1. PMFW version > 0x284300: all cases use baco
549 		 * 2. PMFW version <= 0x284300: only sGPU w/o RAS use baco
550 		 */
551 		if ((ras && ras->supported) && adev->pm.fw_version <= 0x283400)
552 			baco_reset = false;
553 		break;
554 	default:
555 		break;
556 	}
557 
558 	if (baco_reset)
559 		return AMD_RESET_METHOD_BACO;
560 	else
561 		return AMD_RESET_METHOD_MODE1;
562 }
563 
564 static int soc15_asic_reset(struct amdgpu_device *adev)
565 {
566 	/* original raven doesn't have full asic reset */
567 	if (adev->pdev->device == 0x15dd && adev->rev_id < 0x8)
568 		return 0;
569 
570 	switch (soc15_asic_reset_method(adev)) {
571 		case AMD_RESET_METHOD_BACO:
572 			return soc15_asic_baco_reset(adev);
573 		case AMD_RESET_METHOD_MODE2:
574 			return amdgpu_dpm_mode2_reset(adev);
575 		default:
576 			return soc15_asic_mode1_reset(adev);
577 	}
578 }
579 
580 static bool soc15_supports_baco(struct amdgpu_device *adev)
581 {
582 	switch (adev->asic_type) {
583 	case CHIP_VEGA10:
584 	case CHIP_VEGA12:
585 	case CHIP_ARCTURUS:
586 		return amdgpu_dpm_is_baco_supported(adev);
587 	case CHIP_VEGA20:
588 		if (adev->psp.sos_fw_version >= 0x80067)
589 			return amdgpu_dpm_is_baco_supported(adev);
590 		return false;
591 	default:
592 		return false;
593 	}
594 }
595 
596 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
597 			u32 cntl_reg, u32 status_reg)
598 {
599 	return 0;
600 }*/
601 
602 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
603 {
604 	/*int r;
605 
606 	r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
607 	if (r)
608 		return r;
609 
610 	r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
611 	*/
612 	return 0;
613 }
614 
615 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
616 {
617 	/* todo */
618 
619 	return 0;
620 }
621 
622 static void soc15_pcie_gen3_enable(struct amdgpu_device *adev)
623 {
624 	if (pci_is_root_bus(adev->pdev->bus))
625 		return;
626 
627 	if (amdgpu_pcie_gen2 == 0)
628 		return;
629 
630 	if (adev->flags & AMD_IS_APU)
631 		return;
632 
633 	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
634 					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
635 		return;
636 
637 	/* todo */
638 }
639 
640 static void soc15_program_aspm(struct amdgpu_device *adev)
641 {
642 
643 	if (amdgpu_aspm == 0)
644 		return;
645 
646 	/* todo */
647 }
648 
649 static void soc15_enable_doorbell_aperture(struct amdgpu_device *adev,
650 					   bool enable)
651 {
652 	adev->nbio.funcs->enable_doorbell_aperture(adev, enable);
653 	adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, enable);
654 }
655 
656 static const struct amdgpu_ip_block_version vega10_common_ip_block =
657 {
658 	.type = AMD_IP_BLOCK_TYPE_COMMON,
659 	.major = 2,
660 	.minor = 0,
661 	.rev = 0,
662 	.funcs = &soc15_common_ip_funcs,
663 };
664 
665 static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
666 {
667 	return adev->nbio.funcs->get_rev_id(adev);
668 }
669 
670 int soc15_set_ip_blocks(struct amdgpu_device *adev)
671 {
672 	/* Set IP register base before any HW register access */
673 	switch (adev->asic_type) {
674 	case CHIP_VEGA10:
675 	case CHIP_VEGA12:
676 	case CHIP_RAVEN:
677 	case CHIP_RENOIR:
678 		vega10_reg_base_init(adev);
679 		break;
680 	case CHIP_VEGA20:
681 		vega20_reg_base_init(adev);
682 		break;
683 	case CHIP_ARCTURUS:
684 		arct_reg_base_init(adev);
685 		break;
686 	default:
687 		return -EINVAL;
688 	}
689 
690 	if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
691 		adev->gmc.xgmi.supported = true;
692 
693 	if (adev->flags & AMD_IS_APU) {
694 		adev->nbio.funcs = &nbio_v7_0_funcs;
695 		adev->nbio.hdp_flush_reg = &nbio_v7_0_hdp_flush_reg;
696 	} else if (adev->asic_type == CHIP_VEGA20 ||
697 		   adev->asic_type == CHIP_ARCTURUS) {
698 		adev->nbio.funcs = &nbio_v7_4_funcs;
699 		adev->nbio.hdp_flush_reg = &nbio_v7_4_hdp_flush_reg;
700 	} else {
701 		adev->nbio.funcs = &nbio_v6_1_funcs;
702 		adev->nbio.hdp_flush_reg = &nbio_v6_1_hdp_flush_reg;
703 	}
704 
705 	if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
706 		adev->df.funcs = &df_v3_6_funcs;
707 	else
708 		adev->df.funcs = &df_v1_7_funcs;
709 
710 	adev->rev_id = soc15_get_rev_id(adev);
711 
712 	if (amdgpu_sriov_vf(adev))
713 		adev->virt.ops = &xgpu_ai_virt_ops;
714 
715 	switch (adev->asic_type) {
716 	case CHIP_VEGA10:
717 	case CHIP_VEGA12:
718 	case CHIP_VEGA20:
719 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
720 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
721 
722 		/* For Vega10 SR-IOV, PSP need to be initialized before IH */
723 		if (amdgpu_sriov_vf(adev)) {
724 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
725 				if (adev->asic_type == CHIP_VEGA20)
726 					amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
727 				else
728 					amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
729 			}
730 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
731 		} else {
732 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
733 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
734 				if (adev->asic_type == CHIP_VEGA20)
735 					amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
736 				else
737 					amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
738 			}
739 		}
740 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
741 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
742 		if (is_support_sw_smu(adev)) {
743 			if (!amdgpu_sriov_vf(adev))
744 				amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
745 		} else {
746 			amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
747 		}
748 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
749 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
750 #if defined(CONFIG_DRM_AMD_DC)
751 		else if (amdgpu_device_has_dc_support(adev))
752 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
753 #endif
754 		if (!(adev->asic_type == CHIP_VEGA20 && amdgpu_sriov_vf(adev))) {
755 			amdgpu_device_ip_block_add(adev, &uvd_v7_0_ip_block);
756 			amdgpu_device_ip_block_add(adev, &vce_v4_0_ip_block);
757 		}
758 		break;
759 	case CHIP_RAVEN:
760 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
761 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
762 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
763 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
764 			amdgpu_device_ip_block_add(adev, &psp_v10_0_ip_block);
765 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
766 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
767 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
768 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
769 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
770 #if defined(CONFIG_DRM_AMD_DC)
771 		else if (amdgpu_device_has_dc_support(adev))
772 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
773 #endif
774 		amdgpu_device_ip_block_add(adev, &vcn_v1_0_ip_block);
775 		break;
776 	case CHIP_ARCTURUS:
777 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
778 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
779 
780 		if (amdgpu_sriov_vf(adev)) {
781 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
782 				amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
783 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
784 		} else {
785 			amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
786 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
787 				amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
788 		}
789 
790 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
791 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
792 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
793 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
794 		amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
795 
796 		if (amdgpu_sriov_vf(adev)) {
797 			if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
798 				amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
799 		} else {
800 			amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
801 		}
802 		if (!amdgpu_sriov_vf(adev))
803 			amdgpu_device_ip_block_add(adev, &jpeg_v2_5_ip_block);
804 		break;
805 	case CHIP_RENOIR:
806 		amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
807 		amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
808 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
809 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
810 			amdgpu_device_ip_block_add(adev, &psp_v12_0_ip_block);
811 		amdgpu_device_ip_block_add(adev, &smu_v12_0_ip_block);
812 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
813 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
814 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
815 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
816 #if defined(CONFIG_DRM_AMD_DC)
817                 else if (amdgpu_device_has_dc_support(adev))
818                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
819 #endif
820 		amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
821 		amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);
822 		break;
823 	default:
824 		return -EINVAL;
825 	}
826 
827 	return 0;
828 }
829 
830 static void soc15_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
831 {
832 	adev->nbio.funcs->hdp_flush(adev, ring);
833 }
834 
835 static void soc15_invalidate_hdp(struct amdgpu_device *adev,
836 				 struct amdgpu_ring *ring)
837 {
838 	if (!ring || !ring->funcs->emit_wreg)
839 		WREG32_SOC15_NO_KIQ(HDP, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
840 	else
841 		amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
842 			HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
843 }
844 
845 static bool soc15_need_full_reset(struct amdgpu_device *adev)
846 {
847 	/* change this when we implement soft reset */
848 	return true;
849 }
850 
851 static void vega20_reset_hdp_ras_error_count(struct amdgpu_device *adev)
852 {
853 	if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__HDP))
854 		return;
855 	/*read back hdp ras counter to reset it to 0 */
856 	RREG32_SOC15(HDP, 0, mmHDP_EDC_CNT);
857 }
858 
859 static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
860 				 uint64_t *count1)
861 {
862 	uint32_t perfctr = 0;
863 	uint64_t cnt0_of, cnt1_of;
864 	int tmp;
865 
866 	/* This reports 0 on APUs, so return to avoid writing/reading registers
867 	 * that may or may not be different from their GPU counterparts
868 	 */
869 	if (adev->flags & AMD_IS_APU)
870 		return;
871 
872 	/* Set the 2 events that we wish to watch, defined above */
873 	/* Reg 40 is # received msgs */
874 	/* Reg 104 is # of posted requests sent */
875 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
876 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
877 
878 	/* Write to enable desired perf counters */
879 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr);
880 	/* Zero out and enable the perf counters
881 	 * Write 0x5:
882 	 * Bit 0 = Start all counters(1)
883 	 * Bit 2 = Global counter reset enable(1)
884 	 */
885 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
886 
887 	msleep(1000);
888 
889 	/* Load the shadow and disable the perf counters
890 	 * Write 0x2:
891 	 * Bit 0 = Stop counters(0)
892 	 * Bit 1 = Load the shadow counters(1)
893 	 */
894 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
895 
896 	/* Read register values to get any >32bit overflow */
897 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK);
898 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
899 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
900 
901 	/* Get the values and add the overflow */
902 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
903 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
904 }
905 
906 static void vega20_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
907 				 uint64_t *count1)
908 {
909 	uint32_t perfctr = 0;
910 	uint64_t cnt0_of, cnt1_of;
911 	int tmp;
912 
913 	/* This reports 0 on APUs, so return to avoid writing/reading registers
914 	 * that may or may not be different from their GPU counterparts
915 	 */
916 	if (adev->flags & AMD_IS_APU)
917 		return;
918 
919 	/* Set the 2 events that we wish to watch, defined above */
920 	/* Reg 40 is # received msgs */
921 	/* Reg 108 is # of posted requests sent on VG20 */
922 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
923 				EVENT0_SEL, 40);
924 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
925 				EVENT1_SEL, 108);
926 
927 	/* Write to enable desired perf counters */
928 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3, perfctr);
929 	/* Zero out and enable the perf counters
930 	 * Write 0x5:
931 	 * Bit 0 = Start all counters(1)
932 	 * Bit 2 = Global counter reset enable(1)
933 	 */
934 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
935 
936 	msleep(1000);
937 
938 	/* Load the shadow and disable the perf counters
939 	 * Write 0x2:
940 	 * Bit 0 = Stop counters(0)
941 	 * Bit 1 = Load the shadow counters(1)
942 	 */
943 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
944 
945 	/* Read register values to get any >32bit overflow */
946 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3);
947 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER0_UPPER);
948 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER1_UPPER);
949 
950 	/* Get the values and add the overflow */
951 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK3) | (cnt0_of << 32);
952 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK3) | (cnt1_of << 32);
953 }
954 
955 static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
956 {
957 	u32 sol_reg;
958 
959 	/* Just return false for soc15 GPUs.  Reset does not seem to
960 	 * be necessary.
961 	 */
962 	if (!amdgpu_passthrough(adev))
963 		return false;
964 
965 	if (adev->flags & AMD_IS_APU)
966 		return false;
967 
968 	/* Check sOS sign of life register to confirm sys driver and sOS
969 	 * are already been loaded.
970 	 */
971 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
972 	if (sol_reg)
973 		return true;
974 
975 	return false;
976 }
977 
978 static uint64_t soc15_get_pcie_replay_count(struct amdgpu_device *adev)
979 {
980 	uint64_t nak_r, nak_g;
981 
982 	/* Get the number of NAKs received and generated */
983 	nak_r = RREG32_PCIE(smnPCIE_RX_NUM_NAK);
984 	nak_g = RREG32_PCIE(smnPCIE_RX_NUM_NAK_GENERATED);
985 
986 	/* Add the total number of NAKs, i.e the number of replays */
987 	return (nak_r + nak_g);
988 }
989 
990 static const struct amdgpu_asic_funcs soc15_asic_funcs =
991 {
992 	.read_disabled_bios = &soc15_read_disabled_bios,
993 	.read_bios_from_rom = &soc15_read_bios_from_rom,
994 	.read_register = &soc15_read_register,
995 	.reset = &soc15_asic_reset,
996 	.reset_method = &soc15_asic_reset_method,
997 	.set_vga_state = &soc15_vga_set_state,
998 	.get_xclk = &soc15_get_xclk,
999 	.set_uvd_clocks = &soc15_set_uvd_clocks,
1000 	.set_vce_clocks = &soc15_set_vce_clocks,
1001 	.get_config_memsize = &soc15_get_config_memsize,
1002 	.flush_hdp = &soc15_flush_hdp,
1003 	.invalidate_hdp = &soc15_invalidate_hdp,
1004 	.need_full_reset = &soc15_need_full_reset,
1005 	.init_doorbell_index = &vega10_doorbell_index_init,
1006 	.get_pcie_usage = &soc15_get_pcie_usage,
1007 	.need_reset_on_init = &soc15_need_reset_on_init,
1008 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
1009 	.supports_baco = &soc15_supports_baco,
1010 };
1011 
1012 static const struct amdgpu_asic_funcs vega20_asic_funcs =
1013 {
1014 	.read_disabled_bios = &soc15_read_disabled_bios,
1015 	.read_bios_from_rom = &soc15_read_bios_from_rom,
1016 	.read_register = &soc15_read_register,
1017 	.reset = &soc15_asic_reset,
1018 	.reset_method = &soc15_asic_reset_method,
1019 	.set_vga_state = &soc15_vga_set_state,
1020 	.get_xclk = &soc15_get_xclk,
1021 	.set_uvd_clocks = &soc15_set_uvd_clocks,
1022 	.set_vce_clocks = &soc15_set_vce_clocks,
1023 	.get_config_memsize = &soc15_get_config_memsize,
1024 	.flush_hdp = &soc15_flush_hdp,
1025 	.invalidate_hdp = &soc15_invalidate_hdp,
1026 	.reset_hdp_ras_error_count = &vega20_reset_hdp_ras_error_count,
1027 	.need_full_reset = &soc15_need_full_reset,
1028 	.init_doorbell_index = &vega20_doorbell_index_init,
1029 	.get_pcie_usage = &vega20_get_pcie_usage,
1030 	.need_reset_on_init = &soc15_need_reset_on_init,
1031 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
1032 	.supports_baco = &soc15_supports_baco,
1033 };
1034 
1035 static int soc15_common_early_init(void *handle)
1036 {
1037 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
1038 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1039 
1040 	adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
1041 	adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
1042 	adev->smc_rreg = NULL;
1043 	adev->smc_wreg = NULL;
1044 	adev->pcie_rreg = &soc15_pcie_rreg;
1045 	adev->pcie_wreg = &soc15_pcie_wreg;
1046 	adev->pcie_rreg64 = &soc15_pcie_rreg64;
1047 	adev->pcie_wreg64 = &soc15_pcie_wreg64;
1048 	adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
1049 	adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
1050 	adev->didt_rreg = &soc15_didt_rreg;
1051 	adev->didt_wreg = &soc15_didt_wreg;
1052 	adev->gc_cac_rreg = &soc15_gc_cac_rreg;
1053 	adev->gc_cac_wreg = &soc15_gc_cac_wreg;
1054 	adev->se_cac_rreg = &soc15_se_cac_rreg;
1055 	adev->se_cac_wreg = &soc15_se_cac_wreg;
1056 
1057 
1058 	adev->external_rev_id = 0xFF;
1059 	switch (adev->asic_type) {
1060 	case CHIP_VEGA10:
1061 		adev->asic_funcs = &soc15_asic_funcs;
1062 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1063 			AMD_CG_SUPPORT_GFX_MGLS |
1064 			AMD_CG_SUPPORT_GFX_RLC_LS |
1065 			AMD_CG_SUPPORT_GFX_CP_LS |
1066 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1067 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1068 			AMD_CG_SUPPORT_GFX_CGCG |
1069 			AMD_CG_SUPPORT_GFX_CGLS |
1070 			AMD_CG_SUPPORT_BIF_MGCG |
1071 			AMD_CG_SUPPORT_BIF_LS |
1072 			AMD_CG_SUPPORT_HDP_LS |
1073 			AMD_CG_SUPPORT_DRM_MGCG |
1074 			AMD_CG_SUPPORT_DRM_LS |
1075 			AMD_CG_SUPPORT_ROM_MGCG |
1076 			AMD_CG_SUPPORT_DF_MGCG |
1077 			AMD_CG_SUPPORT_SDMA_MGCG |
1078 			AMD_CG_SUPPORT_SDMA_LS |
1079 			AMD_CG_SUPPORT_MC_MGCG |
1080 			AMD_CG_SUPPORT_MC_LS;
1081 		adev->pg_flags = 0;
1082 		adev->external_rev_id = 0x1;
1083 		break;
1084 	case CHIP_VEGA12:
1085 		adev->asic_funcs = &soc15_asic_funcs;
1086 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1087 			AMD_CG_SUPPORT_GFX_MGLS |
1088 			AMD_CG_SUPPORT_GFX_CGCG |
1089 			AMD_CG_SUPPORT_GFX_CGLS |
1090 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1091 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1092 			AMD_CG_SUPPORT_GFX_CP_LS |
1093 			AMD_CG_SUPPORT_MC_LS |
1094 			AMD_CG_SUPPORT_MC_MGCG |
1095 			AMD_CG_SUPPORT_SDMA_MGCG |
1096 			AMD_CG_SUPPORT_SDMA_LS |
1097 			AMD_CG_SUPPORT_BIF_MGCG |
1098 			AMD_CG_SUPPORT_BIF_LS |
1099 			AMD_CG_SUPPORT_HDP_MGCG |
1100 			AMD_CG_SUPPORT_HDP_LS |
1101 			AMD_CG_SUPPORT_ROM_MGCG |
1102 			AMD_CG_SUPPORT_VCE_MGCG |
1103 			AMD_CG_SUPPORT_UVD_MGCG;
1104 		adev->pg_flags = 0;
1105 		adev->external_rev_id = adev->rev_id + 0x14;
1106 		break;
1107 	case CHIP_VEGA20:
1108 		adev->asic_funcs = &vega20_asic_funcs;
1109 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1110 			AMD_CG_SUPPORT_GFX_MGLS |
1111 			AMD_CG_SUPPORT_GFX_CGCG |
1112 			AMD_CG_SUPPORT_GFX_CGLS |
1113 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1114 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1115 			AMD_CG_SUPPORT_GFX_CP_LS |
1116 			AMD_CG_SUPPORT_MC_LS |
1117 			AMD_CG_SUPPORT_MC_MGCG |
1118 			AMD_CG_SUPPORT_SDMA_MGCG |
1119 			AMD_CG_SUPPORT_SDMA_LS |
1120 			AMD_CG_SUPPORT_BIF_MGCG |
1121 			AMD_CG_SUPPORT_BIF_LS |
1122 			AMD_CG_SUPPORT_HDP_MGCG |
1123 			AMD_CG_SUPPORT_HDP_LS |
1124 			AMD_CG_SUPPORT_ROM_MGCG |
1125 			AMD_CG_SUPPORT_VCE_MGCG |
1126 			AMD_CG_SUPPORT_UVD_MGCG;
1127 		adev->pg_flags = 0;
1128 		adev->external_rev_id = adev->rev_id + 0x28;
1129 		break;
1130 	case CHIP_RAVEN:
1131 		adev->asic_funcs = &soc15_asic_funcs;
1132 		if (adev->rev_id >= 0x8)
1133 			adev->external_rev_id = adev->rev_id + 0x79;
1134 		else if (adev->pdev->device == 0x15d8)
1135 			adev->external_rev_id = adev->rev_id + 0x41;
1136 		else if (adev->rev_id == 1)
1137 			adev->external_rev_id = adev->rev_id + 0x20;
1138 		else
1139 			adev->external_rev_id = adev->rev_id + 0x01;
1140 
1141 		if (adev->rev_id >= 0x8) {
1142 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1143 				AMD_CG_SUPPORT_GFX_MGLS |
1144 				AMD_CG_SUPPORT_GFX_CP_LS |
1145 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1146 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1147 				AMD_CG_SUPPORT_GFX_CGCG |
1148 				AMD_CG_SUPPORT_GFX_CGLS |
1149 				AMD_CG_SUPPORT_BIF_LS |
1150 				AMD_CG_SUPPORT_HDP_LS |
1151 				AMD_CG_SUPPORT_ROM_MGCG |
1152 				AMD_CG_SUPPORT_MC_MGCG |
1153 				AMD_CG_SUPPORT_MC_LS |
1154 				AMD_CG_SUPPORT_SDMA_MGCG |
1155 				AMD_CG_SUPPORT_SDMA_LS |
1156 				AMD_CG_SUPPORT_VCN_MGCG;
1157 
1158 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1159 		} else if (adev->pdev->device == 0x15d8) {
1160 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1161 				AMD_CG_SUPPORT_GFX_MGLS |
1162 				AMD_CG_SUPPORT_GFX_CP_LS |
1163 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1164 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1165 				AMD_CG_SUPPORT_GFX_CGCG |
1166 				AMD_CG_SUPPORT_GFX_CGLS |
1167 				AMD_CG_SUPPORT_BIF_LS |
1168 				AMD_CG_SUPPORT_HDP_LS |
1169 				AMD_CG_SUPPORT_ROM_MGCG |
1170 				AMD_CG_SUPPORT_MC_MGCG |
1171 				AMD_CG_SUPPORT_MC_LS |
1172 				AMD_CG_SUPPORT_SDMA_MGCG |
1173 				AMD_CG_SUPPORT_SDMA_LS;
1174 
1175 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1176 				AMD_PG_SUPPORT_MMHUB |
1177 				AMD_PG_SUPPORT_VCN |
1178 				AMD_PG_SUPPORT_VCN_DPG;
1179 		} else {
1180 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1181 				AMD_CG_SUPPORT_GFX_MGLS |
1182 				AMD_CG_SUPPORT_GFX_RLC_LS |
1183 				AMD_CG_SUPPORT_GFX_CP_LS |
1184 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1185 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1186 				AMD_CG_SUPPORT_GFX_CGCG |
1187 				AMD_CG_SUPPORT_GFX_CGLS |
1188 				AMD_CG_SUPPORT_BIF_MGCG |
1189 				AMD_CG_SUPPORT_BIF_LS |
1190 				AMD_CG_SUPPORT_HDP_MGCG |
1191 				AMD_CG_SUPPORT_HDP_LS |
1192 				AMD_CG_SUPPORT_DRM_MGCG |
1193 				AMD_CG_SUPPORT_DRM_LS |
1194 				AMD_CG_SUPPORT_ROM_MGCG |
1195 				AMD_CG_SUPPORT_MC_MGCG |
1196 				AMD_CG_SUPPORT_MC_LS |
1197 				AMD_CG_SUPPORT_SDMA_MGCG |
1198 				AMD_CG_SUPPORT_SDMA_LS |
1199 				AMD_CG_SUPPORT_VCN_MGCG;
1200 
1201 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1202 		}
1203 		break;
1204 	case CHIP_ARCTURUS:
1205 		adev->asic_funcs = &vega20_asic_funcs;
1206 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1207 			AMD_CG_SUPPORT_GFX_MGLS |
1208 			AMD_CG_SUPPORT_GFX_CGCG |
1209 			AMD_CG_SUPPORT_GFX_CGLS |
1210 			AMD_CG_SUPPORT_GFX_CP_LS |
1211 			AMD_CG_SUPPORT_HDP_MGCG |
1212 			AMD_CG_SUPPORT_HDP_LS |
1213 			AMD_CG_SUPPORT_SDMA_MGCG |
1214 			AMD_CG_SUPPORT_SDMA_LS |
1215 			AMD_CG_SUPPORT_MC_MGCG |
1216 			AMD_CG_SUPPORT_MC_LS |
1217 			AMD_CG_SUPPORT_IH_CG |
1218 			AMD_CG_SUPPORT_VCN_MGCG |
1219 			AMD_CG_SUPPORT_JPEG_MGCG;
1220 		adev->pg_flags = AMD_PG_SUPPORT_VCN | AMD_PG_SUPPORT_VCN_DPG;
1221 		adev->external_rev_id = adev->rev_id + 0x32;
1222 		break;
1223 	case CHIP_RENOIR:
1224 		adev->asic_funcs = &soc15_asic_funcs;
1225 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1226 				 AMD_CG_SUPPORT_GFX_MGLS |
1227 				 AMD_CG_SUPPORT_GFX_3D_CGCG |
1228 				 AMD_CG_SUPPORT_GFX_3D_CGLS |
1229 				 AMD_CG_SUPPORT_GFX_CGCG |
1230 				 AMD_CG_SUPPORT_GFX_CGLS |
1231 				 AMD_CG_SUPPORT_GFX_CP_LS |
1232 				 AMD_CG_SUPPORT_MC_MGCG |
1233 				 AMD_CG_SUPPORT_MC_LS |
1234 				 AMD_CG_SUPPORT_SDMA_MGCG |
1235 				 AMD_CG_SUPPORT_SDMA_LS |
1236 				 AMD_CG_SUPPORT_BIF_LS |
1237 				 AMD_CG_SUPPORT_HDP_LS |
1238 				 AMD_CG_SUPPORT_ROM_MGCG |
1239 				 AMD_CG_SUPPORT_VCN_MGCG |
1240 				 AMD_CG_SUPPORT_JPEG_MGCG |
1241 				 AMD_CG_SUPPORT_IH_CG |
1242 				 AMD_CG_SUPPORT_ATHUB_LS |
1243 				 AMD_CG_SUPPORT_ATHUB_MGCG |
1244 				 AMD_CG_SUPPORT_DF_MGCG;
1245 		adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1246 				 AMD_PG_SUPPORT_VCN |
1247 				 AMD_PG_SUPPORT_JPEG |
1248 				 AMD_PG_SUPPORT_VCN_DPG;
1249 		adev->external_rev_id = adev->rev_id + 0x91;
1250 		break;
1251 	default:
1252 		/* FIXME: not supported yet */
1253 		return -EINVAL;
1254 	}
1255 
1256 	if (amdgpu_sriov_vf(adev)) {
1257 		amdgpu_virt_init_setting(adev);
1258 		xgpu_ai_mailbox_set_irq_funcs(adev);
1259 	}
1260 
1261 	return 0;
1262 }
1263 
1264 static int soc15_common_late_init(void *handle)
1265 {
1266 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1267 	int r = 0;
1268 
1269 	if (amdgpu_sriov_vf(adev))
1270 		xgpu_ai_mailbox_get_irq(adev);
1271 
1272 	if (adev->asic_funcs &&
1273 	    adev->asic_funcs->reset_hdp_ras_error_count)
1274 		adev->asic_funcs->reset_hdp_ras_error_count(adev);
1275 
1276 	if (adev->nbio.funcs->ras_late_init)
1277 		r = adev->nbio.funcs->ras_late_init(adev);
1278 
1279 	return r;
1280 }
1281 
1282 static int soc15_common_sw_init(void *handle)
1283 {
1284 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1285 
1286 	if (amdgpu_sriov_vf(adev))
1287 		xgpu_ai_mailbox_add_irq_id(adev);
1288 
1289 	adev->df.funcs->sw_init(adev);
1290 
1291 	return 0;
1292 }
1293 
1294 static int soc15_common_sw_fini(void *handle)
1295 {
1296 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1297 
1298 	amdgpu_nbio_ras_fini(adev);
1299 	adev->df.funcs->sw_fini(adev);
1300 	return 0;
1301 }
1302 
1303 static void soc15_doorbell_range_init(struct amdgpu_device *adev)
1304 {
1305 	int i;
1306 	struct amdgpu_ring *ring;
1307 
1308 	/* sdma/ih doorbell range are programed by hypervisor */
1309 	if (!amdgpu_sriov_vf(adev)) {
1310 		for (i = 0; i < adev->sdma.num_instances; i++) {
1311 			ring = &adev->sdma.instance[i].ring;
1312 			adev->nbio.funcs->sdma_doorbell_range(adev, i,
1313 				ring->use_doorbell, ring->doorbell_index,
1314 				adev->doorbell_index.sdma_doorbell_range);
1315 		}
1316 
1317 		adev->nbio.funcs->ih_doorbell_range(adev, adev->irq.ih.use_doorbell,
1318 						adev->irq.ih.doorbell_index);
1319 	}
1320 }
1321 
1322 static int soc15_common_hw_init(void *handle)
1323 {
1324 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1325 
1326 	/* enable pcie gen2/3 link */
1327 	soc15_pcie_gen3_enable(adev);
1328 	/* enable aspm */
1329 	soc15_program_aspm(adev);
1330 	/* setup nbio registers */
1331 	adev->nbio.funcs->init_registers(adev);
1332 	/* remap HDP registers to a hole in mmio space,
1333 	 * for the purpose of expose those registers
1334 	 * to process space
1335 	 */
1336 	if (adev->nbio.funcs->remap_hdp_registers)
1337 		adev->nbio.funcs->remap_hdp_registers(adev);
1338 
1339 	/* enable the doorbell aperture */
1340 	soc15_enable_doorbell_aperture(adev, true);
1341 	/* HW doorbell routing policy: doorbell writing not
1342 	 * in SDMA/IH/MM/ACV range will be routed to CP. So
1343 	 * we need to init SDMA/IH/MM/ACV doorbell range prior
1344 	 * to CP ip block init and ring test.
1345 	 */
1346 	soc15_doorbell_range_init(adev);
1347 
1348 	return 0;
1349 }
1350 
1351 static int soc15_common_hw_fini(void *handle)
1352 {
1353 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1354 
1355 	/* disable the doorbell aperture */
1356 	soc15_enable_doorbell_aperture(adev, false);
1357 	if (amdgpu_sriov_vf(adev))
1358 		xgpu_ai_mailbox_put_irq(adev);
1359 
1360 	if (adev->nbio.ras_if &&
1361 	    amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
1362 		if (adev->nbio.funcs->init_ras_controller_interrupt)
1363 			amdgpu_irq_put(adev, &adev->nbio.ras_controller_irq, 0);
1364 		if (adev->nbio.funcs->init_ras_err_event_athub_interrupt)
1365 			amdgpu_irq_put(adev, &adev->nbio.ras_err_event_athub_irq, 0);
1366 	}
1367 
1368 	return 0;
1369 }
1370 
1371 static int soc15_common_suspend(void *handle)
1372 {
1373 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1374 
1375 	return soc15_common_hw_fini(adev);
1376 }
1377 
1378 static int soc15_common_resume(void *handle)
1379 {
1380 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1381 
1382 	return soc15_common_hw_init(adev);
1383 }
1384 
1385 static bool soc15_common_is_idle(void *handle)
1386 {
1387 	return true;
1388 }
1389 
1390 static int soc15_common_wait_for_idle(void *handle)
1391 {
1392 	return 0;
1393 }
1394 
1395 static int soc15_common_soft_reset(void *handle)
1396 {
1397 	return 0;
1398 }
1399 
1400 static void soc15_update_hdp_light_sleep(struct amdgpu_device *adev, bool enable)
1401 {
1402 	uint32_t def, data;
1403 
1404 	if (adev->asic_type == CHIP_VEGA20 ||
1405 		adev->asic_type == CHIP_ARCTURUS) {
1406 		def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL));
1407 
1408 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1409 			data |= HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
1410 				HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
1411 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
1412 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK;
1413 		else
1414 			data &= ~(HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
1415 				HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
1416 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
1417 				HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK);
1418 
1419 		if (def != data)
1420 			WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL), data);
1421 	} else {
1422 		def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1423 
1424 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1425 			data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1426 		else
1427 			data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1428 
1429 		if (def != data)
1430 			WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data);
1431 	}
1432 }
1433 
1434 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
1435 {
1436 	uint32_t def, data;
1437 
1438 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1439 
1440 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
1441 		data &= ~(0x01000000 |
1442 			  0x02000000 |
1443 			  0x04000000 |
1444 			  0x08000000 |
1445 			  0x10000000 |
1446 			  0x20000000 |
1447 			  0x40000000 |
1448 			  0x80000000);
1449 	else
1450 		data |= (0x01000000 |
1451 			 0x02000000 |
1452 			 0x04000000 |
1453 			 0x08000000 |
1454 			 0x10000000 |
1455 			 0x20000000 |
1456 			 0x40000000 |
1457 			 0x80000000);
1458 
1459 	if (def != data)
1460 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
1461 }
1462 
1463 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
1464 {
1465 	uint32_t def, data;
1466 
1467 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1468 
1469 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
1470 		data |= 1;
1471 	else
1472 		data &= ~1;
1473 
1474 	if (def != data)
1475 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
1476 }
1477 
1478 static void soc15_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
1479 						       bool enable)
1480 {
1481 	uint32_t def, data;
1482 
1483 	def = data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1484 
1485 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
1486 		data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1487 			CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
1488 	else
1489 		data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1490 			CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
1491 
1492 	if (def != data)
1493 		WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0), data);
1494 }
1495 
1496 static int soc15_common_set_clockgating_state(void *handle,
1497 					    enum amd_clockgating_state state)
1498 {
1499 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1500 
1501 	if (amdgpu_sriov_vf(adev))
1502 		return 0;
1503 
1504 	switch (adev->asic_type) {
1505 	case CHIP_VEGA10:
1506 	case CHIP_VEGA12:
1507 	case CHIP_VEGA20:
1508 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1509 				state == AMD_CG_STATE_GATE);
1510 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1511 				state == AMD_CG_STATE_GATE);
1512 		soc15_update_hdp_light_sleep(adev,
1513 				state == AMD_CG_STATE_GATE);
1514 		soc15_update_drm_clock_gating(adev,
1515 				state == AMD_CG_STATE_GATE);
1516 		soc15_update_drm_light_sleep(adev,
1517 				state == AMD_CG_STATE_GATE);
1518 		soc15_update_rom_medium_grain_clock_gating(adev,
1519 				state == AMD_CG_STATE_GATE);
1520 		adev->df.funcs->update_medium_grain_clock_gating(adev,
1521 				state == AMD_CG_STATE_GATE);
1522 		break;
1523 	case CHIP_RAVEN:
1524 	case CHIP_RENOIR:
1525 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1526 				state == AMD_CG_STATE_GATE);
1527 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1528 				state == AMD_CG_STATE_GATE);
1529 		soc15_update_hdp_light_sleep(adev,
1530 				state == AMD_CG_STATE_GATE);
1531 		soc15_update_drm_clock_gating(adev,
1532 				state == AMD_CG_STATE_GATE);
1533 		soc15_update_drm_light_sleep(adev,
1534 				state == AMD_CG_STATE_GATE);
1535 		soc15_update_rom_medium_grain_clock_gating(adev,
1536 				state == AMD_CG_STATE_GATE);
1537 		break;
1538 	case CHIP_ARCTURUS:
1539 		soc15_update_hdp_light_sleep(adev,
1540 				state == AMD_CG_STATE_GATE);
1541 		break;
1542 	default:
1543 		break;
1544 	}
1545 	return 0;
1546 }
1547 
1548 static void soc15_common_get_clockgating_state(void *handle, u32 *flags)
1549 {
1550 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1551 	int data;
1552 
1553 	if (amdgpu_sriov_vf(adev))
1554 		*flags = 0;
1555 
1556 	adev->nbio.funcs->get_clockgating_state(adev, flags);
1557 
1558 	/* AMD_CG_SUPPORT_HDP_LS */
1559 	data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1560 	if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK)
1561 		*flags |= AMD_CG_SUPPORT_HDP_LS;
1562 
1563 	/* AMD_CG_SUPPORT_DRM_MGCG */
1564 	data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1565 	if (!(data & 0x01000000))
1566 		*flags |= AMD_CG_SUPPORT_DRM_MGCG;
1567 
1568 	/* AMD_CG_SUPPORT_DRM_LS */
1569 	data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1570 	if (data & 0x1)
1571 		*flags |= AMD_CG_SUPPORT_DRM_LS;
1572 
1573 	/* AMD_CG_SUPPORT_ROM_MGCG */
1574 	data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1575 	if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK))
1576 		*flags |= AMD_CG_SUPPORT_ROM_MGCG;
1577 
1578 	adev->df.funcs->get_clockgating_state(adev, flags);
1579 }
1580 
1581 static int soc15_common_set_powergating_state(void *handle,
1582 					    enum amd_powergating_state state)
1583 {
1584 	/* todo */
1585 	return 0;
1586 }
1587 
1588 const struct amd_ip_funcs soc15_common_ip_funcs = {
1589 	.name = "soc15_common",
1590 	.early_init = soc15_common_early_init,
1591 	.late_init = soc15_common_late_init,
1592 	.sw_init = soc15_common_sw_init,
1593 	.sw_fini = soc15_common_sw_fini,
1594 	.hw_init = soc15_common_hw_init,
1595 	.hw_fini = soc15_common_hw_fini,
1596 	.suspend = soc15_common_suspend,
1597 	.resume = soc15_common_resume,
1598 	.is_idle = soc15_common_is_idle,
1599 	.wait_for_idle = soc15_common_wait_for_idle,
1600 	.soft_reset = soc15_common_soft_reset,
1601 	.set_clockgating_state = soc15_common_set_clockgating_state,
1602 	.set_powergating_state = soc15_common_set_powergating_state,
1603 	.get_clockgating_state= soc15_common_get_clockgating_state,
1604 };
1605