xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vi.c (revision c51d39010a1bccc9c1294e2d7c00005aefeb2b5c)
1 /*
2  * Copyright 2014 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 "drmP.h"
27 #include "amdgpu.h"
28 #include "amdgpu_atombios.h"
29 #include "amdgpu_ih.h"
30 #include "amdgpu_uvd.h"
31 #include "amdgpu_vce.h"
32 #include "amdgpu_ucode.h"
33 #include "atom.h"
34 #include "amd_pcie.h"
35 
36 #include "gmc/gmc_8_1_d.h"
37 #include "gmc/gmc_8_1_sh_mask.h"
38 
39 #include "oss/oss_3_0_d.h"
40 #include "oss/oss_3_0_sh_mask.h"
41 
42 #include "bif/bif_5_0_d.h"
43 #include "bif/bif_5_0_sh_mask.h"
44 
45 #include "gca/gfx_8_0_d.h"
46 #include "gca/gfx_8_0_sh_mask.h"
47 
48 #include "smu/smu_7_1_1_d.h"
49 #include "smu/smu_7_1_1_sh_mask.h"
50 
51 #include "uvd/uvd_5_0_d.h"
52 #include "uvd/uvd_5_0_sh_mask.h"
53 
54 #include "vce/vce_3_0_d.h"
55 #include "vce/vce_3_0_sh_mask.h"
56 
57 #include "dce/dce_10_0_d.h"
58 #include "dce/dce_10_0_sh_mask.h"
59 
60 #include "vid.h"
61 #include "vi.h"
62 #include "vi_dpm.h"
63 #include "gmc_v8_0.h"
64 #include "gmc_v7_0.h"
65 #include "gfx_v8_0.h"
66 #include "sdma_v2_4.h"
67 #include "sdma_v3_0.h"
68 #include "dce_v10_0.h"
69 #include "dce_v11_0.h"
70 #include "iceland_ih.h"
71 #include "tonga_ih.h"
72 #include "cz_ih.h"
73 #include "uvd_v5_0.h"
74 #include "uvd_v6_0.h"
75 #include "vce_v3_0.h"
76 #include "amdgpu_powerplay.h"
77 #if defined(CONFIG_DRM_AMD_ACP)
78 #include "amdgpu_acp.h"
79 #endif
80 #include "dce_virtual.h"
81 
82 MODULE_FIRMWARE("amdgpu/topaz_smc.bin");
83 MODULE_FIRMWARE("amdgpu/topaz_k_smc.bin");
84 MODULE_FIRMWARE("amdgpu/tonga_smc.bin");
85 MODULE_FIRMWARE("amdgpu/tonga_k_smc.bin");
86 MODULE_FIRMWARE("amdgpu/fiji_smc.bin");
87 MODULE_FIRMWARE("amdgpu/polaris10_smc.bin");
88 MODULE_FIRMWARE("amdgpu/polaris10_smc_sk.bin");
89 MODULE_FIRMWARE("amdgpu/polaris11_smc.bin");
90 MODULE_FIRMWARE("amdgpu/polaris11_smc_sk.bin");
91 
92 /*
93  * Indirect registers accessor
94  */
95 static u32 vi_pcie_rreg(struct amdgpu_device *adev, u32 reg)
96 {
97 	unsigned long flags;
98 	u32 r;
99 
100 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
101 	WREG32(mmPCIE_INDEX, reg);
102 	(void)RREG32(mmPCIE_INDEX);
103 	r = RREG32(mmPCIE_DATA);
104 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
105 	return r;
106 }
107 
108 static void vi_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
109 {
110 	unsigned long flags;
111 
112 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
113 	WREG32(mmPCIE_INDEX, reg);
114 	(void)RREG32(mmPCIE_INDEX);
115 	WREG32(mmPCIE_DATA, v);
116 	(void)RREG32(mmPCIE_DATA);
117 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
118 }
119 
120 static u32 vi_smc_rreg(struct amdgpu_device *adev, u32 reg)
121 {
122 	unsigned long flags;
123 	u32 r;
124 
125 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
126 	WREG32(mmSMC_IND_INDEX_0, (reg));
127 	r = RREG32(mmSMC_IND_DATA_0);
128 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
129 	return r;
130 }
131 
132 static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
133 {
134 	unsigned long flags;
135 
136 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
137 	WREG32(mmSMC_IND_INDEX_0, (reg));
138 	WREG32(mmSMC_IND_DATA_0, (v));
139 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
140 }
141 
142 /* smu_8_0_d.h */
143 #define mmMP0PUB_IND_INDEX                                                      0x180
144 #define mmMP0PUB_IND_DATA                                                       0x181
145 
146 static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg)
147 {
148 	unsigned long flags;
149 	u32 r;
150 
151 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
152 	WREG32(mmMP0PUB_IND_INDEX, (reg));
153 	r = RREG32(mmMP0PUB_IND_DATA);
154 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
155 	return r;
156 }
157 
158 static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
159 {
160 	unsigned long flags;
161 
162 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
163 	WREG32(mmMP0PUB_IND_INDEX, (reg));
164 	WREG32(mmMP0PUB_IND_DATA, (v));
165 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
166 }
167 
168 static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
169 {
170 	unsigned long flags;
171 	u32 r;
172 
173 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
174 	WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
175 	r = RREG32(mmUVD_CTX_DATA);
176 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
177 	return r;
178 }
179 
180 static void vi_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
181 {
182 	unsigned long flags;
183 
184 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
185 	WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
186 	WREG32(mmUVD_CTX_DATA, (v));
187 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
188 }
189 
190 static u32 vi_didt_rreg(struct amdgpu_device *adev, u32 reg)
191 {
192 	unsigned long flags;
193 	u32 r;
194 
195 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
196 	WREG32(mmDIDT_IND_INDEX, (reg));
197 	r = RREG32(mmDIDT_IND_DATA);
198 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
199 	return r;
200 }
201 
202 static void vi_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
203 {
204 	unsigned long flags;
205 
206 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
207 	WREG32(mmDIDT_IND_INDEX, (reg));
208 	WREG32(mmDIDT_IND_DATA, (v));
209 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
210 }
211 
212 static u32 vi_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
213 {
214 	unsigned long flags;
215 	u32 r;
216 
217 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
218 	WREG32(mmGC_CAC_IND_INDEX, (reg));
219 	r = RREG32(mmGC_CAC_IND_DATA);
220 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
221 	return r;
222 }
223 
224 static void vi_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
225 {
226 	unsigned long flags;
227 
228 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
229 	WREG32(mmGC_CAC_IND_INDEX, (reg));
230 	WREG32(mmGC_CAC_IND_DATA, (v));
231 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
232 }
233 
234 
235 static const u32 tonga_mgcg_cgcg_init[] =
236 {
237 	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
238 	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
239 	mmPCIE_DATA, 0x000f0000, 0x00000000,
240 	mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
241 	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
242 	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
243 	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
244 };
245 
246 static const u32 fiji_mgcg_cgcg_init[] =
247 {
248 	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
249 	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
250 	mmPCIE_DATA, 0x000f0000, 0x00000000,
251 	mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
252 	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
253 	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
254 	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
255 };
256 
257 static const u32 iceland_mgcg_cgcg_init[] =
258 {
259 	mmPCIE_INDEX, 0xffffffff, ixPCIE_CNTL2,
260 	mmPCIE_DATA, 0x000f0000, 0x00000000,
261 	mmSMC_IND_INDEX_4, 0xffffffff, ixCGTT_ROM_CLK_CTRL0,
262 	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
263 	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
264 };
265 
266 static const u32 cz_mgcg_cgcg_init[] =
267 {
268 	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
269 	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
270 	mmPCIE_DATA, 0x000f0000, 0x00000000,
271 	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
272 	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
273 };
274 
275 static const u32 stoney_mgcg_cgcg_init[] =
276 {
277 	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00000100,
278 	mmHDP_XDP_CGTT_BLK_CTRL, 0xffffffff, 0x00000104,
279 	mmHDP_HOST_PATH_CNTL, 0xffffffff, 0x0f000027,
280 };
281 
282 static void vi_init_golden_registers(struct amdgpu_device *adev)
283 {
284 	/* Some of the registers might be dependent on GRBM_GFX_INDEX */
285 	mutex_lock(&adev->grbm_idx_mutex);
286 
287 	switch (adev->asic_type) {
288 	case CHIP_TOPAZ:
289 		amdgpu_program_register_sequence(adev,
290 						 iceland_mgcg_cgcg_init,
291 						 (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init));
292 		break;
293 	case CHIP_FIJI:
294 		amdgpu_program_register_sequence(adev,
295 						 fiji_mgcg_cgcg_init,
296 						 (const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init));
297 		break;
298 	case CHIP_TONGA:
299 		amdgpu_program_register_sequence(adev,
300 						 tonga_mgcg_cgcg_init,
301 						 (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init));
302 		break;
303 	case CHIP_CARRIZO:
304 		amdgpu_program_register_sequence(adev,
305 						 cz_mgcg_cgcg_init,
306 						 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
307 		break;
308 	case CHIP_STONEY:
309 		amdgpu_program_register_sequence(adev,
310 						 stoney_mgcg_cgcg_init,
311 						 (const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init));
312 		break;
313 	case CHIP_POLARIS11:
314 	case CHIP_POLARIS10:
315 	default:
316 		break;
317 	}
318 	mutex_unlock(&adev->grbm_idx_mutex);
319 }
320 
321 /**
322  * vi_get_xclk - get the xclk
323  *
324  * @adev: amdgpu_device pointer
325  *
326  * Returns the reference clock used by the gfx engine
327  * (VI).
328  */
329 static u32 vi_get_xclk(struct amdgpu_device *adev)
330 {
331 	u32 reference_clock = adev->clock.spll.reference_freq;
332 	u32 tmp;
333 
334 	if (adev->flags & AMD_IS_APU)
335 		return reference_clock;
336 
337 	tmp = RREG32_SMC(ixCG_CLKPIN_CNTL_2);
338 	if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK))
339 		return 1000;
340 
341 	tmp = RREG32_SMC(ixCG_CLKPIN_CNTL);
342 	if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL, XTALIN_DIVIDE))
343 		return reference_clock / 4;
344 
345 	return reference_clock;
346 }
347 
348 /**
349  * vi_srbm_select - select specific register instances
350  *
351  * @adev: amdgpu_device pointer
352  * @me: selected ME (micro engine)
353  * @pipe: pipe
354  * @queue: queue
355  * @vmid: VMID
356  *
357  * Switches the currently active registers instances.  Some
358  * registers are instanced per VMID, others are instanced per
359  * me/pipe/queue combination.
360  */
361 void vi_srbm_select(struct amdgpu_device *adev,
362 		     u32 me, u32 pipe, u32 queue, u32 vmid)
363 {
364 	u32 srbm_gfx_cntl = 0;
365 	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, PIPEID, pipe);
366 	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, MEID, me);
367 	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, VMID, vmid);
368 	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, QUEUEID, queue);
369 	WREG32(mmSRBM_GFX_CNTL, srbm_gfx_cntl);
370 }
371 
372 static void vi_vga_set_state(struct amdgpu_device *adev, bool state)
373 {
374 	/* todo */
375 }
376 
377 static bool vi_read_disabled_bios(struct amdgpu_device *adev)
378 {
379 	u32 bus_cntl;
380 	u32 d1vga_control = 0;
381 	u32 d2vga_control = 0;
382 	u32 vga_render_control = 0;
383 	u32 rom_cntl;
384 	bool r;
385 
386 	bus_cntl = RREG32(mmBUS_CNTL);
387 	if (adev->mode_info.num_crtc) {
388 		d1vga_control = RREG32(mmD1VGA_CONTROL);
389 		d2vga_control = RREG32(mmD2VGA_CONTROL);
390 		vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
391 	}
392 	rom_cntl = RREG32_SMC(ixROM_CNTL);
393 
394 	/* enable the rom */
395 	WREG32(mmBUS_CNTL, (bus_cntl & ~BUS_CNTL__BIOS_ROM_DIS_MASK));
396 	if (adev->mode_info.num_crtc) {
397 		/* Disable VGA mode */
398 		WREG32(mmD1VGA_CONTROL,
399 		       (d1vga_control & ~(D1VGA_CONTROL__D1VGA_MODE_ENABLE_MASK |
400 					  D1VGA_CONTROL__D1VGA_TIMING_SELECT_MASK)));
401 		WREG32(mmD2VGA_CONTROL,
402 		       (d2vga_control & ~(D2VGA_CONTROL__D2VGA_MODE_ENABLE_MASK |
403 					  D2VGA_CONTROL__D2VGA_TIMING_SELECT_MASK)));
404 		WREG32(mmVGA_RENDER_CONTROL,
405 		       (vga_render_control & ~VGA_RENDER_CONTROL__VGA_VSTATUS_CNTL_MASK));
406 	}
407 	WREG32_SMC(ixROM_CNTL, rom_cntl | ROM_CNTL__SCK_OVERWRITE_MASK);
408 
409 	r = amdgpu_read_bios(adev);
410 
411 	/* restore regs */
412 	WREG32(mmBUS_CNTL, bus_cntl);
413 	if (adev->mode_info.num_crtc) {
414 		WREG32(mmD1VGA_CONTROL, d1vga_control);
415 		WREG32(mmD2VGA_CONTROL, d2vga_control);
416 		WREG32(mmVGA_RENDER_CONTROL, vga_render_control);
417 	}
418 	WREG32_SMC(ixROM_CNTL, rom_cntl);
419 	return r;
420 }
421 
422 static bool vi_read_bios_from_rom(struct amdgpu_device *adev,
423 				  u8 *bios, u32 length_bytes)
424 {
425 	u32 *dw_ptr;
426 	unsigned long flags;
427 	u32 i, length_dw;
428 
429 	if (bios == NULL)
430 		return false;
431 	if (length_bytes == 0)
432 		return false;
433 	/* APU vbios image is part of sbios image */
434 	if (adev->flags & AMD_IS_APU)
435 		return false;
436 
437 	dw_ptr = (u32 *)bios;
438 	length_dw = ALIGN(length_bytes, 4) / 4;
439 	/* take the smc lock since we are using the smc index */
440 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
441 	/* set rom index to 0 */
442 	WREG32(mmSMC_IND_INDEX_0, ixROM_INDEX);
443 	WREG32(mmSMC_IND_DATA_0, 0);
444 	/* set index to data for continous read */
445 	WREG32(mmSMC_IND_INDEX_0, ixROM_DATA);
446 	for (i = 0; i < length_dw; i++)
447 		dw_ptr[i] = RREG32(mmSMC_IND_DATA_0);
448 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
449 
450 	return true;
451 }
452 
453 static void vi_detect_hw_virtualization(struct amdgpu_device *adev)
454 {
455 	uint32_t reg = RREG32(mmBIF_IOV_FUNC_IDENTIFIER);
456 	/* bit0: 0 means pf and 1 means vf */
457 	/* bit31: 0 means disable IOV and 1 means enable */
458 	if (reg & 1)
459 		adev->virtualization.virtual_caps |= AMDGPU_SRIOV_CAPS_IS_VF;
460 
461 	if (reg & 0x80000000)
462 		adev->virtualization.virtual_caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV;
463 
464 	if (reg == 0) {
465 		if (is_virtual_machine()) /* passthrough mode exclus sr-iov mode */
466 			adev->virtualization.virtual_caps |= AMDGPU_PASSTHROUGH_MODE;
467 	}
468 }
469 
470 static const struct amdgpu_allowed_register_entry tonga_allowed_read_registers[] = {
471 	{mmGB_MACROTILE_MODE7, true},
472 };
473 
474 static const struct amdgpu_allowed_register_entry cz_allowed_read_registers[] = {
475 	{mmGB_TILE_MODE7, true},
476 	{mmGB_TILE_MODE12, true},
477 	{mmGB_TILE_MODE17, true},
478 	{mmGB_TILE_MODE23, true},
479 	{mmGB_MACROTILE_MODE7, true},
480 };
481 
482 static const struct amdgpu_allowed_register_entry vi_allowed_read_registers[] = {
483 	{mmGRBM_STATUS, false},
484 	{mmGRBM_STATUS2, false},
485 	{mmGRBM_STATUS_SE0, false},
486 	{mmGRBM_STATUS_SE1, false},
487 	{mmGRBM_STATUS_SE2, false},
488 	{mmGRBM_STATUS_SE3, false},
489 	{mmSRBM_STATUS, false},
490 	{mmSRBM_STATUS2, false},
491 	{mmSRBM_STATUS3, false},
492 	{mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET, false},
493 	{mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET, false},
494 	{mmCP_STAT, false},
495 	{mmCP_STALLED_STAT1, false},
496 	{mmCP_STALLED_STAT2, false},
497 	{mmCP_STALLED_STAT3, false},
498 	{mmCP_CPF_BUSY_STAT, false},
499 	{mmCP_CPF_STALLED_STAT1, false},
500 	{mmCP_CPF_STATUS, false},
501 	{mmCP_CPC_BUSY_STAT, false},
502 	{mmCP_CPC_STALLED_STAT1, false},
503 	{mmCP_CPC_STATUS, false},
504 	{mmGB_ADDR_CONFIG, false},
505 	{mmMC_ARB_RAMCFG, false},
506 	{mmGB_TILE_MODE0, false},
507 	{mmGB_TILE_MODE1, false},
508 	{mmGB_TILE_MODE2, false},
509 	{mmGB_TILE_MODE3, false},
510 	{mmGB_TILE_MODE4, false},
511 	{mmGB_TILE_MODE5, false},
512 	{mmGB_TILE_MODE6, false},
513 	{mmGB_TILE_MODE7, false},
514 	{mmGB_TILE_MODE8, false},
515 	{mmGB_TILE_MODE9, false},
516 	{mmGB_TILE_MODE10, false},
517 	{mmGB_TILE_MODE11, false},
518 	{mmGB_TILE_MODE12, false},
519 	{mmGB_TILE_MODE13, false},
520 	{mmGB_TILE_MODE14, false},
521 	{mmGB_TILE_MODE15, false},
522 	{mmGB_TILE_MODE16, false},
523 	{mmGB_TILE_MODE17, false},
524 	{mmGB_TILE_MODE18, false},
525 	{mmGB_TILE_MODE19, false},
526 	{mmGB_TILE_MODE20, false},
527 	{mmGB_TILE_MODE21, false},
528 	{mmGB_TILE_MODE22, false},
529 	{mmGB_TILE_MODE23, false},
530 	{mmGB_TILE_MODE24, false},
531 	{mmGB_TILE_MODE25, false},
532 	{mmGB_TILE_MODE26, false},
533 	{mmGB_TILE_MODE27, false},
534 	{mmGB_TILE_MODE28, false},
535 	{mmGB_TILE_MODE29, false},
536 	{mmGB_TILE_MODE30, false},
537 	{mmGB_TILE_MODE31, false},
538 	{mmGB_MACROTILE_MODE0, false},
539 	{mmGB_MACROTILE_MODE1, false},
540 	{mmGB_MACROTILE_MODE2, false},
541 	{mmGB_MACROTILE_MODE3, false},
542 	{mmGB_MACROTILE_MODE4, false},
543 	{mmGB_MACROTILE_MODE5, false},
544 	{mmGB_MACROTILE_MODE6, false},
545 	{mmGB_MACROTILE_MODE7, false},
546 	{mmGB_MACROTILE_MODE8, false},
547 	{mmGB_MACROTILE_MODE9, false},
548 	{mmGB_MACROTILE_MODE10, false},
549 	{mmGB_MACROTILE_MODE11, false},
550 	{mmGB_MACROTILE_MODE12, false},
551 	{mmGB_MACROTILE_MODE13, false},
552 	{mmGB_MACROTILE_MODE14, false},
553 	{mmGB_MACROTILE_MODE15, false},
554 	{mmCC_RB_BACKEND_DISABLE, false, true},
555 	{mmGC_USER_RB_BACKEND_DISABLE, false, true},
556 	{mmGB_BACKEND_MAP, false, false},
557 	{mmPA_SC_RASTER_CONFIG, false, true},
558 	{mmPA_SC_RASTER_CONFIG_1, false, true},
559 };
560 
561 static uint32_t vi_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
562 					 u32 sh_num, u32 reg_offset)
563 {
564 	uint32_t val;
565 
566 	mutex_lock(&adev->grbm_idx_mutex);
567 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
568 		amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
569 
570 	val = RREG32(reg_offset);
571 
572 	if (se_num != 0xffffffff || sh_num != 0xffffffff)
573 		amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
574 	mutex_unlock(&adev->grbm_idx_mutex);
575 	return val;
576 }
577 
578 static int vi_read_register(struct amdgpu_device *adev, u32 se_num,
579 			    u32 sh_num, u32 reg_offset, u32 *value)
580 {
581 	const struct amdgpu_allowed_register_entry *asic_register_table = NULL;
582 	const struct amdgpu_allowed_register_entry *asic_register_entry;
583 	uint32_t size, i;
584 
585 	*value = 0;
586 	switch (adev->asic_type) {
587 	case CHIP_TOPAZ:
588 		asic_register_table = tonga_allowed_read_registers;
589 		size = ARRAY_SIZE(tonga_allowed_read_registers);
590 		break;
591 	case CHIP_FIJI:
592 	case CHIP_TONGA:
593 	case CHIP_POLARIS11:
594 	case CHIP_POLARIS10:
595 	case CHIP_CARRIZO:
596 	case CHIP_STONEY:
597 		asic_register_table = cz_allowed_read_registers;
598 		size = ARRAY_SIZE(cz_allowed_read_registers);
599 		break;
600 	default:
601 		return -EINVAL;
602 	}
603 
604 	if (asic_register_table) {
605 		for (i = 0; i < size; i++) {
606 			asic_register_entry = asic_register_table + i;
607 			if (reg_offset != asic_register_entry->reg_offset)
608 				continue;
609 			if (!asic_register_entry->untouched)
610 				*value = asic_register_entry->grbm_indexed ?
611 					vi_read_indexed_register(adev, se_num,
612 								 sh_num, reg_offset) :
613 					RREG32(reg_offset);
614 			return 0;
615 		}
616 	}
617 
618 	for (i = 0; i < ARRAY_SIZE(vi_allowed_read_registers); i++) {
619 		if (reg_offset != vi_allowed_read_registers[i].reg_offset)
620 			continue;
621 
622 		if (!vi_allowed_read_registers[i].untouched)
623 			*value = vi_allowed_read_registers[i].grbm_indexed ?
624 				vi_read_indexed_register(adev, se_num,
625 							 sh_num, reg_offset) :
626 				RREG32(reg_offset);
627 		return 0;
628 	}
629 	return -EINVAL;
630 }
631 
632 static int vi_gpu_pci_config_reset(struct amdgpu_device *adev)
633 {
634 	u32 i;
635 
636 	dev_info(adev->dev, "GPU pci config reset\n");
637 
638 	/* disable BM */
639 	pci_clear_master(adev->pdev);
640 	/* reset */
641 	amdgpu_pci_config_reset(adev);
642 
643 	udelay(100);
644 
645 	/* wait for asic to come out of reset */
646 	for (i = 0; i < adev->usec_timeout; i++) {
647 		if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff) {
648 			/* enable BM */
649 			pci_set_master(adev->pdev);
650 			return 0;
651 		}
652 		udelay(1);
653 	}
654 	return -EINVAL;
655 }
656 
657 static void vi_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung)
658 {
659 	u32 tmp = RREG32(mmBIOS_SCRATCH_3);
660 
661 	if (hung)
662 		tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
663 	else
664 		tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
665 
666 	WREG32(mmBIOS_SCRATCH_3, tmp);
667 }
668 
669 /**
670  * vi_asic_reset - soft reset GPU
671  *
672  * @adev: amdgpu_device pointer
673  *
674  * Look up which blocks are hung and attempt
675  * to reset them.
676  * Returns 0 for success.
677  */
678 static int vi_asic_reset(struct amdgpu_device *adev)
679 {
680 	int r;
681 
682 	vi_set_bios_scratch_engine_hung(adev, true);
683 
684 	r = vi_gpu_pci_config_reset(adev);
685 
686 	vi_set_bios_scratch_engine_hung(adev, false);
687 
688 	return r;
689 }
690 
691 static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
692 			u32 cntl_reg, u32 status_reg)
693 {
694 	int r, i;
695 	struct atom_clock_dividers dividers;
696 	uint32_t tmp;
697 
698 	r = amdgpu_atombios_get_clock_dividers(adev,
699 					       COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
700 					       clock, false, &dividers);
701 	if (r)
702 		return r;
703 
704 	tmp = RREG32_SMC(cntl_reg);
705 	tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK |
706 		CG_DCLK_CNTL__DCLK_DIVIDER_MASK);
707 	tmp |= dividers.post_divider;
708 	WREG32_SMC(cntl_reg, tmp);
709 
710 	for (i = 0; i < 100; i++) {
711 		if (RREG32_SMC(status_reg) & CG_DCLK_STATUS__DCLK_STATUS_MASK)
712 			break;
713 		mdelay(10);
714 	}
715 	if (i == 100)
716 		return -ETIMEDOUT;
717 
718 	return 0;
719 }
720 
721 static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
722 {
723 	int r;
724 
725 	r = vi_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
726 	if (r)
727 		return r;
728 
729 	r = vi_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
730 
731 	return 0;
732 }
733 
734 static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
735 {
736 	/* todo */
737 
738 	return 0;
739 }
740 
741 static void vi_pcie_gen3_enable(struct amdgpu_device *adev)
742 {
743 	if (pci_is_root_bus(adev->pdev->bus))
744 		return;
745 
746 	if (amdgpu_pcie_gen2 == 0)
747 		return;
748 
749 	if (adev->flags & AMD_IS_APU)
750 		return;
751 
752 	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
753 					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
754 		return;
755 
756 	/* todo */
757 }
758 
759 static void vi_program_aspm(struct amdgpu_device *adev)
760 {
761 
762 	if (amdgpu_aspm == 0)
763 		return;
764 
765 	/* todo */
766 }
767 
768 static void vi_enable_doorbell_aperture(struct amdgpu_device *adev,
769 					bool enable)
770 {
771 	u32 tmp;
772 
773 	/* not necessary on CZ */
774 	if (adev->flags & AMD_IS_APU)
775 		return;
776 
777 	tmp = RREG32(mmBIF_DOORBELL_APER_EN);
778 	if (enable)
779 		tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 1);
780 	else
781 		tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 0);
782 
783 	WREG32(mmBIF_DOORBELL_APER_EN, tmp);
784 }
785 
786 /* topaz has no DCE, UVD, VCE */
787 static const struct amdgpu_ip_block_version topaz_ip_blocks[] =
788 {
789 	/* ORDER MATTERS! */
790 	{
791 		.type = AMD_IP_BLOCK_TYPE_COMMON,
792 		.major = 2,
793 		.minor = 0,
794 		.rev = 0,
795 		.funcs = &vi_common_ip_funcs,
796 	},
797 	{
798 		.type = AMD_IP_BLOCK_TYPE_GMC,
799 		.major = 7,
800 		.minor = 4,
801 		.rev = 0,
802 		.funcs = &gmc_v7_0_ip_funcs,
803 	},
804 	{
805 		.type = AMD_IP_BLOCK_TYPE_IH,
806 		.major = 2,
807 		.minor = 4,
808 		.rev = 0,
809 		.funcs = &iceland_ih_ip_funcs,
810 	},
811 	{
812 		.type = AMD_IP_BLOCK_TYPE_SMC,
813 		.major = 7,
814 		.minor = 1,
815 		.rev = 0,
816 		.funcs = &amdgpu_pp_ip_funcs,
817 	},
818 	{
819 		.type = AMD_IP_BLOCK_TYPE_GFX,
820 		.major = 8,
821 		.minor = 0,
822 		.rev = 0,
823 		.funcs = &gfx_v8_0_ip_funcs,
824 	},
825 	{
826 		.type = AMD_IP_BLOCK_TYPE_SDMA,
827 		.major = 2,
828 		.minor = 4,
829 		.rev = 0,
830 		.funcs = &sdma_v2_4_ip_funcs,
831 	},
832 };
833 
834 static const struct amdgpu_ip_block_version topaz_ip_blocks_vd[] =
835 {
836 	/* ORDER MATTERS! */
837 	{
838 		.type = AMD_IP_BLOCK_TYPE_COMMON,
839 		.major = 2,
840 		.minor = 0,
841 		.rev = 0,
842 		.funcs = &vi_common_ip_funcs,
843 	},
844 	{
845 		.type = AMD_IP_BLOCK_TYPE_GMC,
846 		.major = 7,
847 		.minor = 4,
848 		.rev = 0,
849 		.funcs = &gmc_v7_0_ip_funcs,
850 	},
851 	{
852 		.type = AMD_IP_BLOCK_TYPE_IH,
853 		.major = 2,
854 		.minor = 4,
855 		.rev = 0,
856 		.funcs = &iceland_ih_ip_funcs,
857 	},
858 	{
859 		.type = AMD_IP_BLOCK_TYPE_SMC,
860 		.major = 7,
861 		.minor = 1,
862 		.rev = 0,
863 		.funcs = &amdgpu_pp_ip_funcs,
864 	},
865 	{
866 		.type = AMD_IP_BLOCK_TYPE_DCE,
867 		.major = 1,
868 		.minor = 0,
869 		.rev = 0,
870 		.funcs = &dce_virtual_ip_funcs,
871 	},
872 	{
873 		.type = AMD_IP_BLOCK_TYPE_GFX,
874 		.major = 8,
875 		.minor = 0,
876 		.rev = 0,
877 		.funcs = &gfx_v8_0_ip_funcs,
878 	},
879 	{
880 		.type = AMD_IP_BLOCK_TYPE_SDMA,
881 		.major = 2,
882 		.minor = 4,
883 		.rev = 0,
884 		.funcs = &sdma_v2_4_ip_funcs,
885 	},
886 };
887 
888 static const struct amdgpu_ip_block_version tonga_ip_blocks[] =
889 {
890 	/* ORDER MATTERS! */
891 	{
892 		.type = AMD_IP_BLOCK_TYPE_COMMON,
893 		.major = 2,
894 		.minor = 0,
895 		.rev = 0,
896 		.funcs = &vi_common_ip_funcs,
897 	},
898 	{
899 		.type = AMD_IP_BLOCK_TYPE_GMC,
900 		.major = 8,
901 		.minor = 0,
902 		.rev = 0,
903 		.funcs = &gmc_v8_0_ip_funcs,
904 	},
905 	{
906 		.type = AMD_IP_BLOCK_TYPE_IH,
907 		.major = 3,
908 		.minor = 0,
909 		.rev = 0,
910 		.funcs = &tonga_ih_ip_funcs,
911 	},
912 	{
913 		.type = AMD_IP_BLOCK_TYPE_SMC,
914 		.major = 7,
915 		.minor = 1,
916 		.rev = 0,
917 		.funcs = &amdgpu_pp_ip_funcs,
918 	},
919 	{
920 		.type = AMD_IP_BLOCK_TYPE_DCE,
921 		.major = 10,
922 		.minor = 0,
923 		.rev = 0,
924 		.funcs = &dce_v10_0_ip_funcs,
925 	},
926 	{
927 		.type = AMD_IP_BLOCK_TYPE_GFX,
928 		.major = 8,
929 		.minor = 0,
930 		.rev = 0,
931 		.funcs = &gfx_v8_0_ip_funcs,
932 	},
933 	{
934 		.type = AMD_IP_BLOCK_TYPE_SDMA,
935 		.major = 3,
936 		.minor = 0,
937 		.rev = 0,
938 		.funcs = &sdma_v3_0_ip_funcs,
939 	},
940 	{
941 		.type = AMD_IP_BLOCK_TYPE_UVD,
942 		.major = 5,
943 		.minor = 0,
944 		.rev = 0,
945 		.funcs = &uvd_v5_0_ip_funcs,
946 	},
947 	{
948 		.type = AMD_IP_BLOCK_TYPE_VCE,
949 		.major = 3,
950 		.minor = 0,
951 		.rev = 0,
952 		.funcs = &vce_v3_0_ip_funcs,
953 	},
954 };
955 
956 static const struct amdgpu_ip_block_version tonga_ip_blocks_vd[] =
957 {
958 	/* ORDER MATTERS! */
959 	{
960 		.type = AMD_IP_BLOCK_TYPE_COMMON,
961 		.major = 2,
962 		.minor = 0,
963 		.rev = 0,
964 		.funcs = &vi_common_ip_funcs,
965 	},
966 	{
967 		.type = AMD_IP_BLOCK_TYPE_GMC,
968 		.major = 8,
969 		.minor = 0,
970 		.rev = 0,
971 		.funcs = &gmc_v8_0_ip_funcs,
972 	},
973 	{
974 		.type = AMD_IP_BLOCK_TYPE_IH,
975 		.major = 3,
976 		.minor = 0,
977 		.rev = 0,
978 		.funcs = &tonga_ih_ip_funcs,
979 	},
980 	{
981 		.type = AMD_IP_BLOCK_TYPE_SMC,
982 		.major = 7,
983 		.minor = 1,
984 		.rev = 0,
985 		.funcs = &amdgpu_pp_ip_funcs,
986 	},
987 	{
988 		.type = AMD_IP_BLOCK_TYPE_DCE,
989 		.major = 10,
990 		.minor = 0,
991 		.rev = 0,
992 		.funcs = &dce_virtual_ip_funcs,
993 	},
994 	{
995 		.type = AMD_IP_BLOCK_TYPE_GFX,
996 		.major = 8,
997 		.minor = 0,
998 		.rev = 0,
999 		.funcs = &gfx_v8_0_ip_funcs,
1000 	},
1001 	{
1002 		.type = AMD_IP_BLOCK_TYPE_SDMA,
1003 		.major = 3,
1004 		.minor = 0,
1005 		.rev = 0,
1006 		.funcs = &sdma_v3_0_ip_funcs,
1007 	},
1008 	{
1009 		.type = AMD_IP_BLOCK_TYPE_UVD,
1010 		.major = 5,
1011 		.minor = 0,
1012 		.rev = 0,
1013 		.funcs = &uvd_v5_0_ip_funcs,
1014 	},
1015 	{
1016 		.type = AMD_IP_BLOCK_TYPE_VCE,
1017 		.major = 3,
1018 		.minor = 0,
1019 		.rev = 0,
1020 		.funcs = &vce_v3_0_ip_funcs,
1021 	},
1022 };
1023 
1024 static const struct amdgpu_ip_block_version fiji_ip_blocks[] =
1025 {
1026 	/* ORDER MATTERS! */
1027 	{
1028 		.type = AMD_IP_BLOCK_TYPE_COMMON,
1029 		.major = 2,
1030 		.minor = 0,
1031 		.rev = 0,
1032 		.funcs = &vi_common_ip_funcs,
1033 	},
1034 	{
1035 		.type = AMD_IP_BLOCK_TYPE_GMC,
1036 		.major = 8,
1037 		.minor = 5,
1038 		.rev = 0,
1039 		.funcs = &gmc_v8_0_ip_funcs,
1040 	},
1041 	{
1042 		.type = AMD_IP_BLOCK_TYPE_IH,
1043 		.major = 3,
1044 		.minor = 0,
1045 		.rev = 0,
1046 		.funcs = &tonga_ih_ip_funcs,
1047 	},
1048 	{
1049 		.type = AMD_IP_BLOCK_TYPE_SMC,
1050 		.major = 7,
1051 		.minor = 1,
1052 		.rev = 0,
1053 		.funcs = &amdgpu_pp_ip_funcs,
1054 	},
1055 	{
1056 		.type = AMD_IP_BLOCK_TYPE_DCE,
1057 		.major = 10,
1058 		.minor = 1,
1059 		.rev = 0,
1060 		.funcs = &dce_v10_0_ip_funcs,
1061 	},
1062 	{
1063 		.type = AMD_IP_BLOCK_TYPE_GFX,
1064 		.major = 8,
1065 		.minor = 0,
1066 		.rev = 0,
1067 		.funcs = &gfx_v8_0_ip_funcs,
1068 	},
1069 	{
1070 		.type = AMD_IP_BLOCK_TYPE_SDMA,
1071 		.major = 3,
1072 		.minor = 0,
1073 		.rev = 0,
1074 		.funcs = &sdma_v3_0_ip_funcs,
1075 	},
1076 	{
1077 		.type = AMD_IP_BLOCK_TYPE_UVD,
1078 		.major = 6,
1079 		.minor = 0,
1080 		.rev = 0,
1081 		.funcs = &uvd_v6_0_ip_funcs,
1082 	},
1083 	{
1084 		.type = AMD_IP_BLOCK_TYPE_VCE,
1085 		.major = 3,
1086 		.minor = 0,
1087 		.rev = 0,
1088 		.funcs = &vce_v3_0_ip_funcs,
1089 	},
1090 };
1091 
1092 static const struct amdgpu_ip_block_version fiji_ip_blocks_vd[] =
1093 {
1094 	/* ORDER MATTERS! */
1095 	{
1096 		.type = AMD_IP_BLOCK_TYPE_COMMON,
1097 		.major = 2,
1098 		.minor = 0,
1099 		.rev = 0,
1100 		.funcs = &vi_common_ip_funcs,
1101 	},
1102 	{
1103 		.type = AMD_IP_BLOCK_TYPE_GMC,
1104 		.major = 8,
1105 		.minor = 5,
1106 		.rev = 0,
1107 		.funcs = &gmc_v8_0_ip_funcs,
1108 	},
1109 	{
1110 		.type = AMD_IP_BLOCK_TYPE_IH,
1111 		.major = 3,
1112 		.minor = 0,
1113 		.rev = 0,
1114 		.funcs = &tonga_ih_ip_funcs,
1115 	},
1116 	{
1117 		.type = AMD_IP_BLOCK_TYPE_SMC,
1118 		.major = 7,
1119 		.minor = 1,
1120 		.rev = 0,
1121 		.funcs = &amdgpu_pp_ip_funcs,
1122 	},
1123 	{
1124 		.type = AMD_IP_BLOCK_TYPE_DCE,
1125 		.major = 10,
1126 		.minor = 1,
1127 		.rev = 0,
1128 		.funcs = &dce_virtual_ip_funcs,
1129 	},
1130 	{
1131 		.type = AMD_IP_BLOCK_TYPE_GFX,
1132 		.major = 8,
1133 		.minor = 0,
1134 		.rev = 0,
1135 		.funcs = &gfx_v8_0_ip_funcs,
1136 	},
1137 	{
1138 		.type = AMD_IP_BLOCK_TYPE_SDMA,
1139 		.major = 3,
1140 		.minor = 0,
1141 		.rev = 0,
1142 		.funcs = &sdma_v3_0_ip_funcs,
1143 	},
1144 	{
1145 		.type = AMD_IP_BLOCK_TYPE_UVD,
1146 		.major = 6,
1147 		.minor = 0,
1148 		.rev = 0,
1149 		.funcs = &uvd_v6_0_ip_funcs,
1150 	},
1151 	{
1152 		.type = AMD_IP_BLOCK_TYPE_VCE,
1153 		.major = 3,
1154 		.minor = 0,
1155 		.rev = 0,
1156 		.funcs = &vce_v3_0_ip_funcs,
1157 	},
1158 };
1159 
1160 static const struct amdgpu_ip_block_version polaris11_ip_blocks[] =
1161 {
1162 	/* ORDER MATTERS! */
1163 	{
1164 		.type = AMD_IP_BLOCK_TYPE_COMMON,
1165 		.major = 2,
1166 		.minor = 0,
1167 		.rev = 0,
1168 		.funcs = &vi_common_ip_funcs,
1169 	},
1170 	{
1171 		.type = AMD_IP_BLOCK_TYPE_GMC,
1172 		.major = 8,
1173 		.minor = 1,
1174 		.rev = 0,
1175 		.funcs = &gmc_v8_0_ip_funcs,
1176 	},
1177 	{
1178 		.type = AMD_IP_BLOCK_TYPE_IH,
1179 		.major = 3,
1180 		.minor = 1,
1181 		.rev = 0,
1182 		.funcs = &tonga_ih_ip_funcs,
1183 	},
1184 	{
1185 		.type = AMD_IP_BLOCK_TYPE_SMC,
1186 		.major = 7,
1187 		.minor = 2,
1188 		.rev = 0,
1189 		.funcs = &amdgpu_pp_ip_funcs,
1190 	},
1191 	{
1192 		.type = AMD_IP_BLOCK_TYPE_DCE,
1193 		.major = 11,
1194 		.minor = 2,
1195 		.rev = 0,
1196 		.funcs = &dce_v11_0_ip_funcs,
1197 	},
1198 	{
1199 		.type = AMD_IP_BLOCK_TYPE_GFX,
1200 		.major = 8,
1201 		.minor = 0,
1202 		.rev = 0,
1203 		.funcs = &gfx_v8_0_ip_funcs,
1204 	},
1205 	{
1206 		.type = AMD_IP_BLOCK_TYPE_SDMA,
1207 		.major = 3,
1208 		.minor = 1,
1209 		.rev = 0,
1210 		.funcs = &sdma_v3_0_ip_funcs,
1211 	},
1212 	{
1213 		.type = AMD_IP_BLOCK_TYPE_UVD,
1214 		.major = 6,
1215 		.minor = 3,
1216 		.rev = 0,
1217 		.funcs = &uvd_v6_0_ip_funcs,
1218 	},
1219 	{
1220 		.type = AMD_IP_BLOCK_TYPE_VCE,
1221 		.major = 3,
1222 		.minor = 4,
1223 		.rev = 0,
1224 		.funcs = &vce_v3_0_ip_funcs,
1225 	},
1226 };
1227 
1228 static const struct amdgpu_ip_block_version polaris11_ip_blocks_vd[] =
1229 {
1230 	/* ORDER MATTERS! */
1231 	{
1232 		.type = AMD_IP_BLOCK_TYPE_COMMON,
1233 		.major = 2,
1234 		.minor = 0,
1235 		.rev = 0,
1236 		.funcs = &vi_common_ip_funcs,
1237 	},
1238 	{
1239 		.type = AMD_IP_BLOCK_TYPE_GMC,
1240 		.major = 8,
1241 		.minor = 1,
1242 		.rev = 0,
1243 		.funcs = &gmc_v8_0_ip_funcs,
1244 	},
1245 	{
1246 		.type = AMD_IP_BLOCK_TYPE_IH,
1247 		.major = 3,
1248 		.minor = 1,
1249 		.rev = 0,
1250 		.funcs = &tonga_ih_ip_funcs,
1251 	},
1252 	{
1253 		.type = AMD_IP_BLOCK_TYPE_SMC,
1254 		.major = 7,
1255 		.minor = 2,
1256 		.rev = 0,
1257 		.funcs = &amdgpu_pp_ip_funcs,
1258 	},
1259 	{
1260 		.type = AMD_IP_BLOCK_TYPE_DCE,
1261 		.major = 11,
1262 		.minor = 2,
1263 		.rev = 0,
1264 		.funcs = &dce_virtual_ip_funcs,
1265 	},
1266 	{
1267 		.type = AMD_IP_BLOCK_TYPE_GFX,
1268 		.major = 8,
1269 		.minor = 0,
1270 		.rev = 0,
1271 		.funcs = &gfx_v8_0_ip_funcs,
1272 	},
1273 	{
1274 		.type = AMD_IP_BLOCK_TYPE_SDMA,
1275 		.major = 3,
1276 		.minor = 1,
1277 		.rev = 0,
1278 		.funcs = &sdma_v3_0_ip_funcs,
1279 	},
1280 	{
1281 		.type = AMD_IP_BLOCK_TYPE_UVD,
1282 		.major = 6,
1283 		.minor = 3,
1284 		.rev = 0,
1285 		.funcs = &uvd_v6_0_ip_funcs,
1286 	},
1287 	{
1288 		.type = AMD_IP_BLOCK_TYPE_VCE,
1289 		.major = 3,
1290 		.minor = 4,
1291 		.rev = 0,
1292 		.funcs = &vce_v3_0_ip_funcs,
1293 	},
1294 };
1295 
1296 static const struct amdgpu_ip_block_version cz_ip_blocks[] =
1297 {
1298 	/* ORDER MATTERS! */
1299 	{
1300 		.type = AMD_IP_BLOCK_TYPE_COMMON,
1301 		.major = 2,
1302 		.minor = 0,
1303 		.rev = 0,
1304 		.funcs = &vi_common_ip_funcs,
1305 	},
1306 	{
1307 		.type = AMD_IP_BLOCK_TYPE_GMC,
1308 		.major = 8,
1309 		.minor = 0,
1310 		.rev = 0,
1311 		.funcs = &gmc_v8_0_ip_funcs,
1312 	},
1313 	{
1314 		.type = AMD_IP_BLOCK_TYPE_IH,
1315 		.major = 3,
1316 		.minor = 0,
1317 		.rev = 0,
1318 		.funcs = &cz_ih_ip_funcs,
1319 	},
1320 	{
1321 		.type = AMD_IP_BLOCK_TYPE_SMC,
1322 		.major = 8,
1323 		.minor = 0,
1324 		.rev = 0,
1325 		.funcs = &amdgpu_pp_ip_funcs
1326 	},
1327 	{
1328 		.type = AMD_IP_BLOCK_TYPE_DCE,
1329 		.major = 11,
1330 		.minor = 0,
1331 		.rev = 0,
1332 		.funcs = &dce_v11_0_ip_funcs,
1333 	},
1334 	{
1335 		.type = AMD_IP_BLOCK_TYPE_GFX,
1336 		.major = 8,
1337 		.minor = 0,
1338 		.rev = 0,
1339 		.funcs = &gfx_v8_0_ip_funcs,
1340 	},
1341 	{
1342 		.type = AMD_IP_BLOCK_TYPE_SDMA,
1343 		.major = 3,
1344 		.minor = 0,
1345 		.rev = 0,
1346 		.funcs = &sdma_v3_0_ip_funcs,
1347 	},
1348 	{
1349 		.type = AMD_IP_BLOCK_TYPE_UVD,
1350 		.major = 6,
1351 		.minor = 0,
1352 		.rev = 0,
1353 		.funcs = &uvd_v6_0_ip_funcs,
1354 	},
1355 	{
1356 		.type = AMD_IP_BLOCK_TYPE_VCE,
1357 		.major = 3,
1358 		.minor = 0,
1359 		.rev = 0,
1360 		.funcs = &vce_v3_0_ip_funcs,
1361 	},
1362 #if defined(CONFIG_DRM_AMD_ACP)
1363 	{
1364 		.type = AMD_IP_BLOCK_TYPE_ACP,
1365 		.major = 2,
1366 		.minor = 2,
1367 		.rev = 0,
1368 		.funcs = &acp_ip_funcs,
1369 	},
1370 #endif
1371 };
1372 
1373 static const struct amdgpu_ip_block_version cz_ip_blocks_vd[] =
1374 {
1375 	/* ORDER MATTERS! */
1376 	{
1377 		.type = AMD_IP_BLOCK_TYPE_COMMON,
1378 		.major = 2,
1379 		.minor = 0,
1380 		.rev = 0,
1381 		.funcs = &vi_common_ip_funcs,
1382 	},
1383 	{
1384 		.type = AMD_IP_BLOCK_TYPE_GMC,
1385 		.major = 8,
1386 		.minor = 0,
1387 		.rev = 0,
1388 		.funcs = &gmc_v8_0_ip_funcs,
1389 	},
1390 	{
1391 		.type = AMD_IP_BLOCK_TYPE_IH,
1392 		.major = 3,
1393 		.minor = 0,
1394 		.rev = 0,
1395 		.funcs = &cz_ih_ip_funcs,
1396 	},
1397 	{
1398 		.type = AMD_IP_BLOCK_TYPE_SMC,
1399 		.major = 8,
1400 		.minor = 0,
1401 		.rev = 0,
1402 		.funcs = &amdgpu_pp_ip_funcs
1403 	},
1404 	{
1405 		.type = AMD_IP_BLOCK_TYPE_DCE,
1406 		.major = 11,
1407 		.minor = 0,
1408 		.rev = 0,
1409 		.funcs = &dce_virtual_ip_funcs,
1410 	},
1411 	{
1412 		.type = AMD_IP_BLOCK_TYPE_GFX,
1413 		.major = 8,
1414 		.minor = 0,
1415 		.rev = 0,
1416 		.funcs = &gfx_v8_0_ip_funcs,
1417 	},
1418 	{
1419 		.type = AMD_IP_BLOCK_TYPE_SDMA,
1420 		.major = 3,
1421 		.minor = 0,
1422 		.rev = 0,
1423 		.funcs = &sdma_v3_0_ip_funcs,
1424 	},
1425 	{
1426 		.type = AMD_IP_BLOCK_TYPE_UVD,
1427 		.major = 6,
1428 		.minor = 0,
1429 		.rev = 0,
1430 		.funcs = &uvd_v6_0_ip_funcs,
1431 	},
1432 	{
1433 		.type = AMD_IP_BLOCK_TYPE_VCE,
1434 		.major = 3,
1435 		.minor = 0,
1436 		.rev = 0,
1437 		.funcs = &vce_v3_0_ip_funcs,
1438 	},
1439 #if defined(CONFIG_DRM_AMD_ACP)
1440 	{
1441 		.type = AMD_IP_BLOCK_TYPE_ACP,
1442 		.major = 2,
1443 		.minor = 2,
1444 		.rev = 0,
1445 		.funcs = &acp_ip_funcs,
1446 	},
1447 #endif
1448 };
1449 
1450 int vi_set_ip_blocks(struct amdgpu_device *adev)
1451 {
1452 	if (adev->enable_virtual_display) {
1453 		switch (adev->asic_type) {
1454 		case CHIP_TOPAZ:
1455 			adev->ip_blocks = topaz_ip_blocks_vd;
1456 			adev->num_ip_blocks = ARRAY_SIZE(topaz_ip_blocks_vd);
1457 			break;
1458 		case CHIP_FIJI:
1459 			adev->ip_blocks = fiji_ip_blocks_vd;
1460 			adev->num_ip_blocks = ARRAY_SIZE(fiji_ip_blocks_vd);
1461 			break;
1462 		case CHIP_TONGA:
1463 			adev->ip_blocks = tonga_ip_blocks_vd;
1464 			adev->num_ip_blocks = ARRAY_SIZE(tonga_ip_blocks_vd);
1465 			break;
1466 		case CHIP_POLARIS11:
1467 		case CHIP_POLARIS10:
1468 			adev->ip_blocks = polaris11_ip_blocks_vd;
1469 			adev->num_ip_blocks = ARRAY_SIZE(polaris11_ip_blocks_vd);
1470 			break;
1471 
1472 		case CHIP_CARRIZO:
1473 		case CHIP_STONEY:
1474 			adev->ip_blocks = cz_ip_blocks_vd;
1475 			adev->num_ip_blocks = ARRAY_SIZE(cz_ip_blocks_vd);
1476 			break;
1477 		default:
1478 			/* FIXME: not supported yet */
1479 			return -EINVAL;
1480 		}
1481 	} else {
1482 		switch (adev->asic_type) {
1483 		case CHIP_TOPAZ:
1484 			adev->ip_blocks = topaz_ip_blocks;
1485 			adev->num_ip_blocks = ARRAY_SIZE(topaz_ip_blocks);
1486 			break;
1487 		case CHIP_FIJI:
1488 			adev->ip_blocks = fiji_ip_blocks;
1489 			adev->num_ip_blocks = ARRAY_SIZE(fiji_ip_blocks);
1490 			break;
1491 		case CHIP_TONGA:
1492 			adev->ip_blocks = tonga_ip_blocks;
1493 			adev->num_ip_blocks = ARRAY_SIZE(tonga_ip_blocks);
1494 			break;
1495 		case CHIP_POLARIS11:
1496 		case CHIP_POLARIS10:
1497 			adev->ip_blocks = polaris11_ip_blocks;
1498 			adev->num_ip_blocks = ARRAY_SIZE(polaris11_ip_blocks);
1499 			break;
1500 		case CHIP_CARRIZO:
1501 		case CHIP_STONEY:
1502 			adev->ip_blocks = cz_ip_blocks;
1503 			adev->num_ip_blocks = ARRAY_SIZE(cz_ip_blocks);
1504 			break;
1505 		default:
1506 			/* FIXME: not supported yet */
1507 			return -EINVAL;
1508 		}
1509 	}
1510 
1511 	return 0;
1512 }
1513 
1514 #define ATI_REV_ID_FUSE_MACRO__ADDRESS      0xC0014044
1515 #define ATI_REV_ID_FUSE_MACRO__SHIFT        9
1516 #define ATI_REV_ID_FUSE_MACRO__MASK         0x00001E00
1517 
1518 static uint32_t vi_get_rev_id(struct amdgpu_device *adev)
1519 {
1520 	if (adev->flags & AMD_IS_APU)
1521 		return (RREG32_SMC(ATI_REV_ID_FUSE_MACRO__ADDRESS) & ATI_REV_ID_FUSE_MACRO__MASK)
1522 			>> ATI_REV_ID_FUSE_MACRO__SHIFT;
1523 	else
1524 		return (RREG32(mmPCIE_EFUSE4) & PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID_MASK)
1525 			>> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT;
1526 }
1527 
1528 static const struct amdgpu_asic_funcs vi_asic_funcs =
1529 {
1530 	.read_disabled_bios = &vi_read_disabled_bios,
1531 	.read_bios_from_rom = &vi_read_bios_from_rom,
1532 	.detect_hw_virtualization = vi_detect_hw_virtualization,
1533 	.read_register = &vi_read_register,
1534 	.reset = &vi_asic_reset,
1535 	.set_vga_state = &vi_vga_set_state,
1536 	.get_xclk = &vi_get_xclk,
1537 	.set_uvd_clocks = &vi_set_uvd_clocks,
1538 	.set_vce_clocks = &vi_set_vce_clocks,
1539 };
1540 
1541 static int vi_common_early_init(void *handle)
1542 {
1543 	bool smc_enabled = false;
1544 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1545 
1546 	if (adev->flags & AMD_IS_APU) {
1547 		adev->smc_rreg = &cz_smc_rreg;
1548 		adev->smc_wreg = &cz_smc_wreg;
1549 	} else {
1550 		adev->smc_rreg = &vi_smc_rreg;
1551 		adev->smc_wreg = &vi_smc_wreg;
1552 	}
1553 	adev->pcie_rreg = &vi_pcie_rreg;
1554 	adev->pcie_wreg = &vi_pcie_wreg;
1555 	adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg;
1556 	adev->uvd_ctx_wreg = &vi_uvd_ctx_wreg;
1557 	adev->didt_rreg = &vi_didt_rreg;
1558 	adev->didt_wreg = &vi_didt_wreg;
1559 	adev->gc_cac_rreg = &vi_gc_cac_rreg;
1560 	adev->gc_cac_wreg = &vi_gc_cac_wreg;
1561 
1562 	adev->asic_funcs = &vi_asic_funcs;
1563 
1564 	if (amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_SMC) &&
1565 		(amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_SMC)))
1566 		smc_enabled = true;
1567 
1568 	adev->rev_id = vi_get_rev_id(adev);
1569 	adev->external_rev_id = 0xFF;
1570 	switch (adev->asic_type) {
1571 	case CHIP_TOPAZ:
1572 		adev->cg_flags = 0;
1573 		adev->pg_flags = 0;
1574 		adev->external_rev_id = 0x1;
1575 		break;
1576 	case CHIP_FIJI:
1577 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1578 			AMD_CG_SUPPORT_GFX_MGLS |
1579 			AMD_CG_SUPPORT_GFX_RLC_LS |
1580 			AMD_CG_SUPPORT_GFX_CP_LS |
1581 			AMD_CG_SUPPORT_GFX_CGTS |
1582 			AMD_CG_SUPPORT_GFX_CGTS_LS |
1583 			AMD_CG_SUPPORT_GFX_CGCG |
1584 			AMD_CG_SUPPORT_GFX_CGLS |
1585 			AMD_CG_SUPPORT_SDMA_MGCG |
1586 			AMD_CG_SUPPORT_SDMA_LS |
1587 			AMD_CG_SUPPORT_BIF_LS |
1588 			AMD_CG_SUPPORT_HDP_MGCG |
1589 			AMD_CG_SUPPORT_HDP_LS |
1590 			AMD_CG_SUPPORT_ROM_MGCG |
1591 			AMD_CG_SUPPORT_MC_MGCG |
1592 			AMD_CG_SUPPORT_MC_LS;
1593 		adev->pg_flags = 0;
1594 		adev->external_rev_id = adev->rev_id + 0x3c;
1595 		break;
1596 	case CHIP_TONGA:
1597 		adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG;
1598 		adev->pg_flags = 0;
1599 		adev->external_rev_id = adev->rev_id + 0x14;
1600 		break;
1601 	case CHIP_POLARIS11:
1602 		adev->cg_flags = 0;
1603 		adev->pg_flags = 0;
1604 		adev->external_rev_id = adev->rev_id + 0x5A;
1605 		break;
1606 	case CHIP_POLARIS10:
1607 		adev->cg_flags = 0;
1608 		adev->pg_flags = 0;
1609 		adev->external_rev_id = adev->rev_id + 0x50;
1610 		break;
1611 	case CHIP_CARRIZO:
1612 		adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG |
1613 			AMD_CG_SUPPORT_GFX_MGCG |
1614 			AMD_CG_SUPPORT_GFX_MGLS |
1615 			AMD_CG_SUPPORT_GFX_RLC_LS |
1616 			AMD_CG_SUPPORT_GFX_CP_LS |
1617 			AMD_CG_SUPPORT_GFX_CGTS |
1618 			AMD_CG_SUPPORT_GFX_MGLS |
1619 			AMD_CG_SUPPORT_GFX_CGTS_LS |
1620 			AMD_CG_SUPPORT_GFX_CGCG |
1621 			AMD_CG_SUPPORT_GFX_CGLS |
1622 			AMD_CG_SUPPORT_BIF_LS |
1623 			AMD_CG_SUPPORT_HDP_MGCG |
1624 			AMD_CG_SUPPORT_HDP_LS |
1625 			AMD_CG_SUPPORT_SDMA_MGCG |
1626 			AMD_CG_SUPPORT_SDMA_LS |
1627 			AMD_CG_SUPPORT_VCE_MGCG;
1628 		/* rev0 hardware requires workarounds to support PG */
1629 		adev->pg_flags = 0;
1630 		if (adev->rev_id != 0x00) {
1631 			adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG |
1632 				AMD_PG_SUPPORT_GFX_SMG |
1633 				AMD_PG_SUPPORT_GFX_PIPELINE |
1634 				AMD_PG_SUPPORT_UVD |
1635 				AMD_PG_SUPPORT_VCE;
1636 		}
1637 		adev->external_rev_id = adev->rev_id + 0x1;
1638 		break;
1639 	case CHIP_STONEY:
1640 		adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG |
1641 			AMD_CG_SUPPORT_GFX_MGCG |
1642 			AMD_CG_SUPPORT_GFX_MGLS |
1643 			AMD_CG_SUPPORT_GFX_RLC_LS |
1644 			AMD_CG_SUPPORT_GFX_CP_LS |
1645 			AMD_CG_SUPPORT_GFX_CGTS |
1646 			AMD_CG_SUPPORT_GFX_MGLS |
1647 			AMD_CG_SUPPORT_GFX_CGTS_LS |
1648 			AMD_CG_SUPPORT_GFX_CGCG |
1649 			AMD_CG_SUPPORT_GFX_CGLS |
1650 			AMD_CG_SUPPORT_BIF_LS |
1651 			AMD_CG_SUPPORT_HDP_MGCG |
1652 			AMD_CG_SUPPORT_HDP_LS |
1653 			AMD_CG_SUPPORT_SDMA_MGCG |
1654 			AMD_CG_SUPPORT_SDMA_LS |
1655 			AMD_CG_SUPPORT_VCE_MGCG;
1656 		adev->pg_flags = AMD_PG_SUPPORT_GFX_PG |
1657 			AMD_PG_SUPPORT_GFX_SMG |
1658 			AMD_PG_SUPPORT_GFX_PIPELINE |
1659 			AMD_PG_SUPPORT_UVD |
1660 			AMD_PG_SUPPORT_VCE;
1661 		adev->external_rev_id = adev->rev_id + 0x61;
1662 		break;
1663 	default:
1664 		/* FIXME: not supported yet */
1665 		return -EINVAL;
1666 	}
1667 
1668 	/* in early init stage, vbios code won't work */
1669 	if (adev->asic_funcs->detect_hw_virtualization)
1670 		amdgpu_asic_detect_hw_virtualization(adev);
1671 
1672 	if (amdgpu_smc_load_fw && smc_enabled)
1673 		adev->firmware.smu_load = true;
1674 
1675 	amdgpu_get_pcie_info(adev);
1676 
1677 	return 0;
1678 }
1679 
1680 static int vi_common_sw_init(void *handle)
1681 {
1682 	return 0;
1683 }
1684 
1685 static int vi_common_sw_fini(void *handle)
1686 {
1687 	return 0;
1688 }
1689 
1690 static int vi_common_hw_init(void *handle)
1691 {
1692 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1693 
1694 	/* move the golden regs per IP block */
1695 	vi_init_golden_registers(adev);
1696 	/* enable pcie gen2/3 link */
1697 	vi_pcie_gen3_enable(adev);
1698 	/* enable aspm */
1699 	vi_program_aspm(adev);
1700 	/* enable the doorbell aperture */
1701 	vi_enable_doorbell_aperture(adev, true);
1702 
1703 	return 0;
1704 }
1705 
1706 static int vi_common_hw_fini(void *handle)
1707 {
1708 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1709 
1710 	/* enable the doorbell aperture */
1711 	vi_enable_doorbell_aperture(adev, false);
1712 
1713 	return 0;
1714 }
1715 
1716 static int vi_common_suspend(void *handle)
1717 {
1718 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1719 
1720 	return vi_common_hw_fini(adev);
1721 }
1722 
1723 static int vi_common_resume(void *handle)
1724 {
1725 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1726 
1727 	return vi_common_hw_init(adev);
1728 }
1729 
1730 static bool vi_common_is_idle(void *handle)
1731 {
1732 	return true;
1733 }
1734 
1735 static int vi_common_wait_for_idle(void *handle)
1736 {
1737 	return 0;
1738 }
1739 
1740 static int vi_common_soft_reset(void *handle)
1741 {
1742 	return 0;
1743 }
1744 
1745 static void vi_update_bif_medium_grain_light_sleep(struct amdgpu_device *adev,
1746 						   bool enable)
1747 {
1748 	uint32_t temp, data;
1749 
1750 	temp = data = RREG32_PCIE(ixPCIE_CNTL2);
1751 
1752 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS))
1753 		data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
1754 				PCIE_CNTL2__MST_MEM_LS_EN_MASK |
1755 				PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK;
1756 	else
1757 		data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
1758 				PCIE_CNTL2__MST_MEM_LS_EN_MASK |
1759 				PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
1760 
1761 	if (temp != data)
1762 		WREG32_PCIE(ixPCIE_CNTL2, data);
1763 }
1764 
1765 static void vi_update_hdp_medium_grain_clock_gating(struct amdgpu_device *adev,
1766 						    bool enable)
1767 {
1768 	uint32_t temp, data;
1769 
1770 	temp = data = RREG32(mmHDP_HOST_PATH_CNTL);
1771 
1772 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
1773 		data &= ~HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK;
1774 	else
1775 		data |= HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK;
1776 
1777 	if (temp != data)
1778 		WREG32(mmHDP_HOST_PATH_CNTL, data);
1779 }
1780 
1781 static void vi_update_hdp_light_sleep(struct amdgpu_device *adev,
1782 				      bool enable)
1783 {
1784 	uint32_t temp, data;
1785 
1786 	temp = data = RREG32(mmHDP_MEM_POWER_LS);
1787 
1788 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1789 		data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1790 	else
1791 		data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1792 
1793 	if (temp != data)
1794 		WREG32(mmHDP_MEM_POWER_LS, data);
1795 }
1796 
1797 static void vi_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
1798 						    bool enable)
1799 {
1800 	uint32_t temp, data;
1801 
1802 	temp = data = RREG32_SMC(ixCGTT_ROM_CLK_CTRL0);
1803 
1804 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
1805 		data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1806 				CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
1807 	else
1808 		data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1809 				CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
1810 
1811 	if (temp != data)
1812 		WREG32_SMC(ixCGTT_ROM_CLK_CTRL0, data);
1813 }
1814 
1815 static int vi_common_set_clockgating_state_by_smu(void *handle,
1816 					   enum amd_clockgating_state state)
1817 {
1818 	uint32_t msg_id, pp_state;
1819 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1820 	void *pp_handle = adev->powerplay.pp_handle;
1821 
1822 	if (state == AMD_CG_STATE_UNGATE)
1823 		pp_state = 0;
1824 	else
1825 		pp_state = PP_STATE_CG | PP_STATE_LS;
1826 
1827 	msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1828 		       PP_BLOCK_SYS_MC,
1829 		       PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
1830 		       pp_state);
1831 	amd_set_clockgating_by_smu(pp_handle, msg_id);
1832 
1833 	msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1834 		       PP_BLOCK_SYS_SDMA,
1835 		       PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
1836 		       pp_state);
1837 	amd_set_clockgating_by_smu(pp_handle, msg_id);
1838 
1839 	msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1840 		       PP_BLOCK_SYS_HDP,
1841 		       PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
1842 		       pp_state);
1843 	amd_set_clockgating_by_smu(pp_handle, msg_id);
1844 
1845 	msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1846 		       PP_BLOCK_SYS_BIF,
1847 		       PP_STATE_SUPPORT_LS,
1848 		       pp_state);
1849 	amd_set_clockgating_by_smu(pp_handle, msg_id);
1850 
1851 	msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1852 		       PP_BLOCK_SYS_BIF,
1853 		       PP_STATE_SUPPORT_CG,
1854 		       pp_state);
1855 	amd_set_clockgating_by_smu(pp_handle, msg_id);
1856 
1857 	msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1858 		       PP_BLOCK_SYS_DRM,
1859 		       PP_STATE_SUPPORT_LS,
1860 		       pp_state);
1861 	amd_set_clockgating_by_smu(pp_handle, msg_id);
1862 
1863 	msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1864 		       PP_BLOCK_SYS_ROM,
1865 		       PP_STATE_SUPPORT_CG,
1866 		       pp_state);
1867 	amd_set_clockgating_by_smu(pp_handle, msg_id);
1868 
1869 	return 0;
1870 }
1871 
1872 static int vi_common_set_clockgating_state(void *handle,
1873 					   enum amd_clockgating_state state)
1874 {
1875 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1876 
1877 	switch (adev->asic_type) {
1878 	case CHIP_FIJI:
1879 		vi_update_bif_medium_grain_light_sleep(adev,
1880 				state == AMD_CG_STATE_GATE ? true : false);
1881 		vi_update_hdp_medium_grain_clock_gating(adev,
1882 				state == AMD_CG_STATE_GATE ? true : false);
1883 		vi_update_hdp_light_sleep(adev,
1884 				state == AMD_CG_STATE_GATE ? true : false);
1885 		vi_update_rom_medium_grain_clock_gating(adev,
1886 				state == AMD_CG_STATE_GATE ? true : false);
1887 		break;
1888 	case CHIP_CARRIZO:
1889 	case CHIP_STONEY:
1890 		vi_update_bif_medium_grain_light_sleep(adev,
1891 				state == AMD_CG_STATE_GATE ? true : false);
1892 		vi_update_hdp_medium_grain_clock_gating(adev,
1893 				state == AMD_CG_STATE_GATE ? true : false);
1894 		vi_update_hdp_light_sleep(adev,
1895 				state == AMD_CG_STATE_GATE ? true : false);
1896 		break;
1897 	case CHIP_TONGA:
1898 	case CHIP_POLARIS10:
1899 	case CHIP_POLARIS11:
1900 		vi_common_set_clockgating_state_by_smu(adev, state);
1901 	default:
1902 		break;
1903 	}
1904 	return 0;
1905 }
1906 
1907 static int vi_common_set_powergating_state(void *handle,
1908 					    enum amd_powergating_state state)
1909 {
1910 	return 0;
1911 }
1912 
1913 const struct amd_ip_funcs vi_common_ip_funcs = {
1914 	.name = "vi_common",
1915 	.early_init = vi_common_early_init,
1916 	.late_init = NULL,
1917 	.sw_init = vi_common_sw_init,
1918 	.sw_fini = vi_common_sw_fini,
1919 	.hw_init = vi_common_hw_init,
1920 	.hw_fini = vi_common_hw_fini,
1921 	.suspend = vi_common_suspend,
1922 	.resume = vi_common_resume,
1923 	.is_idle = vi_common_is_idle,
1924 	.wait_for_idle = vi_common_wait_for_idle,
1925 	.soft_reset = vi_common_soft_reset,
1926 	.set_clockgating_state = vi_common_set_clockgating_state,
1927 	.set_powergating_state = vi_common_set_powergating_state,
1928 };
1929 
1930