2 * Copyright 2019 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include "amdgpu_atombios.h"
25 #include "nbio_v2_3.h"
27 #include "nbio/nbio_2_3_default.h"
28 #include "nbio/nbio_2_3_offset.h"
29 #include "nbio/nbio_2_3_sh_mask.h"
30 #include <uapi/linux/kfd_ioctl.h>
31 #include <linux/pci.h>
33 #define smnPCIE_CONFIG_CNTL 0x11180044
34 #define smnCPM_CONTROL 0x11180460
35 #define smnPCIE_CNTL2 0x11180070
36 #define smnPCIE_LC_CNTL 0x11140280
37 #define smnPCIE_LC_CNTL3 0x111402d4
38 #define smnPCIE_LC_CNTL6 0x111402ec
39 #define smnPCIE_LC_CNTL7 0x111402f0
40 #define smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2 0x1014008c
41 #define smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL 0x10123538
42 #define smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP 0x10140324
43 #define smnPSWUSP0_PCIE_LC_CNTL2 0x111402c4
44 #define smnNBIF_MGCG_CTRL_LCLK 0x1013a21c
46 #define mmBIF_SDMA2_DOORBELL_RANGE 0x01d6
47 #define mmBIF_SDMA2_DOORBELL_RANGE_BASE_IDX 2
48 #define mmBIF_SDMA3_DOORBELL_RANGE 0x01d7
49 #define mmBIF_SDMA3_DOORBELL_RANGE_BASE_IDX 2
51 #define mmBIF_MMSCH1_DOORBELL_RANGE 0x01d8
52 #define mmBIF_MMSCH1_DOORBELL_RANGE_BASE_IDX 2
54 static void nbio_v2_3_remap_hdp_registers(struct amdgpu_device *adev)
56 WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
57 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
58 WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
59 adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
62 static u32 nbio_v2_3_get_rev_id(struct amdgpu_device *adev)
67 * guest vm gets 0xffffffff when reading RCC_DEV0_EPF0_STRAP0,
68 * therefore we force rev_id to 0 (which is the default value)
70 if (amdgpu_sriov_vf(adev)) {
74 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0);
75 tmp &= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK;
76 tmp >>= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT;
81 static void nbio_v2_3_mc_access_enable(struct amdgpu_device *adev, bool enable)
84 WREG32_SOC15(NBIO, 0, mmBIF_FB_EN,
85 BIF_FB_EN__FB_READ_EN_MASK |
86 BIF_FB_EN__FB_WRITE_EN_MASK);
88 WREG32_SOC15(NBIO, 0, mmBIF_FB_EN, 0);
91 static u32 nbio_v2_3_get_memsize(struct amdgpu_device *adev)
93 return RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_RCC_CONFIG_MEMSIZE);
96 static void nbio_v2_3_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
97 bool use_doorbell, int doorbell_index,
100 u32 reg = instance == 0 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE) :
101 instance == 1 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_DOORBELL_RANGE) :
102 instance == 2 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA2_DOORBELL_RANGE) :
103 SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA3_DOORBELL_RANGE);
105 u32 doorbell_range = RREG32(reg);
108 doorbell_range = REG_SET_FIELD(doorbell_range,
109 BIF_SDMA0_DOORBELL_RANGE, OFFSET,
111 doorbell_range = REG_SET_FIELD(doorbell_range,
112 BIF_SDMA0_DOORBELL_RANGE, SIZE,
115 doorbell_range = REG_SET_FIELD(doorbell_range,
116 BIF_SDMA0_DOORBELL_RANGE, SIZE,
119 WREG32(reg, doorbell_range);
122 static void nbio_v2_3_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
123 int doorbell_index, int instance)
125 u32 reg = instance ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH1_DOORBELL_RANGE) :
126 SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH0_DOORBELL_RANGE);
128 u32 doorbell_range = RREG32(reg);
131 doorbell_range = REG_SET_FIELD(doorbell_range,
132 BIF_MMSCH0_DOORBELL_RANGE, OFFSET,
134 doorbell_range = REG_SET_FIELD(doorbell_range,
135 BIF_MMSCH0_DOORBELL_RANGE, SIZE, 8);
137 doorbell_range = REG_SET_FIELD(doorbell_range,
138 BIF_MMSCH0_DOORBELL_RANGE, SIZE, 0);
140 WREG32(reg, doorbell_range);
143 static void nbio_v2_3_enable_doorbell_aperture(struct amdgpu_device *adev,
146 WREG32_FIELD15(NBIO, 0, RCC_DEV0_EPF0_RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN,
150 static void nbio_v2_3_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
156 tmp = REG_SET_FIELD(tmp, BIF_BX_PF_DOORBELL_SELFRING_GPA_APER_CNTL,
157 DOORBELL_SELFRING_GPA_APER_EN, 1) |
158 REG_SET_FIELD(tmp, BIF_BX_PF_DOORBELL_SELFRING_GPA_APER_CNTL,
159 DOORBELL_SELFRING_GPA_APER_MODE, 1) |
160 REG_SET_FIELD(tmp, BIF_BX_PF_DOORBELL_SELFRING_GPA_APER_CNTL,
161 DOORBELL_SELFRING_GPA_APER_SIZE, 0);
163 WREG32_SOC15(NBIO, 0, mmBIF_BX_PF_DOORBELL_SELFRING_GPA_APER_BASE_LOW,
164 lower_32_bits(adev->doorbell.base));
165 WREG32_SOC15(NBIO, 0, mmBIF_BX_PF_DOORBELL_SELFRING_GPA_APER_BASE_HIGH,
166 upper_32_bits(adev->doorbell.base));
169 WREG32_SOC15(NBIO, 0, mmBIF_BX_PF_DOORBELL_SELFRING_GPA_APER_CNTL,
174 static void nbio_v2_3_ih_doorbell_range(struct amdgpu_device *adev,
175 bool use_doorbell, int doorbell_index)
177 u32 ih_doorbell_range = RREG32_SOC15(NBIO, 0, mmBIF_IH_DOORBELL_RANGE);
180 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
181 BIF_IH_DOORBELL_RANGE, OFFSET,
183 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
184 BIF_IH_DOORBELL_RANGE, SIZE,
187 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
188 BIF_IH_DOORBELL_RANGE, SIZE,
191 WREG32_SOC15(NBIO, 0, mmBIF_IH_DOORBELL_RANGE, ih_doorbell_range);
194 static void nbio_v2_3_ih_control(struct amdgpu_device *adev)
198 /* setup interrupt control */
199 WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8);
201 interrupt_cntl = RREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL);
203 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
204 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
206 interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL,
207 IH_DUMMY_RD_OVERRIDE, 0);
209 /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */
210 interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL,
211 IH_REQ_NONSNOOP_EN, 0);
213 WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL, interrupt_cntl);
216 static void nbio_v2_3_update_medium_grain_clock_gating(struct amdgpu_device *adev,
221 def = data = RREG32_PCIE(smnCPM_CONTROL);
222 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) {
223 data |= (CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK |
224 CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK |
225 CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK |
226 CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK |
227 CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK |
228 CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK);
230 data &= ~(CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK |
231 CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK |
232 CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK |
233 CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK |
234 CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK |
235 CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK);
239 WREG32_PCIE(smnCPM_CONTROL, data);
242 static void nbio_v2_3_update_medium_grain_light_sleep(struct amdgpu_device *adev,
247 def = data = RREG32_PCIE(smnPCIE_CNTL2);
248 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) {
249 data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
250 PCIE_CNTL2__MST_MEM_LS_EN_MASK |
251 PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
253 data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
254 PCIE_CNTL2__MST_MEM_LS_EN_MASK |
255 PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
259 WREG32_PCIE(smnPCIE_CNTL2, data);
262 static void nbio_v2_3_get_clockgating_state(struct amdgpu_device *adev,
267 /* AMD_CG_SUPPORT_BIF_MGCG */
268 data = RREG32_PCIE(smnCPM_CONTROL);
269 if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK)
270 *flags |= AMD_CG_SUPPORT_BIF_MGCG;
272 /* AMD_CG_SUPPORT_BIF_LS */
273 data = RREG32_PCIE(smnPCIE_CNTL2);
274 if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK)
275 *flags |= AMD_CG_SUPPORT_BIF_LS;
278 static u32 nbio_v2_3_get_hdp_flush_req_offset(struct amdgpu_device *adev)
280 return SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_GPU_HDP_FLUSH_REQ);
283 static u32 nbio_v2_3_get_hdp_flush_done_offset(struct amdgpu_device *adev)
285 return SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_GPU_HDP_FLUSH_DONE);
288 static u32 nbio_v2_3_get_pcie_index_offset(struct amdgpu_device *adev)
290 return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX2);
293 static u32 nbio_v2_3_get_pcie_data_offset(struct amdgpu_device *adev)
295 return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA2);
298 const struct nbio_hdp_flush_reg nbio_v2_3_hdp_flush_reg = {
299 .ref_and_mask_cp0 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP0_MASK,
300 .ref_and_mask_cp1 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP1_MASK,
301 .ref_and_mask_cp2 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP2_MASK,
302 .ref_and_mask_cp3 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP3_MASK,
303 .ref_and_mask_cp4 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP4_MASK,
304 .ref_and_mask_cp5 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP5_MASK,
305 .ref_and_mask_cp6 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP6_MASK,
306 .ref_and_mask_cp7 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP7_MASK,
307 .ref_and_mask_cp8 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP8_MASK,
308 .ref_and_mask_cp9 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP9_MASK,
309 .ref_and_mask_sdma0 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__SDMA0_MASK,
310 .ref_and_mask_sdma1 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__SDMA1_MASK,
313 static void nbio_v2_3_init_registers(struct amdgpu_device *adev)
317 def = data = RREG32_PCIE(smnPCIE_CONFIG_CNTL);
318 data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1);
319 data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1);
322 WREG32_PCIE(smnPCIE_CONFIG_CNTL, data);
325 #define NAVI10_PCIE__LC_L0S_INACTIVITY_DEFAULT 0x00000000 // off by default, no gains over L1
326 #define NAVI10_PCIE__LC_L1_INACTIVITY_DEFAULT 0x00000009 // 1=1us, 9=1ms
327 #define NAVI10_PCIE__LC_L1_INACTIVITY_TBT_DEFAULT 0x0000000E // 4ms
329 static void nbio_v2_3_enable_aspm(struct amdgpu_device *adev,
334 def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
337 /* Disable ASPM L0s/L1 first */
338 data &= ~(PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK | PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK);
340 data |= NAVI10_PCIE__LC_L0S_INACTIVITY_DEFAULT << PCIE_LC_CNTL__LC_L0S_INACTIVITY__SHIFT;
342 if (pci_is_thunderbolt_attached(adev->pdev))
343 data |= NAVI10_PCIE__LC_L1_INACTIVITY_TBT_DEFAULT << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT;
345 data |= NAVI10_PCIE__LC_L1_INACTIVITY_DEFAULT << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT;
347 data &= ~PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
349 /* Disbale ASPM L1 */
350 data &= ~PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK;
351 /* Disable ASPM TxL0s */
352 data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
353 /* Disable ACPI L1 */
354 data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
358 WREG32_PCIE(smnPCIE_LC_CNTL, data);
361 static void nbio_v2_3_program_ltr(struct amdgpu_device *adev)
365 WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, 0x75EB);
367 def = data = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP2);
368 data &= ~RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK;
370 WREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP2, data);
372 def = data = RREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL);
373 data &= ~EP_PCIE_TX_LTR_CNTL__LTR_PRIV_MSG_DIS_IN_PM_NON_D0_MASK;
375 WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, data);
377 def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
378 data |= BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
380 WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
383 static void nbio_v2_3_program_aspm(struct amdgpu_device *adev)
387 def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
388 data &= ~PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK;
389 data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
390 data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
392 WREG32_PCIE(smnPCIE_LC_CNTL, data);
394 def = data = RREG32_PCIE(smnPCIE_LC_CNTL7);
395 data |= PCIE_LC_CNTL7__LC_NBIF_ASPM_INPUT_EN_MASK;
397 WREG32_PCIE(smnPCIE_LC_CNTL7, data);
399 def = data = RREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK);
400 data |= NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_REG_DIS_LCLK_MASK;
402 WREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK, data);
404 def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
405 data |= PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
407 WREG32_PCIE(smnPCIE_LC_CNTL3, data);
409 def = data = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP3);
410 data &= ~RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK;
411 data &= ~RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK;
413 WREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP3, data);
415 def = data = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP5);
416 data &= ~RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK;
418 WREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP5, data);
420 def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
421 data &= ~BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
423 WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
425 WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP, 0x10011001);
427 def = data = RREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2);
428 data |= PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L1_MASK |
429 PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L23_MASK;
430 data &= ~PSWUSP0_PCIE_LC_CNTL2__LC_RCV_L0_TO_RCV_L0S_DIS_MASK;
432 WREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2, data);
434 def = data = RREG32_PCIE(smnPCIE_LC_CNTL6);
435 data |= PCIE_LC_CNTL6__LC_L1_POWERDOWN_MASK |
436 PCIE_LC_CNTL6__LC_RX_L0S_STANDBY_EN_MASK;
438 WREG32_PCIE(smnPCIE_LC_CNTL6, data);
440 nbio_v2_3_program_ltr(adev);
442 def = data = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP3);
443 data |= 0x5DE0 << RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT;
444 data |= 0x0010 << RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT;
446 WREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP3, data);
448 def = data = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP5);
449 data |= 0x0010 << RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT;
451 WREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP5, data);
453 def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
454 data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
455 data |= 0x9 << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT;
456 data |= 0x1 << PCIE_LC_CNTL__LC_PMI_TO_L1_DIS__SHIFT;
458 WREG32_PCIE(smnPCIE_LC_CNTL, data);
460 def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
461 data &= ~PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
463 WREG32_PCIE(smnPCIE_LC_CNTL3, data);
466 const struct amdgpu_nbio_funcs nbio_v2_3_funcs = {
467 .get_hdp_flush_req_offset = nbio_v2_3_get_hdp_flush_req_offset,
468 .get_hdp_flush_done_offset = nbio_v2_3_get_hdp_flush_done_offset,
469 .get_pcie_index_offset = nbio_v2_3_get_pcie_index_offset,
470 .get_pcie_data_offset = nbio_v2_3_get_pcie_data_offset,
471 .get_rev_id = nbio_v2_3_get_rev_id,
472 .mc_access_enable = nbio_v2_3_mc_access_enable,
473 .get_memsize = nbio_v2_3_get_memsize,
474 .sdma_doorbell_range = nbio_v2_3_sdma_doorbell_range,
475 .vcn_doorbell_range = nbio_v2_3_vcn_doorbell_range,
476 .enable_doorbell_aperture = nbio_v2_3_enable_doorbell_aperture,
477 .enable_doorbell_selfring_aperture = nbio_v2_3_enable_doorbell_selfring_aperture,
478 .ih_doorbell_range = nbio_v2_3_ih_doorbell_range,
479 .update_medium_grain_clock_gating = nbio_v2_3_update_medium_grain_clock_gating,
480 .update_medium_grain_light_sleep = nbio_v2_3_update_medium_grain_light_sleep,
481 .get_clockgating_state = nbio_v2_3_get_clockgating_state,
482 .ih_control = nbio_v2_3_ih_control,
483 .init_registers = nbio_v2_3_init_registers,
484 .remap_hdp_registers = nbio_v2_3_remap_hdp_registers,
485 .enable_aspm = nbio_v2_3_enable_aspm,
486 .program_aspm = nbio_v2_3_program_aspm,