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	Add nbio callback to configure doorbell settings. Signed-off-by: Lang Yu <Lang.Yu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
		
			
				
	
	
		
			267 lines
		
	
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			267 lines
		
	
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 2021 Advanced Micro Devices, Inc.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 * OTHER DEALINGS IN THE SOFTWARE.
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 *
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 */
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#include "amdgpu.h"
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#include "amdgpu_atombios.h"
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#include "nbio_v7_11.h"
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#include "nbio/nbio_7_11_0_offset.h"
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#include "nbio/nbio_7_11_0_sh_mask.h"
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#include <uapi/linux/kfd_ioctl.h>
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static u32 nbio_v7_11_get_rev_id(struct amdgpu_device *adev)
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{
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	u32 tmp;
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         printk("%s, getid\n",__func__);
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		tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP1_RCC_DEV0_EPF0_STRAP0);
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	tmp &= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK;
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	tmp >>= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT;
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	return tmp;
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}
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static void nbio_v7_11_mc_access_enable(struct amdgpu_device *adev, bool enable)
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{
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	if (enable)
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		WREG32_SOC15(NBIO, 0, regBIF_BX1_BIF_FB_EN,
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			BIF_BX1_BIF_FB_EN__FB_READ_EN_MASK |
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			BIF_BX1_BIF_FB_EN__FB_WRITE_EN_MASK);
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	else
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		WREG32_SOC15(NBIO, 0, regBIF_BX1_BIF_FB_EN, 0);
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}
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static u32 nbio_v7_11_get_memsize(struct amdgpu_device *adev)
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{
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	return RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_CONFIG_MEMSIZE);
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}
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static void nbio_v7_11_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
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					  bool use_doorbell, int doorbell_index,
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					  int doorbell_size)
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{
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	u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_SDMA0_DOORBELL_RANGE);
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	u32 doorbell_range = RREG32_PCIE_PORT(reg);
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	if (use_doorbell) {
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		doorbell_range = REG_SET_FIELD(doorbell_range,
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					       GDC0_BIF_SDMA0_DOORBELL_RANGE,
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					       OFFSET, doorbell_index);
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		doorbell_range = REG_SET_FIELD(doorbell_range,
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					       GDC0_BIF_SDMA0_DOORBELL_RANGE,
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					       SIZE, doorbell_size);
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	} else {
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		doorbell_range = REG_SET_FIELD(doorbell_range,
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					       GDC0_BIF_SDMA0_DOORBELL_RANGE,
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					       SIZE, 0);
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	}
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	WREG32_PCIE_PORT(reg, doorbell_range);
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}
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static void nbio_v7_11_vpe_doorbell_range(struct amdgpu_device *adev, int instance,
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					  bool use_doorbell, int doorbell_index,
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					  int doorbell_size)
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{
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	u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_VPE_DOORBELL_RANGE);
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	u32 doorbell_range = RREG32_PCIE_PORT(reg);
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	if (use_doorbell) {
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		doorbell_range = REG_SET_FIELD(doorbell_range,
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					       GDC0_BIF_VPE_DOORBELL_RANGE,
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					       OFFSET, doorbell_index);
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		doorbell_range = REG_SET_FIELD(doorbell_range,
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					       GDC0_BIF_VPE_DOORBELL_RANGE,
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					       SIZE, doorbell_size);
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	} else {
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		doorbell_range = REG_SET_FIELD(doorbell_range,
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					       GDC0_BIF_VPE_DOORBELL_RANGE,
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					       SIZE, 0);
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	}
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	WREG32_PCIE_PORT(reg, doorbell_range);
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}
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static void nbio_v7_11_enable_doorbell_aperture(struct amdgpu_device *adev,
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					       bool enable)
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{
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	u32 reg;
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	reg = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN);
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	reg = REG_SET_FIELD(reg, RCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN,
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			    BIF_DOORBELL_APER_EN, enable ? 1 : 0);
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	WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN, reg);
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}
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static void nbio_v7_11_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
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							bool enable)
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{
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/*	u32 tmp = 0;
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	if (enable) {
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		tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
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				DOORBELL_SELFRING_GPA_APER_EN, 1) |
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			REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
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				DOORBELL_SELFRING_GPA_APER_MODE, 1) |
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			REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
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				DOORBELL_SELFRING_GPA_APER_SIZE, 0);
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		WREG32_SOC15(NBIO, 0,
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			regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW,
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			lower_32_bits(adev->doorbell.base));
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		WREG32_SOC15(NBIO, 0,
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			regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH,
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			upper_32_bits(adev->doorbell.base));
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	}
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	WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
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		tmp);
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*/
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}
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static void nbio_v7_11_ih_doorbell_range(struct amdgpu_device *adev,
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					bool use_doorbell, int doorbell_index)
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{    
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	u32 ih_doorbell_range = RREG32_SOC15(NBIO, 0,regGDC0_BIF_IH_DOORBELL_RANGE);
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	if (use_doorbell) {
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		ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
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						  GDC0_BIF_IH_DOORBELL_RANGE, OFFSET,
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						  doorbell_index);
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		ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
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						  GDC0_BIF_IH_DOORBELL_RANGE, SIZE,
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						  2);
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	} else {
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		ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
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						  GDC0_BIF_IH_DOORBELL_RANGE, SIZE,
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						  0);
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	}
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	WREG32_SOC15(NBIO, 0, regGDC0_BIF_IH_DOORBELL_RANGE,
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			 ih_doorbell_range);
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}
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static void nbio_v7_11_ih_control(struct amdgpu_device *adev)
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{
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	u32 interrupt_cntl;
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	/* setup interrupt control */
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	WREG32_SOC15(NBIO, 0, regBIF_BX1_INTERRUPT_CNTL2,
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		     adev->dummy_page_addr >> 8);
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	interrupt_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX1_INTERRUPT_CNTL);
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	/*
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	 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
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	 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
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	 */
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	interrupt_cntl = REG_SET_FIELD(interrupt_cntl, BIF_BX1_INTERRUPT_CNTL,
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				       IH_DUMMY_RD_OVERRIDE, 0);
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	/* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */
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	interrupt_cntl = REG_SET_FIELD(interrupt_cntl, BIF_BX1_INTERRUPT_CNTL,
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				       IH_REQ_NONSNOOP_EN, 0);
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	WREG32_SOC15(NBIO, 0, regBIF_BX1_INTERRUPT_CNTL, interrupt_cntl);
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}
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static u32 nbio_v7_11_get_hdp_flush_req_offset(struct amdgpu_device *adev)
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{
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	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_REQ);
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}
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static u32 nbio_v7_11_get_hdp_flush_done_offset(struct amdgpu_device *adev)
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{
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	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_DONE);
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}
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static u32 nbio_v7_11_get_pcie_index_offset(struct amdgpu_device *adev)
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{
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	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX1_PCIE_INDEX2);
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}
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static u32 nbio_v7_11_get_pcie_data_offset(struct amdgpu_device *adev)
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{
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	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX1_PCIE_DATA2);
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}
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static u32 nbio_v7_11_get_pcie_port_index_offset(struct amdgpu_device *adev)
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{
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	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_INDEX);
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}
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static u32 nbio_v7_11_get_pcie_port_data_offset(struct amdgpu_device *adev)
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{
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	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_DATA);
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}
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const struct nbio_hdp_flush_reg nbio_v7_11_hdp_flush_reg = {
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	.ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK,
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	.ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK,
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	.ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK,
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	.ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK,
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	.ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK,
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	.ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK,
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	.ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK,
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	.ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK,
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	.ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK,
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	.ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK,
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	.ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK,
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	.ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK,
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};
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static void nbio_v7_11_init_registers(struct amdgpu_device *adev)
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{
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/*	uint32_t def, data;
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		def = data = RREG32_SOC15(NBIO, 0, regBIF_BIF256_CI256_RC3X4_USB4_PCIE_MST_CTRL_3);
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		data = REG_SET_FIELD(data, BIF_BIF256_CI256_RC3X4_USB4_PCIE_MST_CTRL_3,
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			CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1);
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		data = REG_SET_FIELD(data, BIF_BIF256_CI256_RC3X4_USB4_PCIE_MST_CTRL_3,
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			CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1);
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		if (def != data)
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			WREG32_SOC15(NBIO, 0, regBIF_BIF256_CI256_RC3X4_USB4_PCIE_MST_CTRL_3, data);
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*/
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}
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const struct amdgpu_nbio_funcs nbio_v7_11_funcs = {
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	.get_hdp_flush_req_offset = nbio_v7_11_get_hdp_flush_req_offset,
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	.get_hdp_flush_done_offset = nbio_v7_11_get_hdp_flush_done_offset,
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	.get_pcie_index_offset = nbio_v7_11_get_pcie_index_offset,
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	.get_pcie_data_offset = nbio_v7_11_get_pcie_data_offset,
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	.get_pcie_port_index_offset = nbio_v7_11_get_pcie_port_index_offset,
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	.get_pcie_port_data_offset = nbio_v7_11_get_pcie_port_data_offset,
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	.get_rev_id = nbio_v7_11_get_rev_id,
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	.mc_access_enable = nbio_v7_11_mc_access_enable,
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	.get_memsize = nbio_v7_11_get_memsize,
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	.sdma_doorbell_range = nbio_v7_11_sdma_doorbell_range,
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	.vpe_doorbell_range = nbio_v7_11_vpe_doorbell_range,
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	.enable_doorbell_aperture = nbio_v7_11_enable_doorbell_aperture,
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	.enable_doorbell_selfring_aperture = nbio_v7_11_enable_doorbell_selfring_aperture,
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	.ih_doorbell_range = nbio_v7_11_ih_doorbell_range,
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	.ih_control = nbio_v7_11_ih_control,
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	.init_registers = nbio_v7_11_init_registers,
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};
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