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	This patch to update ATHUB_MISC_CNTL offset for athub v3.3 v2: correct a typo (Tim) v3: correct patch title (Lang) Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Tim Huang <Tim.Huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
		
			
				
	
	
		
			139 lines
		
	
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			139 lines
		
	
	
	
		
			3.9 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 "athub_v3_0.h"
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#include "athub/athub_3_0_0_offset.h"
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#include "athub/athub_3_0_0_sh_mask.h"
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#include "navi10_enum.h"
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#include "soc15_common.h"
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#define regATHUB_MISC_CNTL_V3_0_1			0x00d7
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#define regATHUB_MISC_CNTL_V3_0_1_BASE_IDX		0
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#define regATHUB_MISC_CNTL_V3_3_0			0x00d8
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#define regATHUB_MISC_CNTL_V3_3_0_BASE_IDX		0
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static uint32_t athub_v3_0_get_cg_cntl(struct amdgpu_device *adev)
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{
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	uint32_t data;
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	switch (amdgpu_ip_version(adev, ATHUB_HWIP, 0)) {
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	case IP_VERSION(3, 0, 1):
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		data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL_V3_0_1);
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		break;
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	case IP_VERSION(3, 3, 0):
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		data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL_V3_3_0);
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		break;
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	default:
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		data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL);
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		break;
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	}
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	return data;
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}
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static void athub_v3_0_set_cg_cntl(struct amdgpu_device *adev, uint32_t data)
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{
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	switch (amdgpu_ip_version(adev, ATHUB_HWIP, 0)) {
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	case IP_VERSION(3, 0, 1):
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		WREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL_V3_0_1, data);
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		break;
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	case IP_VERSION(3, 3, 0):
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		WREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL_V3_3_0, data);
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		break;
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	default:
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		WREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL, data);
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		break;
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	}
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}
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static void
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athub_v3_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
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					    bool enable)
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{
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	uint32_t def, data;
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	def = data = athub_v3_0_get_cg_cntl(adev);
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	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ATHUB_MGCG))
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		data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
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	else
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		data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
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	if (def != data)
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		athub_v3_0_set_cg_cntl(adev, data);
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}
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static void
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athub_v3_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
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					   bool enable)
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{
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	uint32_t def, data;
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	def = data = athub_v3_0_get_cg_cntl(adev);
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	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ATHUB_LS))
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		data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
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	else
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		data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
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	if (def != data)
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		athub_v3_0_set_cg_cntl(adev, data);
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}
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int athub_v3_0_set_clockgating(struct amdgpu_device *adev,
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			       enum amd_clockgating_state state)
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{
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	if (amdgpu_sriov_vf(adev))
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		return 0;
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	switch (amdgpu_ip_version(adev, ATHUB_HWIP, 0)) {
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	case IP_VERSION(3, 0, 0):
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	case IP_VERSION(3, 0, 1):
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	case IP_VERSION(3, 0, 2):
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	case IP_VERSION(3, 3, 0):
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		athub_v3_0_update_medium_grain_clock_gating(adev,
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				state == AMD_CG_STATE_GATE);
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		athub_v3_0_update_medium_grain_light_sleep(adev,
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				state == AMD_CG_STATE_GATE);
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		break;
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	default:
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		break;
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	}
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	return 0;
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}
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void athub_v3_0_get_clockgating(struct amdgpu_device *adev, u64 *flags)
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{
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	int data;
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	/* AMD_CG_SUPPORT_ATHUB_MGCG */
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	data = athub_v3_0_get_cg_cntl(adev);
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	if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)
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		*flags |= AMD_CG_SUPPORT_ATHUB_MGCG;
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	/* AMD_CG_SUPPORT_ATHUB_LS */
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	if (data & ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK)
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		*flags |= AMD_CG_SUPPORT_ATHUB_LS;
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}
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