From 2d4fd028e1788bf8c0a70e20433d6db6d68b03b9 Mon Sep 17 00:00:00 2001
From: Huang Rui <ray.huang@amd.com>
Date: Wed, 1 Jul 2020 16:49:27 +0800
Subject: drm/amdgpu: use register distance member instead of hardcode in mmhub
 v2
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Git-commit: ff225c031a329c331b94f0d86a08fb34a97c1157
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

This patch updates to use register distance member instead of hardcode
in mmhub v2.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Tested-by: AnZhong Huang <anzhong.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c | 39 +++++++++++++++----------
 1 file changed, 24 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
index 9bfb77c42fa4..d820fa02e6e8 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
@@ -39,15 +39,15 @@
 void mmhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
 				uint64_t page_table_base)
 {
-	/* two registers distance between mmMMVM_CONTEXT0_* to mmMMVM_CONTEXT1_* */
-	int offset = mmMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32
-			- mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
+	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 
 	WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
-			offset * vmid, lower_32_bits(page_table_base));
+			    hub->ctx_addr_distance * vmid,
+			    lower_32_bits(page_table_base));
 
 	WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
-			offset * vmid, upper_32_bits(page_table_base));
+			    hub->ctx_addr_distance * vmid,
+			    upper_32_bits(page_table_base));
 }
 
 static void mmhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev)
@@ -209,6 +209,7 @@ static void mmhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev)
 
 static void mmhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
 {
+	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 	int i;
 	uint32_t tmp;
 
@@ -239,25 +240,31 @@ static void mmhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
 		tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
 				    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
 				    !amdgpu_noretry);
-		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_CNTL, i, tmp);
-		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0);
-		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0);
-		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i*2,
-			lower_32_bits(adev->vm_manager.max_pfn - 1));
-		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2,
-			upper_32_bits(adev->vm_manager.max_pfn - 1));
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_CNTL,
+				    i * hub->ctx_distance, tmp);
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
+				    i * hub->ctx_addr_distance, 0);
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
+				    i * hub->ctx_addr_distance, 0);
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
+				    i * hub->ctx_addr_distance,
+				    lower_32_bits(adev->vm_manager.max_pfn - 1));
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
+				    i * hub->ctx_addr_distance,
+				    upper_32_bits(adev->vm_manager.max_pfn - 1));
 	}
 }
 
 static void mmhub_v2_0_program_invalidation(struct amdgpu_device *adev)
 {
+	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 	unsigned i;
 
 	for (i = 0; i < 18; ++i) {
 		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
-				    2 * i, 0xffffffff);
+				    i * hub->eng_addr_distance, 0xffffffff);
 		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
-				    2 * i, 0x1f);
+				    i * hub->eng_addr_distance, 0x1f);
 	}
 }
 
@@ -279,12 +286,14 @@ int mmhub_v2_0_gart_enable(struct amdgpu_device *adev)
 
 void mmhub_v2_0_gart_disable(struct amdgpu_device *adev)
 {
+	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 	u32 tmp;
 	u32 i;
 
 	/* Disable all tables */
 	for (i = 0; i < 16; i++)
-		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL, i, 0);
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmMMVM_CONTEXT0_CNTL,
+				    i * hub->ctx_distance, 0);
 
 	/* Setup TLB control */
 	tmp = RREG32_SOC15(MMHUB, 0, mmMMMC_VM_MX_L1_TLB_CNTL);
-- 
2.29.2

