This reverts commit 74ab07e3290ff38b31448af7bcf2085cadbb5e1a.

Signed-off-by: Shubhankar Milind Sardeshpande 
<[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c |   1 -
 drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c      | 153 +++++-------------
 2 files changed, 36 insertions(+), 118 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index a404d8aa13ee..b5a25ca2e901 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -3488,7 +3488,6 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device 
*adev)
                break;
        case IP_VERSION(6, 3, 1):
        case IP_VERSION(7, 11, 4):
-       case IP_VERSION(7, 11, 5):
                adev->nbio.funcs = &nbif_v6_3_1_funcs;
                adev->nbio.hdp_flush_reg = &nbif_v6_3_1_hdp_flush_reg;
                break;
diff --git a/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c 
b/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c
index 000516b5845a..57b0cf817afb 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c
@@ -57,56 +57,12 @@
 #define regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_nbif_4_10                           
         0x0021
 #define regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_nbif_4_10_BASE_IDX                  
         2
 
-#define regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH_nbio_7_11_5         
         0x8e13
-#define 
regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH_nbio_7_11_5_BASE_IDX         
5
-#define regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW_nbio_7_11_5          
         0x8e14
-#define regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW_nbio_7_11_5_BASE_IDX 
         5
-#define regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL_nbio_7_11_5              
         0x8e15
-#define regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL_nbio_7_11_5_BASE_IDX     
         5
-
-#define regBIF_BX1_REMAP_HDP_MEM_FLUSH_CNTL_nbio_7_11_5                        
         0x012d
-#define regBIF_BX1_REMAP_HDP_MEM_FLUSH_CNTL_nbio_7_11_5_BASE_IDX               
         2
-#define regBIF_BX1_REMAP_HDP_REG_FLUSH_CNTL_nbio_7_11_5                        
         0x012e
-#define regBIF_BX1_REMAP_HDP_REG_FLUSH_CNTL_nbio_7_11_5_BASE_IDX               
         2
-
-#define regRCC_STRAP1_RCC_DEV0_EPF0_STRAP0_nbio_7_11_5                         
         0x0021
-#define regRCC_STRAP1_RCC_DEV0_EPF0_STRAP0_nbio_7_11_5_BASE_IDX                
         2
-
-#define regBIF_BX1_BIF_FB_EN_nbio_7_11_5                                       
         0x0100
-#define regBIF_BX1_BIF_FB_EN_nbio_7_11_5_BASE_IDX                              
         2
-
-#define regBIF_BX1_INTERRUPT_CNTL_nbio_7_11_5                                  
         0x00f1
-#define regBIF_BX1_INTERRUPT_CNTL_nbio_7_11_5_BASE_IDX                         
         2
-#define regBIF_BX1_INTERRUPT_CNTL2_nbio_7_11_5                                 
         0x00f2
-#define regBIF_BX1_INTERRUPT_CNTL2_nbio_7_11_5_BASE_IDX                        
         2
-
-#define regBIF_BX_PF1_GPU_HDP_FLUSH_REQ_nbio_7_11_5                            
         0x0106
-#define regBIF_BX_PF1_GPU_HDP_FLUSH_REQ_nbio_7_11_5_BASE_IDX                   
         2
-#define regBIF_BX_PF1_GPU_HDP_FLUSH_DONE_nbio_7_11_5                           
         0x0107
-#define regBIF_BX_PF1_GPU_HDP_FLUSH_DONE_nbio_7_11_5_BASE_IDX                  
         2
-
-#define regBIF_BX_PF1_HDP_MEM_COHERENCY_FLUSH_CNTL_nbio_7_11_5                 
         0x00f7
-#define regBIF_BX_PF1_HDP_MEM_COHERENCY_FLUSH_CNTL_nbio_7_11_5_BASE_IDX        
         2
-
-//BIF_BX1_BIF_FB_EN
-#define BIF_BX1_BIF_FB_EN__FB_READ_EN__SHIFT_nbio_7_11_5                       
         0x0
-#define BIF_BX1_BIF_FB_EN__FB_WRITE_EN__SHIFT_nbio_7_11_5                      
         0x1
-#define BIF_BX1_BIF_FB_EN__FB_READ_EN_MASK_nbio_7_11_5                         
         0x00000001L
-#define BIF_BX1_BIF_FB_EN__FB_WRITE_EN_MASK_nbio_7_11_5                        
         0x00000002L
-
 static void nbif_v6_3_1_remap_hdp_registers(struct amdgpu_device *adev)
 {
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 5)) {
-               WREG32_SOC15(NBIO, 0, 
regBIF_BX1_REMAP_HDP_MEM_FLUSH_CNTL_nbio_7_11_5,
-                       adev->rmmio_remap.reg_offset + 
KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
-               WREG32_SOC15(NBIO, 0, 
regBIF_BX1_REMAP_HDP_REG_FLUSH_CNTL_nbio_7_11_5,
-                       adev->rmmio_remap.reg_offset + 
KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
-       } else {
-               WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
-                       adev->rmmio_remap.reg_offset + 
KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
-               WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
-                       adev->rmmio_remap.reg_offset + 
KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
-       }
+       WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
+               adev->rmmio_remap.reg_offset + 
KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
+       WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
+               adev->rmmio_remap.reg_offset + 
KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
 }
 
 static u32 nbif_v6_3_1_get_rev_id(struct amdgpu_device *adev)
@@ -115,8 +71,6 @@ static u32 nbif_v6_3_1_get_rev_id(struct amdgpu_device *adev)
 
        if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 4))
                tmp = RREG32_SOC15(NBIO, 0, 
regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_nbif_4_10);
-       else if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 5))
-               tmp = RREG32_SOC15(NBIO, 0, 
regRCC_STRAP1_RCC_DEV0_EPF0_STRAP0_nbio_7_11_5);
        else
                tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0);
 
@@ -128,21 +82,12 @@ static u32 nbif_v6_3_1_get_rev_id(struct amdgpu_device 
*adev)
 
 static void nbif_v6_3_1_mc_access_enable(struct amdgpu_device *adev, bool 
enable)
 {
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 5)) {
-               if (enable)
-                       WREG32_SOC15(NBIO, 0, regBIF_BX1_BIF_FB_EN_nbio_7_11_5,
-                                    
BIF_BX1_BIF_FB_EN__FB_READ_EN_MASK_nbio_7_11_5 |
-                                    
BIF_BX1_BIF_FB_EN__FB_WRITE_EN_MASK_nbio_7_11_5);
-               else
-                       WREG32_SOC15(NBIO, 0, regBIF_BX1_BIF_FB_EN_nbio_7_11_5, 
0);
-       } else {
-               if (enable)
-                       WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN,
-                                    BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK |
-                                    BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK);
-               else
-                       WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 0);
-       }
+       if (enable)
+               WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN,
+                            BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK |
+                            BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK);
+       else
+               WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 0);
 }
 
 static u32 nbif_v6_3_1_get_memsize(struct amdgpu_device *adev)
@@ -155,14 +100,8 @@ static void nbif_v6_3_1_sdma_doorbell_range(struct 
amdgpu_device *adev,
                                            int doorbell_index,
                                            int doorbell_size)
 {
-       u32 doorbell_range;
        if (instance == 0) {
-               if (amdgpu_ip_version(adev, NBIO_HWIP, 0) >= IP_VERSION(7, 11, 
4))
-                       doorbell_range = RREG32_SOC15(NBIO, 0,
-                                       
regGDC_S2A0_S2A_DOORBELL_ENTRY_2_CTRL_nbif_4_10);
-               else
-                       doorbell_range = RREG32_SOC15(NBIO, 0,
-                                       regGDC_S2A0_S2A_DOORBELL_ENTRY_2_CTRL);
+               u32 doorbell_range = RREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_2_CTRL);
 
                if (use_doorbell) {
                        doorbell_range = REG_SET_FIELD(doorbell_range,
@@ -191,10 +130,12 @@ static void nbif_v6_3_1_sdma_doorbell_range(struct 
amdgpu_device *adev,
                                                       
S2A_DOORBELL_PORT2_RANGE_SIZE,
                                                       0);
 
-               if (amdgpu_ip_version(adev, NBIO_HWIP, 0) >= IP_VERSION(7, 11, 
4))
-                       WREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_2_CTRL_nbif_4_10, doorbell_range);
+               if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 
4))
+                       WREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_2_CTRL_nbif_4_10,
+                                    doorbell_range);
                else
-                       WREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_2_CTRL, doorbell_range);
+                       WREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_2_CTRL,
+                                    doorbell_range);
        }
 }
 
@@ -239,15 +180,15 @@ static void nbif_v6_3_1_vcn_doorbell_range(struct 
amdgpu_device *adev,
                                               S2A_DOORBELL_PORT4_RANGE_SIZE,
                                               0);
 
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) >= IP_VERSION(7, 11, 4))
-               WREG32_SOC15(NBIO, 0,
-                               regGDC_S2A0_S2A_DOORBELL_ENTRY_4_CTRL_nbif_4_10,
-                               doorbell_range);
-       else
+       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 4)) {
+               WREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_4_CTRL_nbif_4_10,
+                            doorbell_range);
+       } else {
                if (instance)
                        WREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL, doorbell_range);
                else
                        WREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_4_CTRL, doorbell_range);
+       }
 }
 
 static void nbif_v6_3_1_vpe_doorbell_range(struct amdgpu_device *adev,
@@ -299,7 +240,7 @@ static void nbif_v6_3_1_vpe_doorbell_range(struct 
amdgpu_device *adev,
 
 static void nbif_v6_3_1_gc_doorbell_init(struct amdgpu_device *adev)
 {
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) >= IP_VERSION(7, 11, 4)) {
+       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 4)) {
                WREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_0_CTRL_nbif_4_10, 0x30000007);
                WREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_3_CTRL_nbif_4_10, 0x3000000d);
        } else {
@@ -341,13 +282,7 @@ nbif_v6_3_1_enable_doorbell_selfring_aperture(struct 
amdgpu_device *adev,
 static void nbif_v6_3_1_ih_doorbell_range(struct amdgpu_device *adev,
                                          bool use_doorbell, int doorbell_index)
 {
-       u32 ih_doorbell_range;
-
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) >= IP_VERSION(7, 11, 4))
-               ih_doorbell_range = RREG32_SOC15(NBIO, 0,
-                               
regGDC_S2A0_S2A_DOORBELL_ENTRY_1_CTRL_nbif_4_10);
-       else
-               ih_doorbell_range = RREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_1_CTRL);
+       u32 ih_doorbell_range = RREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_1_CTRL);
 
        if (use_doorbell) {
                ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
@@ -376,11 +311,12 @@ static void nbif_v6_3_1_ih_doorbell_range(struct 
amdgpu_device *adev,
                                                  S2A_DOORBELL_PORT1_RANGE_SIZE,
                                                  0);
 
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) >= IP_VERSION(7, 11, 4))
+       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 4))
                WREG32_SOC15(NBIO, 0, 
regGDC_S2A0_S2A_DOORBELL_ENTRY_1_CTRL_nbif_4_10,
-                               ih_doorbell_range);
+                            ih_doorbell_range);
        else
-               WREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_1_CTRL, 
ih_doorbell_range);
+               WREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_1_CTRL,
+                            ih_doorbell_range);
 }
 
 static void nbif_v6_3_1_ih_control(struct amdgpu_device *adev)
@@ -388,13 +324,9 @@ static void nbif_v6_3_1_ih_control(struct amdgpu_device 
*adev)
        u32 interrupt_cntl;
 
        /* setup interrupt control */
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 5))
-               WREG32_SOC15(NBIO, 0, regBIF_BX1_INTERRUPT_CNTL2_nbio_7_11_5,
-                               adev->dummy_page_addr >> 8);
-       else
-               WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL2, 
adev->dummy_page_addr >> 8);
+       WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL2, adev->dummy_page_addr 
>> 8);
 
-       interrupt_cntl = RREG32_SOC15(NBIO, 0, 
regBIF_BX1_INTERRUPT_CNTL_nbio_7_11_5);
+       interrupt_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL);
        /*
         * BIF_BX0_INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read 
disabled with msi, enabled without msi
         * BIF_BX0_INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read 
controlled by IH_DUMMY_RD_EN
@@ -406,10 +338,7 @@ static void nbif_v6_3_1_ih_control(struct amdgpu_device 
*adev)
        interrupt_cntl = REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL,
                                       IH_REQ_NONSNOOP_EN, 0);
 
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 5))
-               WREG32_SOC15(NBIO, 0, regBIF_BX1_INTERRUPT_CNTL_nbio_7_11_5, 
interrupt_cntl);
-       else
-               WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL, 
interrupt_cntl);
+       WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL, interrupt_cntl);
 }
 
 static void
@@ -432,23 +361,17 @@ nbif_v6_3_1_get_clockgating_state(struct amdgpu_device 
*adev,
 
 static u32 nbif_v6_3_1_get_hdp_flush_req_offset(struct amdgpu_device *adev)
 {
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 5))
-               return SOC15_REG_OFFSET(NBIO, 0, 
regBIF_BX_PF1_GPU_HDP_FLUSH_REQ_nbio_7_11_5);
-       else
-               return SOC15_REG_OFFSET(NBIO, 0, 
regBIF_BX_PF0_GPU_HDP_FLUSH_REQ);
+       return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_REQ);
 }
 
 static u32 nbif_v6_3_1_get_hdp_flush_done_offset(struct amdgpu_device *adev)
 {
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 5))
-               return SOC15_REG_OFFSET(NBIO, 0, 
regBIF_BX_PF1_GPU_HDP_FLUSH_DONE_nbio_7_11_5);
-       else
-               return SOC15_REG_OFFSET(NBIO, 0, 
regBIF_BX_PF0_GPU_HDP_FLUSH_DONE);
+       return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_DONE);
 }
 
 static u32 nbif_v6_3_1_get_pcie_index_offset(struct amdgpu_device *adev)
 {
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) >= IP_VERSION(7, 11, 4))
+       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 4))
                return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX);
        else
                return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_INDEX);
@@ -456,7 +379,7 @@ static u32 nbif_v6_3_1_get_pcie_index_offset(struct 
amdgpu_device *adev)
 
 static u32 nbif_v6_3_1_get_pcie_data_offset(struct amdgpu_device *adev)
 {
-       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) >= IP_VERSION(7, 11, 4))
+       if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 4))
                return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_DATA);
        else
                return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_DATA);
@@ -626,12 +549,8 @@ static void nbif_v6_3_1_set_reg_remap(struct amdgpu_device 
*adev)
                adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
                adev->rmmio_remap.bus_addr = adev->rmmio_base + 
MMIO_REG_HOLE_OFFSET;
        } else {
-               if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 
5))
-                       adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
-                               
regBIF_BX_PF1_HDP_MEM_COHERENCY_FLUSH_CNTL_nbio_7_11_5) << 2;
-               else
-                       adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
-                               regBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 
2;
+               adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
+                       regBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2;
                adev->rmmio_remap.bus_addr = 0;
        }
 }
-- 
2.43.0

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