drm/amdgpu: use register distance member instead of hardcode in gfxhub v2

This patch updates to use register distance member instead of hardcode
in gfxhub 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>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
index e4340b2..394e6f5 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
@@ -49,15 +49,15 @@ u64 gfxhub_v2_0_get_mc_fb_offset(struct amdgpu_device *adev)
 void gfxhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
                                uint64_t page_table_base)
 {
-       /* two registers distance between mmGCVM_CONTEXT0_* to mmGCVM_CONTEXT1_* */
-       int offset = mmGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32
-                       - mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
+       struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
 
        WREG32_SOC15_OFFSET(GC, 0, mmGCVM_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(GC, 0, mmGCVM_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 gfxhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev)
@@ -218,6 +218,7 @@ static void gfxhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev)
 
 static void gfxhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
 {
+       struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
        int i;
        uint32_t tmp;
 
@@ -247,25 +248,31 @@ static void gfxhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
                tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
                                    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
                                    !amdgpu_noretry);
-               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i, tmp);
-               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0);
-               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0);
-               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,  i*2,
-                       lower_32_bits(adev->vm_manager.max_pfn - 1));
-               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2,
-                       upper_32_bits(adev->vm_manager.max_pfn - 1));
+               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL,
+                                   i * hub->ctx_distance, tmp);
+               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
+                                   i * hub->ctx_addr_distance, 0);
+               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
+                                   i * hub->ctx_addr_distance, 0);
+               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
+                                   i * hub->ctx_addr_distance,
+                                   lower_32_bits(adev->vm_manager.max_pfn - 1));
+               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
+                                   i * hub->ctx_addr_distance,
+                                   upper_32_bits(adev->vm_manager.max_pfn - 1));
        }
 }
 
 static void gfxhub_v2_0_program_invalidation(struct amdgpu_device *adev)
 {
+       struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
        unsigned i;
 
        for (i = 0 ; i < 18; ++i) {
                WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
-                                   2 * i, 0xffffffff);
+                                   i * hub->eng_addr_distance, 0xffffffff);
                WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
-                                   2 * i, 0x1f);
+                                   i * hub->eng_addr_distance, 0x1f);
        }
 }
 
@@ -287,12 +294,14 @@ int gfxhub_v2_0_gart_enable(struct amdgpu_device *adev)
 
 void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev)
 {
+       struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
        u32 tmp;
        u32 i;
 
        /* Disable all tables */
        for (i = 0; i < 16; i++)
-               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL, i, 0);
+               WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL,
+                                   i * hub->ctx_distance, 0);
 
        /* Setup TLB control */
        tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL);