diff options
| author | Huang Rui <ray.huang@amd.com> | 2017-05-31 18:07:48 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-06-06 16:58:03 -0400 |
| commit | 41f6f3111115e6a3d8280d04134d11e75b5c19d0 (patch) | |
| tree | 466da8519865c3d3e42e067242bb11d285d1909c /drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | |
| parent | 342698393981e2c9d990c62cb613524e68668378 (diff) | |
drm/amdgpu: abstract cache initialization for gfxhub/mmhub
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 88 |
1 files changed, 31 insertions, 57 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c index 3e25563ab30d..0cb651b20c49 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -146,6 +146,36 @@ static void mmhub_v1_0_init_tlb_regs(struct amdgpu_device *adev) WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp); } +static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev) +{ + uint32_t tmp; + + /* Setup L2 cache */ + tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL)); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); + /* XXX for emulation, Refer to closed source code.*/ + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, + 0); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL), tmp); + + tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2)); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2), tmp); + + tmp = mmVM_L2_CNTL3_DEFAULT; + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL3), tmp); + + tmp = mmVM_L2_CNTL4_DEFAULT; + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4), tmp); +} + int mmhub_v1_0_gart_enable(struct amdgpu_device *adev) { u32 tmp; @@ -165,63 +195,7 @@ int mmhub_v1_0_gart_enable(struct amdgpu_device *adev) mmhub_v1_0_init_gart_aperture_regs(adev); mmhub_v1_0_init_system_aperture_regs(adev); mmhub_v1_0_init_tlb_regs(adev); - - /* Setup TLB control */ - tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL)); - - tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); - tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); - tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, - ENABLE_ADVANCED_DRIVER_MODEL, 1); - tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, - SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); - tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); - tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, - MTYPE, MTYPE_UC);/* XXX for emulation. */ - tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1); - - WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp); - - /* Setup L2 cache */ - tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL)); - tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); - tmp = REG_SET_FIELD(tmp, - VM_L2_CNTL, - ENABLE_L2_FRAGMENT_PROCESSING, - 0); - tmp = REG_SET_FIELD(tmp, - VM_L2_CNTL, - L2_PDE0_CACHE_TAG_GENERATION_MODE, - 0);/* XXX for emulation, Refer to closed source code.*/ - tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1); - tmp = REG_SET_FIELD(tmp, - VM_L2_CNTL, - CONTEXT1_IDENTITY_ACCESS_MODE, - 1); - tmp = REG_SET_FIELD(tmp, - VM_L2_CNTL, - IDENTITY_MODE_FRAGMENT_SIZE, - 0); - WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL), tmp); - - tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2)); - tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); - tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); - WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2), tmp); - - tmp = mmVM_L2_CNTL3_DEFAULT; - WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL3), tmp); - - tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4)); - tmp = REG_SET_FIELD(tmp, - VM_L2_CNTL4, - VMC_TAP_PDE_REQUEST_PHYSICAL, - 0); - tmp = REG_SET_FIELD(tmp, - VM_L2_CNTL4, - VMC_TAP_PTE_REQUEST_PHYSICAL, - 0); - WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4), tmp); + mmhub_v1_0_init_cache_regs(adev); addr = SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL); tmp = RREG32(addr); |