diff options
| author | Trigger Huang <Trigger.Huang@amd.com> | 2019-03-04 05:30:58 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-24 19:20:51 +0200 |
| commit | 98cad2deaf557d63f2c84fae30afefd0e84840e9 (patch) | |
| tree | e97c2b58b359611f86e53a82630d1e97d9f86cc4 /drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | |
| parent | drm/amdgpu: Support PSP VMR ring for Vega10 VF (diff) | |
| download | linux-98cad2deaf557d63f2c84fae30afefd0e84840e9.tar.xz linux-98cad2deaf557d63f2c84fae30afefd0e84840e9.zip | |
drm/amdgpu: Skip setting some regs under Vega10 VF
For Vega10 SR-IOV VF, skip setting some regs due to:
1, host will program them
2, avoid VF register programming violations
Signed-off-by: Trigger Huang <Trigger.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@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 | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c index 41a9a5779623..05d1d448c8f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -111,6 +111,9 @@ static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev) WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18); + if (amdgpu_virt_support_skip_setting(adev)) + return; + /* Set default page address. */ value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start + adev->vm_manager.vram_base_offset; @@ -156,6 +159,9 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev) { uint32_t tmp; + if (amdgpu_virt_support_skip_setting(adev)) + return; + /* Setup L2 cache */ tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); @@ -202,6 +208,9 @@ static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev) static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev) { + if (amdgpu_virt_support_skip_setting(adev)) + return; + WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 0XFFFFFFFF); WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, @@ -338,11 +347,13 @@ void mmhub_v1_0_gart_disable(struct amdgpu_device *adev) 0); WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp); - /* Setup L2 cache */ - tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL); - tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); - WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp); - WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, 0); + if (!amdgpu_virt_support_skip_setting(adev)) { + /* Setup L2 cache */ + tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); + WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp); + WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, 0); + } } /** @@ -354,6 +365,10 @@ void mmhub_v1_0_gart_disable(struct amdgpu_device *adev) void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value) { u32 tmp; + + if (amdgpu_virt_support_skip_setting(adev)) + return; + tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); |