From ef982bfb1ebf9c6317647207dded5ddf081b5caa Mon Sep 17 00:00:00 2001 From: Trigger Huang Date: Mon, 4 Mar 2019 12:30:58 +0800 Subject: [PATCH 1923/2940] 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 Reviewed-by: Alex Deucher Signed-off-by: Chaudhary Amit Kumar --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 14 ++++++++------ drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 +++ drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 25 ++++++++++++++++++++----- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 14 ++++++++------ drivers/gpu/drm/amd/amdgpu/soc15.c | 16 +++++++++++----- 5 files changed, 50 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 382c8d3c82da..2a19dd24b82c 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -308,12 +308,14 @@ static void gfx_v9_0_init_golden_registers(struct amdgpu_device *adev) { switch (adev->asic_type) { case CHIP_VEGA10: - soc15_program_register_sequence(adev, - golden_settings_gc_9_0, - ARRAY_SIZE(golden_settings_gc_9_0)); - soc15_program_register_sequence(adev, - golden_settings_gc_9_0_vg10, - ARRAY_SIZE(golden_settings_gc_9_0_vg10)); + if (!amdgpu_virt_support_skip_setting(adev)) { + soc15_program_register_sequence(adev, + golden_settings_gc_9_0, + ARRAY_SIZE(golden_settings_gc_9_0)); + soc15_program_register_sequence(adev, + golden_settings_gc_9_0_vg10, + ARRAY_SIZE(golden_settings_gc_9_0_vg10)); + } break; case CHIP_VEGA12: soc15_program_register_sequence(adev, diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 0dd8fac10515..69c8de9f8b58 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1093,6 +1093,9 @@ static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev) switch (adev->asic_type) { case CHIP_VEGA10: + if (amdgpu_virt_support_skip_setting(adev)) + break; + /* fall through */ case CHIP_VEGA20: soc15_program_register_sequence(adev, golden_settings_mmhub_1_0_0, diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c index 95cffc8fddb4..a91a7a29a8cb 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -106,6 +106,9 @@ 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; @@ -151,6 +154,9 @@ 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); @@ -197,6 +203,9 @@ 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, @@ -333,11 +342,13 @@ 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); + } } /** @@ -349,6 +360,10 @@ 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); diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index c139e8db8d95..9daaa12fdb3e 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -210,12 +210,14 @@ static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev) { switch (adev->asic_type) { case CHIP_VEGA10: - soc15_program_register_sequence(adev, - golden_settings_sdma_4, - ARRAY_SIZE(golden_settings_sdma_4)); - soc15_program_register_sequence(adev, - golden_settings_sdma_vg10, - ARRAY_SIZE(golden_settings_sdma_vg10)); + if (!amdgpu_virt_support_skip_setting(adev)) { + soc15_program_register_sequence(adev, + golden_settings_sdma_4, + ARRAY_SIZE(golden_settings_sdma_4)); + soc15_program_register_sequence(adev, + golden_settings_sdma_vg10, + ARRAY_SIZE(golden_settings_sdma_vg10)); + } break; case CHIP_VEGA12: soc15_program_register_sequence(adev, diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 43b64d2237cf..1f7a56e01ff9 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -1023,11 +1023,17 @@ static void soc15_doorbell_range_init(struct amdgpu_device *adev) int i; struct amdgpu_ring *ring; - for (i = 0; i < adev->sdma.num_instances; i++) { - ring = &adev->sdma.instance[i].ring; - adev->nbio_funcs->sdma_doorbell_range(adev, i, - ring->use_doorbell, ring->doorbell_index, - adev->doorbell_index.sdma_doorbell_range); + /* Two reasons to skip + * 1, Host driver already programmed them + * 2, To avoid registers program violations in SR-IOV + */ + if (!amdgpu_virt_support_skip_setting(adev)) { + for (i = 0; i < adev->sdma.num_instances; i++) { + ring = &adev->sdma.instance[i].ring; + adev->nbio_funcs->sdma_doorbell_range(adev, i, + ring->use_doorbell, ring->doorbell_index, + adev->doorbell_index.sdma_doorbell_range); + } } adev->nbio_funcs->ih_doorbell_range(adev, adev->irq.ih.use_doorbell, -- 2.17.1