diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 7bc9e9fcf3d2..1bcc4e74e3b4 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -93,6 +93,12 @@ static const u32 cz_mgcg_cgcg_init[] = mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 }; +static const u32 stoney_mgcg_cgcg_init[] = +{ + mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 +}; + + static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev) { switch (adev->asic_type) { @@ -125,6 +131,11 @@ static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev) cz_mgcg_cgcg_init, (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init)); break; + case CHIP_STONEY: + amdgpu_program_register_sequence(adev, + stoney_mgcg_cgcg_init, + (const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init)); + break; default: break; } @@ -228,6 +239,7 @@ static int gmc_v8_0_init_microcode(struct amdgpu_device *adev) chip_name = "fiji"; break; case CHIP_CARRIZO: + case CHIP_STONEY: return 0; default: BUG(); } @@ -550,6 +562,35 @@ static int gmc_v8_0_gart_set_pte_pde(struct amdgpu_device *adev, } /** + * gmc_v8_0_set_fault_enable_default - update VM fault handling + * + * @adev: amdgpu_device pointer + * @value: true redirects VM faults to the default page + */ +static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev, + bool value) +{ + u32 tmp; + + tmp = RREG32(mmVM_CONTEXT1_CNTL); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); + WREG32(mmVM_CONTEXT1_CNTL, tmp); +} + +/** * gmc_v8_0_gart_enable - gart enable * * @adev: amdgpu_device pointer @@ -663,6 +704,10 @@ static int gmc_v8_0_gart_enable(struct amdgpu_device *adev) tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE, amdgpu_vm_block_size - 9); WREG32(mmVM_CONTEXT1_CNTL, tmp); + if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) + gmc_v8_0_set_fault_enable_default(adev, false); + else + gmc_v8_0_set_fault_enable_default(adev, true); gmc_v8_0_gart_flush_gpu_tlb(adev, 0); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", @@ -939,7 +984,7 @@ static int gmc_v8_0_sw_fini(void *handle) if (adev->vm_manager.enabled) { for (i = 0; i < AMDGPU_NUM_VM; ++i) - amdgpu_fence_unref(&adev->vm_manager.active[i]); + fence_put(adev->vm_manager.active[i]); gmc_v8_0_vm_fini(adev); adev->vm_manager.enabled = false; } @@ -991,7 +1036,7 @@ static int gmc_v8_0_suspend(void *handle) if (adev->vm_manager.enabled) { for (i = 0; i < AMDGPU_NUM_VM; ++i) - amdgpu_fence_unref(&adev->vm_manager.active[i]); + fence_put(adev->vm_manager.active[i]); gmc_v8_0_vm_fini(adev); adev->vm_manager.enabled = false; } @@ -1268,6 +1313,9 @@ static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev, if (!addr && !status) return 0; + if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) + gmc_v8_0_set_fault_enable_default(adev, false); + dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", entry->src_id, entry->src_data); dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", |