diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c index 712e1fba33ce..5a33140f5723 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c @@ -169,6 +169,10 @@ static int vcn_v4_0_3_sw_init(struct amdgpu_ip_block *ip_block) if (r) return r; + /* VCN POISON TRAP */ + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, + VCN_4_0__SRCID_UVD_POISON, &adev->vcn.inst->ras_poison_irq); + for (i = 0; i < adev->vcn.num_vcn_inst; i++) { r = amdgpu_vcn_sw_init(adev, i); @@ -387,6 +391,9 @@ static int vcn_v4_0_3_hw_fini(struct amdgpu_ip_block *ip_block) vinst->set_pg_state(vinst, AMD_PG_STATE_GATE); } + if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__VCN)) + amdgpu_irq_put(adev, &adev->vcn.inst->ras_poison_irq, 0); + return 0; } @@ -970,6 +977,11 @@ static int vcn_v4_0_3_start_dpg_mode(struct amdgpu_vcn_inst *vinst, /*resetting done, fw can check RB ring */ fw_shared->sq.queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET); + /* Keeping one read-back to ensure all register writes are done, + * otherwise it may introduce race conditions. + */ + RREG32_SOC15(VCN, vcn_inst, regUVD_STATUS); + return 0; } @@ -1363,6 +1375,12 @@ static int vcn_v4_0_3_stop_dpg_mode(struct amdgpu_vcn_inst *vinst) /* disable dynamic power gating mode */ WREG32_P(SOC15_REG_OFFSET(VCN, vcn_inst, regUVD_POWER_STATUS), 0, ~UVD_POWER_STATUS__UVD_PG_MODE_MASK); + + /* Keeping one read-back to ensure all register writes are done, + * otherwise it may introduce race conditions. + */ + RREG32_SOC15(VCN, vcn_inst, regUVD_STATUS); + return 0; } @@ -1446,6 +1464,11 @@ static int vcn_v4_0_3_stop(struct amdgpu_vcn_inst *vinst) /* apply HW clock gating */ vcn_v4_0_3_enable_clock_gating(vinst); + /* Keeping one read-back to ensure all register writes are done, + * otherwise it may introduce race conditions. + */ + RREG32_SOC15(VCN, vcn_inst, regUVD_STATUS); + Done: return 0; } @@ -1814,11 +1837,24 @@ static int vcn_v4_0_3_process_interrupt(struct amdgpu_device *adev, return 0; } +static int vcn_v4_0_3_set_ras_interrupt_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned int type, + enum amdgpu_interrupt_state state) +{ + return 0; +} + static const struct amdgpu_irq_src_funcs vcn_v4_0_3_irq_funcs = { .set = vcn_v4_0_3_set_interrupt_state, .process = vcn_v4_0_3_process_interrupt, }; +static const struct amdgpu_irq_src_funcs vcn_v4_0_3_ras_irq_funcs = { + .set = vcn_v4_0_3_set_ras_interrupt_state, + .process = amdgpu_vcn_process_poison_irq, +}; + /** * vcn_v4_0_3_set_irq_funcs - set VCN block interrupt irq functions * @@ -1834,6 +1870,9 @@ static void vcn_v4_0_3_set_irq_funcs(struct amdgpu_device *adev) adev->vcn.inst->irq.num_types++; } adev->vcn.inst->irq.funcs = &vcn_v4_0_3_irq_funcs; + + adev->vcn.inst->ras_poison_irq.num_types = 1; + adev->vcn.inst->ras_poison_irq.funcs = &vcn_v4_0_3_ras_irq_funcs; } static void vcn_v4_0_3_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm_printer *p) @@ -1981,9 +2020,44 @@ static void vcn_v4_0_3_reset_ras_error_count(struct amdgpu_device *adev) vcn_v4_0_3_inst_reset_ras_error_count(adev, i); } +static uint32_t vcn_v4_0_3_query_poison_by_instance(struct amdgpu_device *adev, + uint32_t instance, uint32_t sub_block) +{ + uint32_t poison_stat = 0, reg_value = 0; + + switch (sub_block) { + case AMDGPU_VCN_V4_0_3_VCPU_VCODEC: + reg_value = RREG32_SOC15(VCN, instance, regUVD_RAS_VCPU_VCODEC_STATUS); + poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_VCPU_VCODEC_STATUS, POISONED_PF); + break; + default: + break; + } + + if (poison_stat) + dev_info(adev->dev, "Poison detected in VCN%d, sub_block%d\n", + instance, sub_block); + + return poison_stat; +} + +static bool vcn_v4_0_3_query_poison_status(struct amdgpu_device *adev) +{ + uint32_t inst, sub; + uint32_t poison_stat = 0; + + for (inst = 0; inst < adev->vcn.num_vcn_inst; inst++) + for (sub = 0; sub < AMDGPU_VCN_V4_0_3_MAX_SUB_BLOCK; sub++) + poison_stat += + vcn_v4_0_3_query_poison_by_instance(adev, inst, sub); + + return !!poison_stat; +} + static const struct amdgpu_ras_block_hw_ops vcn_v4_0_3_ras_hw_ops = { .query_ras_error_count = vcn_v4_0_3_query_ras_error_count, .reset_ras_error_count = vcn_v4_0_3_reset_ras_error_count, + .query_poison_status = vcn_v4_0_3_query_poison_status, }; static int vcn_v4_0_3_aca_bank_parser(struct aca_handle *handle, struct aca_bank *bank, @@ -2059,6 +2133,13 @@ static int vcn_v4_0_3_ras_late_init(struct amdgpu_device *adev, struct ras_commo if (r) return r; + if (amdgpu_ras_is_supported(adev, ras_block->block) && + adev->vcn.inst->ras_poison_irq.funcs) { + r = amdgpu_irq_get(adev, &adev->vcn.inst->ras_poison_irq, 0); + if (r) + goto late_fini; + } + r = amdgpu_ras_bind_aca(adev, AMDGPU_RAS_BLOCK__VCN, &vcn_v4_0_3_aca_info, NULL); if (r) |