From bf16235b39d4ca9c8dd47ec1b2faded6ea58f7a2 Mon Sep 17 00:00:00 2001 From: Tao Zhou Date: Thu, 2 Feb 2023 17:20:23 +0800 Subject: [PATCH] drm/amdgpu: add RAS status query for gfx_v9_4_3 Query GFX RAS status. v2: remove xcp operation. v3: change instance from 0 to xcc_id for register access. Signed-off-by: Tao Zhou Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 75 +++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c index 6cde054..f178e3f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c @@ -2980,6 +2980,81 @@ static void gfx_v9_4_3_emit_wave_limit(struct amdgpu_ring *ring, bool enable) } } +static const struct soc15_reg_entry gfx_v9_4_3_ea_err_status_regs = { + SOC15_REG_ENTRY(GC, 0, regGCEA_ERR_STATUS), 0, 1, 16 +}; + +static void gfx_v9_4_3_inst_query_ea_err_status(struct amdgpu_device *adev, + int xcc_id) +{ + uint32_t i, j; + uint32_t reg_value; + + mutex_lock(&adev->grbm_idx_mutex); + + for (i = 0; i < gfx_v9_4_3_ea_err_status_regs.se_num; i++) { + for (j = 0; j < gfx_v9_4_3_ea_err_status_regs.instance; j++) { + gfx_v9_4_3_xcc_select_se_sh(adev, i, 0, j, xcc_id); + reg_value = RREG32_SOC15(GC, GET_INST(GC, xcc_id), + regGCEA_ERR_STATUS); + if (REG_GET_FIELD(reg_value, GCEA_ERR_STATUS, SDP_RDRSP_STATUS) || + REG_GET_FIELD(reg_value, GCEA_ERR_STATUS, SDP_WRRSP_STATUS) || + REG_GET_FIELD(reg_value, GCEA_ERR_STATUS, SDP_RDRSP_DATAPARITY_ERROR)) { + dev_warn(adev->dev, + "GCEA err detected at instance: %d, status: 0x%x!\n", + j, reg_value); + } + /* clear after read */ + reg_value = REG_SET_FIELD(reg_value, GCEA_ERR_STATUS, + CLEAR_ERROR_STATUS, 0x1); + WREG32_SOC15(GC, GET_INST(GC, xcc_id), regGCEA_ERR_STATUS, + reg_value); + } + } + + gfx_v9_4_3_xcc_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff, + xcc_id); + mutex_unlock(&adev->grbm_idx_mutex); +} + +static void gfx_v9_4_3_inst_query_utc_err_status(struct amdgpu_device *adev, + int xcc_id) +{ + uint32_t data; + + data = RREG32_SOC15(GC, GET_INST(GC, xcc_id), regUTCL2_MEM_ECC_STATUS); + if (data) { + dev_warn(adev->dev, "GFX UTCL2 Mem Ecc Status: 0x%x!\n", data); + WREG32_SOC15(GC, GET_INST(GC, xcc_id), regUTCL2_MEM_ECC_STATUS, 0x3); + } + + data = RREG32_SOC15(GC, GET_INST(GC, xcc_id), regVML2_MEM_ECC_STATUS); + if (data) { + dev_warn(adev->dev, "GFX VML2 Mem Ecc Status: 0x%x!\n", data); + WREG32_SOC15(GC, GET_INST(GC, xcc_id), regVML2_MEM_ECC_STATUS, 0x3); + } + + data = RREG32_SOC15(GC, GET_INST(GC, xcc_id), + regVML2_WALKER_MEM_ECC_STATUS); + if (data) { + dev_warn(adev->dev, "GFX VML2 Walker Mem Ecc Status: 0x%x!\n", data); + WREG32_SOC15(GC, GET_INST(GC, xcc_id), regVML2_WALKER_MEM_ECC_STATUS, + 0x3); + } +} + +static void gfx_v9_4_3_inst_query_ras_err_status(struct amdgpu_device *adev, + void *ras_error_status, int xcc_id) +{ + gfx_v9_4_3_inst_query_ea_err_status(adev, xcc_id); + gfx_v9_4_3_inst_query_utc_err_status(adev, xcc_id); +} + +static void gfx_v9_4_3_query_ras_error_status(struct amdgpu_device *adev) +{ + amdgpu_gfx_ras_error_func(adev, NULL, gfx_v9_4_3_inst_query_ras_err_status); +} + static const struct amd_ip_funcs gfx_v9_4_3_ip_funcs = { .name = "gfx_v9_4_3", .early_init = gfx_v9_4_3_early_init, -- 2.7.4