From 76b1f8b32dc1ad8bb5f6fe2faa669e2858d35932 Mon Sep 17 00:00:00 2001 From: Candice Li Date: Tue, 11 Feb 2025 09:58:24 +0800 Subject: drm/amdgpu: Optimize the enablement of GECC Enable GECC only when the default memory ECC mode or the module parameter amdgpu_ras_enable is activated. v2: Add kernel message to remind users explicitly set amdgpu_ras_enable=1 before driver loading to enable GECC and set amdgpu_ras_enable=0 to disable GECC when GECC is currently enabled if needed. Signed-off-by: Candice Li Reviewed-by: Hawking Zhang Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index f873dd3cae16..eb015bdda8a7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c @@ -549,9 +549,10 @@ bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev) u16 data_offset, size; union umc_info *umc_info; u8 frev, crev; - bool ecc_default_enabled = false; + bool mem_ecc_enabled = false; u8 umc_config; u32 umc_config1; + adev->ras_default_ecc_enabled = false; index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, umc_info); @@ -563,20 +564,22 @@ bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev) switch (crev) { case 1: umc_config = le32_to_cpu(umc_info->v31.umc_config); - ecc_default_enabled = + mem_ecc_enabled = (umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false; break; case 2: umc_config = le32_to_cpu(umc_info->v32.umc_config); - ecc_default_enabled = + mem_ecc_enabled = (umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false; break; case 3: umc_config = le32_to_cpu(umc_info->v33.umc_config); umc_config1 = le32_to_cpu(umc_info->v33.umc_config1); - ecc_default_enabled = + mem_ecc_enabled = ((umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) || (umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE)) ? true : false; + adev->ras_default_ecc_enabled = + (umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false; break; default: /* unsupported crev */ @@ -585,9 +588,12 @@ bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev) } else if (frev == 4) { switch (crev) { case 0: + umc_config = le32_to_cpu(umc_info->v40.umc_config); umc_config1 = le32_to_cpu(umc_info->v40.umc_config1); - ecc_default_enabled = + mem_ecc_enabled = (umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE) ? true : false; + adev->ras_default_ecc_enabled = + (umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false; break; default: /* unsupported crev */ @@ -599,7 +605,7 @@ bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev) } } - return ecc_default_enabled; + return mem_ecc_enabled; } /* -- cgit