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drm/amdgpu: Support query ecc cap for aqua_vanjaram

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Driver queries umc_info v4_0 to identify ecc cap
for aqua_vanjaram

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Candice Li <candice.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang
2023-08-23 17:43:46 +08:00
committed by Alex Deucher
parent 48d02dcba1
commit e0c5c387ac
1 changed files with 16 additions and 2 deletions
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18
drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
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@@ -217,6 +217,7 @@ union umc_info {
struct atom_umc_info_v3_1 v31;
struct atom_umc_info_v3_2 v32;
struct atom_umc_info_v3_3 v33;
struct atom_umc_info_v4_0 v40;
};
union vram_info {
@@ -508,9 +509,8 @@ bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev)
if (amdgpu_atom_parse_data_header(mode_info->atom_context,
index, &size, &frev, &crev, &data_offset)) {
umc_info = (union umc_info *)(mode_info->atom_context->bios + data_offset);
if (frev == 3) {
umc_info = (union umc_info *)
(mode_info->atom_context->bios + data_offset);
switch (crev) {
case 1:
umc_config = le32_to_cpu(umc_info->v31.umc_config);
@@ -533,6 +533,20 @@ bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev)
/* unsupported crev */
return false;
}
} else if (frev == 4) {
switch (crev) {
case 0:
umc_config1 = le32_to_cpu(umc_info->v40.umc_config1);
ecc_default_enabled =
(umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE) ? true : false;
break;
default:
/* unsupported crev */
return false;
}
} else {
/* unsupported frev */
return false;
}
}