diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c index ceb5163480f4..1ae88c459da5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c @@ -31,6 +31,7 @@ #define FRU_EEPROM_MADDR_6 0x60000 #define FRU_EEPROM_MADDR_8 0x80000 +#define FRU_EEPROM_MADDR_INV 0xFFFFF static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr) { @@ -63,10 +64,10 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr) switch (adev->asic_type) { case CHIP_VEGA20: /* D161 and D163 are the VG20 server SKUs */ - if (strnstr(atom_ctx->vbios_pn, "D161", - sizeof(atom_ctx->vbios_pn)) || - strnstr(atom_ctx->vbios_pn, "D163", - sizeof(atom_ctx->vbios_pn))) { + if (atom_ctx && (strnstr(atom_ctx->vbios_pn, "D161", + sizeof(atom_ctx->vbios_pn)) || + strnstr(atom_ctx->vbios_pn, "D163", + sizeof(atom_ctx->vbios_pn)))) { if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_6; return true; @@ -78,8 +79,8 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr) return false; } case IP_VERSION(11, 0, 7): - if (strnstr(atom_ctx->vbios_pn, "D603", - sizeof(atom_ctx->vbios_pn))) { + if (atom_ctx && strnstr(atom_ctx->vbios_pn, "D603", + sizeof(atom_ctx->vbios_pn))) { if (strnstr(atom_ctx->vbios_pn, "D603GLXE", sizeof(atom_ctx->vbios_pn))) { return false; @@ -94,8 +95,8 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr) } case IP_VERSION(13, 0, 2): /* All Aldebaran SKUs have an FRU */ - if (!strnstr(atom_ctx->vbios_pn, "D673", - sizeof(atom_ctx->vbios_pn))) + if (atom_ctx && !strnstr(atom_ctx->vbios_pn, "D673", + sizeof(atom_ctx->vbios_pn))) if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_6; return true; @@ -104,6 +105,10 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr) if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_8; return true; + case IP_VERSION(13, 0, 12): + if (fru_addr) + *fru_addr = FRU_EEPROM_MADDR_INV; + return true; default: return false; } @@ -120,6 +125,10 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev) if (!is_fru_eeprom_supported(adev, &fru_addr)) return 0; + /* FRU data avaialble, but no direct EEPROM access */ + if (fru_addr == FRU_EEPROM_MADDR_INV) + return 0; + if (!adev->fru_info) { adev->fru_info = kzalloc(sizeof(*adev->fru_info), GFP_KERNEL); if (!adev->fru_info) @@ -384,7 +393,7 @@ int amdgpu_fru_sysfs_init(struct amdgpu_device *adev) void amdgpu_fru_sysfs_fini(struct amdgpu_device *adev) { - if (!is_fru_eeprom_supported(adev, NULL) || !adev->fru_info) + if (!adev->fru_info) return; sysfs_remove_files(&adev->dev->kobj, amdgpu_fru_attributes); |