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drm/amdgpu: Add flag to make VBIOS read optional

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Certain SOCs may not need much data from VBIOS. Some data like VBIOS
version used will be missed but it doesn't affect functionality. Add a
flag to make VBIOS image optional.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2025-02-05 14:06:58 +05:30
committed by Alex Deucher
parent 7e0aa70681
commit 6e8ca38ebc
3 changed files with 58 additions and 29 deletions
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16
drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
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@@ -63,10 +63,10 @@ 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 +78,8 @@ 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 +94,8 @@ 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;