[PATCH] drm/amdgpu: Re-enable FRU check for most models v3

[Kent Russell]

There are 2 VG20 SKUs that do not have the FRU on there, and trying to read
that will cause a hang. For now, check for the gaming SKU until a proper
fix can be implemented. This re-enables serial number reporting for
server cards

v2: Add ASIC check
v3: Don't default to true for pre-VG10

Signed-off-by: Kent Russell <kent.russell at amd.com>
---
 .../gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c    | 22 +++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
index bfe4259f9508..508906177cad 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
@@ -31,9 +31,27 @@
 
 bool is_fru_eeprom_supported(struct amdgpu_device *adev)
 {
-	/* TODO: Resolve supported ASIC type */
+	struct atom_context *atom_ctx = adev->mode_info.atom_context;
 
-	return false;
+	if (!atom_ctx)
+		return false;
+
+	/* TODO: Gaming SKUs don't have the FRU EEPROM.
+	 * Use this to address hangs on modprobe on gaming SKUs
+	 * until a proper solution can be implemented
+	 */
+	switch (adev->asic_type) {
+	case CHIP_VEGA20:
+		if (strnstr(atom_ctx->vbios_version, "D360",
+				sizeof(atom_ctx->vbios_version)))
+			return false;
+		return true;
+	case CHIP_ARCTURUS:
+		/* There are no gaming Arcturus SKUs */
+		return true;
+	default:
+		return false;
+	}
 }
 
 int amdgpu_fru_read_eeprom(struct amdgpu_device *adev, uint32_t addrptr,
-- 
2.17.1