drm/amdkfd: Report SDMA firmware version in the topology

Also save the version in struct kfd_dev so we only need to query
it once.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_device.c

@@ -405,6 +405,10 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
 {
 	unsigned int size;
 
+	kfd->mec_fw_version = kfd->kfd2kgd->get_fw_version(kfd->kgd,
+			KGD_ENGINE_MEC1);
+	kfd->sdma_fw_version = kfd->kfd2kgd->get_fw_version(kfd->kgd,
+			KGD_ENGINE_SDMA1);
 	kfd->shared_resources = *gpu_resources;
 
 	kfd->vm_info.first_vmid_kfd = ffs(gpu_resources->compute_vmid_bitmap)-1;

drivers/gpu/drm/amd/amdkfd/kfd_priv.h

@@ -247,6 +247,10 @@ struct kfd_dev {
 	/* Debug manager */
 	struct kfd_dbgmgr           *dbgmgr;
 
+	/* Firmware versions */
+	uint16_t mec_fw_version;
+	uint16_t sdma_fw_version;
+
 	/* Maximum process number mapped to HW scheduler */
 	unsigned int max_proc_per_quantum;
 

drivers/gpu/drm/amd/amdkfd/kfd_topology.c

@@ -482,11 +482,11 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
 				(unsigned long long int) 0);
 
 		sysfs_show_32bit_prop(buffer, "fw_version",
-			dev->gpu->kfd2kgd->get_fw_version(
-						dev->gpu->kgd,
-						KGD_ENGINE_MEC1));
+				dev->gpu->mec_fw_version);
 		sysfs_show_32bit_prop(buffer, "capability",
 				dev->node_props.capability);
+		sysfs_show_32bit_prop(buffer, "sdma_fw_version",
+				dev->gpu->sdma_fw_version);
 	}
 
 	return sysfs_show_32bit_prop(buffer, "max_engine_clk_ccompute",