drm/amd: Use `amdgpu_ucode_request` helper for SDMA

The `amdgpu_ucode_request` helper will ensure that the return code for
missing firmware is -ENODEV so that early_init can fail.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c

@@ -154,16 +154,11 @@ int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
 
 static int amdgpu_sdma_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst)
 {
-	int err = 0;
 	uint16_t version_major;
 	const struct common_firmware_header *header = NULL;
 	const struct sdma_firmware_header_v1_0 *hdr;
 	const struct sdma_firmware_header_v2_0 *hdr_v2;
 
-	err = amdgpu_ucode_validate(sdma_inst->fw);
-	if (err)
-		return err;
-
 	header = (const struct common_firmware_header *)
 		sdma_inst->fw->data;
 	version_major = le16_to_cpu(header->header_version_major);
@@ -195,7 +190,7 @@ void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
 	int i;
 
 	for (i = 0; i < adev->sdma.num_instances; i++) {
-		release_firmware(adev->sdma.instance[i].fw);
+		amdgpu_ucode_release(&adev->sdma.instance[i].fw);
 		if (duplicate)
 			break;
 	}
@@ -214,7 +209,7 @@ int amdgpu_sdma_init_microcode(struct amdgpu_device *adev,
 	const struct sdma_firmware_header_v2_0 *sdma_hdr;
 	uint16_t version_major;
 
-	err = request_firmware(&adev->sdma.instance[instance].fw, fw_name, adev->dev);
+	err = amdgpu_ucode_request(adev, &adev->sdma.instance[instance].fw, fw_name);
 	if (err)
 		goto out;