drm/amdgpu: refine pmfw/smu firmware loading

refine pmfw/smu firmware loading
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c

@@ -7648,7 +7648,6 @@ static int si_dpm_late_init(void *handle)
 static int si_dpm_init_microcode(struct amdgpu_device *adev)
 {
 	const char *chip_name;
-	char fw_name[30];
 	int err;
 
 	DRM_DEBUG("\n");
@@ -7708,11 +7707,10 @@ static int si_dpm_init_microcode(struct amdgpu_device *adev)
 	default: BUG();
 	}
 
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_smc.bin", chip_name);
-	err = amdgpu_ucode_request(adev, &adev->pm.fw, fw_name);
+	err = amdgpu_ucode_request(adev, &adev->pm.fw, "amdgpu/%s_smc.bin", chip_name);
 	if (err) {
-		DRM_ERROR("si_smc: Failed to load firmware. err = %d\"%s\"\n",
-			  err, fw_name);
+		DRM_ERROR("si_smc: Failed to load firmware. err = %d\"%s_smc.bin\"\n",
+			  err, chip_name);
 		amdgpu_ucode_release(&adev->pm.fw);
 	}
 	return err;

drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c

@@ -94,7 +94,6 @@ int smu_v11_0_init_microcode(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
 	char ucode_prefix[25];
-	char fw_name[SMU_FW_NAME_LEN];
 	int err = 0;
 	const struct smc_firmware_header_v1_0 *hdr;
 	const struct common_firmware_header *header;
@@ -106,10 +105,7 @@ int smu_v11_0_init_microcode(struct smu_context *smu)
 		return 0;
 
 	amdgpu_ucode_ip_version_decode(adev, MP1_HWIP, ucode_prefix, sizeof(ucode_prefix));
-
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
-
-	err = amdgpu_ucode_request(adev, &adev->pm.fw, fw_name);
+	err = amdgpu_ucode_request(adev, &adev->pm.fw, "amdgpu/%s.bin", ucode_prefix);
 	if (err)
 		goto out;
 

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c

@@ -92,7 +92,6 @@ const int pmfw_decoded_link_width[7] = {0, 1, 2, 4, 8, 12, 16};
 int smu_v13_0_init_microcode(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
-	char fw_name[30];
 	char ucode_prefix[15];
 	int err = 0;
 	const struct smc_firmware_header_v1_0 *hdr;
@@ -104,10 +103,7 @@ int smu_v13_0_init_microcode(struct smu_context *smu)
 		return 0;
 
 	amdgpu_ucode_ip_version_decode(adev, MP1_HWIP, ucode_prefix, sizeof(ucode_prefix));
-
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
-
-	err = amdgpu_ucode_request(adev, &adev->pm.fw, fw_name);
+	err = amdgpu_ucode_request(adev, &adev->pm.fw, "amdgpu/%s.bin", ucode_prefix);
 	if (err)
 		goto out;
 

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c

@@ -272,7 +272,6 @@ static int smu_v13_0_6_init_microcode(struct smu_context *smu)
 	uint32_t p2s_table_id = P2S_TABLE_ID_A;
 	int ret = 0, i, p2stable_count;
 	char ucode_prefix[15];
-	char fw_name[30];
 
 	/* No need to load P2S tables in IOV mode */
 	if (amdgpu_sriov_vf(adev))
@@ -283,10 +282,7 @@ static int smu_v13_0_6_init_microcode(struct smu_context *smu)
 
 	amdgpu_ucode_ip_version_decode(adev, MP1_HWIP, ucode_prefix,
 				       sizeof(ucode_prefix));
-
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
-
-	ret = amdgpu_ucode_request(adev, &adev->pm.fw, fw_name);
+	ret  = amdgpu_ucode_request(adev, &adev->pm.fw, "amdgpu/%s.bin", ucode_prefix);
 	if (ret)
 		goto out;
 

drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c

@@ -68,7 +68,6 @@ MODULE_FIRMWARE("amdgpu/smu_14_0_3.bin");
 int smu_v14_0_init_microcode(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
-	char fw_name[30];
 	char ucode_prefix[15];
 	int err = 0;
 	const struct smc_firmware_header_v1_0 *hdr;
@@ -80,10 +79,7 @@ int smu_v14_0_init_microcode(struct smu_context *smu)
 		return 0;
 
 	amdgpu_ucode_ip_version_decode(adev, MP1_HWIP, ucode_prefix, sizeof(ucode_prefix));
-
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
-
-	err = amdgpu_ucode_request(adev, &adev->pm.fw, fw_name);
+	err = amdgpu_ucode_request(adev, &adev->pm.fw, "amdgpu/%s.bin", ucode_prefix);
 	if (err)
 		goto out;