drm/amd: Use `amdgpu_ucode_*` helpers for MES

The `amdgpu_ucode_request` helper will ensure that the return code for
missing firmware is -ENODEV so that early_init can fail.

The `amdgpu_ucode_release` helper provides symmetry for releasing firmware.
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_mes.c

@@ -1438,11 +1438,7 @@ int amdgpu_mes_init_microcode(struct amdgpu_device *adev, int pipe)
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mes%s.bin",
 		ucode_prefix,
 		pipe == AMDGPU_MES_SCHED_PIPE ? "" : "1");
-	r = request_firmware(&adev->mes.fw[pipe], fw_name, adev->dev);
-	if (r)
-		goto out;
-
-	r = amdgpu_ucode_validate(adev->mes.fw[pipe]);
+	r = amdgpu_ucode_request(adev, &adev->mes.fw[pipe], fw_name);
 	if (r)
 		goto out;
 
@@ -1482,9 +1478,7 @@ int amdgpu_mes_init_microcode(struct amdgpu_device *adev, int pipe)
 	}
 
 	return 0;
-
 out:
-	release_firmware(adev->mes.fw[pipe]);
-	adev->mes.fw[pipe] = NULL;
+	amdgpu_ucode_release(&adev->mes.fw[pipe]);
 	return r;
 }

drivers/gpu/drm/amd/amdgpu/mes_v10_1.c

@@ -379,13 +379,6 @@ static const struct amdgpu_mes_funcs mes_v10_1_funcs = {
 	.resume_gang = mes_v10_1_resume_gang,
 };
 
-static void mes_v10_1_free_microcode(struct amdgpu_device *adev,
-				     enum admgpu_mes_pipe pipe)
-{
-	release_firmware(adev->mes.fw[pipe]);
-	adev->mes.fw[pipe] = NULL;
-}
-
 static int mes_v10_1_allocate_ucode_buffer(struct amdgpu_device *adev,
 					   enum admgpu_mes_pipe pipe)
 {
@@ -979,8 +972,7 @@ static int mes_v10_1_sw_fini(void *handle)
 		amdgpu_bo_free_kernel(&adev->mes.eop_gpu_obj[pipe],
 				      &adev->mes.eop_gpu_addr[pipe],
 				      NULL);
-
-		mes_v10_1_free_microcode(adev, pipe);
+		amdgpu_ucode_release(&adev->mes.fw[pipe]);
 	}
 
 	amdgpu_bo_free_kernel(&adev->gfx.kiq.ring.mqd_obj,

drivers/gpu/drm/amd/amdgpu/mes_v11_0.c

@@ -459,13 +459,6 @@ static const struct amdgpu_mes_funcs mes_v11_0_funcs = {
 	.misc_op = mes_v11_0_misc_op,
 };
 
-static void mes_v11_0_free_microcode(struct amdgpu_device *adev,
-				     enum admgpu_mes_pipe pipe)
-{
-	release_firmware(adev->mes.fw[pipe]);
-	adev->mes.fw[pipe] = NULL;
-}
-
 static int mes_v11_0_allocate_ucode_buffer(struct amdgpu_device *adev,
 					   enum admgpu_mes_pipe pipe)
 {
@@ -1073,8 +1066,7 @@ static int mes_v11_0_sw_fini(void *handle)
 		amdgpu_bo_free_kernel(&adev->mes.eop_gpu_obj[pipe],
 				      &adev->mes.eop_gpu_addr[pipe],
 				      NULL);
-
-		mes_v11_0_free_microcode(adev, pipe);
+		amdgpu_ucode_release(&adev->mes.fw[pipe]);
 	}
 
 	amdgpu_bo_free_kernel(&adev->gfx.kiq.ring.mqd_obj,