drm/amdgpu: simplify the return expression

Simplify the return expression.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -316,14 +316,9 @@ static int cik_ih_sw_fini(void *handle)
 
 static int cik_ih_hw_init(void *handle)
 {
-	int r;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	r = cik_ih_irq_init(adev);
-	if (r)
-		return r;
-
-	return 0;
+	return cik_ih_irq_init(adev);
 }
 
 static int cik_ih_hw_fini(void *handle)

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

@@ -2196,7 +2196,6 @@ static int gfx_v9_0_gpu_early_init(struct amdgpu_device *adev)
 static int gfx_v9_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
 				      int mec, int pipe, int queue)
 {
-	int r;
 	unsigned irq_type;
 	struct amdgpu_ring *ring = &adev->gfx.compute_ring[ring_id];
 	unsigned int hw_prio;
@@ -2221,13 +2220,8 @@ static int gfx_v9_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
 	hw_prio = amdgpu_gfx_is_high_priority_compute_queue(adev, ring->queue) ?
 			AMDGPU_GFX_PIPE_PRIO_HIGH : AMDGPU_GFX_PIPE_PRIO_NORMAL;
 	/* type-2 packets are deprecated on MEC, use type-3 instead */
-	r = amdgpu_ring_init(adev, ring, 1024,
+	return amdgpu_ring_init(adev, ring, 1024,
 				&adev->gfx.eop_irq, irq_type, hw_prio);
-	if (r)
-		return r;
-
-
-	return 0;
 }
 
 static int gfx_v9_0_sw_init(void *handle)