drm/amdgpu: various cleanups for uvd/vce.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c

@@ -135,12 +135,9 @@ static int uvd_v4_2_sw_fini(void *handle)
 	if (r)
 		return r;
 
-	r = amdgpu_uvd_sw_fini(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_uvd_sw_fini(adev);
 }
+
 static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev,
 				 bool enable);
 /**
@@ -230,11 +227,7 @@ static int uvd_v4_2_suspend(void *handle)
 	if (r)
 		return r;
 
-	r = amdgpu_uvd_suspend(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_uvd_suspend(adev);
 }
 
 static int uvd_v4_2_resume(void *handle)
@@ -246,11 +239,7 @@ static int uvd_v4_2_resume(void *handle)
 	if (r)
 		return r;
 
-	r = uvd_v4_2_hw_init(adev);
-	if (r)
-		return r;
-
-	return r;
+	return uvd_v4_2_hw_init(adev);
 }
 
 /**

drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c

@@ -131,11 +131,7 @@ static int uvd_v5_0_sw_fini(void *handle)
 	if (r)
 		return r;
 
-	r = amdgpu_uvd_sw_fini(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_uvd_sw_fini(adev);
 }
 
 /**
@@ -228,11 +224,7 @@ static int uvd_v5_0_suspend(void *handle)
 		return r;
 	uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_GATE);
 
-	r = amdgpu_uvd_suspend(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_uvd_suspend(adev);
 }
 
 static int uvd_v5_0_resume(void *handle)
@@ -244,11 +236,7 @@ static int uvd_v5_0_resume(void *handle)
 	if (r)
 		return r;
 
-	r = uvd_v5_0_hw_init(adev);
-	if (r)
-		return r;
-
-	return r;
+	return uvd_v5_0_hw_init(adev);
 }
 
 /**

drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c

@@ -134,11 +134,7 @@ static int uvd_v6_0_sw_fini(void *handle)
 	if (r)
 		return r;
 
-	r = amdgpu_uvd_sw_fini(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_uvd_sw_fini(adev);
 }
 
 /**
@@ -230,11 +226,8 @@ static int uvd_v6_0_suspend(void *handle)
 		return r;
 
 	/* Skip this for APU for now */
-	if (!(adev->flags & AMD_IS_APU)) {
+	if (!(adev->flags & AMD_IS_APU))
 		r = amdgpu_uvd_suspend(adev);
-		if (r)
-			return r;
-	}
 
 	return r;
 }
@@ -250,11 +243,7 @@ static int uvd_v6_0_resume(void *handle)
 		if (r)
 			return r;
 	}
-	r = uvd_v6_0_hw_init(adev);
-	if (r)
-		return r;
-
-	return r;
+	return uvd_v6_0_hw_init(adev);
 }
 
 /**

drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c

@@ -438,11 +438,7 @@ static int uvd_v7_0_sw_fini(void *handle)
 	for (i = 0; i < adev->uvd.num_enc_rings; ++i)
 		amdgpu_ring_fini(&adev->uvd.ring_enc[i]);
 
-	r = amdgpu_uvd_sw_fini(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_uvd_sw_fini(adev);
 }
 
 /**
@@ -547,11 +543,8 @@ static int uvd_v7_0_suspend(void *handle)
 		return r;
 
 	/* Skip this for APU for now */
-	if (!(adev->flags & AMD_IS_APU)) {
+	if (!(adev->flags & AMD_IS_APU))
 		r = amdgpu_uvd_suspend(adev);
-		if (r)
-			return r;
-	}
 
 	return r;
 }
@@ -567,11 +560,7 @@ static int uvd_v7_0_resume(void *handle)
 		if (r)
 			return r;
 	}
-	r = uvd_v7_0_hw_init(adev);
-	if (r)
-		return r;
-
-	return r;
+	return uvd_v7_0_hw_init(adev);
 }
 
 /**

drivers/gpu/drm/amd/amdgpu/vce_v2_0.c

@@ -451,11 +451,7 @@ static int vce_v2_0_sw_fini(void *handle)
 	if (r)
 		return r;
 
-	r = amdgpu_vce_sw_fini(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_vce_sw_fini(adev);
 }
 
 static int vce_v2_0_hw_init(void *handle)
@@ -495,11 +491,7 @@ static int vce_v2_0_suspend(void *handle)
 	if (r)
 		return r;
 
-	r = amdgpu_vce_suspend(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_vce_suspend(adev);
 }
 
 static int vce_v2_0_resume(void *handle)
@@ -511,11 +503,7 @@ static int vce_v2_0_resume(void *handle)
 	if (r)
 		return r;
 
-	r = vce_v2_0_hw_init(adev);
-	if (r)
-		return r;
-
-	return r;
+	return vce_v2_0_hw_init(adev);
 }
 
 static int vce_v2_0_soft_reset(void *handle)

drivers/gpu/drm/amd/amdgpu/vce_v3_0.c

@@ -417,11 +417,7 @@ static int vce_v3_0_sw_fini(void *handle)
 	if (r)
 		return r;
 
-	r = amdgpu_vce_sw_fini(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_vce_sw_fini(adev);
 }
 
 static int vce_v3_0_hw_init(void *handle)
@@ -471,11 +467,7 @@ static int vce_v3_0_suspend(void *handle)
 	if (r)
 		return r;
 
-	r = amdgpu_vce_suspend(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_vce_suspend(adev);
 }
 
 static int vce_v3_0_resume(void *handle)
@@ -487,11 +479,7 @@ static int vce_v3_0_resume(void *handle)
 	if (r)
 		return r;
 
-	r = vce_v3_0_hw_init(adev);
-	if (r)
-		return r;
-
-	return r;
+	return vce_v3_0_hw_init(adev);
 }
 
 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx)

drivers/gpu/drm/amd/amdgpu/vce_v4_0.c

@@ -527,11 +527,7 @@ static int vce_v4_0_sw_fini(void *handle)
 	if (r)
 		return r;
 
-	r = amdgpu_vce_sw_fini(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_vce_sw_fini(adev);
 }
 
 static int vce_v4_0_hw_init(void *handle)
@@ -584,11 +580,7 @@ static int vce_v4_0_suspend(void *handle)
 	if (r)
 		return r;
 
-	r = amdgpu_vce_suspend(adev);
-	if (r)
-		return r;
-
-	return r;
+	return amdgpu_vce_suspend(adev);
 }
 
 static int vce_v4_0_resume(void *handle)
@@ -600,11 +592,7 @@ static int vce_v4_0_resume(void *handle)
 	if (r)
 		return r;
 
-	r = vce_v4_0_hw_init(adev);
-	if (r)
-		return r;
-
-	return r;
+	return vce_v4_0_hw_init(adev);
 }
 
 static void vce_v4_0_mc_resume(struct amdgpu_device *adev)