drm/amd/amdgpu: Tidy up static int dce_v6_0_get_num_crtc()

Signed-off-by: NTom St Denis <tom.stdenis@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/dce_v6_0.c

@@ -514,21 +514,16 @@ static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
 
 static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
 {
-	int num_crtc = 0;
-
 	switch (adev->asic_type) {
 	case CHIP_TAHITI:
 	case CHIP_PITCAIRN:
 	case CHIP_VERDE:
-		num_crtc = 6;
-		break;
+		return 6;
 	case CHIP_OLAND:
-		num_crtc = 2;
-		break;
+		return 2;
 	default:
-		num_crtc = 0;
+		return 0;
 	}
-	return num_crtc;
 }
 
 void dce_v6_0_disable_dce(struct amdgpu_device *adev)