drm/amdgpu: Discard unnecessary breaks

The 'break' is unnecessary because of previous
'return', discard it.
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -499,10 +499,8 @@ int amdgpu_atombios_encoder_get_encoder_mode(struct drm_encoder *encoder)
 		} else {
 			return ATOM_ENCODER_MODE_DVI;
 		}
-		break;
 	case DRM_MODE_CONNECTOR_LVDS:
 		return ATOM_ENCODER_MODE_LVDS;
-		break;
 	case DRM_MODE_CONNECTOR_DisplayPort:
 		dig_connector = amdgpu_connector->con_priv;
 		if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
@@ -519,20 +517,16 @@ int amdgpu_atombios_encoder_get_encoder_mode(struct drm_encoder *encoder)
 		} else {
 			return ATOM_ENCODER_MODE_DVI;
 		}
-		break;
 	case DRM_MODE_CONNECTOR_eDP:
 		return ATOM_ENCODER_MODE_DP;
 	case DRM_MODE_CONNECTOR_DVIA:
 	case DRM_MODE_CONNECTOR_VGA:
 		return ATOM_ENCODER_MODE_CRT;
-		break;
 	case DRM_MODE_CONNECTOR_Composite:
 	case DRM_MODE_CONNECTOR_SVIDEO:
 	case DRM_MODE_CONNECTOR_9PinDIN:
 		/* fix me */
 		return ATOM_ENCODER_MODE_TV;
-		/*return ATOM_ENCODER_MODE_CV;*/
-		break;
 	}
 }
 

drivers/gpu/drm/amd/amdgpu/dce_v10_0.c

@@ -2202,22 +2202,18 @@ static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
 			return 1;
 		else
 			return 0;
-		break;
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
 		if (dig->linkb)
 			return 3;
 		else
 			return 2;
-		break;
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
 		if (dig->linkb)
 			return 5;
 		else
 			return 4;
-		break;
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
 		return 6;
-		break;
 	default:
 		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
 		return 0;

drivers/gpu/drm/amd/amdgpu/dce_v11_0.c

@@ -2235,22 +2235,18 @@ static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
 			return 1;
 		else
 			return 0;
-		break;
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
 		if (dig->linkb)
 			return 3;
 		else
 			return 2;
-		break;
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
 		if (dig->linkb)
 			return 5;
 		else
 			return 4;
-		break;
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
 		return 6;
-		break;
 	default:
 		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
 		return 0;
@@ -2304,19 +2300,16 @@ static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
 				return ATOM_COMBOPHY_PLL1;
 			else
 				return ATOM_COMBOPHY_PLL0;
-			break;
 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
 			if (dig->linkb)
 				return ATOM_COMBOPHY_PLL3;
 			else
 				return ATOM_COMBOPHY_PLL2;
-			break;
 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
 			if (dig->linkb)
 				return ATOM_COMBOPHY_PLL5;
 			else
 				return ATOM_COMBOPHY_PLL4;
-			break;
 		default:
 			DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
 			return ATOM_PPLL_INVALID;