drm/amd/display: Clean up some inconsistent indenting

No functional modification involved.

smatch warnings:

drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_mpc.c:116 mpc3_get_ogam_current() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_mpc.c:445 mpc3_get_shaper_current() warn: inconsistent indenting.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c

@@ -109,32 +109,32 @@ enum dc_lut_mode mpc3_get_ogam_current(struct mpc *mpc, int mpcc_id)
 	uint32_t state_ram_lut_in_use;
 	struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc);
 
-	REG_GET_2(MPCC_OGAM_CONTROL[mpcc_id],
-			MPCC_OGAM_MODE_CURRENT, &state_mode,
-			MPCC_OGAM_SELECT_CURRENT, &state_ram_lut_in_use);
+	REG_GET_2(MPCC_OGAM_CONTROL[mpcc_id], MPCC_OGAM_MODE_CURRENT, &state_mode,
+		  MPCC_OGAM_SELECT_CURRENT, &state_ram_lut_in_use);
 
-		switch (state_mode) {
+	switch (state_mode) {
+	case 0:
+		mode = LUT_BYPASS;
+		break;
+	case 2:
+		switch (state_ram_lut_in_use) {
 		case 0:
-			mode = LUT_BYPASS;
+			mode = LUT_RAM_A;
 			break;
-		case 2:
-			switch (state_ram_lut_in_use) {
-			case 0:
-				mode = LUT_RAM_A;
-				break;
-			case 1:
-				mode = LUT_RAM_B;
-				break;
-			default:
-				mode = LUT_BYPASS;
-				break;
-			}
+		case 1:
+			mode = LUT_RAM_B;
 			break;
 		default:
 			mode = LUT_BYPASS;
 			break;
 		}
-		return mode;
+		break;
+	default:
+		mode = LUT_BYPASS;
+		break;
+	}
+
+	return mode;
 }
 
 void mpc3_power_on_ogam_lut(
@@ -439,24 +439,24 @@ static enum dc_lut_mode mpc3_get_shaper_current(struct mpc *mpc, uint32_t rmu_id
 	uint32_t state_mode;
 	struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc);
 
-	REG_GET(SHAPER_CONTROL[rmu_idx],
-			MPC_RMU_SHAPER_LUT_MODE_CURRENT, &state_mode);
+	REG_GET(SHAPER_CONTROL[rmu_idx], MPC_RMU_SHAPER_LUT_MODE_CURRENT, &state_mode);
 
-		switch (state_mode) {
-		case 0:
-			mode = LUT_BYPASS;
-			break;
-		case 1:
-			mode = LUT_RAM_A;
-			break;
-		case 2:
-			mode = LUT_RAM_B;
-			break;
-		default:
-			mode = LUT_BYPASS;
-			break;
-		}
-		return mode;
+	switch (state_mode) {
+	case 0:
+		mode = LUT_BYPASS;
+		break;
+	case 1:
+		mode = LUT_RAM_A;
+		break;
+	case 2:
+		mode = LUT_RAM_B;
+		break;
+	default:
+		mode = LUT_BYPASS;
+		break;
+	}
+
+	return mode;
 }
 
 static void mpc3_configure_shaper_lut(