drm/msm/dpu: cleanup dpu_kms_hw_init error path

It was noticed that dpu_kms_hw_init()'s error path contains several
labels which point to the same code path. Replace all of them with a
single label.
Suggested-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/570035/
Link: https://lore.kernel.org/r/20231201211845.1026967-2-dmitry.baryshkov@linaro.org

drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c

@@ -1063,7 +1063,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 	if (!dpu_kms->catalog) {
 		DPU_ERROR("device config not known!\n");
 		rc = -EINVAL;
-		goto power_error;
+		goto err_pm_put;
 	}
 
 	/*
@@ -1073,26 +1073,26 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 	rc = _dpu_kms_mmu_init(dpu_kms);
 	if (rc) {
 		DPU_ERROR("dpu_kms_mmu_init failed: %d\n", rc);
-		goto power_error;
+		goto err_pm_put;
 	}
 
 	dpu_kms->mdss = msm_mdss_get_mdss_data(dpu_kms->pdev->dev.parent);
 	if (IS_ERR(dpu_kms->mdss)) {
 		rc = PTR_ERR(dpu_kms->mdss);
 		DPU_ERROR("failed to get MDSS data: %d\n", rc);
-		goto power_error;
+		goto err_pm_put;
 	}
 
 	if (!dpu_kms->mdss) {
 		rc = -EINVAL;
 		DPU_ERROR("NULL MDSS data\n");
-		goto power_error;
+		goto err_pm_put;
 	}
 
 	rc = dpu_rm_init(&dpu_kms->rm, dpu_kms->catalog, dpu_kms->mdss, dpu_kms->mmio);
 	if (rc) {
 		DPU_ERROR("rm init failed: %d\n", rc);
-		goto power_error;
+		goto err_pm_put;
 	}
 
 	dpu_kms->rm_init = true;
@@ -1104,7 +1104,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 		rc = PTR_ERR(dpu_kms->hw_mdp);
 		DPU_ERROR("failed to get hw_mdp: %d\n", rc);
 		dpu_kms->hw_mdp = NULL;
-		goto power_error;
+		goto err_pm_put;
 	}
 
 	for (i = 0; i < dpu_kms->catalog->vbif_count; i++) {
@@ -1115,7 +1115,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 		if (IS_ERR(hw)) {
 			rc = PTR_ERR(hw);
 			DPU_ERROR("failed to init vbif %d: %d\n", vbif->id, rc);
-			goto power_error;
+			goto err_pm_put;
 		}
 
 		dpu_kms->hw_vbif[vbif->id] = hw;
@@ -1131,7 +1131,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 	rc = dpu_core_perf_init(&dpu_kms->perf, dpu_kms->catalog->perf, max_core_clk_rate);
 	if (rc) {
 		DPU_ERROR("failed to init perf %d\n", rc);
-		goto perf_err;
+		goto err_pm_put;
 	}
 
 	dpu_kms->hw_intr = dpu_hw_intr_init(dpu_kms->mmio, dpu_kms->catalog);
@@ -1139,7 +1139,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 		rc = PTR_ERR(dpu_kms->hw_intr);
 		DPU_ERROR("hw_intr init failed: %d\n", rc);
 		dpu_kms->hw_intr = NULL;
-		goto hw_intr_init_err;
+		goto err_pm_put;
 	}
 
 	dev->mode_config.min_width = 0;
@@ -1164,7 +1164,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 	rc = _dpu_kms_drm_obj_init(dpu_kms);
 	if (rc) {
 		DPU_ERROR("modeset init failed: %d\n", rc);
-		goto drm_obj_init_err;
+		goto err_pm_put;
 	}
 
 	dpu_vbif_init_memtypes(dpu_kms);
@@ -1173,10 +1173,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 
 	return 0;
 
-drm_obj_init_err:
-hw_intr_init_err:
-perf_err:
-power_error:
+err_pm_put:
 	pm_runtime_put_sync(&dpu_kms->pdev->dev);
 error:
 	_dpu_kms_hw_destroy(dpu_kms);