Re: [PATCH 01/13] drm/msm/dpu: cleanup dpu_kms_hw_init error path

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On 08/07/2023 02:25, Konrad Dybcio wrote:
On 7.07.2023 22:37, Dmitry Baryshkov wrote:
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@xxxxxxxxxx>
it's the first time I'm seeing this code


It is Suggested-by, not something else. And you pointed it out in https://lore.kernel.org/linux-arm-msm/6d598438-f10f-8678-7878-829b8b3ae790@xxxxxxxxxx/

Konrad
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 21 +++++++++------------
  1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index c11b3ab572ab..e7ac02e92f42 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1037,7 +1037,7 @@ 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;
  	}
/*
@@ -1047,13 +1047,13 @@ 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;
  	}
rc = dpu_rm_init(&dpu_kms->rm, dpu_kms->catalog, 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;
@@ -1065,7 +1065,7 @@ 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++) {
@@ -1076,7 +1076,7 @@ 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;
@@ -1092,7 +1092,7 @@ 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);
@@ -1100,7 +1100,7 @@ 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;
@@ -1125,7 +1125,7 @@ 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);
@@ -1134,10 +1134,7 @@ 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);

--
With best wishes
Dmitry




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