diff mbox series

[v2,01/13] drm/msm/dpu: cleanup dpu_kms_hw_init error path

Message ID 20230707231251.3849701-2-dmitry.baryshkov@linaro.org
State Superseded
Headers show
Series drm/msm/dpu: use managed memory allocations | expand

Commit Message

Dmitry Baryshkov July 7, 2023, 11:12 p.m. UTC
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>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

Comments

Jessica Zhang July 14, 2023, 9:43 p.m. UTC | #1
On 7/7/2023 4:12 PM, 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@linaro.org>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---
>   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:

Hey Dmitry,

The change itself LGTM -- however, it seems that there's a dependency on 
the core perf cleanup series that wasn't listed in the cover letter.

Thanks,

Jessica Zhang

> -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);
> -- 
> 2.39.2
>
Dmitry Baryshkov July 30, 2023, 1:15 a.m. UTC | #2
On 15/07/2023 00:43, Jessica Zhang wrote:
> 
> 
> On 7/7/2023 4:12 PM, 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@linaro.org>
>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
>> ---
>>   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:
> 
> Hey Dmitry,
> 
> The change itself LGTM -- however, it seems that there's a dependency on 
> the core perf cleanup series that wasn't listed in the cover letter.

Yes. And unfortunately a dependency on
https://patchwork.freedesktop.org/series/105392/

> 
> Thanks,
> 
> Jessica Zhang
> 
>> -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);
>> -- 
>> 2.39.2
>>
diff mbox series

Patch

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);