[PATCH] drm/amdgpu/display: return proper error codes in dm

[Huang Rui]

On Thu, Sep 13, 2018 at 11:29:28AM -0500, Alex Deucher wrote:
> Replace -1 with proper error codes.
> 
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Acked-by: Huang Rui <ray.huang at amd.com>

> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index eccae63d3ef1..541f33749961 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -493,7 +493,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
>  error:
>  	amdgpu_dm_fini(adev);
>  
> -	return -1;
> +	return -EINVAL;
>  }
>  
>  static void amdgpu_dm_fini(struct amdgpu_device *adev)
> @@ -548,7 +548,7 @@ static int load_dmcu_fw(struct amdgpu_device *adev)
>  		break;
>  	default:
>  		DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type);
> -		return -1;
> +		return -EINVAL;
>  	}
>  
>  	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
> @@ -1537,7 +1537,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
>  	link_cnt = dm->dc->caps.max_links;
>  	if (amdgpu_dm_mode_config_init(dm->adev)) {
>  		DRM_ERROR("DM: Failed to initialize mode config\n");
> -		return -1;
> +		return -EINVAL;
>  	}
>  
>  	/* Identify the number of planes to be initialized */
> @@ -1652,7 +1652,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
>  	kfree(aconnector);
>  	for (i = 0; i < dm->dc->caps.max_planes; i++)
>  		kfree(mode_info->planes[i]);
> -	return -1;
> +	return -EINVAL;
>  }
>  
>  static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm)
> -- 
> 2.13.6
> 
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