Re: [PATCH v2] drm/v3d: Fix PM disable depth imbalance in v3d_platform_drm_probe

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Hi Melissa,

On Sun, Jan 09, 2022 at 04:48:17PM -0100, Melissa Wen wrote:
> On 01/06, Miaoqian Lin wrote:
> > The pm_runtime_enable will increase power disable depth.
> > If the probe fails, we should use pm_runtime_disable() to balance
> > pm_runtime_enable().
> > 
> >  	if (ret)
> > -		goto dma_free;
> > +		goto pm_disable;
> >  
> >  	ret = v3d_irq_init(v3d);
> >  	if (ret)
> > @@ -298,7 +298,8 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
> >  	v3d_irq_disable(v3d);
> >  gem_destroy:
> >  	v3d_gem_destroy(drm);
> > -dma_free:
> > +pm_disable:
> > +	pm_runtime_disable(dev);
> 
> Hi,
> 
> I see this pm_runtime_disable balancing is also missing for
> v3d_platform_drm_remove(), right?
> 
I think, yes. 

> >  	dma_free_wc(dev, 4096, v3d->mmu_scratch, v3d->mmu_scratch_paddr);
> >  	return ret;
> >  }
> > -- 
> > 2.17.1
> > 





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