linux-kernel - Re: [PATCH 12/15] drm/i915: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL

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Date:   Sat, 18 Sep 2021 00:57:31 +0200
From:   Fernando Ramos <greenfoo@....eu>
To:     Sean Paul <sean@...rly.run>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-renesas-soc@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH 12/15] drm/i915: cleanup: drm_modeset_lock_all() -->
 DRM_MODESET_LOCK_ALL_BEGIN()

> >  	int i;
> > +	int ret;
> 
> Please move up with i

Done!


> > +	DRM_MODESET_LOCK_ALL_END((&dev_priv->drm), ctx, ret);
> >  
> >  	return 0;
> 
> Return ret here

Done!


> > +	struct drm_modeset_acquire_ctx ctx;
> >  	int i;
> > +	int ret;
> 
> Please move up with i

Done!


> > -	drm_modeset_unlock_all(dev);
> > +	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
> >  
> >  	return 0;
> 
> Return ret

Done!


> > -	drm_modeset_unlock_all(dev);
> > +	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
> >  
> >  	return 0;
> 
> Return ret

Done!


> > -	drm_modeset_unlock_all(dev);
> > +	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
> >  
> 
> Check ret here and return an error if it's != 0

Done!


> > @@ -1194,14 +1195,11 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
> >  	if (ret != 0)
> >  		goto out_unlock;
> >  
> > -	drm_modeset_unlock_all(dev);
> > -	i915_gem_object_put(new_bo);
> > -
> > -	return 0;
> > -
> >  out_unlock:
> > -	drm_modeset_unlock_all(dev);
> > -	i915_gem_object_put(new_bo);
> > +	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
> > +
> > +	if (params->flags & I915_OVERLAY_ENABLE)
> > +		i915_gem_object_put(new_bo);
> 
> This function refactor is a bit more involved than the
> s/drm_modeset_lock_all/DRM_MODESET_LOCK_ALL_*/ changes in the rest of the patch.
> Could you split it out into a separate patch so it's not hidden away?

Sure, no problem.