Re: Patch "drm/drm-bridge: Drop conditionals around of_node pointers" has been added to the 6.6-stable t

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On Thu, Sep 05, 2024 at 06:21:00AM +0200, Pascal Ernster wrote:
> [2024-09-04 19:50] Sasha Levin:
> > This is a note to let you know that I've just added the patch titled
> > 
> >      drm/drm-bridge: Drop conditionals around of_node pointers
> > 
> > to the 6.6-stable tree which can be found at:
> >      http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> > 
> > The filename of the patch is:
> >       drm-drm-bridge-drop-conditionals-around-of_node-poin.patch
> > and it can be found in the queue-6.6 subdirectory.
> > 
> > If you, or anyone else, feels it should not be added to the stable tree,
> > please let <stable@xxxxxxxxxxxxxxx> know about it.
> > 
> > 
> > 
> > commit 74f5f42c35daf9aedbc96283321c30fc591c634f
> > Author: Sui Jingfeng <sui.jingfeng@xxxxxxxxx>
> > Date:   Wed May 8 02:00:00 2024 +0800
> > 
> >      drm/drm-bridge: Drop conditionals around of_node pointers
> >      [ Upstream commit ad3323a6ccb7d43bbeeaa46d5311c43d5d361fc7 ]
> >      Having conditional around the of_node pointer of the drm_bridge structure
> >      is not necessary, since drm_bridge structure always has the of_node as its
> >      member.
> >      Let's drop the conditional to get a better looks, please also note that
> >      this is following the already accepted commitments. see commit d8dfccde2709
> >      ("drm/bridge: Drop conditionals around of_node pointers") for reference.
> >      Signed-off-by: Sui Jingfeng <sui.jingfeng@xxxxxxxxx>
> >      Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> >      Signed-off-by: Robert Foss <rfoss@xxxxxxxxxx>
> >      Link: https://patchwork.freedesktop.org/patch/msgid/20240507180001.1358816-1-sui.jingfeng@xxxxxxxxx
> >      Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> > 
> > diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
> > index 62d8a291c49c..70b05582e616 100644
> > --- a/drivers/gpu/drm/drm_bridge.c
> > +++ b/drivers/gpu/drm/drm_bridge.c
> > @@ -353,13 +353,8 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
> >   	bridge->encoder = NULL;
> >   	list_del(&bridge->chain_node);
> > -#ifdef CONFIG_OF
> >   	DRM_ERROR("failed to attach bridge %pOF to encoder %s: %d\n",
> >   		  bridge->of_node, encoder->name, ret);
> > -#else
> > -	DRM_ERROR("failed to attach bridge to encoder %s: %d\n",
> > -		  encoder->name, ret);
> > -#endif
> >   	return ret;
> >   }
> 
> 
> Hi Sasha,
> 
> 
> this breaks the x86_64 build for me.
> 
> AFAICT this patch cannot work without commit
> d8dfccde2709de4327c3d62b50e5dc012f08836f "drm/bridge: Drop conditionals
> around of_node pointers", but that commit is only present in Linux >= 6.7.
> 
> This issue affects the 6.6, 6.1 and 5.15 branches.

Now dropped, thanks!

greg k-h




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