Subject: Re: linux-next: manual merge of the drm tree with the mm-stable tree

From: Stephen Rothwell <[email-masked]>
Date: Thu, 2 Nov 2023 08:36:00 +1100

Hi all,

On Tue, 24 Oct 2023 11:52:06 +1100 Stephen Rothwell <[email-masked]> wrote:
>
> Today's linux-next merge of the drm tree got a conflict in:
> 
>   drivers/gpu/drm/msm/msm_drv.c
> 
> between commit:
> 
>   cd61a76c210a ("drm/msm: dynamically allocate the drm-msm_gem shrinker")
> 
> from the mm-stable tree and commit:
> 
>   506efcba3129 ("drm/msm: carve out KMS code from msm_drv.c")
> 
> from the drm tree.
> 
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
> 
> -- 
> Cheers,
> Stephen Rothwell
> 
> diff --cc drivers/gpu/drm/msm/msm_drv.c
> index 7f20249d6071,443bbc3ed750..000000000000
> --- a/drivers/gpu/drm/msm/msm_drv.c
> +++ b/drivers/gpu/drm/msm/msm_drv.c
> @@@ -457,23 -265,12 +265,14 @@@ static int msm_drm_init(struct device *
>   	if (ret)
>   		goto err_deinit_vram;
>   
> - 	/* the fw fb could be anywhere in memory */
> - 	ret = drm_aperture_remove_framebuffers(drv);
> - 	if (ret)
> - 		goto err_msm_uninit;
> - 
>  -	msm_gem_shrinker_init(ddev);
>  +	ret = msm_gem_shrinker_init(ddev);
>  +	if (ret)
>  +		goto err_msm_uninit;
>   
>   	if (priv->kms_init) {
> - 		ret = priv->kms_init(ddev);
> - 		if (ret) {
> - 			DRM_DEV_ERROR(dev, "failed to load kms\n");
> - 			priv->kms = NULL;
> + 		ret = msm_drm_kms_init(dev, drv);
> + 		if (ret)
>   			goto err_msm_uninit;
> - 		}
> - 		kms = priv->kms;
>   	} else {
>   		/* valid only for the dummy headless case, where of_node=NULL */
>   		WARN_ON(dev->of_node);

This is now a conflict between the mm-stable tree and Linus' tree.

-- 
Cheers,
Stephen Rothwell