linux-kernel - Re: linux-next: manual merge of the drm tree with the pci tree

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Date:   Tue, 15 Dec 2020 07:39:11 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Dave Airlie <airlied@...ux.ie>,
        DRI <dri-devel@...ts.freedesktop.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Qinglang Miao <miaoqinglang@...wei.com>
Subject: Re: linux-next: manual merge of the drm tree with the pci tree

Hi all,

On Tue, 8 Dec 2020 13:27:54 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> Today's linux-next merge of the drm tree got a conflict in:
> 
>   drivers/gpu/vga/vga_switcheroo.c
> 
> between commit:
> 
>   99efde6c9bb7 ("PCI/PM: Rename pci_wakeup_bus() to pci_resume_bus()")
> 
> from the pci tree and commit:
> 
>   9572e6693cd7 ("vga_switcheroo: simplify the return expression of vga_switcheroo_runtime_resume")
> 
> 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/vga/vga_switcheroo.c
> index 8843b078ad4e,1401fd52f37a..000000000000
> --- a/drivers/gpu/vga/vga_switcheroo.c
> +++ b/drivers/gpu/vga/vga_switcheroo.c
> @@@ -1039,12 -1038,8 +1038,8 @@@ static int vga_switcheroo_runtime_resum
>   	mutex_lock(&vgasr_mutex);
>   	vga_switcheroo_power_switch(pdev, VGA_SWITCHEROO_ON);
>   	mutex_unlock(&vgasr_mutex);
>  -	pci_wakeup_bus(pdev->bus);
>  +	pci_resume_bus(pdev->bus);
> - 	ret = dev->bus->pm->runtime_resume(dev);
> - 	if (ret)
> - 		return ret;
> - 
> - 	return 0;
> + 	return dev->bus->pm->runtime_resume(dev);
>   }
>   
>   /**

This is now a conflict between the pci tree and Linus' tree.

-- 
Cheers,
Stephen Rothwell

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