Subject: Re: linux-next: manual merge of the generic-ioremap tree with the drm-intel tree

From: Stephen Rothwell <[email-masked]>
Date: Tue, 28 Jan 2020 10:09:06 +1100

Hi all,

On Wed, 8 Jan 2020 17:08:03 +1100 Stephen Rothwell <[email-masked]> wrote:
>
> Today's linux-next merge of the generic-ioremap tree got a conflict in:
> 
>   drivers/gpu/drm/i915/i915_gem_gtt.c
> 
> between commit:
> 
>   2c86e55d2ab5 ("drm/i915/gtt: split up i915_gem_gtt")
> 
> from the drm-intel tree and commit:
> 
>   4bdc0d676a64 ("remove ioremap_nocache and devm_ioremap_nocache")
> 
> from the generic-ioremap tree.
> 
> I fixed it up (I used the file from the former and added the following
> merge fix patch) 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.
> 
> From: Stephen Rothwell <[email-masked]>
> Date: Wed, 8 Jan 2020 17:04:59 +1100
> Subject: [PATCH] fix up for "drm/i915/gtt: split up i915_gem_gtt"
> 
> Signed-off-by: Stephen Rothwell <[email-masked]>
> ---
>  drivers/gpu/drm/i915/gt/intel_ggtt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c
> index 99189cdba8a9..1a2b5dcde960 100644
> --- a/drivers/gpu/drm/i915/gt/intel_ggtt.c
> +++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c
> @@ -801,7 +801,7 @@ static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size)
>  	 * readback check when writing GTT PTE entries.
>  	 */
>  	if (IS_GEN9_LP(i915) || INTEL_GEN(i915) >= 10)
> -		ggtt->gsm = ioremap_nocache(phys_addr, size);
> +		ggtt->gsm = ioremap(phys_addr, size);
>  	else
>  		ggtt->gsm = ioremap_wc(phys_addr, size);
>  	if (!ggtt->gsm) {
> -- 
> 2.24.0

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

-- 
Cheers,
Stephen Rothwell