Re: linux-next: build failure after merge of the drm tree

[Oded Gabbay]

On Wed, May 16, 2018 at 9:53 AM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> Hi all,
>
> After merging the drm tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c: In function 'init_user_pages':
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c:632:3: error: implicit declaration of function 'release_pages'; did you mean 'release_task'? [-Werror=implicit-function-declaration]
>    release_pages(mem->user_pages, bo->tbo.ttm->num_pages);
>    ^~~~~~~~~~~~~
>    release_task
>
> Caused by commit
>
>   5ae0283e831a ("drm/amdgpu: Add userptr support for KFD")
>
> I have applied the following patch for today:
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Wed, 16 May 2018 16:43:34 +1000
> Subject: [PATCH] drm/amdgpu: include pagemap.h for release_pages()
>
> Fixes: 5ae0283e831a ("drm/amdgpu: Add userptr support for KFD"
> Cc: Felix Kuehling <Felix.Kuehling@xxxxxxx>
> Cc: Oded Gabbay <oded.gabbay@xxxxxxxxx>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> index 72ab2b1ffe75..ff8fd75f7ca5 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> @@ -23,6 +23,7 @@
>  #define pr_fmt(fmt) "kfd2kgd: " fmt
>
>  #include <linux/list.h>
> +#include <linux/pagemap.h>
>  #include <linux/sched/mm.h>
>  #include <drm/drmP.h>
>  #include "amdgpu_object.h"
> --
> 2.17.0
>
> --
> Cheers,
> Stephen Rothwell

Thanks Stephen,

I'll add it to amdkfd-next and send it to Dave with other fixes.

Oded