[Intel-gfx] linux-next: build failure after merge of the drm-misc tree

[Stephen Rothwell]

Hi all,

On Wed, 17 Jun 2020 10:59:29 +1000 Stephen Rothwell <sfr at canb.auug.org.au> wrote:
>
> After merging the drm-misc tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c: In function 'amdgpu_amdkfd_gpuvm_free_memory_of_gpu':
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c:1357:2: error: implicit declaration of function 'drm_gem_object_put_unlocked'; did you mean 'drm_gem_object_put_locked'? [-Werror=implicit-function-declaration]
>  1357 |  drm_gem_object_put_unlocked(&mem->bo->tbo.base);
>       |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>       |  drm_gem_object_put_locked
> 
> Caused by commit
> 
>   ab15d56e27be ("drm: remove transient drm_gem_object_put_unlocked()")
> 
> interacting with commit
> 
>   fd9a9f8801de ("drm/amdgpu: Use GEM obj reference for KFD BOs")
> 
> from Linus' tree.
> 
> I have applied the following merge fix up patch for today.
> 
> From: Stephen Rothwell <sfr at canb.auug.org.au>
> Date: Wed, 17 Jun 2020 10:55:32 +1000
> Subject: [PATCH] drm/amdgpu: remove stray drm_gem_object_put_unlocked
> 
> Signed-off-by: Stephen Rothwell <sfr at canb.auug.org.au>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> index b91b5171270f..9015c7b76d60 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> @@ -1354,7 +1354,7 @@ int amdgpu_amdkfd_gpuvm_free_memory_of_gpu(
>  	}
>  
>  	/* Free the BO*/
> -	drm_gem_object_put_unlocked(&mem->bo->tbo.base);
> +	drm_gem_object_put(&mem->bo->tbo.base);
>  	mutex_destroy(&mem->lock);
>  	kfree(mem);
>  
> -- 
> 2.26.2

This fix is now needed when I merge the drm tree :-(

Given that the drm tree is based on v5.8-rc2 and the commit from Linus'
tree above was merged before v5.8-rc1, the above patch should be
applied to the drm tree (and should have been part of the patch that
merged the drm-misc tree).  I am a bit suprised that the drm tree
currently passes CI.

Sorry, Dave, for not cc'ing you in the original report.

-- 
Cheers,
Stephen Rothwell
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