linux-kernel - Re: [PATCH] drm/amdgpu: Added missing prototype

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Date:   Fri, 23 Apr 2021 19:33:55 -0400
From:   Felix Kuehling <felix.kuehling@....com>
To:     Souptick Joarder <jrdr.linux@...il.com>, alexander.deucher@....com,
        christian.koenig@....com, airlied@...ux.ie, daniel@...ll.ch,
        Hawking.Zhang@....com, evan.quan@....com, Dennis.Li@....com,
        luben.tuikov@....com, jonathan.kim@....com
Cc:     dri-devel@...ts.freedesktop.org, amd-gfx@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/amdgpu: Added missing prototype

Am 2021-04-23 um 5:39 p.m. schrieb Souptick Joarder:
> Kernel test robot throws below warning ->
>
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c:125:5: warning:
>>> no previous prototype for 'kgd_arcturus_hqd_sdma_load'
>>> [-Wmissing-prototypes]
>      125 | int kgd_arcturus_hqd_sdma_load(struct kgd_dev *kgd, void
> *mqd,
>
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c:227:6: warning:
>>> no previous prototype for 'kgd_arcturus_hqd_sdma_is_occupied'
>>> [-Wmissing-prototypes]
>      227 | bool kgd_arcturus_hqd_sdma_is_occupied(struct kgd_dev *kgd,
> void *mqd)
>          |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c:246:5: warning:
>>> no previous prototype for 'kgd_arcturus_hqd_sdma_destroy'
>>> [-Wmissing-prototypes]
>      246 | int kgd_arcturus_hqd_sdma_destroy(struct kgd_dev *kgd, void
> *mqd,
>          |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Added prototype for these functions.
The prototypes are already defined in amdgpu_amdkfd_arcturus.h. I think
we just need to add a #include in amdgpu_amdkfd_arcturus.c.

Regards,
  Felix


>
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu.h | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index dc3a692..8fff0e7 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -316,6 +316,11 @@ int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
>  				   enum amd_ip_block_type block_type);
>  bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
>  			      enum amd_ip_block_type block_type);
> +int kgd_arcturus_hqd_sdma_load(struct kgd_dev *kgd, void *mqd,
> +				uint32_t __user *wptr, struct mm_struct *mm);
> +bool kgd_arcturus_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd);
> +int kgd_arcturus_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
> +					unsigned int utimeout);
>  
>  #define AMDGPU_MAX_IP_NUM 16
>