linux-kernel - Re: [PATCH] drm/amdkfd: mark som eclear_address

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Date:   Mon, 5 Jun 2023 12:41:36 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Felix Kuehling <Felix.Kuehling@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Jonathan Kim <jonathan.kim@....com>,
        Mukul Joshi <mukul.joshi@....com>,
        Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
        amd-gfx@...ts.freedesktop.org, Le Ma <le.ma@....com>,
        Ramesh Errabolu <Ramesh.Errabolu@....com>,
        dri-devel@...ts.freedesktop.org, Yifan Zha <Yifan.Zha@....com>,
        Hawking Zhang <Hawking.Zhang@....com>
Subject: Re: [PATCH] drm/amdkfd: mark som eclear_address_watch() callback static

On Mon, Jun 5, 2023 at 6:58 AM Arnd Bergmann <arnd@...nel.org> wrote:
>
> From: Arnd Bergmann <arnd@...db.de>
>
> Some of the newly introduced clear_address_watch callback handlers have
> no prototype because they are only used in one file, which causes a W=1
> warning:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c:164:10: error: no previous prototype for 'kgd_gfx_aldebaran_clear_address_watch' [-Werror=missing-prototypes]
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v11.c:782:10: error: no previous prototype for 'kgd_gfx_v11_clear_address_watch' [-Werror=missing-prototypes]
>
> Mark these ones static. If another user comes up in the future, that
> can be reverted along with adding the prototype.
>
> Fixes: cfd9715f741a1 ("drm/amdkfd: add debug set and clear address watch points operation")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Thanks.  Srinivasan already sent out a fix for this.

Alex


> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c | 2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v11.c   | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c
> index efd6a72aab4eb..bdda8744398fe 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c
> @@ -161,7 +161,7 @@ static uint32_t kgd_gfx_aldebaran_set_address_watch(
>         return watch_address_cntl;
>  }
>
> -uint32_t kgd_gfx_aldebaran_clear_address_watch(struct amdgpu_device *adev,
> +static uint32_t kgd_gfx_aldebaran_clear_address_watch(struct amdgpu_device *adev,
>                                         uint32_t watch_id)
>  {
>         return 0;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v11.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v11.c
> index 52efa690a3c21..131859ce3e7e9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v11.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v11.c
> @@ -779,7 +779,7 @@ static uint32_t kgd_gfx_v11_set_address_watch(struct amdgpu_device *adev,
>         return watch_address_cntl;
>  }
>
> -uint32_t kgd_gfx_v11_clear_address_watch(struct amdgpu_device *adev,
> +static uint32_t kgd_gfx_v11_clear_address_watch(struct amdgpu_device *adev,
>                                         uint32_t watch_id)
>  {
>         return 0;
> --
> 2.39.2
>